VISION3D.COM 3D Vision Is More Important than You Think - Optometrists.org

vision3d.com Website Information

Daily Unique Visits: 2,492

Daily Page Views: 7,476

Income Per Day: $22

Estimated Value: $7,920

This website is located in United States and is using following IP address 209.68.21.109. See the complete list of popular websites hosted in United States.

vision3d.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website vision3d.com is using the following name servers:

  • ns552.pair.com
  • ns000.ns0.com

and is probably hosted by PAIR-NETWORKS - pair Networks, US. See the full list of other websites hosted by PAIR-NETWORKS - pair Networks, US.

The highest website vision3d.com position in Alexa rank database was 39130 and the lowest rank position was 997730. Current position of vision3d.com in Alexa rank database is 431637.

Desktop speed score of vision3d.com (92/100) is better than the results of 90.97% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of vision3d.com (60/100) is better than the results of 3.95% of other sites and means that the page is not mobile-friendly.

Mobile speed score of vision3d.com (63/100) is better than the results of 61.76% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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vision3d.com 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.


vision3d.com 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.


Domain Name: VISION3D.COM
Registry Domain ID: 68480_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.enom.com
Registrar URL: http://www.enomdomains.com
Updated Date: 2024-09-10T09:00:57Z
Creation Date: 1996-09-12T04:00:00Z
Registry Expiry Date: 2025-09-11T04:00:00Z
Registrar: eNom, LLC
Registrar IANA ID: 48
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS000.NS0.COM
Name Server: NS270.PAIR.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-22T15:05:48Z

vision3d.com server information

Servers Location

vision3d.com desktop page speed rank

Last tested: 2015-09-05


Desktop Speed Good
92/100

vision3d.com Desktop Speed Test Quick Summary


priority - 5Leverage 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.optometrists.org/images/navbar_update.gif (expiration not specified)
http://www.vision3d.com/images/3dvision.gif (expiration not specified)
http://www.vision3d.com/images/VT_link.gif (expiration not specified)
http://www.vision3d.com/images/cms_icon2.gif (expiration not specified)
http://www.vision3d.com/images/commended.gif (expiration not specified)
http://www.vision3d.com/images/health.gif (expiration not specified)
http://www.vision3d.com/images/navbar_update.gif (expiration not specified)
http://www.vision3d.com/images/pixel.gif (expiration not specified)
http://www.vision3d.com/images/px_clear.gif (expiration not specified)
http://www.vision3d.com/optical/images_o/DrTryIt3.gif (expiration not specified)
http://www.google-analytics.com/ga.js (2 hours)

priority - 1Enable 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 11.8KiB (76% reduction).

Compressing http://www.vision3d.com/ could save 11.8KiB (76% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 5.3KiB (20% reduction).

Losslessly compressing http://www.vision3d.com/optical/images_o/DrTryIt3.gif could save 5.3KiB (20% reduction).

priority - 0Minify 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 1.9KiB (13% reduction).

Minifying http://www.vision3d.com/ could save 1.9KiB (13% reduction).

vision3d.com Desktop Resource Breakdown

Total Resources15
Number of Hosts4
Static Resources11
JavaScript Resources1

vision3d.com mobile page speed rank

Last tested: 2019-06-19


Mobile Speed Bad
63/100

vision3d.com Mobile Speed Test Quick Summary


priority - 51Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

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

http://vision3d.com/
https://vision3d.com/
http://www.vision3d.com/
https://www.vision3d.com/

priority - 8Leverage 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:

https://www.optometrists.org/images/navbar_update.gif (expiration not specified)
https://www.vision3d.com/images/3dvision.gif (expiration not specified)
https://www.vision3d.com/images/VT_link.gif (expiration not specified)
https://www.vision3d.com/images/commended.gif (expiration not specified)
https://www.vision3d.com/images/health.gif (expiration not specified)
https://www.vision3d.com/images/navbar_update.gif (expiration not specified)
https://www.vision3d.com/images/pixel.gif (expiration not specified)
https://www.vision3d.com/images/px_clear.gif (expiration not specified)
https://www.vision3d.com/optical/images_o/DrTryIt3.gif (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://ssl.google-analytics.com/ga.js (2 hours)

priority - 1Enable 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 12.2KiB (75% reduction).

Compressing https://www.vision3d.com/ could save 12.2KiB (75% reduction).

priority - 0Minify 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 2.1KiB (14% reduction).

Minifying https://www.vision3d.com/ could save 2.1KiB (14% reduction).

priority - 0Optimize images

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

Optimize the following images to reduce their size by 699B (19% reduction).

Compressing https://yt3.ggpht.com/-_ENlZbPoMcA/AAAAAAAAAAI/AAA…rj-c0xffffff/photo.jpg could save 699B (19% reduction).

vision3d.com Mobile Resource Breakdown

Total Resources33
Number of Hosts12
Static Resources17
JavaScript Resources7
CSS Resources1

vision3d.com mobile page usability

Last tested: 2019-06-19


Mobile Usability Bad
60/100

vision3d.com Mobile Usability Test Quick Summary


priority - 40Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

>  vision3d.co…Reality, etc. and 1 others render only 4 pixels tall (10 CSS pixels).

Optometrists Network renders only 4 pixels tall (10 CSS pixels).

What is Stereovision? and 16 others render only 5 pixels tall (13 CSS pixels).

22/37 renders only 4 pixels tall (11 CSS pixels).

Strabismus Cur…th Perception! renders only 7 pixels tall (18 CSS pixels).

Your browser d…ats available. renders only 5 pixels tall (14 CSS pixels).

Click here to…t HTML5 video. renders only 5 pixels tall (14 CSS pixels).

Strabismus Cur…th Perception! renders only 6 pixels tall (16 CSS pixels).

STEREO SUE GAINS STEREOVISION! and 9 others render only 5 pixels tall (13 CSS pixels).

Contents from…How to See 3D renders only 4 pixels tall (10 CSS pixels).

All other imag…yright © 1996- and 5 others render only 4 pixels tall (10 CSS pixels).

Rachel Cooper,…s for Lazy Eye and 1 others render only 4 pixels tall (10 CSS pixels).

convergenceinsufficiency.org and 11 others render only 4 pixels tall (10 CSS pixels).

.... and 8 others render only 4 pixels tall (10 CSS pixels).

Terms and Conditions and 1 others render only 4 pixels tall (10 CSS pixels).

2019, Optometrists Network and 2 others render only 4 pixels tall (10 CSS pixels).

priority - 21Size 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 <a href="stereo.html">What is Stereovision?</a> and 16 others are close to other tap targets.

The tap target <button class="ytp-playlist-m…ton ytp-button">22/37</button> is close to 1 other tap targets.

The tap target <a href="https://www.yo…kiZGM-_M3ib1Bg" class="ytp-title-channel-logo"> is close to 2 other tap targets.

The tap target <button class="ytp-watch-late…ton ytp-button">Watch later</button> and 1 others are close to other tap targets.

The tap target <a href="https://youtu.…-&amp;rel=0&amp;loop=1">Strabismus Cur…th Perception!</a> and 1 others are close to other tap targets.

The tap target <a href="whycant.html">CAN&#39;T SEE 3-D in 3D MOVIES?</a> and 6 others are close to other tap targets.

The tap target <a href="optical/index.shtml#stereogram">3D STEREOGRAMS, PHOTOS, ART</a> is close to 1 other tap targets.

The tap target <a href="optical/puzzles.html">3D OPTICAL ILLUSIONS</a> and 1 others are close to other tap targets.

The tap target <a href="https://www.add-adhd.org">add-adhd.org</a> and 11 others are close to other tap targets.

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

vision3d.com HTML validation

Errors

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 6
"...<HTML> <HEAD..."

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

Line: 13 Column: 1 - 100
"... </HEAD> <BODY LEFTMARGIN="8" TOPMARGIN="8" BGCOLOR="#FFFFFF" LINK="#6600FF" VLINK="#6600FF" ALINK="#003399"> <!-- ..."

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

Line: 13 Column: 1 - 100
"... </HEAD> <BODY LEFTMARGIN="8" TOPMARGIN="8" BGCOLOR="#FFFFFF" LINK="#6600FF" VLINK="#6600FF" ALINK="#003399"> <!-- ..."

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

Line: 13 Column: 1 - 100
"... </HEAD> <BODY LEFTMARGIN="8" TOPMARGIN="8" BGCOLOR="#FFFFFF" LINK="#6600FF" VLINK="#6600FF" ALINK="#003399"> <!-- ..."

The “link” attribute on the “body” element is obsolete. Use CSS instead.

Line: 13 Column: 1 - 100
"... </HEAD> <BODY LEFTMARGIN="8" TOPMARGIN="8" BGCOLOR="#FFFFFF" LINK="#6600FF" VLINK="#6600FF" ALINK="#003399"> <!-- ..."

The “vlink” attribute on the “body” element is obsolete. Use CSS instead.

Line: 13 Column: 1 - 100
"... </HEAD> <BODY LEFTMARGIN="8" TOPMARGIN="8" BGCOLOR="#FFFFFF" LINK="#6600FF" VLINK="#6600FF" ALINK="#003399"> <!-- ..."

The “alink” attribute on the “body” element is obsolete. Use CSS instead.

Line: 13 Column: 1 - 100
"... </HEAD> <BODY LEFTMARGIN="8" TOPMARGIN="8" BGCOLOR="#FFFFFF" LINK="#6600FF" VLINK="#6600FF" ALINK="#003399"> <!-- ..."

Element “area” is missing required attribute “alt”.

Line: 20 Column: 1 - 74
"..."navbar"> <AREA SHAPE="rect" COORDS="0,0,181,37" HREF="http://www.optometrists.org"> <AREA..." Line: 21 Column: 1 - 100
"...sts.org"> <AREA SHAPE="rect" COORDS="190,0,291,37" HREF="http://www.optometrists.org/findeyedoctordirectory/"> <AREA..." Line: 22 Column: 1 - 100
"...ectory/"> <AREA SHAPE="rect" COORDS="308,0,383,37" HREF="http://www.optometrists.org/eye_health_network.html"> <AREA..." Line: 23 Column: 1 - 97
"...rk.html"> <AREA SHAPE="rect" COORDS="402,0,445,37" HREF="http://www.optometrists.org/optometry_links.html"> <AREA..." Line: 24 Column: 1 - 98
"...ks.html"> <AREA SHAPE="rect" COORDS="463,0,560,37" HREF="http://www.children-special-needs.org/parent.html"> <AREA..." Line: 25 Column: 1 - 92
"...nt.html"> <AREA SHAPE="rect" COORDS="574,0,653,37" HREF="http://www.optometrists.org/contact_us.html"></MAP>..."

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

Line: 32 Column: 1 - 80
"....... --> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="666" bgcolor="#cccccc"> <TR>..." Line: 44 Column: 1 - 63
"....--> <br> <TABLE WIDTH ="666" CELLPADDING="0" CELLSPACING="0" BORDER="0"> <TR> ..." Line: 239 Column: 1 - 80
"....... --> <TABLE BORDER="0" BGCOLOR="#000000" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..." Line: 246 Column: 1 - 80
".../TABLE> <TABLE BORDER="0" BGCOLOR="#CCCCCC" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..."

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

Line: 32 Column: 1 - 80
"....... --> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="666" bgcolor="#cccccc"> <TR>..." Line: 44 Column: 1 - 63
"....--> <br> <TABLE WIDTH ="666" CELLPADDING="0" CELLSPACING="0" BORDER="0"> <TR> ..." Line: 239 Column: 1 - 80
"....... --> <TABLE BORDER="0" BGCOLOR="#000000" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..." Line: 246 Column: 1 - 80
".../TABLE> <TABLE BORDER="0" BGCOLOR="#CCCCCC" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..."

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

Line: 32 Column: 1 - 80
"....... --> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="666" bgcolor="#cccccc"> <TR>..." Line: 44 Column: 1 - 63
"....--> <br> <TABLE WIDTH ="666" CELLPADDING="0" CELLSPACING="0" BORDER="0"> <TR> ..." Line: 49 Column: 2 - 20
"...ARE --> <TABLE WIDTH="140"> <TR>..." Line: 73 Column: 2 - 20
"...TS --> <TABLE WIDTH="140"> <TR>..." Line: 107 Column: 2 - 20
"...NTS --> <TABLE WIDTH="125"> <TR>..." Line: 154 Column: 7 - 34
"...iv> <table WIDTH="500" border=0> ..." Line: 158 Column: 1 - 28
"...</table> <table WIDTH="500" border=0> <TD ..." Line: 175 Column: 1 - 28
"...</table> <table WIDTH="500" border=0> <TD ..." Line: 181 Column: 1 - 28
"... </table> <table WIDTH="500" border=0> <tab..." Line: 183 Column: 29 - 28
"... border=0> <table WIDTH="500" border=0> <TD ..." Line: 190 Column: 1 - 28
"... </table> <table WIDTH="500" border=0> <TD ..." Line: 206 Column: 1 - 28
"...</table> <table WIDTH="500" border=0> <TD ..." Line: 239 Column: 1 - 80
"....... --> <TABLE BORDER="0" BGCOLOR="#000000" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..." Line: 246 Column: 1 - 80
".../TABLE> <TABLE BORDER="0" BGCOLOR="#CCCCCC" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..."

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

Line: 32 Column: 1 - 80
"....... --> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="666" bgcolor="#cccccc"> <TR>..." Line: 239 Column: 1 - 80
"....... --> <TABLE BORDER="0" BGCOLOR="#000000" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..." Line: 246 Column: 1 - 80
".../TABLE> <TABLE BORDER="0" BGCOLOR="#CCCCCC" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..."

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

Line: 32 Column: 1 - 80
"....... --> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="666" bgcolor="#cccccc"> <TR>..." Line: 44 Column: 1 - 63
"....--> <br> <TABLE WIDTH ="666" CELLPADDING="0" CELLSPACING="0" BORDER="0"> <TR> ..." Line: 154 Column: 7 - 34
"...iv> <table WIDTH="500" border=0> ..." Line: 158 Column: 1 - 28
"...</table> <table WIDTH="500" border=0> <TD ..." Line: 175 Column: 1 - 28
"...</table> <table WIDTH="500" border=0> <TD ..." Line: 181 Column: 1 - 28
"... </table> <table WIDTH="500" border=0> <tab..." Line: 183 Column: 29 - 28
"... border=0> <table WIDTH="500" border=0> <TD ..." Line: 190 Column: 1 - 28
"... </table> <table WIDTH="500" border=0> <TD ..." Line: 206 Column: 1 - 28
"...</table> <table WIDTH="500" border=0> <TD ..." Line: 239 Column: 1 - 80
"....... --> <TABLE BORDER="0" BGCOLOR="#000000" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..." Line: 246 Column: 1 - 80
".../TABLE> <TABLE BORDER="0" BGCOLOR="#CCCCCC" CELLPADDING="0" CELLSPACING="0" WIDTH="666"> <TR>..."

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

Line: 37 Column: 6 - 51
".../TR> <TR> <TD VALIGN="MIDDLE" HEIGHT="19" BGCOLOR="#CCCCCC"><FONT ..." Line: 46 Column: 5 - 27
"...="0"> <TR> <TD width="182" VALIGN=TOP><IMG S..." Line: 146 Column: 76 - 33
"..........--> <TD WIDTH="484" VALIGN="top"> <div ..." Line: 155 Column: 35 - 50
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"><IMG S..." Line: 160 Column: 29 - 27
"... border=0> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 163 Column: 6 - 44
"...=0 > </td> <TD WIDTH="300" VALIGN="top" align="center"> <IMG ..." Line: 167 Column: 122 - 27
"...font></td> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 170 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 177 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 185 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 192 Column: 29 - 27
"... border=0> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 195 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 199 Column: 73 - 27
"...rong></td> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 202 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 208 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 264 Column: 7 - 35
"...T> </TD> <TD ALIGN="RIGHT" VALIGN="bottom"> <FON..."

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

Line: 37 Column: 6 - 51
".../TR> <TR> <TD VALIGN="MIDDLE" HEIGHT="19" BGCOLOR="#CCCCCC"><FONT ..."

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

Line: 37 Column: 6 - 51
".../TR> <TR> <TD VALIGN="MIDDLE" HEIGHT="19" BGCOLOR="#CCCCCC"><FONT ..."

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

Line: 37 Column: 52 - 94
"..."#CCCCCC"><FONT FACE="Helvetica,sans-serif" SIZE="1">&nbsp;..." Line: 52 Column: 28 - 81
"...reo.html"><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2">What i..." Line: 56 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 60 Column: 29 - 82
"...ant.html"><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2">Can't ..." Line: 64 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 76 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 80 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 84 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 94 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 98 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 110 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 114 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 118 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 122 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 126 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 130 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 134 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 138 Column: 6 - 59
"...TD> <TD><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 155 Column: 130 - 183
"...ant.html"><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><stron..." Line: 155 Column: 341 - 394
"...reo.html"><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><stron..." Line: 164 Column: 57 - 95
"...border=0 ><font size="3" face="Arial, Helvetica"><A HRE..." Line: 165 Column: 1 - 54
"...reogram"> <FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><stron..." Line: 171 Column: 57 - 110
"...border=0 ><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><A HRE..." Line: 178 Column: 81 - 134
"...al.shtml"><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><stron..." Line: 186 Column: 125 - 178
"...ion.html"><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><stron..." Line: 196 Column: 65 - 118
"... ><STRONG><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"> <A HR..." Line: 203 Column: 98 - 151
"...ereogram"><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><stron..." Line: 209 Column: 87 - 140
"...ex.shtml"><FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="2"><stron..." Line: 223 Column: 1 - 54
"... <center> <FONT FACE="Comic Sans MS, Helvetica, Arial" SIZE="1"><EM>Co..." Line: 254 Column: 2 - 60
"... <TD> <FONT FACE="Trebuchet,Arial,Helvetica,sans-serif" SIZE="1"> <A H..." Line: 265 Column: 2 - 60
"...bottom"> <FONT FACE="Trebuchet,Arial,Helvetica,sans-serif" SIZE="1"> <A H..."

Stray end tag “a”.

Line: 37 Column: 315 - 318
"...lity, etc.</a> <!--&..."

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

Line: 46 Column: 5 - 27
"...="0"> <TR> <TD width="182" VALIGN=TOP><IMG S..." Line: 51 Column: 6 - 15
"...40"> <TR> <TD WIDTH="3"><IMG S..." Line: 55 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 59 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 63 Column: 6 - 15
"...TR> <TR> <TD WIDTH="3"><IMG S..." Line: 75 Column: 6 - 15
"...40"> <TR> <TD WIDTH="3"><IMG S..." Line: 79 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 83 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 93 Column: 6 - 15
"... <TR> <TD WIDTH="3"><IMG S..." Line: 97 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 109 Column: 6 - 15
"...25"> <TR> <TD WIDTH="3"><IMG S..." Line: 113 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 117 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 121 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 125 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 129 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 133 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 137 Column: 6 - 15
".../TR> <TR> <TD WIDTH="3"><IMG S..." Line: 146 Column: 76 - 33
"..........--> <TD WIDTH="484" VALIGN="top"> <div ..." Line: 155 Column: 35 - 50
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"><IMG S..." Line: 160 Column: 29 - 27
"... border=0> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 163 Column: 6 - 44
"...=0 > </td> <TD WIDTH="300" VALIGN="top" align="center"> <IMG ..." Line: 167 Column: 122 - 27
"...font></td> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 170 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 177 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 185 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 192 Column: 29 - 27
"... border=0> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 195 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 199 Column: 73 - 27
"...rong></td> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 202 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 208 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..."

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

Line: 46 Column: 28 - 160
"...ALIGN=TOP><IMG SRC="images/3dvision.gif" ALT="3D Stereoscopic Vision, Binocular Depth Perception" ALIGN=TOP WIDTH="115" HEIGHT="55" BORDER="0"><BR> ..." Line: 69 Column: 1 - 96
"... <BR> <IMG SRC="images/VT_link.gif" ALT="Vision Therapy" ALIGN=TOP WIDTH="115" HEIGHT="55" BORDER="0"> <BR> ..." Line: 103 Column: 1 - 92
"...> <BR> <IMG SRC="images/health.gif" ALT="For Parents" ALIGN=TOP WIDTH="115" HEIGHT="55" BORDER="0"> <BR> ..."

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

Line: 51 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 55 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 59 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 63 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 75 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 79 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 83 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 93 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 97 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 109 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 113 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 117 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 121 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 125 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 129 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 133 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 137 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 155 Column: 51 - 106
"...="center"><IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 155 Column: 263 - 318
"...160;&#160;<IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 161 Column: 1 - 56
"...GN="top"> <IMG SRC="images/pixel.gif" width=5 height=15 border=0 > </td>..." Line: 164 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><font ..." Line: 168 Column: 1 - 56
"...GN="top"> <IMG SRC="images/pixel.gif" width=5 height=15 border=0 > </td>..." Line: 171 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><FONT ..." Line: 178 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 186 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 193 Column: 1 - 56
"...GN="top"> <IMG SRC="images/pixel.gif" width=5 height=15 border=0 > </td>..." Line: 196 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><STRON..." Line: 200 Column: 1 - 57
"...GN="top"> <IMG SRC="images/pixel.gif" width=10 height=15 border=0 > </td>..." Line: 203 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 209 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 249 Column: 2 - 64
"...R> <TD> <IMG SRC="images/px_clear.gif" WIDTH="6" HEIGHT="1" BORDER="0"> </T..." Line: 276 Column: 6 - 68
"...> <TD><IMG SRC="images/px_clear.gif" WIDTH="6" HEIGHT="1" BORDER="0"></TD><..." Line: 276 Column: 99 - 161
"...LSPAN="4"><IMG SRC="images/px_clear.gif" WIDTH="1" HEIGHT="3" BORDER="0"></TD><..."

Row 4 of a row group established by a “tbody” element has no cells beginning on it.

Line: 92 Column: 6 - 5
".../TR> <TR> <TR> <TD..."

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

Line: 146 Column: 35 - 54
"...GN="top"> <div align="center"> ..." Line: 214 Column: 7 - 26
"...BR> <div align="center"><IMG S..."

“td” start tag in table body.

Line: 155 Column: 35 - 50
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"><IMG S..." Line: 160 Column: 29 - 27
"... border=0> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 177 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 185 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 192 Column: 29 - 27
"... border=0> <TD WIDTH="5" VALIGN="top"> <IMG ..." Line: 208 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..."

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

Line: 155 Column: 35 - 50
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"><IMG S..." Line: 163 Column: 6 - 44
"...=0 > </td> <TD WIDTH="300" VALIGN="top" align="center"> <IMG ..." Line: 170 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 177 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 185 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 195 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 202 Column: 6 - 44
"...=0 > </td> <TD WIDTH="245" VALIGN="top" align="center"> <IMG ..." Line: 208 Column: 29 - 44
"... border=0> <TD WIDTH="500" VALIGN="top" align="center"> <IMG ..." Line: 264 Column: 7 - 35
"...T> </TD> <TD ALIGN="RIGHT" VALIGN="bottom"> <FON..."

Start tag for “table” seen but the previous “table” is still open.

Line: 183 Column: 29 - 28
"... border=0> <table WIDTH="500" border=0> <TD ..."

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

Line: 222 Column: 1 - 8
"...--> <BR> <center> <FONT..."

Warnings

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Line: 15 Column: 1 - 14
"...03399 --> <A NAME="top"></A> <..."

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

Line: 34 Column: 9 - 93
"... <TD><IMG SRC="images/navbar_update.gif" USEMAP="#navbar" ALT="top navigation" BORDER="0"></TD> ..." Line: 46 Column: 28 - 160
"...ALIGN=TOP><IMG SRC="images/3dvision.gif" ALT="3D Stereoscopic Vision, Binocular Depth Perception" ALIGN=TOP WIDTH="115" HEIGHT="55" BORDER="0"><BR> ..." Line: 51 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 55 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 59 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 63 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 69 Column: 1 - 96
"... <BR> <IMG SRC="images/VT_link.gif" ALT="Vision Therapy" ALIGN=TOP WIDTH="115" HEIGHT="55" BORDER="0"> <BR> ..." Line: 75 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 79 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 83 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 93 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 97 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 103 Column: 1 - 92
"...> <BR> <IMG SRC="images/health.gif" ALT="For Parents" ALIGN=TOP WIDTH="115" HEIGHT="55" BORDER="0"> <BR> ..." Line: 109 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 113 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 117 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 121 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 125 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 129 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 133 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 137 Column: 16 - 75
"...WIDTH="3"><IMG SRC="images/pixel.gif" WIDTH="3" HEIGHT="1" BORDER="0"></TD> ..." Line: 152 Column: 5 - 856
"... <img src="optical/images_o/DrTryIt3.gif" width=400 height=173 border=0 alt="This huge site teaches about binocular vision, normal eyesight, visual perception, binocular vision, vision therapy, eye exercises, optical illusions, visual illusions, Magic Eye stereograms, stereoscopic or stereographic photography and drawings, how to see Magic Eye stereograms. This site also provides a wealth of information about vision care or eye care services relating to children's eye care, pediatric eye care, and parenting children with vision impairments such as lazy eye, accommodative esotropia, esophoria, exophoria, exotropia, exotropic esotropic, hyperphoria, hyperopia, myopia, nearsighted, farsightedness, hypophoria, hyperphoria, hypertropia,double vision, problems with depth perception, seeing double, problems with stereopsis or stereoscopic vision"><P> ..." Line: 155 Column: 51 - 106
"...="center"><IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 155 Column: 263 - 318
"...160;&#160;<IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 161 Column: 1 - 56
"...GN="top"> <IMG SRC="images/pixel.gif" width=5 height=15 border=0 > </td>..." Line: 164 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><font ..." Line: 168 Column: 1 - 56
"...GN="top"> <IMG SRC="images/pixel.gif" width=5 height=15 border=0 > </td>..." Line: 171 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><FONT ..." Line: 178 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 186 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 193 Column: 1 - 56
"...GN="top"> <IMG SRC="images/pixel.gif" width=5 height=15 border=0 > </td>..." Line: 196 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><STRON..." Line: 200 Column: 1 - 57
"...GN="top"> <IMG SRC="images/pixel.gif" width=10 height=15 border=0 > </td>..." Line: 203 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 209 Column: 1 - 56
"..."center"> <IMG SRC="images/pixel.gif" width=1 height=15 border=0 ><A HRE..." Line: 214 Column: 27 - 145
"...="center"><IMG SRC="images/commended.gif" WIDTH=120 HEIGHT=60 BORDER=0 ALT="Commended Site of Medical Resource Reviews Database"><!--co..." Line: 241 Column: 7 - 183
"...R> <TD><IMG SRC="http://www.optometrists.org/images/navbar_update.gif" USEMAP="#navbar" ALT="Optometrists Network, find a doctor, our sites, links, for parents, contact us" BORDER="0"></TD> ..." Line: 249 Column: 2 - 64
"...R> <TD> <IMG SRC="images/px_clear.gif" WIDTH="6" HEIGHT="1" BORDER="0"> </T..." Line: 276 Column: 6 - 68
"...> <TD><IMG SRC="images/px_clear.gif" WIDTH="6" HEIGHT="1" BORDER="0"></TD><..." Line: 276 Column: 99 - 161
"...LSPAN="4"><IMG SRC="images/px_clear.gif" WIDTH="1" HEIGHT="3" BORDER="0"></TD><..."

A table row was 0 columns wide, which is less than the column count established by the first row (2).

Line: 92 Column: 6 - 5
".../TR> <TR> <TR> <TD..."

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vision3d.com 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.


vision3d.com 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.