AlexaWhoisServer InformationDesktop SpeedMobile SpeedMobile UsabilityHTML ErrorsPingTraceroute

SUDOKU.NAME Sudoku - Play, Print & Share Free Sudoku Online puzzles

sudoku.name Website Information

Daily Unique Visits: 736

Daily Page Views: 1,472

Income Per Day: $5

Estimated Value: $1,200

This website is located in United States and is using following IP address 162.241.143.174. See the complete list of popular websites hosted in United States.

sudoku.name is registered under .NAME top-level domain. Please check other sites in .NAME zone.

Website sudoku.name is using the following name servers:

  • ns10.dnsmadeeasy.com
  • ns1.sudoku.name
  • ns2.sudoku.name
  • ns13.dnsmadeeasy.com
  • ns11.dnsmadeeasy.com
  • ns14.dnsmadeeasy.com
  • ns15.dnsmadeeasy.com
  • ns12.dnsmadeeasy.com

and is probably hosted by NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC, US. See the full list of other websites hosted by NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC, US.

The highest website sudoku.name position in Alexa rank database was 758151 and the lowest rank position was 999391. Current position of sudoku.name in Alexa rank database is 973761.

Desktop speed score of sudoku.name (77/100) is better than the results of 63.93% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of sudoku.name (98/100) is better than the results of 55.61% of other sites and means that the page is mobile-friendly.

Mobile speed score of sudoku.name (65/100) is better than the results of 66.06% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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sudoku.name Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

sudoku.name whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

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completeness and accuracy of the Whois data, but cannot guarantee
that the results are error-free. Therefore, any data provided
through the Whois service are on an as is basis without any
warranties.
BY USING THE WHOIS SERVICE AND THE DATA CONTAINED
HEREIN OR IN ANY REPORT GENERATED WITH RESPECT THERETO, IT IS
ACCEPTED THAT VERISIGN, INC. IS NOT LIABLE FOR
ANY DAMAGES OF ANY KIND ARISING OUT OF, OR IN CONNECTION WITH, THE
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documented by VeriSign, Inc. but will not be used for any commercial purpose whatsoever.

****

Registry Domain ID: 134481040_DOMAIN_NAME-VRSN
Domain Name: SUDOKU.NAME
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited

>>> Last update of whois database: 2024-09-20T20:23:28Z

sudoku.name server information

Servers Location

sudoku.name desktop page speed rank

Last tested: 2016-11-16

Desktop Speed Medium
77/100

sudoku.name Desktop Speed Test Quick Summary


priority - 15Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 144.7KiB (85% reduction).

Compressing http://www.sudoku.name/ could save 97.6KiB (83% reduction).
Compressing http://www.sudoku.name/ajax_user_upload_sudoku.php could save 47.1KiB (91% reduction).

priority - 4Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 40.1KiB (71% reduction).

Compressing http://www.sudoku.name/pictures/eye.png could save 23.8KiB (94% reduction).
Compressing http://www.sudoku.name/pictures/csg-5199103f5ba93.png could save 4.9KiB (48% reduction).
Compressing http://www.sudoku.name/pictures/sudoku-logo.png could save 4.3KiB (39% reduction).
Compressing http://www.sudoku.name/pictures/question.png could save 2.7KiB (90% reduction).
Compressing http://www.sudoku.name/pictures/erase.png could save 1.1KiB (66% reduction).
Compressing http://www.sudoku.name/pictures/daily-sudoku.png could save 999B (74% reduction).
Compressing http://www.sudoku.name/pictures/transparent.gif could save 998B (91% reduction).
Compressing http://www.sudoku.name/pictures/more.png could save 893B (75% reduction).
Compressing http://www.sudoku.name/pictures/android_64_black.png could save 627B (41% reduction).

priority - 4Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

117.4KiB of the HTML response was required to render the above-the-fold content. This requires 4 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 2 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.

Only about 20% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

priority - 3Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://connect.facebook.net/en_US/sdk.js (20 minutes)
https://apis.google.com/js/platform.js (30 minutes)
https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)
http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 3Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 29KiB (18% reduction).

Minifying http://www.sudoku.name/ could save 21.4KiB (19% reduction).
Minifying http://www.sudoku.name/ajax_user_upload_sudoku.php could save 7.6KiB (15% reduction).

sudoku.name Desktop Resource Breakdown

Total Resources66
Number of Hosts16
Static Resources46
JavaScript Resources20
CSS Resources1

sudoku.name mobile page speed rank

Last tested: 2018-05-01

Mobile Speed Medium
65/100

sudoku.name Mobile Speed Test Quick Summary


priority - 12Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 115.1KiB (84% reduction).

Compressing http://www.sudoku.name/mobile.php?ln=en could save 114.6KiB (84% reduction).
Compressing http://www.sudoku.name/sudoku.css could save 509B (56% reduction).

priority - 10Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://sudoku.name/
http://www.sudoku.name/
http://www.sudoku.name/mobile.php?ln=en

priority - 8Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 78.9KiB (87% reduction).

Compressing http://www.sudoku.name/pictures/light_bulb_on1.png could save 19.3KiB (94% reduction).
Compressing http://www.sudoku.name/pictures/google_android1.png could save 19.2KiB (95% reduction).
Compressing http://www.sudoku.name/pictures/button_back.png could save 18.8KiB (93% reduction).
Compressing http://www.sudoku.name/pictures/coin.png could save 18.5KiB (84% reduction).
Compressing http://www.sudoku.name/pictures/mobile-login1.png could save 1KiB (53% reduction).
Compressing http://www.sudoku.name/pictures/facebook-40.png could save 892B (50% reduction).
Compressing http://www.sudoku.name/pictures/mobile-scoreboard1.png could save 846B (59% reduction).
Compressing http://www.sudoku.name/pictures/vault.png could save 181B (11% reduction).
Compressing http://www.sudoku.name/pictures/login1.png could save 146B (23% reduction).

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

http://www.sudoku.name/sudoku.css

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

99.8KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 2 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.

Only about 5% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
Click to see the screenshot with 2 round trips:

priority - 5Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 51KiB (38% reduction).

Minifying http://www.sudoku.name/mobile.php?ln=en could save 51KiB (38% reduction).

priority - 4Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://www.sudoku.name/sudoku.css (expiration not specified)
https://connect.facebook.net/en_US/sdk.js (20 minutes)
https://apis.google.com/js/platform.js (30 minutes)
https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)
http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

sudoku.name Mobile Resource Breakdown

Total Resources52
Number of Hosts15
Static Resources35
JavaScript Resources20
CSS Resources2

sudoku.name mobile page usability

Last tested: 2018-05-01

Mobile Usability Good
98/100

sudoku.name Mobile Usability Test Quick Summary


priority - 1Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <div id="abgc" class="abgc">AdChoices</div> is close to 1 other tap targets.

The tap target <a id="star1" href="javascript:rate(1);"></a> and 2 others are close to other tap targets.

sudoku.name HTML validation

Errors

Quirky doctype. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 63
"...<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html..."

Attribute “leftmargin” not allowed on element “body” at this point.

Line: 1271 Column: 8 - 135
"...t> </head><body leftmargin="0" topmargin="0" style=" font-family:Verdana, Geneva, sans-serif; font-size:12px" onLoad="initialize_page();"> <d..."

Attribute “topmargin” not allowed on element “body” at this point.

Line: 1271 Column: 8 - 135
"...t> </head><body leftmargin="0" topmargin="0" style=" font-family:Verdana, Geneva, sans-serif; font-size:12px" onLoad="initialize_page();"> <d..."

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Line: 1327 Column: 1 - 63
"...script> <table width="100%" border="0" cellspacing="0" cellpadding="2"><tr><t..." Line: 1327 Column: 87 - 214
"...="center"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="font-family:Verdana, Geneva, sans-serif; font-size:14px;"><tr><t..." Line: 1392 Column: 35 - 120
"...ign="top"><table width="1%" border="0" align="center" cellpadding="0" cellspacing="0" dir="ltr"> <..." Line: 1395 Column: 3 - 63
"...30px;"> <table width="1%" border="0" cellspacing="0" cellpadding="0"><tr><t..." Line: 1500 Column: 89 - 159
"...action=""><table width="1" height="1" border="0" cellpadding="0" cellspacing="0"> ..." Line: 1504 Column: 13 - 109
"... <table width="10%" border="0" cellspacing="0" cellpadding="0" id="timer_div" style="float:left;"><tr><t..." Line: 1507 Column: 4039 - 4101
"...lspan="3"><table width="100%" border="0" cellpadding="2" cellspacing="0"><tr><t..." Line: 1509 Column: 13 - 85
"... <table width="328" border="0" cellspacing="0" cellpadding="0" bgcolor=""><tr><t..." Line: 1671 Column: 3 - 147
"... <table width="100%" border="0" id="table_share" style="display:none; padding-bottom:13px; border-bottom:1px solid #D4D4D4; margin-bottom:13px; "> <tb..." Line: 1723 Column: 7 - 69
"...td> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tb..." Line: 1773 Column: 28 - 88
"...ign="top"><table width="1%" border="0" cellspacing="0" cellpadding="0"><tr><t..." Line: 1773 Column: 110 - 215
"...ign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="margin-right:15px; font-size:11px;"> ..." Line: 1777 Column: 350 - 531
"...</table><table width="1%" cellpadding="0" cellspacing="0" dir="ltr" style=" font-size:12px;margin-top:5px; border:#C8C8C8 solid 1px; padding:1px; background-color:#E1E1E1; text-align:left"><tr><td ..."

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

Line: 1327 Column: 1 - 63
"...script> <table width="100%" border="0" cellspacing="0" cellpadding="2"><tr><t..." Line: 1327 Column: 87 - 214
"...="center"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="font-family:Verdana, Geneva, sans-serif; font-size:14px;"><tr><t..." Line: 1392 Column: 35 - 120
"...ign="top"><table width="1%" border="0" align="center" cellpadding="0" cellspacing="0" dir="ltr"> <..." Line: 1395 Column: 3 - 63
"...30px;"> <table width="1%" border="0" cellspacing="0" cellpadding="0"><tr><t..." Line: 1500 Column: 89 - 159
"...action=""><table width="1" height="1" border="0" cellpadding="0" cellspacing="0"> ..." Line: 1504 Column: 13 - 109
"... <table width="10%" border="0" cellspacing="0" cellpadding="0" id="timer_div" style="float:left;"><tr><t..." Line: 1507 Column: 214 - 357
"... value=""><table cellspacing="0" cellpadding="0" id="mouse_board_div" style=" display:none; position:absolute; width:100px; z-index:10; font-size:20px; "><tr id..." Line: 1507 Column: 4039 - 4101
"...lspan="3"><table width="100%" border="0" cellpadding="2" cellspacing="0"><tr><t..." Line: 1509 Column: 13 - 85
"... <table width="328" border="0" cellspacing="0" cellpadding="0" bgcolor=""><tr><t..." Line: 1723 Column: 7 - 69
"...td> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tb..." Line: 1773 Column: 28 - 88
"...ign="top"><table width="1%" border="0" cellspacing="0" cellpadding="0"><tr><t..." Line: 1773 Column: 110 - 215
"...ign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="margin-right:15px; font-size:11px;"> ..." Line: 1777 Column: 350 - 531
"...</table><table width="1%" cellpadding="0" cellspacing="0" dir="ltr" style=" font-size:12px;margin-top:5px; border:#C8C8C8 solid 1px; padding:1px; background-color:#E1E1E1; text-align:left"><tr><td ..."

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

Line: 1327 Column: 1 - 63
"...script> <table width="100%" border="0" cellspacing="0" cellpadding="2"><tr><t..." Line: 1327 Column: 87 - 214
"...="center"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="font-family:Verdana, Geneva, sans-serif; font-size:14px;"><tr><t..." Line: 1392 Column: 35 - 120
"...ign="top"><table width="1%" border="0" align="center" cellpadding="0" cellspacing="0" dir="ltr"> <..." Line: 1395 Column: 3 - 63
"...30px;"> <table width="1%" border="0" cellspacing="0" cellpadding="0"><tr><t..." Line: 1500 Column: 89 - 159
"...action=""><table width="1" height="1" border="0" cellpadding="0" cellspacing="0"> ..." Line: 1504 Column: 13 - 109
"... <table width="10%" border="0" cellspacing="0" cellpadding="0" id="timer_div" style="float:left;"><tr><t..." Line: 1507 Column: 214 - 357
"... value=""><table cellspacing="0" cellpadding="0" id="mouse_board_div" style=" display:none; position:absolute; width:100px; z-index:10; font-size:20px; "><tr id..." Line: 1507 Column: 4039 - 4101
"...lspan="3"><table width="100%" border="0" cellpadding="2" cellspacing="0"><tr><t..." Line: 1509 Column: 13 - 85
"... <table width="328" border="0" cellspacing="0" cellpadding="0" bgcolor=""><tr><t..." Line: 1723 Column: 7 - 69
"...td> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tb..." Line: 1773 Column: 28 - 88
"...ign="top"><table width="1%" border="0" cellspacing="0" cellpadding="0"><tr><t..." Line: 1773 Column: 110 - 215
"...ign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="margin-right:15px; font-size:11px;"> ..." Line: 1777 Column: 350 - 531
"...</table><table width="1%" cellpadding="0" cellspacing="0" dir="ltr" style=" font-size:12px;margin-top:5px; border:#C8C8C8 solid 1px; padding:1px; background-color:#E1E1E1; text-align:left"><tr><td ..."

The “border” attribute on the “table” element is obsolete. Use CSS instead.

Line: 1327 Column: 1 - 63
"...script> <table width="100%" border="0" cellspacing="0" cellpadding="2"><tr><t..." Line: 1327 Column: 87 - 214
"...="center"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="font-family:Verdana, Geneva, sans-serif; font-size:14px;"><tr><t..." Line: 1392 Column: 35 - 120
"...ign="top"><table width="1%" border="0" align="center" cellpadding="0" cellspacing="0" dir="ltr"> <..." Line: 1395 Column: 3 - 63
"...30px;"> <table width="1%" border="0" cellspacing="0" cellpadding="0"><tr><t..." Line: 1500 Column: 89 - 159
"...action=""><table width="1" height="1" border="0" cellpadding="0" cellspacing="0"> ..." Line: 1504 Column: 13 - 109
"... <table width="10%" border="0" cellspacing="0" cellpadding="0" id="timer_div" style="float:left;"><tr><t..." Line: 1507 Column: 4039 - 4101
"...lspan="3"><table width="100%" border="0" cellpadding="2" cellspacing="0"><tr><t..." Line: 1509 Column: 13 - 85
"... <table width="328" border="0" cellspacing="0" cellpadding="0" bgcolor=""><tr><t..." Line: 1671 Column: 3 - 147
"... <table width="100%" border="0" id="table_share" style="display:none; padding-bottom:13px; border-bottom:1px solid #D4D4D4; margin-bottom:13px; "> <tb..." Line: 1723 Column: 7 - 69
"...td> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tb..." Line: 1773 Column: 28 - 88
"...ign="top"><table width="1%" border="0" cellspacing="0" cellpadding="0"><tr><t..." Line: 1773 Column: 110 - 215
"...ign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="margin-right:15px; font-size:11px;"> ..."

The “align” attribute on the “td” element is obsolete. Use CSS instead.

Line: 1327 Column: 68 - 86
"...g="2"><tr><td align="center"><table..." Line: 1365 Column: 7 - 36
"...iv> </td><td width="100%" align="left"> <d..." Line: 1368 Column: 10 - 55
"... </td><td rowspan="2" align="right" nowrap="nowrap"><img s..." Line: 1370 Column: 7 - 51
"...tr> <tr> <td height="100%" align="left" valign="bottom"> ..." Line: 1376 Column: 15 - 33
"...></tr><tr><td align="center"><div i..." Line: 1392 Column: 7 - 34
"...--> <tr> <td align="center" valign="top"><table..." Line: 1502 Column: 13 - 52
"... <tr> <td colspan="3" height="0" align="center"> ..." Line: 1507 Column: 666 - 1002
"...></tr><tr><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(1);" class="mouse_cell1"><a hre..." Line: 1507 Column: 1036 - 1372
"...1</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(2);" class="mouse_cell2"><a hre..." Line: 1507 Column: 1406 - 1742
"...2</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(3);" class="mouse_cell2"><a hre..." Line: 1507 Column: 1785 - 2121
"...></tr><tr><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(4);" class="mouse_cell1"><a hre..." Line: 1507 Column: 2155 - 2491
"...4</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(5);" class="mouse_cell2"><a hre..." Line: 1507 Column: 2525 - 2861
"...5</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(6);" class="mouse_cell2"><a hre..." Line: 1507 Column: 2904 - 3240
"...></tr><tr><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(7);" class="mouse_cell1"><a hre..." Line: 1507 Column: 3274 - 3610
"...7</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(8);" class="mouse_cell2"><a hre..." Line: 1507 Column: 3644 - 3980
"...8</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(9);" class="mouse_cell2"><a hre..." Line: 1507 Column: 4106 - 4500
"...g="0"><tr><td align="center" style="border:1px solid #999; background-image: url(pictures/mouse-board-delete.png);" onClick="javascript:put_num_mouse('');" onMouseOver="javascript:this.style.cursor='pointer';this.style.backgroundImage=''; this.style.backgroundColor = '#6666FF';" onMouseOut="javascript:this.style.backgroundColor = ''; this.style.backgroundImage='url(pictures/mouse-board-delete.png)';"><a hre..." Line: 1507 Column: 4539 - 4945
"...e</a></td><td align="center" style="border:1px solid #999; border-left:none; background-image: url(pictures/mouse-board-close.png);" onClick="javascript:cell_focus();" onMouseOver="javascript:this.style.cursor='pointer';this.style.backgroundImage=''; this.style.backgroundColor = '#FF0000';" onMouseOut="javascript:this.style.backgroundColor = ''; this.style.backgroundImage='url(pictures/mouse-board-close.png)';"><a hre..." Line: 1726 Column: 9 - 34
"...> <tr> <td width="1%" align="left"> ..."

The “nowrap” attribute on the “td” element is obsolete. Use CSS instead.

Line: 1327 Column: 219 - 250
"...4px;"><tr><td rowspan="2" nowrap="nowrap"><a hre..." Line: 1368 Column: 10 - 55
"... </td><td rowspan="2" align="right" nowrap="nowrap"><img s..." Line: 1736 Column: 12 - 37
"... </td> <td width="1%" nowrap="nowrap"> ..." Line: 1772 Column: 6 - 21
"... </td> <td nowrap>&nbsp;..." Line: 1775 Column: 31 - 39
"... <tr> <td nowrap> ..." Line: 1777 Column: 536 - 546
"...ft"><tr><td nowrap><select ..." Line: 1778 Column: 24 - 34
"...></tr><tr><td nowrap><div s..." Line: 1778 Column: 272 - 282
"...></tr><tr><td nowrap>Time l..." Line: 1778 Column: 308 - 336
"...></tr><tr><td nowrap bgcolor="#DDDDDD"><selec..." Line: 1788 Column: 165 - 23
".../div></td> <td nowrap>&nbsp;..."

The “width” attribute on the “td” element is obsolete. Use CSS instead.

Line: 1365 Column: 7 - 36
"...iv> </td><td width="100%" align="left"> <d..." Line: 1395 Column: 68 - 80
"...g="0"><tr><td width=""><scrip..." Line: 1507 Column: 20 - 59
"... </tr><tr><td width="328" height="0" valign="top"><div s..." Line: 1726 Column: 9 - 34
"...> <tr> <td width="1%" align="left"> ..." Line: 1736 Column: 12 - 37
"... </td> <td width="1%" nowrap="nowrap"> ..." Line: 1739 Column: 12 - 22
"... </td> <td width="98%"> ..."

The “font” element is obsolete. Use CSS instead.

Line: 1366 Column: 51 - 110
"...nofollow"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Sign ..." Line: 1366 Column: 130 - 189
".../font></a><font size="2" face="Verdana, Arial, Helvetica, sans-serif"> | <a ..." Line: 1504 Column: 126 - 185
"...d><strong><font size="5" face="Verdana, Arial, Helvetica, sans-serif"><span ..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 1368 Column: 56 - 141
"...="nowrap"><img src="https://www.sudoku.name/pictures/sudoku-logo.png" width="201" height="61" /></td><..." Line: 1373 Column: 407 - 526
"...ofollow"><img src="pictures/android_64_black.png" width="23" height="26" border="0" align="absbottom" style="margin-right:2px" />Sudoku ..." Line: 1504 Column: 779 - 854
"...timer();"><img src="pictures/transparent.gif" class="sprite sprite-stop" border="0" /></a></..." Line: 1545 Column: 197 - 323
"...16" /></a><img src="pictures/half-star.png" name="half-star1" id="half-star1" onMouseOver="javascript:rating(1);" width="15" height="16"><img s..." Line: 1545 Column: 324 - 469
"...ight="16"><img src="pictures/transparent.gif" class="sprite sprite-empty-star" id="empty-star1" onMouseOver="javascript:rating(1);" width="15" height="16"/><a hre..." Line: 1545 Column: 672 - 798
"...16" /></a><img src="pictures/half-star.png" name="half-star2" id="half-star2" onMouseOver="javascript:rating(2);" width="15" height="16"><img s..." Line: 1545 Column: 799 - 944
"...ight="16"><img src="pictures/transparent.gif" class="sprite sprite-empty-star" id="empty-star2" onMouseOver="javascript:rating(2);" width="15" height="16"/><a hre..." Line: 1545 Column: 1141 - 1267
"...16" /></a><img src="pictures/half-star.png" name="half-star3" id="half-star3" onMouseOver="javascript:rating(3);" width="15" height="16"><img s..." Line: 1545 Column: 1268 - 1413
"...ight="16"><img src="pictures/transparent.gif" class="sprite sprite-empty-star" id="empty-star3" onMouseOver="javascript:rating(3);" width="15" height="16"/><a hre..." Line: 1545 Column: 1607 - 1733
"...16" /></a><img src="pictures/half-star.png" name="half-star4" id="half-star4" onMouseOver="javascript:rating(4);" width="15" height="16"><img s..." Line: 1545 Column: 1734 - 1879
"...ight="16"><img src="pictures/transparent.gif" class="sprite sprite-empty-star" id="empty-star4" onMouseOver="javascript:rating(4);" width="15" height="16"/><a hre..." Line: 1545 Column: 2078 - 2204
"...16" /></a><img src="pictures/half-star.png" name="half-star5" id="half-star5" onMouseOver="javascript:rating(5);" width="15" height="16"><img s..." Line: 1545 Column: 2205 - 2350
"...ight="16"><img src="pictures/transparent.gif" class="sprite sprite-empty-star" id="empty-star5" onMouseOver="javascript:rating(5);" width="15" height="16"/> <d..." Line: 1644 Column: 20 - 145
"...ding <img src="pictures/loading_animation.gif" width="15" height="15" name="search_animation" align="bottom" id="search_animation"> <..." Line: 1661 Column: 10 - 120
"... ;"><img src="pictures/share1.png" width="18" height="18" style="margin-right:2px;" border="0" align="absmiddle" />Share<..." Line: 1737 Column: 171 - 279
"...top=50')"><img src="pictures/question.png" width="14" height="12" style="margin-left:2px; margin-right:2px" border="0"></a> ..." Line: 1776 Column: 234 - 335
"...e="Check"><img src="pictures/transparent.gif" class="sprite sprite-check" border="0" style="margin-left:3px;" />Check<..." Line: 1787 Column: 69 - 153
"...ents_div"><img src="pictures/loading_animation.gif" width="30" height="30" align="absmiddle" /></div>..." Line: 1791 Column: 31 - 115
"...sers_div"><img src="pictures/loading_animation.gif" width="30" height="30" align="absmiddle" /></div>..."

The “height” attribute on the “td” element is obsolete. Use CSS instead.

Line: 1370 Column: 7 - 51
"...tr> <tr> <td height="100%" align="left" valign="bottom"> ..." Line: 1502 Column: 13 - 52
"... <tr> <td colspan="3" height="0" align="center"> ..." Line: 1507 Column: 20 - 59
"... </tr><tr><td width="328" height="0" valign="top"><div s..." Line: 1787 Column: 25 - 40
"... <tr> <td height="0" valign="top"><div i..."

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Line: 1370 Column: 7 - 51
"...tr> <tr> <td height="100%" align="left" valign="bottom"> ..." Line: 1392 Column: 7 - 34
"...--> <tr> <td align="center" valign="top"><table..." Line: 1394 Column: 9 - 52
"...> <tr> <td valign="top" style="padding-right:130px;"> <ta..." Line: 1500 Column: 28 - 45
"...able></td> <td valign="top" style="direction:ltr"><form ..." Line: 1507 Column: 20 - 59
"... </tr><tr><td width="328" height="0" valign="top"><div s..." Line: 1507 Column: 666 - 1002
"...></tr><tr><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(1);" class="mouse_cell1"><a hre..." Line: 1507 Column: 1036 - 1372
"...1</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(2);" class="mouse_cell2"><a hre..." Line: 1507 Column: 1406 - 1742
"...2</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(3);" class="mouse_cell2"><a hre..." Line: 1507 Column: 1785 - 2121
"...></tr><tr><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(4);" class="mouse_cell1"><a hre..." Line: 1507 Column: 2155 - 2491
"...4</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(5);" class="mouse_cell2"><a hre..." Line: 1507 Column: 2525 - 2861
"...5</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(6);" class="mouse_cell2"><a hre..." Line: 1507 Column: 2904 - 3240
"...></tr><tr><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(7);" class="mouse_cell1"><a hre..." Line: 1507 Column: 3274 - 3610
"...7</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(8);" class="mouse_cell2"><a hre..." Line: 1507 Column: 3644 - 3980
"...8</a></td><td align="center" valign="middle" onMouseOver="javascript:this.style.cursor='pointer'; this.style.backgroundImage='none'; this.style.backgroundColor = '#eee';" onMouseOut="javascript:this.style.backgroundColor = '';this.style.backgroundImage='url(pictures/mouse-board.png)';" onClick="javascript:put_num_mouse(9);" class="mouse_cell2"><a hre..." Line: 1773 Column: 33 - 27
"...nbsp;</td> <td valign="top"><table..." Line: 1773 Column: 93 - 109
"...g="0"><tr><td valign="top"><table..." Line: 1787 Column: 25 - 40
"... <tr> <td height="0" valign="top"><div i..." Line: 1789 Column: 35 - 29
"...nbsp;</td> <td valign="top"><div s..." Line: 1793 Column: 15 - 43
"... <tr><td colspan="3" valign="top"></td><..." Line: 1797 Column: 16 - 23
"... </td> <td valign="top"><div i..."

Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.

Line: 1373 Column: 267 - 406
"...rd</a> | <a href="https://play.google.com/store/apps/details?id=com.industries.online.sudoku" target="_new" style="font-weight:bold;" rel="nofollow"><img sr..."

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Line: 1373 Column: 407 - 526
"...ofollow"><img src="pictures/android_64_black.png" width="23" height="26" border="0" align="absbottom" style="margin-right:2px" />Sudoku ..." Line: 1644 Column: 20 - 145
"...ding <img src="pictures/loading_animation.gif" width="15" height="15" name="search_animation" align="bottom" id="search_animation"> <..." Line: 1661 Column: 10 - 120
"... ;"><img src="pictures/share1.png" width="18" height="18" style="margin-right:2px;" border="0" align="absmiddle" />Share<..." Line: 1787 Column: 69 - 153
"...ents_div"><img src="pictures/loading_animation.gif" width="30" height="30" align="absmiddle" /></div>..." Line: 1791 Column: 31 - 115
"...sers_div"><img src="pictures/loading_animation.gif" width="30" height="30" align="absmiddle" /></div>..."

The “align” attribute on the “table” element is obsolete. Use CSS instead.

Line: 1392 Column: 35 - 120
"...ign="top"><table width="1%" border="0" align="center" cellpadding="0" cellspacing="0" dir="ltr"> <..."

Bad value “” for attribute “action” on element “form”: Must be non-empty.

Line: 1500 Column: 46 - 88
"...tion:ltr"><form name="form1" method="post" action=""><table..."

Attribute “height” not allowed on element “table” at this point.

Line: 1500 Column: 89 - 159
"...action=""><table width="1" height="1" border="0" cellpadding="0" cellspacing="0"> ..."

The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.

Line: 1509 Column: 13 - 85
"... <table width="328" border="0" cellspacing="0" cellpadding="0" bgcolor=""><tr><t..."

The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.

Line: 1509 Column: 90 - 209
"...or=""><tr><td id="cell1" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 854 - 1027
"...2')"></td><td id="cell3" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 1123 - 1323
"...only></td><td id="cell4" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 1419 - 1646
"...only></td><td id="cell5" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 3794 - 4157
"...8')"></td><td id="cell9" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-right:#000 2px solid;"><input..." Line: 1509 Column: 5355 - 5529
"...1')"></td><td id="cell12" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 6241 - 6469
"...3')"></td><td id="cell14" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 7930 - 8239
"...6')"></td><td id="cell17" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 8337 - 8701
"...only></td><td id="cell18" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-right:#000 2px solid;"><input..." Line: 1509 Column: 9341 - 9488
"...9')"></td><td id="cell20" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 10173 - 10374
"...1')"></td><td id="cell22" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 13198 - 13562
"...6')"></td><td id="cell27" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-right:#000 2px solid;"><input..." Line: 1509 Column: 14202 - 14349
"...8')"></td><td id="cell29" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 14447 - 14621
"...only></td><td id="cell30" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 14719 - 14920
"...only></td><td id="cell31" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 15018 - 15246
"...only></td><td id="cell32" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 16012 - 16294
"...3')"></td><td id="cell34" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 18433 - 18580
"...7')"></td><td id="cell38" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 20520 - 20775
"...1')"></td><td id="cell42" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 21568 - 21877
"...3')"></td><td id="cell44" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 23854 - 24028
"...7')"></td><td id="cell48" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 24126 - 24327
"...only></td><td id="cell49" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 25734 - 26016
"...1')"></td><td id="cell52" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 26114 - 26423
"...only></td><td id="cell53" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 27307 - 27427
"...></tr><tr><td id="cell55" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 29927 - 30182
"...9')"></td><td id="cell60" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 30975 - 31284
"...1')"></td><td id="cell62" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 32168 - 32288
"...></tr><tr><td id="cell64" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 32386 - 32533
"...only></td><td id="cell65" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 33832 - 34060
"...7')"></td><td id="cell68" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 34826 - 35108
"...9')"></td><td id="cell70" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 36714 - 36863
"...></tr><tr><td id="cell73" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-bottom:#000 2px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 38809 - 39066
"...6')"></td><td id="cell77" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-bottom:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 39164 - 39448
"...only></td><td id="cell78" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-bottom:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;"><input..." Line: 1509 Column: 39546 - 39857
"...only></td><td id="cell79" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-bottom:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;"><input..." Line: 1509 Column: 40706 - 41099
"...0')"></td><td id="cell81" bgcolor="#E5E5E5" style="width:33px; height:35px; border-top:#999 1px solid;border-bottom:#000 2px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-left:#000 2px solid;border-left:#999 1px solid;border-left:#999 1px solid;border-right:#000 2px solid;"><input..." Line: 1778 Column: 308 - 336
"...></tr><tr><td nowrap bgcolor="#DDDDDD"><selec..."

The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.

Line: 1545 Column: 197 - 323
"...16" /></a><img src="pictures/half-star.png" name="half-star1" id="half-star1" onMouseOver="javascript:rating(1);" width="15" height="16"><img s..." Line: 1545 Column: 672 - 798
"...16" /></a><img src="pictures/half-star.png" name="half-star2" id="half-star2" onMouseOver="javascript:rating(2);" width="15" height="16"><img s..." Line: 1545 Column: 1141 - 1267
"...16" /></a><img src="pictures/half-star.png" name="half-star3" id="half-star3" onMouseOver="javascript:rating(3);" width="15" height="16"><img s..." Line: 1545 Column: 1607 - 1733
"...16" /></a><img src="pictures/half-star.png" name="half-star4" id="half-star4" onMouseOver="javascript:rating(4);" width="15" height="16"><img s..." Line: 1545 Column: 2078 - 2204
"...16" /></a><img src="pictures/half-star.png" name="half-star5" id="half-star5" onMouseOver="javascript:rating(5);" width="15" height="16"><img s..." Line: 1644 Column: 20 - 145
"...ding <img src="pictures/loading_animation.gif" width="15" height="15" name="search_animation" align="bottom" id="search_animation"> <..."

Duplicate attribute “style”.

Line: 1719 Column: - 282
"...elect();" style="width:160px;d..."

The “align” attribute on the “tr” element is obsolete. Use CSS instead.

Line: 1827 Column: 6 - 19
".../td> </tr> <tr align="center"><td><b..."

Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.

Line: 1904 Column: 5 - 41
"... <div id="" style="text-align:center"> <d..."

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 4 Column: 1 - 68
"...l> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> <link..."

The “language” attribute on the “script” element is obsolete. You can safely omit it.

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"...</style> <script language=javascript> var ..."

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

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"... href="/"><img src="https://www.sudoku.name/pictures/head2.png" width="372" height="61" border="0" title="Sudoku" alt="Sudoku" style="margin-right:8px"></a> <..." Line: 1373 Column: 407 - 526
"...ofollow"><img src="pictures/android_64_black.png" width="23" height="26" border="0" align="absbottom" style="margin-right:2px" />Sudoku ..." Line: 1504 Column: 779 - 854
"...timer();"><img src="pictures/transparent.gif" class="sprite sprite-stop" border="0" /></a></..." Line: 1507 Column: 5004 - 5093
"...focus();"><img src="pictures/transparent.gif" class="sprite sprite-erase" border="0" title="close"/></a></..." Line: 1533 Column: 5 - 104
"...ave"> <img src="pictures/transparent.gif" class="sprite sprite-save-sudoku" border="0" title="Save game"/></a> <..." Line: 1545 Column: 46 - 192
"...d="star1"><img src="pictures/transparent.gif" class="sprite sprite-star" onMouseOver="javascript:rating(1);" border="0" title="Bad" width="15" height="16" /></a><i..." Line: 1545 Column: 511 - 667
"...d="star2"><img src="pictures/transparent.gif" class="sprite sprite-star" onMouseOver="javascript:rating(2);" border="0" title="Below average" width="15" height="16" /></a><i..." Line: 1545 Column: 986 - 1136
"...d="star3"><img src="pictures/transparent.gif" class="sprite sprite-star" onMouseOver="javascript:rating(3);" border="0" title="Average" width="15" height="16" /></a><i..." Line: 1545 Column: 1455 - 1602
"...d="star4"><img src="pictures/transparent.gif" class="sprite sprite-star" onMouseOver="javascript:rating(4);" border="0" title="Good" width="15" height="16" /></a><i..." Line: 1545 Column: 1921 - 2073
"...d="star5"><img src="pictures/transparent.gif" class="sprite sprite-star" onMouseOver="javascript:rating(5);" border="0" title="Excellent" width="15" height="16" /></a><i..." Line: 1661 Column: 10 - 120
"... ;"><img src="pictures/share1.png" width="18" height="18" style="margin-right:2px;" border="0" align="absmiddle" />Share<..." Line: 1737 Column: 171 - 279
"...top=50')"><img src="pictures/question.png" width="14" height="12" style="margin-left:2px; margin-right:2px" border="0"></a> ..." Line: 1776 Column: 234 - 335
"...e="Check"><img src="pictures/transparent.gif" class="sprite sprite-check" border="0" style="margin-left:3px;" />Check<..." Line: 1776 Column: 962 - 1063
"...rking();"><img src="pictures/transparent.gif" class="sprite sprite-erase-mark" border="0" title="Erase marks" /> Erase..." Line: 1776 Column: 1239 - 1335
"...ubmit();"><img src="pictures/transparent.gif" class="sprite sprite-erase" border="0" title="Reset board" /> Reset..." Line: 1776 Column: 1624 - 1716
"...=0')"><img src="pictures/transparent.gif" class="sprite sprite-printer" border="0" title="Print" /> Print</a>..." Line: 1776 Column: 2000 - 2101
"..."><img src="pictures/transparent.gif" class="sprite sprite-sudoku-solver" border="0" title="Solution" /> Solution</a><..." Line: 1777 Column: 205 - 314
"...=50');"><img src="pictures/transparent.gif" class="sprite sprite-send-sudoku-email" border="0" title="Send by mail" /> Send by..."

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sudoku.name Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

sudoku.name TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.