pcworld.cz Website Information

Daily Unique Visits: 1,300

Daily Page Views: 2,600

Income Per Day: $8

Estimated Value: $1,920

This website is located in Czech Republic and is using following IP address 83.167.250.183. See the complete list of popular websites hosted in Czech Republic.

pcworld.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.

Website pcworld.cz is using the following name servers:

alfa.ns.active24.cz
beta.ns.active24.cz
gama.ns.active24.sk

and is probably hosted by Master Internet s.r.o.. See the full list of other websites hosted by Master Internet s.r.o..

The highest website pcworld.cz position in Alexa rank database was 24280 and the lowest rank position was 989562. Current position of pcworld.cz in Alexa rank database is 551453.

Desktop speed score of pcworld.cz (54/100) is better than the results of 28.19% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of pcworld.cz (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 pcworld.cz (59/100) is better than the results of 52.41% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

pcworld.cz 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.

pcworld.cz 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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pcworld.cz server information

Servers Location

pcworld.cz desktop page speed rank

Last tested: 2019-01-28

Desktop Speed Bad

54/100

pcworld.cz Desktop Speed Test Quick Summary

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priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 5Minify JavaScript

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priority - 4Leverage browser caching

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pcworld.cz Desktop Resource Breakdown

Total Resources	168
Number of Hosts	36
Static Resources	117
JavaScript Resources	57
CSS Resources	10

pcworld.cz mobile page speed rank

Last tested: 2019-01-28

Mobile Speed Bad

59/100

pcworld.cz Mobile Speed Test Quick Summary

priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 26Avoid landing page redirects

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priority - 1Leverage browser caching

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priority - 1Reduce server response time

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priority - 0Minify HTML

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priority - 0Minify JavaScript

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pcworld.cz Mobile Resource Breakdown

Total Resources	41
Number of Hosts	13
Static Resources	23
JavaScript Resources	12

pcworld.cz mobile page usability

Last tested: 2019-01-28

Mobile Usability Good

98/100

pcworld.cz 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 <a href="/novinky">všechny novinky</a> is close to 1 other tap targets.
The tap target <a href="http://m.bw.cz">Business World.cz</a> and 5 others are close to other tap targets.
The tap target <a href="#top"></a> is close to 1 other tap targets.
The tap target <a href="#top"></a> is close to 1 other tap targets.

priority - 0Configure the viewport

Your page uses an XHTML Mobile doctype declaration, which instructs browsers that your page is optimized for mobile and should render properly on all devices.

pcworld.cz HTML validation

Errors

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

Line: 1 Column: 1 - 109
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html..."

Attribute “xmlns:fb” not allowed here.

Line: 2 Column: 110 - 150
"...rict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="cs" lang="cs" itemscope itemtype="http://schema.org/NewsArticle" xmlns:fb="http://ogp.me/ns/fb#"> <head..."

Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.

Line: 6 Column: 1 - 47
"...utf-8" /> <meta http-equiv="imagetoolbar" content="no" /> <meta..."

Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.

Line: 10 Column: 1 - 68
"...ollow" /> <link rel="alternate" media="handheld" href="http://m.pcworld.cz" /> <meta..."

Bad value “cache-control” for attribute “http-equiv” on element “meta”.

Line: 15 Column: 1 - 65
"...4.png" /> <meta http-equiv="cache-control" content="max-age=900, public" /> <!--h..."

Bad value “bookmark icon” for attribute “rel” on element “link”: The string “bookmark” is not a registered keyword.

Line: 62 Column: 1 - 52
"...n.ico" /> <link rel="bookmark icon" href="/gfx/favicon.ico" /> <link..."

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 236 Column: 66 - 464
"...at:left;"><iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/internet/je-vase-sit-vpn-bezpecna-zkontrolujte-pripadne-trhliny-2-dil-49909&layout=button_count&show_faces=false&width=124&action=like&colorscheme=light&height=21" style="border: medium none; overflow: hidden; width: 124px; height: 21px; " allowtransparency="true" frameborder="0" scrolling="no"></ifra..." Line: 249 Column: 66 - 464
"...at:left;"><iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/internet/je-vase-sit-vpn-bezpecna-zkontrolujte-pripadne-trhliny-1-dil-49908&layout=button_count&show_faces=false&width=124&action=like&colorscheme=light&height=21" style="border: medium none; overflow: hidden; width: 124px; height: 21px; " allowtransparency="true" frameborder="0" scrolling="no"></ifra..." Line: 262 Column: 66 - 455
"...at:left;"><iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/software/stahnete-si-z-facebooku-data-z-vaseho-profilu-2-dil-49914&layout=button_count&show_faces=false&width=124&action=like&colorscheme=light&height=21" style="border: medium none; overflow: hidden; width: 124px; height: 21px; " allowtransparency="true" frameborder="0" scrolling="no"></ifra..." Line: 275 Column: 66 - 455
"...at:left;"><iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/internet/stahnete-si-z-facebooku-data-z-vaseho-profilu-1-dil-49913&layout=button_count&show_faces=false&width=124&action=like&colorscheme=light&height=21" style="border: medium none; overflow: hidden; width: 124px; height: 21px; " allowtransparency="true" frameborder="0" scrolling="no"></ifra..." Line: 288 Column: 66 - 460
"...at:left;"><iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/software/navod-na-pouziti-nastroje-casova-osa-ve-windows-10-4-dil-49903&layout=button_count&show_faces=false&width=124&action=like&colorscheme=light&height=21" style="border: medium none; overflow: hidden; width: 124px; height: 21px; " allowtransparency="true" frameborder="0" scrolling="no"></ifra..." Line: 301 Column: 66 - 460
"...at:left;"><iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/software/navod-na-pouziti-nastroje-casova-osa-ve-windows-10-3-dil-49902&layout=button_count&show_faces=false&width=124&action=like&colorscheme=light&height=21" style="border: medium none; overflow: hidden; width: 124px; height: 21px; " allowtransparency="true" frameborder="0" scrolling="no"></ifra..." Line: 351 Column: 1 - 376
"...like_it"> <iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/internet/paralelni-vesmir-alternativy-k-produktum-googlu-5-49920&layout=button_count&show_faces=false&width=450&action=like&colorscheme=light&height=21" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:450px; height:21px;" allowTransparency="true"></ifra..." Line: 371 Column: 1 - 376
"...like_it"> <iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/internet/paralelni-vesmir-alternativy-k-produktum-googlu-4-49919&layout=button_count&show_faces=false&width=450&action=like&colorscheme=light&height=21" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:450px; height:21px;" allowTransparency="true"></ifra..." Line: 391 Column: 1 - 376
"...like_it"> <iframe src="https://www.facebook.com/plugins/like.php?href=https://pcworld.cz/internet/paralelni-vesmir-alternativy-k-produktum-googlu-3-49918&layout=button_count&show_faces=false&width=450&action=like&colorscheme=light&height=21" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:450px; height:21px;" allowTransparency="true"></ifra..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

No “p” element in scope but a “p” end tag seen.

Line: 237 Column: 205 - 208
"......</span></p> </div..." Line: 250 Column: 205 - 208
"......</span></p> </div..." Line: 263 Column: 95 - 98
"...lu?</span></p> </div..." Line: 276 Column: 95 - 98
"...lu?</span></p> </div..." Line: 289 Column: 146 - 149
"...nu.</span></p> </div..." Line: 302 Column: 146 - 149
"...nu.</span></p> </div..." Line: 353 Column: 1 - 4
"...e> </div> </p> <br c..." Line: 373 Column: 1 - 4
"...e> </div> </p> <br c..." Line: 393 Column: 1 - 4
"...e> </div> </p> <br c..."

Duplicate ID “open_image”.

Line: 254 Column: 1 - 228
"...-49908" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/c8/879c10c024208960d2d855d06ff587.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 1.díl" width="626" height="200" /> </a> ..." Line: 267 Column: 1 - 218
"...-49914" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/e3/dc0b5f4a1d9a127cef78aaf8976043.jpg" alt="Stáhněte si z Facebooku data z vašeho profilu! - 2.díl" width="626" height="200" /> </a> ..." Line: 280 Column: 1 - 218
"...-49913" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/ee/05e66bae9c8a09ee2c0b366277e8fe.jpg" alt="Stáhněte si z Facebooku data z vašeho profilu! - 1.díl" width="626" height="200" /> </a> ..." Line: 293 Column: 1 - 222
"...-49903" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/f0/e43dddcc30f7dee9811061febc6c46.jpg" alt="Návod na použití nástroje Časová osa ve Windows 10 - 4.díl" width="626" height="200" /> </a> ..." Line: 306 Column: 1 - 222
"...-49902" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/38/dbe0a567927a5fcfd710db6614620b.jpg" alt="Návod na použití nástroje Časová osa ve Windows 10 - 3.díl" width="626" height="200" /> </a> ..." Line: 314 Column: 1 - 224
"...- 2.díl"> <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_s/c7/547f92e8d3b507bd3c57c06dc99bb5.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="70" height="70" /> </a><..." Line: 317 Column: 1 - 224
"...- 1.díl"> <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_s/c8/6ba28b974ffc99a26fa861dcdf2d65.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 1.díl" width="70" height="70" /> </a><..." Line: 320 Column: 1 - 214
"...- 2.díl"> <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_s/e6/6507f02af20edec996c5683b875af2.jpg" alt="Stáhněte si z Facebooku data z vašeho profilu! - 2.díl" width="70" height="70" /> </a><..." Line: 323 Column: 1 - 214
"...- 1.díl"> <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_s/62/ddbc539809cbdc3aefb55632e36a56.jpg" alt="Stáhněte si z Facebooku data z vašeho profilu! - 1.díl" width="70" height="70" /> </a><..." Line: 326 Column: 1 - 218
"...- 4.díl"> <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_s/43/637f2ef8604ed122a98891bd3becef.jpg" alt="Návod na použití nástroje Časová osa ve Windows 10 - 4.díl" width="70" height="70" /> </a><..." Line: 329 Column: 1 - 218
"...- 3.díl"> <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_s/a8/dec7e8003e2577005ad1768372cf1d.jpg" alt="Návod na použití nástroje Časová osa ve Windows 10 - 3.díl" width="70" height="70" /> </a><..."

Bad value “maintab_1” for attribute “rel” on element “a”: The string “maintab_1” is not a registered keyword.

Line: 313 Column: 6 - 106
"...bs"> <li ><a href="#" rel="maintab_1" title="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl"> <img ..."

Bad value “maintab_2” for attribute “rel” on element “a”: The string “maintab_2” is not a registered keyword.

Line: 316 Column: 6 - 106
".../li> <li ><a href="#" rel="maintab_2" title="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 1.díl"> <img ..."

Bad value “maintab_3” for attribute “rel” on element “a”: The string “maintab_3” is not a registered keyword.

Line: 319 Column: 6 - 96
".../li> <li ><a href="#" rel="maintab_3" title="Stáhněte si z Facebooku data z vašeho profilu! - 2.díl"> <img ..."

Bad value “maintab_4” for attribute “rel” on element “a”: The string “maintab_4” is not a registered keyword.

Line: 322 Column: 6 - 96
".../li> <li ><a href="#" rel="maintab_4" title="Stáhněte si z Facebooku data z vašeho profilu! - 1.díl"> <img ..."

Bad value “maintab_5” for attribute “rel” on element “a”: The string “maintab_5” is not a registered keyword.

Line: 325 Column: 6 - 100
".../li> <li ><a href="#" rel="maintab_5" title="Návod na použití nástroje Časová osa ve Windows 10 - 4.díl"> <img ..."

Bad value “maintab_6” for attribute “rel” on element “a”: The string “maintab_6” is not a registered keyword.

Line: 328 Column: 6 - 100
".../li> <li ><a href="#" rel="maintab_6" title="Návod na použití nástroje Časová osa ve Windows 10 - 3.díl"> <img ..."

Start tag “a” seen but an element of the same type was already open.

Line: 338 Column: 1 - 94
"...5-49920"> <a href="https://pcworld.cz/internet/paralelni-vesmir-alternativy-k-produktum-googlu-5-49920"> <img ..." Line: 358 Column: 1 - 94
"...4-49919"> <a href="https://pcworld.cz/internet/paralelni-vesmir-alternativy-k-produktum-googlu-4-49919"> <img ..." Line: 378 Column: 1 - 94
"...3-49918"> <a href="https://pcworld.cz/internet/paralelni-vesmir-alternativy-k-produktum-googlu-3-49918"> <img ..."

Stray end tag “a”.

Line: 341 Column: 1 - 4
"..." /> </a> </a> <h3 c..." Line: 361 Column: 1 - 4
"..." /> </a> </a> <h3 c..." Line: 381 Column: 1 - 4
"..." /> </a> </a> <h3 c..." Line: 804 Column: 203 - 206
".../span></a></a></p> <..." Line: 811 Column: 205 - 208
".../span></a></a></p> <..." Line: 818 Column: 216 - 219
".../span></a></a></p> <..." Line: 826 Column: 215 - 218
".../span></a></a></p> <..." Line: 833 Column: 223 - 226
".../span></a></a></p> <..." Line: 840 Column: 215 - 218
".../span></a></a></p> <..."

Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Line: 397 Column: 27 - 29
"...articles"><p> <a hr..."

Bad value “infotab_1” for attribute “rel” on element “a”: The string “infotab_1” is not a registered keyword.

Line: 630 Column: 20 - 47
"...="active"><a href="#" rel="infotab_1">anketa..."

Bad value “infotab_2” for attribute “rel” on element “a”: The string “infotab_2” is not a registered keyword.

Line: 631 Column: 5 - 32
"...</li> <li><a href="#" rel="infotab_2">posled..."

Bad value “infotab_3” for attribute “rel” on element “a”: The string “infotab_3” is not a registered keyword.

Line: 632 Column: 5 - 32
"...</li> <li><a href="#" rel="infotab_3">nejčte..."

Bad value “infotab_5” for attribute “rel” on element “a”: The string “infotab_5” is not a registered keyword.

Line: 633 Column: 25 - 52
"...wsletter"><a href="#" rel="infotab_5">Newsle..."

Duplicate ID “aktualneUrl”.

Line: 695 Column: 1 - 22
"...ss="box"> <div id='aktualneUrl'> <h3>S..."

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

Line: 697 Column: 1 - 62
"...tích</h3> <table width="220" border="0" cellspacing="0" cellpadding="0"> <tr> ..."

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

Line: 697 Column: 1 - 62
"...tích</h3> <table width="220" border="0" cellspacing="0" cellpadding="0"> <tr> ..."

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

Line: 697 Column: 1 - 62
"...tích</h3> <table width="220" border="0" cellspacing="0" cellpadding="0"> <tr> ..."

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

Line: 697 Column: 1 - 62
"...tích</h3> <table width="220" border="0" cellspacing="0" cellpadding="0"> <tr> ..."

Stray end tag “script”.

Line: 842 Column: 63 - 71
"...ll.js">--></script><fb:li..."

Bad element name “fb:like-box”: Code point “U+003A” is not allowed

Line: 842 Column: 72 - 186
"...></script><fb:like-box href="http://www.facebook.com/pcworld.cz" width="300" show_faces="true" stream="false" header="false"></fb:l..."

Warnings

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

The first occurrence of ID “open_image” was here.

Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..." Line: 241 Column: 1 - 228
"...-49909" > <img id="open_image" class="left" src="https://data.pcworld.cz/img/article_title/title_xxl/d4/f4805ca8b22e152c84eb808d8381db.jpg" alt="Je vaše síť VPN bezpečná? Zkontrolujte případné trhliny! - 2.díl" width="626" height="200" /> </a> ..."

The first occurrence of ID “aktualneUrl” was here.

Line: 683 Column: 1 - 22
"...ss="box"> <div id='aktualneUrl'> <h3><..."

Element name “fb:like-box” cannot be represented as XML 1.0.

Line: 842 Column: 72 - 186
"...></script><fb:like-box href="http://www.facebook.com/pcworld.cz" width="300" show_faces="true" stream="false" header="false"></fb:l..."

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pcworld.cz 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.

pcworld.cz 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.

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priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 1Leverage browser caching

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pcworld.cz HTML validation

Errors

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

Attribute “xmlns:fb” not allowed here.

Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.

Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.

Bad value “cache-control” for attribute “http-equiv” on element “meta”.

Bad value “bookmark icon” for attribute “rel” on element “link”: The string “bookmark” is not a registered keyword.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

No “p” element in scope but a “p” end tag seen.

Duplicate ID “open_image”.

Bad value “maintab_1” for attribute “rel” on element “a”: The string “maintab_1” is not a registered keyword.

Bad value “maintab_2” for attribute “rel” on element “a”: The string “maintab_2” is not a registered keyword.

Bad value “maintab_3” for attribute “rel” on element “a”: The string “maintab_3” is not a registered keyword.

Bad value “maintab_4” for attribute “rel” on element “a”: The string “maintab_4” is not a registered keyword.

Bad value “maintab_5” for attribute “rel” on element “a”: The string “maintab_5” is not a registered keyword.

Bad value “maintab_6” for attribute “rel” on element “a”: The string “maintab_6” is not a registered keyword.

Start tag “a” seen but an element of the same type was already open.

Stray end tag “a”.