silesia.pl Website Information

Daily Unique Visits: 918

Daily Page Views: 1,836

Income Per Day: $6

Estimated Value: $1,440

This website is located in Poland and is using following IP address 157.158.3.9. See the complete list of popular websites hosted in Poland.

silesia.pl is registered under .PL top-level domain. Please check other sites in .PL zone.

Website silesia.pl is using the following name servers:

ns1.silweb.pl
ns2.silweb.pl
ns3.silweb.pl

and is probably hosted by Silesian University of Technology, Computer Centre. See the full list of other websites hosted by Silesian University of Technology, Computer Centre.

The highest website silesia.pl position in Alexa rank database was 56687 and the lowest rank position was 999066. Current position of silesia.pl in Alexa rank database is 780816.

Desktop speed score of silesia.pl (24/100) is better than the results of 5.61% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of silesia.pl (59/100) is better than the results of 2.69% of other sites and means that the page is not mobile-friendly.

Mobile speed score of silesia.pl (20/100) is better than the results of 4.48% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

silesia.pl 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.

silesia.pl 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: silesia.pl
registrant type: organization
nameservers: ns1.silweb.pl. [157.158.0.1]
ns2.silweb.pl. [157.158.0.2]
ns3.silweb.pl. [157.158.0.3]
created: 1997.02.14 12:00:00
last modified: 2021.11.08 13:20:15
renewal date: 2022.12.31 13:00:00

option created: 2011.01.15 13:08:13
option expiration date: 2023.01.15 13:08:13

dnssec: Unsigned

REGISTRAR:
OVH SAS
2 Rue Kellermann
59100 Roubaix
Francja/France
+48.717500200
https://www.ovh.pl/abuse/

WHOIS database responses: https://dns.pl/en/whois

WHOIS displays data with a delay not exceeding 15 minutes in relation to the .pl Registry system

silesia.pl server information

Servers Location

silesia.pl desktop page speed rank

Last tested: 2018-11-04

Desktop Speed Bad

24/100

silesia.pl Desktop Speed Test Quick Summary

priority - 293Optimize images

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

Your page has 4 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

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https://www.polsl.pl/_layouts/1033/non_ie.js?rev=y…0Gwa%2FPDNGrqXVg%3D%3D
https://www.polsl.pl/SimplyAccessibleTopMenu/jquery.min.js
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Optimize CSS Delivery of the following:

https://www.polsl.pl/_layouts/1033/styles/HtmlEdit…x33FmoDhbbfB27UA%3D%3D
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https://www.polsl.pl/Style%20Library/en-US/Core%20Styles/pageLayouts.css
https://www.polsl.pl/_layouts/1033/styles/core.css…meONfN6lJ3wtbAlA%3D%3D
https://www.polsl.pl/Style%20Library/PolSlCorePageLayout2014.css
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priority - 3Avoid 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://silesia.pl/
https://www.polsl.pl/en/
https://www.polsl.pl/en/Pages/Welcome.aspx

priority - 2Reduce server response time

In our test, your server responded in 0.45 seconds.

priority - 0Leverage 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.google-analytics.com/analytics.js (2 hours)

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 2.3KiB (32% reduction).

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priority - 0Minify HTML

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Minify HTML for the following resources to reduce their size by 1.6KiB (15% reduction).

Minifying https://www.polsl.pl/en/Pages/Welcome.aspx could save 1.4KiB (14% reduction) after compression.
Minifying https://www.polsl.pl/en/Pages/rotary1.htm could save 227B (23% reduction) after compression.

priority - 0Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 1.6KiB (24% reduction).

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silesia.pl Desktop Resource Breakdown

Total Resources	37
Number of Hosts	3
Static Resources	8
JavaScript Resources	7
CSS Resources	7

silesia.pl mobile page speed rank

Last tested: 2018-11-04

Mobile Speed Bad

20/100

silesia.pl Mobile Speed Test Quick Summary

priority - 293Optimize images

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

Optimize the following images to reduce their size by 2.8MiB (97% reduction).

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 19Reduce server response time

In our test, your server responded in 1.5 seconds.

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://silesia.pl/
https://www.polsl.pl/en/
https://www.polsl.pl/en/Pages/Welcome.aspx

priority - 1Leverage 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.google-analytics.com/analytics.js (2 hours)

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 2.3KiB (32% 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 1.6KiB (15% reduction).

priority - 0Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 1.6KiB (24% reduction).

silesia.pl Mobile Resource Breakdown

Total Resources	37
Number of Hosts	3
Static Resources	8
JavaScript Resources	7
CSS Resources	7

silesia.pl mobile page usability

Last tested: 2018-11-04

Mobile Usability Bad

59/100

silesia.pl 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.

search: renders only 5 pixels tall (13 CSS pixels).

Faculties–Schools renders only 5 pixels tall (12 CSS pixels).

Cooperation and 3 others render only 5 pixels tall (12 CSS pixels).

DB of Experts,…d Technologies and 19 others render only 4 pixels tall (11 CSS pixels).

Welcome to the…of Technology! renders only 7 pixels tall (18 CSS pixels).

News renders only 5 pixels tall (12 CSS pixels).

RSS renders only 5 pixels tall (12 CSS pixels).

13th Internati…ler Technology renders only 5 pixels tall (13 CSS pixels).

On Tuesday, 23…gun. This ... renders only 5 pixels tall (13 CSS pixels).

Professor Anna…of Technology and 4 others render only 4 pixels tall (11 CSS pixels).

Today, at the…Thirty ... and 4 others render only 4 pixels tall (11 CSS pixels).

(more) renders only 4 pixels tall (10 CSS pixels).

Quick links and 1 others render only 5 pixels tall (12 CSS pixels).

Offer for Industry renders only 5 pixels tall (12 CSS pixels).

Admin renders only 3 pixels tall (9 CSS pixels).

Rules for the…of Technology renders only 3 pixels tall (9 CSS pixels).

© Silesian Uni…of Technology renders only 3 pixels tall (9 CSS pixels).

priority - 12Size 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="/"></a> is close to 1 other tap targets.
The tap target <a href="/"></a> is close to 1 other tap targets.
The tap target <a id="ctl00_SearchBoxEx1_go" href="javascript:SFE088F_Submit()"></a> is close to 3 other tap targets.

The tap target <a href="https://www.po…s/Welcome.aspx">Home</a> and 20 others are close to other tap targets.

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

The tap target <a href="/_layouts/list…6-7A359EA59114"></a> is close to 1 other tap targets.

The tap target <a href="/en/_layouts/l…6-7A359EA59114">RSS</a> is close to 1 other tap targets.

The tap target <a href="https://www.po…ter1Value2=118">On Tuesday, 23…gun. This ...</a> and 2 others are close to other tap targets.

The tap target <a href="https://www.po…ter1Value2=117">New collaborat…sity from Iraq</a> and 4 others are close to other tap targets.

The tap target <a href="https://www.po…ter1Value2=117">On 19 October…randum of ...</a> and 10 others are close to other tap targets.

The tap target <a href="http://citt.po…entrepreneurs/">Offer for Industry</a> is close to 1 other tap targets.

The tap target <a href="https://www.po…/Projekty.aspx"></a> and 1 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.

priority - 10Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,029 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <img id="ctl00_ImgGB1" src="/Style Library/Images/pl.jpg"> falls outside the viewport.
The element <input id="ctl00_SearchBo…_InputKeywords" type="text" name="InputKeywords" class="ms-sbplain"> falls outside the viewport.
The element <img src="/Style%20Libra…/gosearch2.png"> falls outside the viewport.
The element <td class="ms-sbLastcell"> falls outside the viewport.
The element <div id="headerBar2DropDownMenu">Faculties–Scho…Authorities</div> falls outside the viewport.
The element <div class="mainRightMenuCategory">Quick links</div> falls outside the viewport.
The element <a href="http://incoming.polsl.pl">International…hange students</a> falls outside the viewport.
The element <td class="rowSeparator"></td> falls outside the viewport.
The element <tr>DB of Experts,…d Technologies</tr> falls outside the viewport.
The element <div class="mainRightMenuCategory">Media</div> falls outside the viewport.
The element <a href="https://www.in…chnika_slaska/">Instagram</a> falls outside the viewport.
The element <td class="rowSeparator"></td> falls outside the viewport.
The element <a href="https://www.yo…technikaSlaska">YouTube</a> falls outside the viewport.
The element <div class="mainRightMenuCategory">Offer for Industry</div> falls outside the viewport.
The element <img src="https://www.po…/admission.jpg"> falls outside the viewport.
The element <img src="https://www.po…wy_ranking.jpg"> falls outside the viewport.
The element <img src="https://www.po…Events/zd2.jpg"> falls outside the viewport.
The element <img src="https://www.po…sevier_ang.jpg"> falls outside the viewport.
The element <img src="https://www.po…ogo-hr-ang.jpg"> falls outside the viewport.
The element <img src="https://www.po…cimago_ang.jpg"> falls outside the viewport.
The element <a id="ctl00_adminLink" href="/en/_layouts/sitemanager.aspx">Admin</a> falls outside the viewport.
The element <span>Rules for the…of Technology</span> falls outside the viewport.

silesia.pl HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 2 Column: 1 - 102
"... <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html..."

Attribute “__expr-val-dir” not allowed on element “html” at this point.

Line: 3 Column: 103 - 47
"...oose.dtd"> <html __expr-val-dir="ltr" lang="pl" dir="ltr"> <hea..."

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 4 Column: 157 - 217
"...ePoint" /><meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" /><meta ..."

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

Line: 4 Column: 287 - 327
"...=utf-8" /><meta http-equiv="Expires" content="0" /> <!-- ..."

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

Line: 252 Column: 2 - 45
"...eStyle"> <table class="mainTemplateTable" border="0"> <tr ..." Line: 281 Column: 11 - 98
"... <table border="0" cellpadding="0" cellspacing="0" style="float:right; margin-top:20px;"> <tr> ..." Line: 287 Column: 1 - 92
"...middle;"> <table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%" style="width:175px"> <tr>..." Line: 290 Column: 4 - 54
"...5px;"> <table class="ms-sbtable ms-sbtable-ex" border="0"> <..." Line: 386 Column: 2 - 45
"...</table> <table class="mainTemplateTable" border="0"> ..." Line: 394 Column: 1 - 63
"..."top"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 396 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 410 Column: 2 - 74
"...op"> <table id="MSO_ContentTable" cellpadding="10" cellspacing="0" border="0"> ..." Line: 422 Column: 2 - 64
"...table> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 424 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 452 Column: 2 - 64
"..."top"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 454 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 550 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 556 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 568 Column: 2 - 45
".../table> <table class="mainTemplateTable" border="0"> <tr ..."

Bad value “/Style Library/Images/polsl_logo_en.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 256 Column: 6 - 179
"...en"> <img src="/Style Library/Images/polsl_logo_en.png" id="ctl00_logoImg2" alt="Silesian University of Technology logo" usemap="#mainLogo" class="logoImg" style="width: 372px" /> <!..."

Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).

Line: 268 Column: - 19
"... <!-- <img src="/Sit..."

Bad value “/Style Library/Images/pl.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “1” for attribute “border” on element “img”: Only “0” is a permitted zero literal.

The “clear” attribute on the “br” element is obsolete. Use CSS instead.

Line: 274 Column: 15 - 34
"... </a><br clear="right" /> ..."

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

Line: 281 Column: 11 - 98
"... <table border="0" cellpadding="0" cellspacing="0" style="float:right; margin-top:20px;"> <tr> ..." Line: 287 Column: 1 - 92
"...middle;"> <table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%" style="width:175px"> <tr>..." Line: 394 Column: 1 - 63
"..."top"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 396 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 398 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..." Line: 410 Column: 2 - 74
"...op"> <table id="MSO_ContentTable" cellpadding="10" cellspacing="0" border="0"> ..." Line: 422 Column: 2 - 64
"...table> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 424 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 426 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..." Line: 452 Column: 2 - 64
"..."top"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 454 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 456 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..." Line: 550 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 556 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 558 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..."

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

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

Line: 287 Column: 1 - 92
"...middle;"> <table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%" style="width:175px"> <tr>..." Line: 396 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 424 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 454 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 550 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 556 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..."

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

Line: 287 Column: 1 - 92
"...middle;"> <table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%" style="width:175px"> <tr>..." Line: 394 Column: 1 - 63
"..."top"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 396 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 422 Column: 2 - 64
"...table> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 424 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 452 Column: 2 - 64
"..."top"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr>..." Line: 454 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 550 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..." Line: 556 Column: 49 - 120
"...ign="top"><table TOPLEVEL border="0" cellpadding="0" cellspacing="0" width="100%"> <t..."

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

Line: 289 Column: 6 - 19
"...px"> <tr> <td valign="top"><div W..." Line: 392 Column: 44 - 57
"...ceholder"> <td id="mainLeftColumn" class="noBorders" valign="top"> <t..." Line: 396 Column: 6 - 48
"..."0"> <tr> <td id="MSOZoneCell_WebPartWPQ4" vAlign="top"><table..." Line: 398 Column: 8 - 21
"..."> <tr> <td valign="top"><div W..." Line: 398 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..." Line: 406 Column: 8 - 59
"... </td> <td id="mainCenterColumn" class="noBorders" valign="top"> ..." Line: 424 Column: 6 - 48
"..."0"> <tr> <td id="MSOZoneCell_WebPartWPQ5" vAlign="top"><table..." Line: 426 Column: 8 - 21
"..."> <tr> <td valign="top"><div W..." Line: 426 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..." Line: 449 Column: 8 - 41
"... </td> <td id="mainRightColumn" valign="top"> <t..." Line: 454 Column: 6 - 48
"..."0"> <tr> <td id="MSOZoneCell_WebPartWPQ2" vAlign="top"><table..." Line: 456 Column: 8 - 21
"..."> <tr> <td valign="top"><div W..." Line: 456 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"> ..." Line: 550 Column: 11 - 48
"... </tr><tr> <td id="MSOZoneCell_WebPartWPQ6" vAlign="top"><table..." Line: 552 Column: 8 - 21
"..."> <tr> <td valign="top"><div W..." Line: 556 Column: 11 - 48
"... </tr><tr> <td id="MSOZoneCell_WebPartWPQ3" vAlign="top"><table..." Line: 558 Column: 8 - 21
"..."> <tr> <td valign="top"><div W..." Line: 558 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..."

Attribute “webpartid” not allowed on element “div” at this point.

Line: 289 Column: 20 - 168
"...ign="top"><div WebPartID="00000000-0000-0000-0000-000000000000" HasPers="true" id="WebPartWPQ1" OnlyForMePart="true" allowDelete="false" style="width:175px;" ><div i..." Line: 398 Column: 22 - 169
"...ign="top"><div WebPartID="46ead7ce-b09c-43ba-8011-1c940c784c67" HasPers="false" id="WebPartWPQ4" width="100%" class="ms-WPBody" allowDelete="false" style="" ><table..." Line: 426 Column: 22 - 169
"...ign="top"><div WebPartID="41bcfa51-f29e-4900-bd95-3c0b551f2b4e" HasPers="false" id="WebPartWPQ5" width="100%" class="ms-WPBody" allowDelete="false" style="" ><table..." Line: 456 Column: 22 - 169
"...ign="top"><div WebPartID="6caf04b5-517e-4165-bf1a-f5845cbf4cb7" HasPers="false" id="WebPartWPQ2" width="100%" class="ms-WPBody" allowDelete="false" style="" ><table..." Line: 552 Column: 22 - 169
"...ign="top"><div WebPartID="f7eef79b-6f94-4232-a51c-b5c81702a8d2" HasPers="false" id="WebPartWPQ6" width="100%" class="ms-WPBody" allowDelete="false" style="" ><div c..." Line: 558 Column: 22 - 169
"...ign="top"><div WebPartID="f07cf231-a1a5-4a09-8fa1-a3bda53e9d9f" HasPers="false" id="WebPartWPQ3" width="100%" class="ms-WPBody" allowDelete="false" style="" ><table..."

Attribute “haspers” not allowed on element “div” at this point.

Attribute “onlyformepart” not allowed on element “div” at this point.

Attribute “allowdelete” not allowed on element “div” at this point.

Attribute “alt” not allowed on element “input” at this point.

Line: 292 Column: 28 - 293
"...s-sbcell"><input name="ctl00$SearchBoxEx1$InputKeywords" type="text" maxlength="200" id="ctl00_SearchBoxEx1_InputKeywords" accesskey="S" title="Enter search words" class="ms-sbplain" alt="Enter search words" onkeypress="javascript:return OSBEK(event);" style="width:150px;" /></td><..."

Attribute “width” not allowed on element “div” at this point.

Line: 398 Column: 22 - 169
"...ign="top"><div WebPartID="46ead7ce-b09c-43ba-8011-1c940c784c67" HasPers="false" id="WebPartWPQ4" width="100%" class="ms-WPBody" allowDelete="false" style="" ><table..." Line: 426 Column: 22 - 169
"...ign="top"><div WebPartID="41bcfa51-f29e-4900-bd95-3c0b551f2b4e" HasPers="false" id="WebPartWPQ5" width="100%" class="ms-WPBody" allowDelete="false" style="" ><table..." Line: 456 Column: 22 - 169
"...ign="top"><div WebPartID="6caf04b5-517e-4165-bf1a-f5845cbf4cb7" HasPers="false" id="WebPartWPQ2" width="100%" class="ms-WPBody" allowDelete="false" style="" ><table..." Line: 552 Column: 22 - 169
"...ign="top"><div WebPartID="f7eef79b-6f94-4232-a51c-b5c81702a8d2" HasPers="false" id="WebPartWPQ6" width="100%" class="ms-WPBody" allowDelete="false" style="" ><div c..." Line: 558 Column: 22 - 169
"...ign="top"><div WebPartID="f07cf231-a1a5-4a09-8fa1-a3bda53e9d9f" HasPers="false" id="WebPartWPQ3" width="100%" class="ms-WPBody" allowDelete="false" style="" ><table..."

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

Line: 398 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..." Line: 426 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..." Line: 456 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"> ..." Line: 558 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..."

Attribute “xmlns:ddwrt” not allowed here.

Line: 398 Column: 290 - 391
"...ign="top"><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 510 - 611
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 739 - 840
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 965 - 1066
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 1197 - 1298
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 1445 - 1546
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 1680 - 1781
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 1923 - 2024
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 2161 - 2262
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 2429 - 2530
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 2687 - 2788
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 2945 - 3046
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 398 Column: 3217 - 3318
"...</a></div><div class="mainLeftMenuItem" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><a hre..." Line: 426 Column: 290 - 443
"...ign="top"><div class="mainCenterColumnCategory" style="margin-left:10px; margin-right:0px;" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><div c..." Line: 426 Column: 1048 - 1222
"...div></div><div style="vertical-align:top; float:left; margin-right:30px; margin-left:10px; margin-bottom:10px; " xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><img a..." Line: 426 Column: 1331 - 1406
"...id"></div><br xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><div s..." Line: 426 Column: 1407 - 1509
".../runtime"><div style="font-size:larger;" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><ul st..." Line: 428 Column: 41 - 126
".../ul></div><div style="" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><ul st..." Line: 430 Column: 41 - 126
".../ul></div><div style="" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><ul st..." Line: 433 Column: 41 - 126
".../ul></div><div style="" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><ul st..." Line: 435 Column: 41 - 126
".../ul></div><div style="" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><ul st..." Line: 437 Column: 41 - 126
".../ul></div><div style="" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><ul st..." Line: 558 Column: 290 - 388
"...ign="top"><div class="webPartBanner" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><div c..." Line: 558 Column: 705 - 803
"...div></div><div class="webPartBanner" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><div c..." Line: 558 Column: 1187 - 1285
"...div></div><div class="webPartBanner" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><div c..." Line: 558 Column: 1670 - 1768
"...div></div><div class="webPartBanner" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><div c..." Line: 558 Column: 2167 - 2265
"...div></div><div class="webPartBanner" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><div c..." Line: 558 Column: 2687 - 2785
"...div></div><div class="webPartBanner" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"><div c..."

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

Line: 415 Column: 106 - 139
"...y:inline"><font color="#666666" face=Tahoma><br><s..." Line: 415 Column: 152 - 164
"...r><strong><font size=3>Welcom..." Line: 552 Column: 272 - 291
"...eneurs/"> <font color="white">Offer ..."

Duplicate ID “cbqwp”.

Line: 426 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..." Line: 456 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..." Line: 558 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..."

Duplicate ID “column”.

Line: 426 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..." Line: 456 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"> ..." Line: 558 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..."

Attribute “valign” not allowed on element “img” at this point.

Line: 426 Column: 664 - 868
"...e to RSS"><img src="/SiteCollectionImages/rss2.gif" border="0" width="16" height="16" hspace="0" vspace="0" style="vertical-align:bottom; margin-right:5px; margin-bottom:2px;" alt="Subscribe to RSS" valign="middle"></a><a..."

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

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

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

Line: 439 Column: 35 - 81
"...</li></ul><div align="right" style="margin-right:10px; "><a sty..."

Duplicate ID “footer”.

Line: 441 Column: 21 - 37
"...div></div><div id="footer"></div>..." Line: 546 Column: 5 - 21
"...> <div id="footer"></div>..." Line: 558 Column: 3137 - 3153
"...div></div><div id="footer"></div>..."

Table columns in range 4…5 established by element “td” have no cells beginning in them.

Line: 492 Column: 11 - 47
"... <tr><td colspan="5" class="rowSeparator"> ..."

End tag “a” violates nesting rules.

Line: 552 Column: 310 - 313
"...r Industry</a></font..."

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

Line: 552 Column: 314 - 320
"...dustry</a></font></div>..."

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

Line: 558 Column: 510 - 688
"...polsl.pl"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/Admission1.jpg" alt="Admission 2017/2018" title="Admission 2017/2018"></a></..." Line: 558 Column: 983 - 1170
"...ngs.aspx"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/Perspektywy_ranking.jpg" alt="Perspektywy Ranking" title="Perspektywy Ranking"></a></..." Line: 558 Column: 1486 - 1653
"...kty.aspx"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/zd2.jpg" alt="European projects" title="European projects"></a></..." Line: 558 Column: 1964 - 2150
"...#awards2"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/elsevier_ang.jpg" alt="ELSEVIER Awards Poland" title="ELSEVIER Awards Poland"></a></..." Line: 558 Column: 2461 - 2670
"...#awards1"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/logo-hr-ang.jpg" alt="Podtytul HR Excellence in Research" title="Podtytul HR Excellence in Research"></a></..." Line: 558 Column: 2965 - 3120
"...ngs.aspx"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/scimago_ang.jpg" alt="SCIMAGO" title="SCIMAGO"></a></..."

Element “script” must not have attribute “defer” unless attribute “src” is also specified.

Line: 727 Column: 1 - 59
"...</script> <script type="text/javascript" language="JavaScript" defer> <!-- ..."

Warnings

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

Line: 18 Column: 1 - 119
"...</script> <script type="text/javascript" language="javascript" src="/_layouts/1033/non_ie.js?rev=yfNry4hY0Gwa%2FPDNGrqXVg%3D%3D"></scri..." Line: 225 Column: 61 - 113
"...;</script><script type="text/JavaScript" language="JavaScript"> <!-- ..." Line: 727 Column: 1 - 59
"...</script> <script type="text/javascript" language="JavaScript" defer> <!-- ..." Line: 731 Column: 10 - 63
"... </script><script type="text/javascript" language="JavaScript" > // ap..." Line: 759 Column: 10 - 124
"... </script><script type="text/javascript" language="javascript" src="/_layouts/1033/core.js?rev=mHKsOQ0iU3Q5jdm9OZNDdg%3D%3D"></scri..." Line: 760 Column: 1 - 121
"...</script> <script type="text/javascript" language="javascript" src="/_layouts/1033/search.js?rev=yqBjpvg%2Foi3KG5XVf%2FStmA%3D%3D"></scri..."

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

Line: 268 Column: - 19
"... <!-- <img src="/Sit..."

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

Line: 272 Column: 11 - 179
"... <img src="/Style Library/Images/pl.jpg" id="ctl00_ImgGB1" alt="English" style="width:36px; height:18px; margin-top:5px; margin-left:5px; border-width:1px;" border="1" /> ..." Line: 426 Column: 664 - 868
"...e to RSS"><img src="/SiteCollectionImages/rss2.gif" border="0" width="16" height="16" hspace="0" vspace="0" style="vertical-align:bottom; margin-right:5px; margin-bottom:2px;" alt="Subscribe to RSS" valign="middle"></a><a..." Line: 426 Column: 1223 - 1324
".../runtime"><img alt="" border=0 src="/en/Gallery/french-flag-2695008_640.jpg" width=200 style="border:0px solid"></div>..." Line: 558 Column: 510 - 688
"...polsl.pl"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/Admission1.jpg" alt="Admission 2017/2018" title="Admission 2017/2018"></a></..." Line: 558 Column: 983 - 1170
"...ngs.aspx"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/Perspektywy_ranking.jpg" alt="Perspektywy Ranking" title="Perspektywy Ranking"></a></..." Line: 558 Column: 1486 - 1653
"...kty.aspx"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/zd2.jpg" alt="European projects" title="European projects"></a></..." Line: 558 Column: 1964 - 2150
"...#awards2"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/elsevier_ang.jpg" alt="ELSEVIER Awards Poland" title="ELSEVIER Awards Poland"></a></..." Line: 558 Column: 2461 - 2670
"...#awards1"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/logo-hr-ang.jpg" alt="Podtytul HR Excellence in Research" title="Podtytul HR Excellence in Research"></a></..." Line: 558 Column: 2965 - 3120
"...ngs.aspx"><img style="width:255px;border: 0px black none;" border="0" align="left" src="https://www.polsl.pl/en/Events/scimago_ang.jpg" alt="SCIMAGO" title="SCIMAGO"></a></..."

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

The first occurrence of ID “cbqwp” was here.

Line: 398 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..." Line: 398 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..." Line: 398 Column: 170 - 243
"...style="" ><table id="cbqwp" cellspacing="0" cellpadding="0" class="cbq-layout-main"><tr><t..."

The first occurrence of ID “column” was here.

Line: 398 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..." Line: 398 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..." Line: 398 Column: 248 - 289
"...main"><tr><td id="column" width="100%" valign="top"><div c..."

The first occurrence of ID “footer” was here.

Line: 398 Column: 3440 - 3456
"...</a></div><div id="footer"></div>..." Line: 398 Column: 3440 - 3456
"...</a></div><div id="footer"></div>..." Line: 398 Column: 3440 - 3456
"...</a></div><div id="footer"></div>..."

A table row was 5 columns wide and exceeded the column count established by the first row (3).

Line: 492 Column: 59 - 63
"...nbsp;</td></tr> ..." Line: 517 Column: 59 - 63
"...nbsp;</td></tr> ..."

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silesia.pl Ping

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silesia.pl 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.

SILESIA.PL Silesian University of Technology

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priority - 293Optimize images

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

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priority - 3Avoid landing page redirects

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priority - 2Reduce server response time

In our test, your server responded in 0.45 seconds.

priority - 0Leverage 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:

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 2.3KiB (32% reduction).

priority - 0Minify HTML

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Minify HTML for the following resources to reduce their size by 1.6KiB (15% reduction).

priority - 0Minify JavaScript

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priority - 293Optimize images

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

Optimize the following images to reduce their size by 2.8MiB (97% reduction).

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 19Reduce server response time

In our test, your server responded in 1.5 seconds.

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.

priority - 1Leverage 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:

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 2.3KiB (32% 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 1.6KiB (15% reduction).

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silesia.pl HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Attribute “__expr-val-dir” not allowed on element “html” at this point.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

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