sidc.be Website Information

Daily Unique Visits: 12,264

Daily Page Views: 61,320

Income Per Day: $153

Estimated Value: $91,800

This website is located in Belgium and is using following IP address 193.190.230.16. See the complete list of popular websites hosted in Belgium.

sidc.be is registered under .BE top-level domain. Please check other sites in .BE zone.

Website sidc.be is using the following name servers:

ns.oma.be
ns3.oma.be
ns2.oma.be

and is probably hosted by BELNET. See the full list of other websites hosted by BELNET.

The highest website sidc.be position in Alexa rank database was 62191 and the lowest rank position was 999820. Current position of sidc.be in Alexa rank database is 111099.

Desktop speed score of sidc.be (56/100) is better than the results of 30.56% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of sidc.be (58/100) is better than the results of 1.7% of other sites and means that the page is not mobile-friendly.

Mobile speed score of sidc.be (54/100) is better than the results of 41.82% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

sidc.be 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.

sidc.be 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.

% .be Whois Server 6.1
%
% The WHOIS service offered by DNS Belgium and the access to the records in the DNS Belgium
% WHOIS database are provided for information purposes only. It allows
% persons 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.
%
% DNS Belgium cannot, under any circumstances, be held liable where the stored
% information would prove to be incomplete or inaccurate in any sense.
%
% By submitting a query you agree not to use the information made available
% to:
% - allow, enable or otherwise support the transmission of unsolicited,
% commercial advertising or other solicitations whether via email or otherwise;
% - target advertising in any possible way;
% - to cause nuisance in any possible way to the domain name holders by sending
% messages to them (whether by automated, electronic processes capable of
% enabling high volumes or other possible means).
%
% Without prejudice to the above, it is explicitly forbidden to extract, copy
% and/or use or re-utilise in any form and by any means (electronically or
% not) the whole or a quantitatively or qualitatively substantial part
% of the contents of the WHOIS database without prior and explicit permission
% by DNS Belgium, nor in any attempt thereof, to apply automated, electronic
% processes to DNS Belgium (or its systems).
%
% You agree that any reproduction and/or transmission of data for commercial
% purposes will always be considered as the extraction of a substantial
% part of the content of the WHOIS database.
%
% By submitting the query you agree to abide by this policy and accept that
% DNS Belgium can take measures to limit the use of its whois services in order to
% protect the privacy of its registrants or the integrity of the database.
%

Domain: sidc.be
Status: NOT AVAILABLE
Registered: Tue Aug 30 2005

Registrant:
Not shown, please visit www.dnsbelgium.be for webbased whois.

Registrar Technical Contacts:
Organisation: BELNET
Language: en
Phone: +32.27903333

Organisation: BELNET
Language: en
Phone: +32.27903333

Registrar:
Name: BELNET
Website: https://domains.belnet.be

Nameservers:
ns.oma.be
ns3.oma.be
ns2.oma.be

Keys:

Flags:

Please visit www.dnsbelgium.be for more info.

sidc.be server information

Servers Location

sidc.be desktop page speed rank

Last tested: 2019-07-06

Desktop Speed Bad

56/100

sidc.be Desktop Speed Test Quick Summary

priority - 74Optimize images

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

Optimize the following images to reduce their size by 721.9KiB (94% reduction).

Compressing and resizing http://proba2.sidc.be/swap/data/qlviewer/SWAPlatestHighQuality.jpg could save 534.9KiB (99% reduction).
Compressing and resizing http://sidc.be/humain/data/callisto/qkl/2019/07/06…IN_20190706_104501.png could save 159.2KiB (87% reduction).
Compressing and resizing http://sidc.be/silso/DATA/EISN/EISNcurrent.png?t=1562411726 could save 27KiB (77% reduction).
Compressing and resizing http://proba2.sidc.be/lyra/data/3DayQuicklook/LyraCalSWClatest.png could save 844B (12% reduction).

priority - 7Leverage 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 - 4Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://sidc.be/current/banner.js
http://sidc.be/webfiles/win.js
http://sidc.be/webfiles/overlib.js

Optimize CSS Delivery of the following:

http://sidc.be/webfiles/vertical-menu.css
http://sidc.be/webfiles/newshover.css
http://sidc.be/webfiles/style.css
http://sidc.be/webfiles/style-home.css

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 3.9KiB (44% reduction).

Minifying http://sidc.be/webfiles/overlib.js could save 3.9KiB (44% reduction) after compression.

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 848B (21% reduction).

Minifying http://sidc.be/ could save 848B (21% reduction) after compression.

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 575B (34% reduction).

Minifying http://sidc.be/webfiles/style.css could save 282B (29% reduction) after compression.
Minifying http://sidc.be/webfiles/vertical-menu.css could save 190B (35% reduction) after compression.
Minifying http://sidc.be/webfiles/style-home.css could save 103B (62% reduction) after compression.

sidc.be Desktop Resource Breakdown

Total Resources	15
Number of Hosts	2
Static Resources	13
JavaScript Resources	3
CSS Resources	4

sidc.be mobile page speed rank

Last tested: 2017-11-30

Mobile Speed Bad

54/100

sidc.be Mobile Speed Test Quick Summary

priority - 62Optimize images

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

Optimize the following images to reduce their size by 602.3KiB (73% reduction).

Compressing and resizing http://proba2.sidc.be/swap/data/qlviewer/SWAPlatestHighQuality.jpg could save 523.5KiB (99% reduction).
Compressing http://sidc.be/humain/data/callisto/qkl/2017/11/30…IN_20171130_154501.png could save 27.9KiB (15% reduction).
Compressing http://sidc.be/esww5/images/logoESWWcolor_small.jpg could save 25.1KiB (77% reduction).
Compressing http://sidc.be/silso/DATA/EISN/EISNcurrent.png?t=1512082252 could save 12.4KiB (30% reduction).
Compressing http://www.stce.be/sites/default/files/styles/thum…ogoESWWcolor_small.jpg could save 10KiB (84% reduction).
Compressing http://www.stce.be/images/classroom_logo_small_v2.png could save 3.4KiB (25% reduction).

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

Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://sidc.be/current/banner.js
http://sidc.be/webfiles/win.js
http://sidc.be/webfiles/overlib.js

Optimize CSS Delivery of the following:

http://sidc.be/webfiles/vertical-menu.css
http://sidc.be/webfiles/newshover.css
http://sidc.be/webfiles/style.css
http://sidc.be/webfiles/style-home.css

priority - 14Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://proba2.sidc.be/lyra/data/3DayQuicklook/LyraCalSWClatest.png (expiration not specified)
http://proba2.sidc.be/swap/data/qlviewer/SWAPlatestHighQuality.jpg (expiration not specified)
http://sidc.be/current/banner.js (expiration not specified)
http://sidc.be/esww5/images/logoESWWcolor_small.jpg (expiration not specified)
http://sidc.be/esww8/images/swsc.png (expiration not specified)
http://sidc.be/humain/data/callisto/qkl/2017/11/30…IN_20171130_154501.png (expiration not specified)
http://sidc.be/uset/getLastHA.php (expiration not specified)
http://sidc.be/webfiles/bannertext-trans.gif (expiration not specified)
http://sidc.be/webfiles/newlogo.gif (expiration not specified)
http://sidc.be/webfiles/newshover.css (expiration not specified)
http://sidc.be/webfiles/overlib.js (expiration not specified)
http://sidc.be/webfiles/style-home.css (expiration not specified)
http://sidc.be/webfiles/style.css (expiration not specified)
http://sidc.be/webfiles/vertical-menu.css (expiration not specified)
http://sidc.be/webfiles/win.js (expiration not specified)
http://www.stce.be/images/classroom_logo_small_v2.png (expiration not specified)
http://www.stce.be/sites/default/files/styles/thum…ogoESWWcolor_small.jpg (expiration not specified)
http://www.stce.be/sites/default/files/styles/thum…ield/image/staff_1.png (expiration not specified)

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 3.9KiB (44% reduction).

Minifying http://sidc.be/webfiles/overlib.js could save 3.9KiB (44% reduction) after compression.

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 1.5KiB (28% reduction).

Minifying http://sidc.be/ could save 1.5KiB (28% reduction) after compression.

sidc.be Mobile Resource Breakdown

Total Resources	20
Number of Hosts	3
Static Resources	18
JavaScript Resources	3
CSS Resources	4

sidc.be mobile page usability

Last tested: 2017-11-30

Mobile Usability Bad

58/100

sidc.be 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.

Local Solar Observations and 12 others render only 5 pixels tall (12 CSS pixels).

Welcome to the…department of and 2 others render only 5 pixels tall (14 CSS pixels).

ISES Regional…enter Brussels and 1 others render only 5 pixels tall (14 CSS pixels).

INFO FROM SIDC…ctive episode. renders only 5 pixels tall (12 CSS pixels).

Daily estimated sunspot number and 4 others render only 5 pixels tall (12 CSS pixels).

Most recent alerts and 3 others render only 7 pixels tall (18 CSS pixels).

A halo or part…aracteristics: and 15 others render only 5 pixels tall (12 CSS pixels).

PROBA2: Eighth…Investigators and 14 others render only 5 pixels tall (12 CSS pixels).

click here for…nce highlights and 1 others render only 5 pixels tall (12 CSS pixels).

priority - 17Size 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">Home</a> and 15 others are close to other tap targets.

The tap target <a href="http://www.observatory.be">the Royal Obse…ory of Belgium</a> and 3 others are close to other tap targets.

The tap target <a href="products/cactus">[more]</a> and 12 others are close to other tap targets.

The tap target <a href="http://www.stce.be/news">click here for…nce highlights</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 - 9Size 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 1,028 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <div class="intro">Welcome to the…r forecasting.</div> falls outside the viewport.
The element <b>Latest LYRA curve</b> falls outside the viewport.
The element <img src="http://proba2.…lSWClatest.png"> falls outside the viewport.
The element <b>Latest Callisto Observations</b> falls outside the viewport.
The element <img src="/humain/data/c…130_154501.png"> falls outside the viewport.
The element <b>Daily estimated sunspot number</b> falls outside the viewport.
The element <img src="/silso/DATA/EI…g?t=1512082252"> falls outside the viewport.
The element <p>2017 Nov 14 09…ncrease [more]</p> falls outside the viewport.
The element <p>2017 Nov 07 07…he SIDC [more]</p> falls outside the viewport.
The element <p>2017 Sep 17 19…istics: [more]</p> falls outside the viewport.
The element <p>2017 Sep 10 16…16:06UT [more]</p> falls outside the viewport.
The element <div class="news">Science Highli…Breaking news</div> falls outside the viewport.

sidc.be HTML validation

Errors

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

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

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: 5 Column: 1 - 61
"...e" /> --> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> <meta..."

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Line: 6 Column: 1 - 84
"...teIE7" /> <meta http-equiv="content-type" content="application/xhtml+xml; charset=iso-8859-1"></meta..."

Bad value “application/xhtml+xml; charset=iso-8859-1” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.

Line: 6 Column: 1 - 84
"...teIE7" /> <meta http-equiv="content-type" content="application/xhtml+xml; charset=iso-8859-1"></meta..."

Stray end tag “meta”.

Line: 6 Column: 85 - 91
"...o-8859-1"></meta> <titl..." Line: 8 Column: 40 - 46
"...ent="..."></meta> <!--..."

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

Line: 112 Column: 2 - 9
"...="left"> <center><a hre..." Line: 117 Column: 2 - 9
"...s="top"> <center> <img..." Line: 124 Column: 2 - 9
"...="bann"> <center> <for..."

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

Line: 118 Column: 2 - 64
"...<center> <img vspace="20" src="/webfiles/bannertext-trans.gif" alt="" /> </ce..."

Bad value “” for attribute “action” on element “form”: Must be non-empty.

Line: 125 Column: 2 - 88
"...<center> <form method="post" enctype="application/x-www-form-urlencoded" name="form1" action=""> <inp..."

Bad value “mailto:anne.vandersyppe@sidc.be?subject=contact from website” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Line: 163 Column: 17 - 87
"... <li><a href="mailto:anne.vandersyppe@sidc.be?subject=contact from website">Contac..."

Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.

Line: 182 Column: 17 - 50
"... <li><a href="/affects/" target="_new">AFFECT..." Line: 183 Column: 11 - 54
"... <li><a href="http://bold.oma.be/" target="_new">BOLD</..." Line: 185 Column: 17 - 60
"... <li><a href="http://eui.sidc.be/" target="_new">EUI</a..." Line: 187 Column: 17 - 63
"... <li><a href="http://proba2.sidc.be/" target="_new">PROBA2..." Line: 188 Column: 11 - 68
"... <li><a href="http://proba2.sidc.be/about/LYRA/" target="_new">LYRA</..." Line: 189 Column: 11 - 68
"... <li><a href="http://proba2.sidc.be/about/SWAP/" target="_new">SWAP</..." Line: 190 Column: 8 - 54
"...i> <li><a href="http://wissdom.oma.be/" target="_new">SDO</a..." Line: 192 Column: 8 - 57
"...i> <li><a href="http://sol.oma.be/SECCHI/" target="_new">SECCHI..." Line: 193 Column: 8 - 57
"...i> <li><a href="http://www.sidc.be/silso/" target="_new">SILSO<..."

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

Line: 257 Column: 3 - 7
".../ul>--> </li> </ul..."

End tag “br”.

Line: 333 Column: 5 - 9
".../ul> <br></br> <!-- ..."

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

Line: 344 Column: 1 - 24
"..."main"> <table cellpadding="10"> <tr> ..." Line: 463 Column: 1 - 35
"..."news"> <table cellpadding="10" border="0"> <tr> ..."

Table column 2 established by element “td” has no cells beginning in it.

Line: 346 Column: 5 - 17
"..."10"> <tr> <td colspan="2"> <div..."

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

Line: 369 Column: 5 - 30
"...able> <tr> <td valign="top" width="56%"> ..." Line: 406 Column: 7 - 57
"...--> </td> <td align="center" valign="top" width="17%" rowspan="2"> <div..." Line: 419 Column: 7 - 57
"...iv> </td> <td align="center" valign="top" width="17%" rowspan="2"> <div..." Line: 442 Column: 5 - 30
"...able> <tr> <td valign="top" width="55%"> ..." Line: 465 Column: 5 - 30
"...="0"> <tr> <td valign="top" width="65%"> ..." Line: 470 Column: 10 - 35
"... </td> <td align="right" valign="top"> ..." Line: 485 Column: 10 - 35
"... </td> <td align="right" valign="top"> ..."

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

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

Line: 370 Column: 10 - 13
"... </p> ..."

Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.

Line: 398 Column: - 44
"...ed (K Dourbes < 4), with a cha..."

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

Line: 406 Column: 7 - 57
"...--> </td> <td align="center" valign="top" width="17%" rowspan="2"> <div..." Line: 419 Column: 7 - 57
"...iv> </td> <td align="center" valign="top" width="17%" rowspan="2"> <div..." Line: 470 Column: 10 - 35
"... </td> <td align="right" valign="top"> ..." Line: 485 Column: 10 - 35
"... </td> <td align="right" valign="top"> ..."

Table cell spans past the end of its row group established by a “tbody” element; clipped to the end of the row group.

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

Line: 444 Column: 12 - 27
"... <b><font size="+1">Most r..." Line: 466 Column: 8 - 23
"...> <b><font size="+1">Scienc..." Line: 474 Column: 11 - 26
"... <b><font size="+1">Press<..." Line: 480 Column: 20 - 35
"...r><br><b> <font size="+1">Good t..."

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

Line: 463 Column: 1 - 35
"..."news"> <table cellpadding="10" border="0"> <tr> ..."

Warnings

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

Line: 17 Column: 2 - 79
"...ATION--> <script language="JavaScript" src="/current/banner.js" type="text/javascript"></scri..." Line: 20 Column: 2 - 77
"...ript --> <script language="JavaScript" src="/webfiles/win.js" type="text/javascript"></scri..." Line: 23 Column: 2 - 81
"...srup --> <script language="JavaScript" src="/webfiles/overlib.js" type="text/javascript"></scri..." Line: 26 Column: 1 - 53
"...alid) --> <script language="JavaScript" type="text/javascript"> if(w..." Line: 40 Column: 1 - 30
"...(0)"> --> <script language="JavaScript"> //Pi..."

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

Line: 112 Column: 46 - 110
"...atory.be"><img height="85" src="/webfiles/newlogo.gif" border="0" alt="" /></a></..." Line: 328 Column: 63 - 163
"...="_blank"><img border=0 src="http://www.stce.be/images/classroom_logo_small_v2.png" width="80" alt="Classroom"></a></..." Line: 410 Column: 77 - 204
"...ovie.mp4"><img border="0" src="http://proba2.sidc.be/swap/data/qlviewer/SWAPlatestHighQuality.jpg" height="128" alt="SWAP latest image" /></a> ..." Line: 414 Column: 19 - 106
"...="/uset/"><img border="0" src="/uset/getLastHA.php" height="128" alt="USET latest Halpha image" /></a> ..." Line: 423 Column: 79 - 206
"...test.png"><img border="0" src="http://proba2.sidc.be/lyra/data/3DayQuicklook/LyraCalSWClatest.png" height="128" alt="Latest LYRA Curves"/></a> ..." Line: 428 Column: 2 - 135
"...me.php"> <img border="0" src="/humain/data/callisto/qkl/2018/06/03/HUMAIN_20180603_101501.png" height="128" alt="Latest HUMAIN Callisto qkl" /><br />..." Line: 433 Column: 23 - 116
"..."/silso/"><img border="0" src="/silso/DATA/EISN/EISNcurrent.png?t=1528022829" height="128" alt="EISN" /></a> ..."

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

Line: 334 Column: - 38
"... on 20140509 ---> </div> <..."

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sidc.be 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.

sidc.be 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.

SIDC.BE SIDC -- Solar Influences Data Analysis Center | SIDC

sidc.be Website Information

Advertisement

sidc.be Alexa Rank

sidc.be whois

sidc.be server information

Servers Location

sidc.be desktop page speed rank

sidc.be Desktop Speed Test Quick Summary

priority - 74Optimize images

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

Optimize the following images to reduce their size by 721.9KiB (94% reduction).

priority - 7Leverage 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 - 4Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

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 3.9KiB (44% 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 848B (21% reduction).

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 575B (34% reduction).

sidc.be Desktop Resource Breakdown

sidc.be mobile page speed rank

sidc.be Mobile Speed Test Quick Summary

priority - 62Optimize images

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

Optimize the following images to reduce their size by 602.3KiB (73% reduction).

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

Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 14Leverage 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 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 3.9KiB (44% 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 1.5KiB (28% reduction).

sidc.be Mobile Resource Breakdown

sidc.be mobile page usability

sidc.be 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.

priority - 17Size 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.

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 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 1,028 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

sidc.be HTML validation

Errors

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

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

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Bad value “application/xhtml+xml; charset=iso-8859-1” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.

Stray end tag “meta”.

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

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

Bad value “” for attribute “action” on element “form”: Must be non-empty.

Bad value “mailto:anne.vandersyppe@sidc.be?subject=contact from website” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.

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

End tag “br”.

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

Table column 2 established by element “td” has no cells beginning in it.

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

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

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

Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.