physicsmasterclasses.org Website Information

Daily Unique Visits: 4,625

Daily Page Views: 18,500

Income Per Day: $52

Estimated Value: $28,080

This website is located in Germany and is using following IP address 141.76.17.57. See the complete list of popular websites hosted in Germany.

physicsmasterclasses.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.

Website physicsmasterclasses.org is using the following name servers:

dns-1.dfn.de
adns1.zih.tu-dresden.de
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dns-3.dfn.de

and is probably hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.. See the full list of other websites hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V..

The highest website physicsmasterclasses.org position in Alexa rank database was 32849 and the lowest rank position was 995946. Current position of physicsmasterclasses.org in Alexa rank database is 271313.

Desktop speed score of physicsmasterclasses.org (75/100) is better than the results of 59.78% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of physicsmasterclasses.org (64/100) is better than the results of 11.2% of other sites and means that the page is not mobile-friendly.

Mobile speed score of physicsmasterclasses.org (73/100) is better than the results of 81.47% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

physicsmasterclasses.org 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.

physicsmasterclasses.org whois

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Domain Name: physicsmasterclasses.org
Registry Domain ID: 20cee2efd813453ba4f32fb32f7b78f9-LROR
Registrar WHOIS Server: http://whois.corehub.net
Registrar URL: http://www.corehub.net
Updated Date: 2021-11-22T01:23:04Z
Creation Date: 2006-11-21T14:08:07Z
Registry Expiry Date: 2022-11-21T14:08:07Z
Registrar: Corehub, S.R.L
Registrar IANA ID: 15
Registrar Abuse Contact Email: abuse@corehub.net
Registrar Abuse Contact Phone: +34.935275235
Domain Status: ok https://icann.org/epp#ok
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Name Server: adns1.zih.tu-dresden.de
Name Server: adns2.zih.tu-dresden.de
Name Server: dns-1.dfn.de
Name Server: dns-3.dfn.de
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-09-20T00:11:22Z

physicsmasterclasses.org server information

Servers Location

physicsmasterclasses.org desktop page speed rank

Last tested: 2019-02-12

Desktop Speed Medium

75/100

physicsmasterclasses.org Desktop Speed Test Quick Summary

priority - 11Leverage browser caching

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https://physicsmasterclasses.org/css/styles.css (expiration not specified)
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https://physicsmasterclasses.org/js/jquery.js (expiration not specified)
https://physicsmasterclasses.org/js/tabs.js (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)

priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

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priority - 8Enable compression

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priority - 0Minify HTML

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priority - 0Minify CSS

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priority - 0Minify JavaScript

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physicsmasterclasses.org Desktop Resource Breakdown

Total Resources	37
Number of Hosts	7
Static Resources	27
JavaScript Resources	8
CSS Resources	2

physicsmasterclasses.org mobile page speed rank

Last tested: 2019-02-12

Mobile Speed Medium

73/100

physicsmasterclasses.org Mobile Speed Test Quick Summary

priority - 16Leverage 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.

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priority - 8Enable 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 79.2KiB (65% reduction).

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

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

Optimize CSS Delivery of the following:

https://physicsmasterclasses.org/css/styles.css

priority - 2Optimize images

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

Optimize the following images to reduce their size by 19.2KiB (45% 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 4.3KiB (32% reduction).

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priority - 0Minify CSS

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priority - 0Minify JavaScript

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physicsmasterclasses.org Mobile Resource Breakdown

Total Resources	38
Number of Hosts	8
Static Resources	28
JavaScript Resources	8
CSS Resources	2

physicsmasterclasses.org mobile page usability

Last tested: 2019-02-12

Mobile Usability Bad

64/100

physicsmasterclasses.org Mobile Usability Test Quick Summary

priority - 38Use 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.

Institutes and Physicists and 16 others render only 5 pixels tall (14 CSS pixels).

International…erclasses 2019 and 1 others render only 5 pixels tall (14 CSS pixels).

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

come to one of…results. See and 14 others render only 5 pixels tall (14 CSS pixels).

US National Science Foundation and 11 others render only 5 pixels tall (14 CSS pixels).

International…erclasses 2019 renders only 5 pixels tall (14 CSS pixels).

Discover the w…with real data renders only 7 pixels tall (17 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).

are organized…Group (IPPOG) and 7 others render only 5 pixels tall (14 CSS pixels).

International Masterclasses renders only 7 pixels tall (17 CSS pixels).

Legal Notice renders only 5 pixels tall (12 CSS pixels).

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 - 9Size 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="index.php" class="navilink">Home</a> and 12 others are close to other tap targets.

The tap target <a href="https://www.fa…14950505201581"></a> and 1 others are close to other tap targets.

The tap target <a href="http://quarknet.fnal.gov/" class="external_link">QuarkNet Notre Dame</a> and 7 others are close to other tap targets.

The tap target <a href="index.php?cat=legal_notice">Legal Notice</a> is close to 1 other tap targets.

physicsmasterclasses.org HTML validation

Errors

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

Line: 2 Column: 1 - 121
"... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."

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

Line: 22 Column: 2 - 81
"..."> </a> <table align="center" cellpadding="0" cellspacing="0" border="0" id="container"> <tr>..."

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

Line: 22 Column: 2 - 81
"..."> </a> <table align="center" cellpadding="0" cellspacing="0" border="0" id="container"> <tr>..." Line: 88 Column: 4 - 94
"...cell"> <table cellpadding="0" cellspacing="0" width="100%" border="0" style="position:relative;" > <tr> ..."

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

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

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

Line: 33 Column: 38 - 21
"...</td></tr> <tr valign="top"> ..."

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

Line: 72 Column: 2 - 173
"..._badge"> <a href="https://www.facebook.com/pages/International-Particle-Physics-Masterclasses/114950505201581" alt="find us on facebook" title="find us on facebook" target="_blank"><img s..." Line: 75 Column: 2 - 112
"..._badge"> <a href="https://twitter.com/physicsimc" alt="twitter @physicsIMC" title="twitter @physicsIMC" target="_blank"><img s..."

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

Line: 72 Column: 174 - 237
"...="_blank"><img src="/img/logos/badge_facebook.png" style="border: 0px;" /></a> <..." Line: 75 Column: 113 - 175
"...="_blank"><img src="/img/logos/badge_twitter.png" style="border: 0px;" /></a> <..." Line: 91 Column: 5 - 63
"...top"> <img src="img/logos/swirl_only_green_new.png" border="0" /> </td>..."

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

Line: 78 Column: 1 - 18
"...iv> <br/> <div align="left"> </d..."

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

Line: 88 Column: 4 - 94
"...cell"> <table cellpadding="0" cellspacing="0" width="100%" border="0" style="position:relative;" > <tr> ..."

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

Line: 90 Column: 5 - 28
"...e;" > <tr> <td width="55" valign="top"> <..." Line: 93 Column: 6 - 16
"..." /> </td> <td width="725"> ..."

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

Line: 90 Column: 5 - 28
"...e;" > <tr> <td width="55" valign="top"> <..."

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

Line: 100 Column: 5 - 56
"...</tr> <tr> <td colspan="2" align="justify" id="flashoverlayanchor"> <a i..." Line: 123 Column: 6 - 46
"...ble> <tr> <td style="min-width:384px;" align="center"> <if..."

Stray end tag “a”.

Line: 115 Column: 155 - 158
"...a coverage</a>.</p> ..."

Stray end tag “b”.

Line: 116 Column: 81 - 84
"...- 8.4.2020</b>. </p>..."

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

Line: 124 Column: 3 - 195
"...enter"> <iframe width="384" height="216" src="https://www.youtube.com/embed/Lm3irM8f5OI" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></ifra..."

Stray end tag “td”.

Line: 131 Column: - 7
"...--> </td> </td> <td..."

Table column 3 established by element “td” has no cells beginning in it.

Line: 132 Column: 8 - 18
"... </td> <td colspan="2"> <u..."

Warnings

The “type” attribute for the “style” element is not needed and should be omitted.

Line: 8 Column: 1 - 38
"... icon" /> <style type="text/css" media="screen">.prezi..."

The “type” attribute is unnecessary for JavaScript resources.

Line: 12 Column: 1 - 50
"...s.css" /> <script type="text/javascript" src="js/jquery.js"></scri..." Line: 13 Column: 1 - 51
"...</script> <script type="text/javascript" src="js/general.js"></scri..." Line: 14 Column: 1 - 48
"...</script> <script type="text/javascript" src="js/tabs.js"></scri..."

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

Line: 20 Column: 1 - 35
"... <body> <a name="top" href="#" title="top"> </a> ..."

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

Line: 91 Column: 5 - 63
"...top"> <img src="img/logos/swirl_only_green_new.png" border="0" /> </td>..." Line: 198 Column: 72 - 150
"...nal link"><img src="img/logos/TU-Dresden.png" border="0" alt="TU Dresden" height="40" /></a> ..." Line: 199 Column: 79 - 153
"...nal link"><img src="img/logos/quarknet.png" border="0" alt="Quarknet" height="80" /></a> ..." Line: 200 Column: 72 - 155
"...nal link"><img src="img/logos/vidyo-at-cern.jpg" border="0" alt="Vidyo at CERN" height="65" /></a> ..." Line: 201 Column: 81 - 155
"...nal link"><img src="img/logos/fermilab.png" border="0" alt="Fermilab" height="70" /></a> ..." Line: 202 Column: 70 - 128
"...nal link"><img src="img/logos/logo_cern.gif" border="0" alt="CERN" /></a> ..." Line: 203 Column: 89 - 206
"...nal link"><img src="img/logos/eps-hepp.png" border="0" alt="High-Energy and Particle Physics Division - EPS HEPP" height="70" /></a> ..." Line: 204 Column: 70 - 158
"...nal link"><img src="img/logos/nsf.png" border="0" alt="National Science Foundation" height="80" /></a> ..." Line: 205 Column: 69 - 150
"...nal link"><img src="img/logos/doe.png" border="0" alt="Department of Energy" height="70" /></a> ..."

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

Line: 3 Column: 122 - 43
"...onal.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head..."

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PHYSICSMASTERCLASSES.ORG International Masterclasses - hands on particle physics

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