osadl.org Website Information

Daily Unique Visits: 3,837

Daily Page Views: 15,348

Income Per Day: $43

Estimated Value: $23,220

This website is located in Germany and is using following IP address 62.245.132.105. See the complete list of popular websites hosted in Germany.

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

Website osadl.org is using the following name servers:

dns3.web-alm.net
dns2.web-alm.net
dns.web-alm.net

and is probably hosted by M-net Telekommunikations GmbH. See the full list of other websites hosted by M-net Telekommunikations GmbH.

The highest website osadl.org position in Alexa rank database was 20327 and the lowest rank position was 998300. Current position of osadl.org in Alexa rank database is 327028.

Desktop speed score of osadl.org (42/100) is better than the results of 16.45% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of osadl.org (78/100) is better than the results of 24.79% of other sites and means that the page is not mobile-friendly.

Mobile speed score of osadl.org (31/100) is better than the results of 10.59% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

osadl.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.

osadl.org 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: OSADL.ORG
Registry Domain ID: D105291640-LROR
Registrar WHOIS Server: rdap.routing.net
Registrar URL: http://www.http.net
Updated Date: 2021-12-05T01:22:04Z
Creation Date: 2004-12-04T23:08:46Z
Registry Expiry Date: 2022-12-04T23:08:46Z
Registrar Registration Expiration Date:
Registrar: http.net Internet GmbH
Registrar IANA ID: 976
Registrar Abuse Contact Email: abuse-complaint@http.net
Registrar Abuse Contact Phone: +49.24146314115
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: Open Source Automation Development Lab OSADL eG
Registrant State/Province:
Registrant Country: DE
Name Server: DNS.WEB-ALM.NET
Name Server: DNS.WEB-ALM.CH
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-02-14T11:58:00Z

osadl.org server information

Servers Location

osadl.org desktop page speed rank

Last tested: 2019-01-02

Desktop Speed Bad

42/100

osadl.org Desktop Speed Test Quick Summary

priority - 58Leverage browser caching

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priority - 3Minify CSS

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priority - 2Prioritize visible content

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

49.5KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 1 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.

Only about 65% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

Click to see the screenshot with 2 round trips:

osadl.org Desktop Resource Breakdown

Total Resources	132
Number of Hosts	9
Static Resources	122
JavaScript Resources	12
CSS Resources	13

osadl.org mobile page speed rank

Last tested: 2019-01-02

Mobile Speed Bad

31/100

osadl.org Mobile Speed Test Quick Summary

priority - 87Leverage 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 - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 11 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.osadl.org/typo3temp/javascript_a1cb3a5978.js?1280472584
https://www.osadl.org/custom/setviewportminwidth.js

Optimize CSS Delivery of the following:

priority - 32Enable 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 311.3KiB (72% reduction).

priority - 28Reduce server response time

In our test, your server responded in 2 seconds.

priority - 14Minify 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 132.7KiB (48% reduction).

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priority - 11Optimize images

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

Optimize the following images to reduce their size by 107.6KiB (41% reduction).

priority - 3Minify CSS

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Minify CSS for the following resources to reduce their size by 27.7KiB (34% reduction).

osadl.org Mobile Resource Breakdown

Total Resources	133
Number of Hosts	10
Static Resources	123
JavaScript Resources	12
CSS Resources	13

osadl.org mobile page usability

Last tested: 2019-01-02

Mobile Usability Medium

78/100

osadl.org Mobile Usability Test Quick Summary

priority - 22Size 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 542 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <img src="fileadmin/dam/…string-800.png"> falls outside the viewport.
The element <img src="fileadmin/dam/…linux-logo.gif"> falls outside the viewport.
The element <a href="Map.68.0.html">Map</a> falls outside the viewport.
The element <a href="Login-Subscribe.26.0.html">Login/Subscribe</a> falls outside the viewport.
The element <div id="nav_main">HomeProjectsDownloadsSearch</div> falls outside the viewport.
The element <div class="aktDatum">2019-01-02 - 07:06</div> falls outside the viewport.
The element <a href="Newsletter-Reg…ion.130.0.html">Newsletter Registration</a> falls outside the viewport.
The element <h2>Dates and Events:</h2> falls outside the viewport.
The element <img src="uploads/tx_cal…d-2019_149.png"> falls outside the viewport.
The element <img src="uploads/tx_cal…019_149_01.png"> falls outside the viewport.
The element <img src="typo3temp/pics/bce5880ab4.png"> falls outside the viewport.
The element <a href="Public-Calenda…ler[year]=2019" class="url">Technical Work…tency Fighting</a> falls outside the viewport.
The element <img src="uploads/tx_cal…ADL-149_13.png"> falls outside the viewport.
The element <h2>Breaking News:</h2> falls outside the viewport.
The element <a href="Single-View.11…3e465cf.0.html">2017-09-12 12:00</a> falls outside the viewport.
The element <a href="Single-View.11…3e465cf.0.html">OSADL project…nse checklists</a> falls outside the viewport.
The element <img src="typo3temp/pics/56bfca53c0.png"> falls outside the viewport.
The element <p class="bodytext">Facilitate Ope…tware delivery</p> falls outside the viewport.
The element <hr class="clearer"> falls outside the viewport.
The element <a href="Single-View.11…3e465cf.0.html">[more]</a> falls outside the viewport.
The element <a href="Single-View.11…315dc57.0.html">2016-11-12 12:00</a> falls outside the viewport.
The element <a href="Single-View.11…315dc57.0.html">Raspberry Pi a…eal-time Linux</a> falls outside the viewport.
The element <p class="bodytext">Let's have a l…L QA Farm data</p> falls outside the viewport.
The element <hr class="clearer"> falls outside the viewport.
The element <a href="Single-View.11…315dc57.0.html">[more]</a> falls outside the viewport.
The element <a href="Single-View.11…9e478dc.0.html">2016-10-04 12:00</a> falls outside the viewport.
The element <a href="Single-View.11…9e478dc.0.html">Video clips av…L is all about</a> falls outside the viewport.
The element <img src="typo3temp/pics/63e833cc4b.png"> falls outside the viewport.
The element <p class="bodytext">Watch and like it</p> falls outside the viewport.
The element <hr class="clearer"> falls outside the viewport.
The element <a href="Single-View.11…9e478dc.0.html">[more]</a> falls outside the viewport.
The element <a href="Single-View.11…ebc55e3.0.html">2016-09-17 12:00</a> falls outside the viewport.
The element <a href="Single-View.11…ebc55e3.0.html">Preemption lat…Linux systems</a> falls outside the viewport.
The element <p class="bodytext">How to measure…it's too high?</p> falls outside the viewport.
The element <hr class="clearer"> falls outside the viewport.
The element <a href="Single-View.11…ebc55e3.0.html">[more]</a> falls outside the viewport.
The element <a href="Single-View.11…528d3c9.0.html">2015-12-01 12:00</a> falls outside the viewport.
The element <a href="Single-View.11…528d3c9.0.html">OSADL celebrat…rs anniversary</a> falls outside the viewport.
The element <img src="typo3temp/pics/0ceda7425b.png"> falls outside the viewport.
The element <p class="bodytext">Ready for the next decade</p> falls outside the viewport.
The element <hr class="clearer"> falls outside the viewport.
The element <a href="Single-View.11…528d3c9.0.html">[more]</a> falls outside the viewport.
The element <a href="Single-View.11…95180e5.0.html">2015-10-05 12:00</a> falls outside the viewport.
The element <a href="Single-View.11…95180e5.0.html">Real-time Linux on the go!</a> falls outside the viewport.
The element <img src="typo3temp/pics/3c69b287ed.png"> falls outside the viewport.
The element <p class="bodytext">On its way to mainline ...</p> falls outside the viewport.
The element <hr class="clearer"> falls outside the viewport.
The element <a href="Single-View.11…95180e5.0.html">[more]</a> falls outside the viewport.
The element <a href="Archive.news-archive.0.html">go to Archive -></a> falls outside the viewport.
The element <hr class="hide"> falls outside the viewport.
The element <td id="subsubfooter"></td> falls outside the viewport.
The element <a href="https://www.osadl.org/?id=107">Short link to this page</a> falls outside the viewport.
The element <td id="last_modified">This page was…-08-26 - 15:38</td> falls outside the viewport.
The element <hr class="hide"> falls outside the viewport.

priority - 6Size 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="Home.1.0.html">Home</a> is close to 2 other tap targets.

The tap target <a href="Search.osadl_sitesearch.0.html">Search</a> is close to 1 other tap targets.

The tap target <a href="Home.1.0.html">Home</a> is close to 1 other tap targets.

The tap target <a href="OSADL.107.0.html?&no_cache=1">OSADL</a> is close to 1 other tap targets.

The tap target <a href="Our-vision.osadl-vision.0.html">Our vision</a> and 39 others are close to other tap targets.

The tap target <a href="Members.osadl_members.0.html">Members</a> and 12 others are close to other tap targets.

The tap target <a href="//www.youtube.com/html5">Click here to…t HTML5 video.</a> is close to 1 other tap targets.
The tap target <a id="link" href="https://www.yo…iLwP_n40?rel=0">Direct link</a> is close to 3 other tap targets.
The tap target <input id="languageselector" type="button"> is close to 1 other tap targets.

osadl.org HTML validation

Errors

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

Line: 1 Column: - 2
"...<?xml version="1..."

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

Line: 4 Column: 39 - 63
"...="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."

Bad value “https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M53a03d6b3a9.0.html?&tx_push2rss3ds[channel]=OSADL%20News&tx_push2rss3ds[encoding]=utf” for attribute “href” on element “link”: Illegal character in query: “[” is not allowed.

Line: 36 Column: 1 - 244
"...ndif]--> <link rel="alternate" type="application/rss+xml" title="RSS feed: OSADL News (UTF-8) " href="https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M53a03d6b3a9.0.html?&tx_push2rss3ds[channel]=OSADL%20News&tx_push2rss3ds[encoding]=utf" /> <link..."

Bad value “https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M5c6908f6f27.0.html?&tx_push2rss3ds[channel]=OSADL%20Latest%20Changes&tx_push2rss3ds[encoding]=utf” for attribute “href” on element “link”: Illegal character in query: “[” is not allowed.

Line: 37 Column: 1 - 266
"...]=utf" /> <link rel="alternate" type="application/rss+xml" title="RSS feed: OSADL Latest Changes (UTF-8) " href="https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M5c6908f6f27.0.html?&tx_push2rss3ds[channel]=OSADL%20Latest%20Changes&tx_push2rss3ds[encoding]=utf" /> <link..."

Bad value “https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M5998850e24c.0.html?&tx_push2rss3ds[channel]=OSADL%20News&tx_push2rss3ds[encoding]=iso” for attribute “href” on element “link”: Illegal character in query: “[” is not allowed.

Line: 38 Column: 1 - 249
"...]=utf" /> <link rel="alternate" type="application/rss+xml" title="RSS feed: OSADL News (ISO-8859-1) " href="https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M5998850e24c.0.html?&tx_push2rss3ds[channel]=OSADL%20News&tx_push2rss3ds[encoding]=iso" /> <link..."

Bad value “https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M54242fc63fd.0.html?&tx_push2rss3ds[channel]=OSADL%20Latest%20Changes&tx_push2rss3ds[encoding]=iso” for attribute “href” on element “link”: Illegal character in query: “[” is not allowed.

Line: 39 Column: 1 - 271
"...]=iso" /> <link rel="alternate" type="application/rss+xml" title="RSS feed: OSADL Latest Changes (ISO-8859-1) " href="https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M54242fc63fd.0.html?&tx_push2rss3ds[channel]=OSADL%20Latest%20Changes&tx_push2rss3ds[encoding]=iso" /> <meta..."

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Line: 44 Column: 1 - 51
"...rved." /> <meta http-equiv="content-language" content="en" /> <link..."

Bad value “mailto:info at osadl.org” for attribute “href” on element “link”: Illegal character in scheme data: space is not allowed.

Line: 45 Column: 1 - 51
"...t="en" /> <link rev="made" href="mailto:info at osadl.org" /> <meta..."

Element “link” is missing one or more of the following attributes: “itemprop”, “rel”.

Line: 45 Column: 1 - 51
"...t="en" /> <link rev="made" href="mailto:info at osadl.org" /> <meta..."

The “rev” attribute on the “link” element is obsolete. Use the “rel” attribute instead, with a term having the opposite meaning.

Line: 45 Column: 1 - 51
"...t="en" /> <link rev="made" href="mailto:info at osadl.org" /> <meta..."

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

Line: 46 Column: 1 - 58
"...l.org" /> <meta http-equiv="reply-to" content="info at osadl.org" /> <meta..."

The “scheme” attribute on the “meta” element is obsolete. Use only one scheme per field, or make the scheme declaration part of the value.

Line: 54 Column: 1 - 60
"...rved." /> <meta name="DC.Language" scheme="NISOZ39.50" content="en" /> <meta..."

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

Line: 56 Column: 1 - 77
"...utors" /> <link rel="schema.dc" href="http://purl.org/metadata/dublin_core_elements" /> <sc..."

Bad value “Public-Calendar.214+M5595c89ea6e.0.html?&tx_cal_controller[day]=20&tx_cal_controller[month]=06&tx_cal_controller[year]=2018” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.

Line: 124 Column: 3 - 209
"... <dt> <a href="Public-Calendar.214+M5595c89ea6e.0.html?&tx_cal_controller[day]=20&tx_cal_controller[month]=06&tx_cal_controller[year]=2018" title="OSADL Networking Day 2018" target="_self" class="url"><img s..."

Bad value “Public-Calendar.214+M5b85051f777.0.html?&tx_cal_controller[day]=21&tx_cal_controller[month]=06&tx_cal_controller[year]=2018” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.

Line: 131 Column: 3 - 211
"..."even"> <a href="Public-Calendar.214+M5b85051f777.0.html?&tx_cal_controller[day]=21&tx_cal_controller[month]=06&tx_cal_controller[year]=2018" title="OSADL General Assembly 2018" target="_self" class="url"><img s..."

The “acronym” element is obsolete. Use the “abbr” element instead.

Line: 307 Column: 1690 - 1731
"...rocedure: <acronym title="Non-Disclosure Agreement">NDA</a..." Line: 307 Column: 2452 - 2507
"...ts costs. <acronym title="Open Source Automation Development Lab">OSADL<..." Line: 307 Column: 2625 - 2680
"...her in an <acronym title="Open Source Automation Development Lab">OSADL<..." Line: 307 Column: 2780 - 2835
"... members, <acronym title="Open Source Automation Development Lab">OSADL<..." Line: 307 Column: 3343 - 3398
"...many</a> (<acronym title="Open Source Automation Development Lab">OSADL<..."

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

Line: 322 Column: 1 - 8
"... egg</h1> <center> <ifra..."

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

Line: 323 Column: 1 - 159
"... <center> <iframe id="clip" title="YouTube video player" class="youtube-player" src="https://www.youtube.com/embed/z0MiLwP_n40?rel=0" frameborder="0" allowfullscreen=""></ifra..."

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

Line: 343 Column: 2 - 21
"...egin --> <table width="100%"> <tr..."

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

Line: 345 Column: 7 - 53
"...%"> <tr> <td align="center" colspan="3" id="subsubfooter"><a hre..." Line: 348 Column: 7 - 37
"...tr> <tr> <td align="left" id="footerleft">Access..." Line: 350 Column: 38 - 39
"...nbsp;</td> <td align="right" id="footerright"><i><a ..." Line: 353 Column: 7 - 54
"...tr> <tr> <td align="center" colspan="3" id="last_modified">This p..."

Warnings

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

Line: 80 Column: 76 - 184
"...t="_self"><img src="fileadmin/dam/logos/osadl/OSADL-topleft.png" alt="" title="" border="0" style="max-width: 100%;" /></a></..." Line: 81 Column: 80 - 191
"...t="_self"><img src="fileadmin/dam/logos/osadl/OSADL-string-800.png" alt="" title="" border="0" style="max-width: 100%;" /></a></..." Line: 82 Column: 78 - 177
"...t="_self"><img src="fileadmin/dam/logos/linux-logo.gif" alt="" title="" border="0" style="max-width: 100%;" /></a></..." Line: 124 Column: 210 - 310
"...ass="url"><img src="uploads/tx_cal/pics/OSADL-149_08.png" width="149" height="60" border="0" alt="" title="" /> OSADL..." Line: 131 Column: 212 - 312
"...ass="url"><img src="uploads/tx_cal/pics/OSADL-149_09.png" width="149" height="60" border="0" alt="" title="" /> OSADL..." Line: 149 Column: 129 - 221
"...ecklists"><img src="typo3temp/pics/56bfca53c0.png" width="60" height="24" border="0" alt="" title="" /></a> ..." Line: 160 Column: 107 - 199
"...me Linux"><img src="typo3temp/pics/be1753aa7f.png" width="31" height="40" border="0" alt="" title="" /></a> ..." Line: 171 Column: 131 - 223
"...ll about"><img src="typo3temp/pics/63e833cc4b.png" width="60" height="31" border="0" alt="" title="" /></a> ..." Line: 182 Column: 120 - 212
"... systems"><img src="typo3temp/pics/ba0fce4cbc.png" width="28" height="40" border="0" alt="" title="" /></a> ..." Line: 193 Column: 116 - 208
"...iversary"><img src="typo3temp/pics/0ceda7425b.png" width="60" height="21" border="0" alt="" title="" /></a> ..." Line: 204 Column: 101 - 193
"... the go!"><img src="typo3temp/pics/3c69b287ed.png" width="53" height="40" border="0" alt="" title="" /></a> ..." Line: 227 Column: 260 - 348
"...row-none"><img src="uploads/pics/osadl-icon_d6f11e.gif" width="64" height="42" border="0" alt="" /></div>..." Line: 307 Column: 1154 - 1239
"...ePicture"><img src="typo3temp/pics/8510106629.jpg" width="180" height="180" border="0" alt="" /></a></..." Line: 325 Column: 536 - 645
"...2LinuxMP"><img src="typo3temp/pics/61f7d9abaf.png" width="143" height="143" border="0" alt="Safety Linux SIL2LinuxMP" /></a></..." Line: 326 Column: 150 - 268
"...ssurance"><img src="typo3temp/pics/716ebaae9a.png" width="143" height="145" border="0" alt="Real Time Linux Quality Assurance" /></a></..." Line: 327 Column: 186 - 309
"...ce Check"><img src="typo3temp/pics/28c9e456a6.png" width="143" height="143" border="0" alt="The OSADL Quick Linux Compliance Check" /></a></..." Line: 328 Column: 189 - 304
"...ce Audit"><img src="typo3temp/pics/bd460531ff.png" width="143" height="143" border="0" alt="OSADL License Compliance Audit" /></a></..." Line: 329 Column: 234 - 367
"...over TSN"><img src="uploads/pics/OPC-UA-TSN-Hot-Topic.png" width="143" height="143" border="0" alt="OSADL Project on OPC UA Pub/Sub over TSN" /></a></..."

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

Line: 89 Column: 2 - 38
"...egin --> <a id="navigation" name="navigation"></a> <..." Line: 221 Column: 1 - 31
"...Ende --> <a id="content" name="content"></a> <..."

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

Line: 307 Column: 3797 - 3849
"...-default"><script type="text/javascript" language="javascript"> fun..."

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osadl.org 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.

osadl.org 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.

OSADL.ORG OSADL: OSADL - Open Source Automation Development Lab eG

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osadl.org Desktop Speed Test Quick Summary

priority - 58Leverage 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 - 32Enable 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 311.3KiB (72% reduction).

priority - 19Reduce server response time

In our test, your server responded in 2.1 seconds.

priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 12 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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priority - 14Minify 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 132.7KiB (48% reduction).

priority - 11Optimize images

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Optimize the following images to reduce their size by 107.6KiB (41% reduction).

priority - 3Minify CSS

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Minify CSS for the following resources to reduce their size by 27.7KiB (34% reduction).

priority - 2Prioritize visible content

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

osadl.org Desktop Resource Breakdown

osadl.org mobile page speed rank

osadl.org Mobile Speed Test Quick Summary

priority - 87Leverage 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 - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 11 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 32Enable 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 311.3KiB (72% reduction).

priority - 28Reduce server response time

In our test, your server responded in 2 seconds.

priority - 14Minify 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 132.7KiB (48% reduction).

priority - 11Optimize images

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

Optimize the following images to reduce their size by 107.6KiB (41% reduction).

priority - 3Minify 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 27.7KiB (34% reduction).

osadl.org Mobile Resource Breakdown

osadl.org mobile page usability

osadl.org Mobile Usability Test Quick Summary

priority - 22Size 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 542 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

priority - 6Size 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.

osadl.org HTML validation

Errors

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

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

Bad value “https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M53a03d6b3a9.0.html?&tx_push2rss3ds[channel]=OSADL%20News&tx_push2rss3ds[encoding]=utf” for attribute “href” on element “link”: Illegal character in query: “[” is not allowed.

Bad value “https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M5c6908f6f27.0.html?&tx_push2rss3ds[channel]=OSADL%20Latest%20Changes&tx_push2rss3ds[encoding]=utf” for attribute “href” on element “link”: Illegal character in query: “[” is not allowed.

Bad value “https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M5998850e24c.0.html?&tx_push2rss3ds[channel]=OSADL%20News&tx_push2rss3ds[encoding]=iso” for attribute “href” on element “link”: Illegal character in query: “[” is not allowed.

Bad value “https://www.osadl.org/Mailing-Lists-RSS.mailinglists+M54242fc63fd.0.html?&tx_push2rss3ds[channel]=OSADL%20Latest%20Changes&tx_push2rss3ds[encoding]=iso” for attribute “href” on element “link”: Illegal character in query: “[” is not allowed.

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Bad value “mailto:info at osadl.org” for attribute “href” on element “link”: Illegal character in scheme data: space is not allowed.

Element “link” is missing one or more of the following attributes: “itemprop”, “rel”.

The “rev” attribute on the “link” element is obsolete. Use the “rel” attribute instead, with a term having the opposite meaning.

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

The “scheme” attribute on the “meta” element is obsolete. Use only one scheme per field, or make the scheme declaration part of the value.

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