arup.com Website Information

Daily Unique Visits: 213,846

Daily Page Views: 1,710,768

Income Per Day: $1,711

Estimated Value: $1,847,880

This website is located in United Kingdom and is using following IP address 148.253.139.35. See the complete list of popular websites hosted in United Kingdom.

arup.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website arup.com is using the following name servers:

ns2.arupnet.com
ns1.arupnet.com
ns5.arupnet.com
ns0.arupnet.com
ns3.arupnet.com
ns4.arupnet.com

and is probably hosted by GTT Communications Inc.. See the full list of other websites hosted by GTT Communications Inc..

The highest website arup.com position in Alexa rank database was 6981 and the lowest rank position was 7704. Current position of arup.com in Alexa rank database is 7126.

Desktop speed score of arup.com (40/100) is better than the results of 14.88% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of arup.com (70/100) is better than the results of 21.03% of other sites and means that the page is not mobile-friendly.

Mobile speed score of arup.com (37/100) is better than the results of 15.74% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

arup.com 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.

arup.com 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: ARUP.COM
Registry Domain ID: 1708942_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.comlaude.com
Registrar URL: http://www.comlaude.com
Updated Date: 2020-09-12T00:10:49Z
Creation Date: 1994-09-23T04:00:00Z
Registry Expiry Date: 2021-09-22T04:00:00Z
Registrar: Nom-iq Ltd. dba COM LAUDE
Registrar IANA ID: 470
Registrar Abuse Contact Email: abuse@comlaude.com
Registrar Abuse Contact Phone: +44.2074218250
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS-1341.AWSDNS-39.ORG
Name Server: NS-1549.AWSDNS-01.CO.UK
Name Server: NS-193.AWSDNS-24.COM
Name Server: NS-570.AWSDNS-07.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-01T00:22:09Z

arup.com server information

Servers Location

arup.com desktop page speed rank

Last tested: 2017-05-28

Desktop Speed Bad

40/100

arup.com Desktop Speed Test Quick Summary

priority - 148Optimize images

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

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Compressing http://www.arup.com/assets/images/search-btn.png could save 1.1KiB (67% reduction).
Compressing http://www.arup.com/assets/images/bodystrip.jpg could save 1KiB (77% reduction).
Compressing http://www.arup.com/assets/images/presentation/logo.png could save 852B (33% reduction).

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

Your page has 7 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.arup.com/assets/scripts/jquery-1.3.1.min.js
http://www.arup.com/assets/scripts/jquery.easing.js
http://www.arup.com/assets/scripts/jquery.flash.js
http://www.arup.com/assets/scripts/swfobject.js
http://www.arup.com/assets/scripts/fn_combined.js
http://www.arup.com/assets/scripts/global.js?v=1.37.6164.28724
http://www.arup.com/assets/scripts/cookiebar.min.js

Optimize CSS Delivery of the following:

http://www.arup.com/assets/styles/styles.css
http://www.arup.com/assets/styles/style.css
http://www.arup.com/assets/styles/custom.css?v=1.37.6164.28724

priority - 4Minify 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 34.3KiB (43% reduction).

Minifying http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.js could save 27.3KiB (45% reduction) after compression.
Minifying http://www.arup.com/assets/scripts/global.js?v=1.37.6164.28724 could save 1.8KiB (35% reduction) after compression.
Minifying http://www.arup.com/assets/scripts/jquery.flash.js could save 1.7KiB (54% reduction) after compression.
Minifying http://www.arup.com/assets/scripts/fn_combined.js could save 1.4KiB (21% reduction) after compression.
Minifying http://www.arup.com/assets/scripts/jquery.easing.js could save 1.1KiB (57% reduction) after compression.
Minifying http://www.arup.com/assets/scripts/jquery.easing-1.3.js could save 1,018B (53% reduction) after compression.

priority - 2Leverage 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://api.usemessages.com/messages/v2/embed/394129.js (expiration not specified)
https://snap.licdn.com/li.lms-analytics/insight.min.js (expiration not specified)
http://js.hs-analytics.net/analytics/1495971900000/394129.js (5 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-PNKLCK (15 minutes)
http://www.google-analytics.com/ga.js (2 hours)

priority - 1Minify 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 9.6KiB (20% reduction).

Minifying http://www.arup.com/assets/styles/style.css could save 6.2KiB (21% reduction) after compression.
Minifying http://www.arup.com/assets/styles/custom.css?v=1.37.6164.28724 could save 1.8KiB (16% reduction) after compression.
Minifying http://www.arup.com/assets/styles/layoutPrint.css could save 963B (20% reduction) after compression.
Minifying http://www.arup.com/assets/styles/typography.css could save 778B (20% reduction) after compression.

arup.com Desktop Resource Breakdown

Total Resources	57
Number of Hosts	16
Static Resources	45
JavaScript Resources	17
CSS Resources	8

arup.com mobile page speed rank

Last tested: 2017-05-18

Mobile Speed Bad

37/100

arup.com Mobile Speed Test Quick Summary

priority - 148Optimize images

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

Optimize the following images to reduce their size by 1.4MiB (72% reduction).

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

Your page has 7 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

http://www.arup.com/assets/styles/styles.css
http://www.arup.com/assets/styles/style.css
http://www.arup.com/assets/styles/custom.css?v=1.37.6164.28724

priority - 4Leverage 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://api.usemessages.com/messages/v2/embed/394129.js (expiration not specified)
https://snap.licdn.com/li.lms-analytics/insight.min.js (expiration not specified)
http://js.hs-analytics.net/analytics/1495155600000/394129.js (5 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-PNKLCK (15 minutes)
http://www.google-analytics.com/ga.js (2 hours)

priority - 4Minify 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 34.3KiB (43% reduction).

priority - 1Minify 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 9.6KiB (20% reduction).

arup.com Mobile Resource Breakdown

Total Resources	56
Number of Hosts	16
Static Resources	45
JavaScript Resources	17
CSS Resources	8

arup.com mobile page usability

Last tested: 2017-05-18

Mobile Usability Medium

70/100

arup.com Mobile Usability Test Quick Summary

priority - 28Use 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.

Cookies - renders only 5 pixels tall (12 CSS pixels).

We use cookies…, please click and 1 others render only 5 pixels tall (12 CSS pixels).

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

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

Global home renders only 5 pixels tall (14 CSS pixels).

Publications and 2 others render only 5 pixels tall (14 CSS pixels).

Contact renders only 5 pixels tall (14 CSS pixels).

Locations and 6 others render only 8 pixels tall (20 CSS pixels).

We are an inde…in the world. renders only 7 pixels tall (18 CSS pixels).

Discover how T…erything we do renders only 7 pixels tall (18 CSS pixels).

Read More renders only 5 pixels tall (14 CSS pixels).

The Science Mu…ficially opens and 5 others render only 8 pixels tall (20 CSS pixels).

The Science Mu…modern world. and 5 others render only 6 pixels tall (16 CSS pixels).

Read more and 5 others render only 6 pixels tall (16 CSS pixels).

Legal notices…very statement and 4 others render only 5 pixels tall (14 CSS pixels).

© Arup 2017 renders only 5 pixels tall (14 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 - 3Size 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 <input id="ctl01_btnSiteSearch" type="submit" name="ctl01$btnSiteSearch" class="submitImage"> is close to 1 other tap targets.

The tap target <a href="#"> is close to 1 other tap targets.

The tap target <a href="http://annualreport.arup.com/" class="hero-link"></a> and 1 others are close to other tap targets.

The tap target <a href="/news?sc_lang=en-gb">News</a> and 5 others are close to other tap targets.

The tap target <a href="https://www.li…m/company/arup" class="linked">Follow Arup on LinkedIN</a> is close to 2 other tap targets.

The tap target <a href="http://twitter.com/arupgroup" class="twit">Follow Arup on Twitter</a> is close to 3 other tap targets.

The tap target <a href="http://facebook.com/arupgroup" class="fb">Follow Arup on Facebook</a> is close to 3 other tap targets.

The tap target <a href="/News/Feeds/RSS_Feed.aspx" class="rssfeed">RSS News Feed</a> is close to 2 other tap targets.

The tap target <a href="http://publications.arup.com/">Publications</a> and 1 others are close to other tap targets.

arup.com HTML validation

Errors

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: 15 Column: 5 - 66
"...f-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <..."

Bad value “navigation” for attribute “role” on element “header”.

Line: 89 Column: 5 - 54
".../div> <header class="header" role="navigation" style=""> ..."

“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.

Line: 640 Column: - 248
"...rtnersinc.jpg?h=650&w=1140..." Line: 640 Column: - 258
"...jpg?h=650&w=1140&hash=..." Line: 640 Column: - 272
"...w=1140&hash=7595179359C038..."

Bad value “button” for attribute “role” on element “li”.

Line: 817 Column: 9 - 88
"...> <li id="nav__search" tabindex="0" role="button" class="nav__search list__icon "><a dat..."

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

Line: 1252 Column: 21 - 267
"... <img src="/-/media/arup/images/home/video_stills/shaping_better_world_placeholder.jpg?h=5&la=en&mw=10&w=10&hash=AFF9F5B30281278C3DB98D1FD5033000D3A318C6" class="vidImg tempImg" alt="" width="10" height="5" DisableWebEdit="False" /> ..." Line: 1253 Column: 21 - 267
"... <img src="/-/media/arup/images/home/video_stills/shaping_better_world_placeholder.jpg?h=1080&la=en&w=1980&hash=28FC37C8B4B983B6D616D710B0B80579BD64E373" class="vidImg mainImg" alt="" width="1980" height="1080" DisableWebEdit="False" /> ..." Line: 1270 Column: 21 - 236
"... <img src="/-/media/arup/images/home/stadium.jpg?h=6&la=en&mw=10&w=10&hash=887D407A787B29CD0B1E2F46281436AE770F4433" class="vidImg tempImg" alt="stadium" width="10" height="6" DisableWebEdit="False" /> ..." Line: 1271 Column: 21 - 236
"... <img src="/-/media/arup/images/home/stadium.jpg?h=1077&la=en&w=1920&hash=79A004B4CDFCFB90BB11B54135DFFFA7A8F5B16B" class="vidImg mainImg" alt="stadium" width="1920" height="1077" DisableWebEdit="False" /> ..." Line: 1292 Column: 21 - 281
"... <img src="/-/media/arup/images/home/ove-clouds-homepage-1920x1077.jpg?h=6&la=en&mw=10&w=10&hash=A118BEF8E167B2E225FE812FB13E265FB976D433" class="vidImg tempImg" alt="Ove Arup black and white photo" width="10" height="6" DisableWebEdit="False" /> ..." Line: 1293 Column: 21 - 281
"... <img src="/-/media/arup/images/home/ove-clouds-homepage-1920x1077.jpg?h=1077&la=en&w=1920&hash=09077A4A05834920F71484251851FC88D27B2C11" class="vidImg mainImg" alt="Ove Arup black and white photo" width="1920" height="1077" DisableWebEdit="False" /> ..." Line: 1314 Column: 21 - 236
"... <img src="/-/media/arup/images/home/sydneyhq.jpg?h=6&la=en&mw=10&w=10&hash=7A13D5C0FFF869BCFA1A2EA35941B7A426E8ACDF" class="vidImg tempImg" alt="sydney" width="10" height="6" DisableWebEdit="False" /> ..." Line: 1315 Column: 21 - 236
"... <img src="/-/media/arup/images/home/sydneyhq.jpg?h=1063&la=en&w=1914&hash=063F761E1770B1DCCB3CA62011467E69E58C98D9" class="vidImg mainImg" alt="sydney" width="1914" height="1063" DisableWebEdit="False" /> ..." Line: 1336 Column: 21 - 252
"... <img src="/-/media/arup/images/home/video_stills/london.jpg?h=5&la=en&mw=10&w=10&hash=A63BC6124E260B6A0F1FC115184CFBA8FAF80265" class="vidImg tempImg" alt="The Gherkin" width="10" height="5" DisableWebEdit="False" /> ..." Line: 1337 Column: 21 - 252
"... <img src="/-/media/arup/images/home/video_stills/london.jpg?h=1080&la=en&w=1980&hash=04422542140DF0FD7EFEFE6D034BFEFF53B3D9CD" class="vidImg mainImg" alt="The Gherkin" width="1980" height="1080" DisableWebEdit="False" /> ..." Line: 1548 Column: 17 - 337
"... <img src="/-/media/arup/images/perspectives/themes/cities/cities-alive/rethinking-the-shades-of-night/header/featured_perspective_home.jpg?h=6&la=en&mw=10&w=10&hash=D422EAE0480EA63F63E8CA69264C5E7914BD8CE8" class="tempImg" alt="climate change in our cities" width="10" height="6" DisableWebEdit="False" /> ..." Line: 1549 Column: 17 - 337
"... <img src="/-/media/arup/images/perspectives/themes/cities/cities-alive/rethinking-the-shades-of-night/header/featured_perspective_home.jpg?h=1125&la=en&w=2000&hash=E49C473218B4807272D188E8FF7C0C906BE4FD59" class="mainImg" alt="climate change in our cities" width="2000" height="1125" DisableWebEdit="False" /> ..." Line: 1564 Column: 17 - 223
"... <img src="/-/media/arup/images/home/bridge.png?h=6&la=en&mw=10&w=10&hash=579B03D68E6E3DFCD1156A2B7C6B262D8EDAD3E0" class="tempImg" alt="bridge" width="10" height="6" DisableWebEdit="False" /> ..." Line: 1565 Column: 17 - 221
"... <img src="/-/media/arup/images/home/bridge.png?h=803&la=en&w=1438&hash=C11E8AEAEF0F42E423DC5119BC1C79786857EE8A" class="mainImg" alt="bridge" width="1438" height="803" DisableWebEdit="False" /> ..." Line: 1580 Column: 17 - 225
"... <img src="/-/media/arup/images/home/concert.png?h=6&la=en&mw=10&w=10&hash=7D90BD13823C392CEBA61D3BEB0BE98A96132736" class="tempImg" alt="concert" width="10" height="6" DisableWebEdit="False" /> ..." Line: 1581 Column: 17 - 223
"... <img src="/-/media/arup/images/home/concert.png?h=798&la=en&w=1430&hash=4A7EA5D4E5398144F9920AB65468E4F6492D8950" class="mainImg" alt="concert" width="1430" height="798" DisableWebEdit="False" /> ..."

Bad value “true” for attribute “loop” on element “video”.

Line: 1255 Column: 21 - 75
"... <video preload="auto" loop="true" class="desktop-only"> ..." Line: 1273 Column: 21 - 75
"... <video preload="auto" loop="true" class="desktop-only"> ..." Line: 1295 Column: 21 - 75
"... <video preload="auto" loop="true" class="desktop-only"> ..." Line: 1317 Column: 21 - 75
"... <video preload="auto" loop="true" class="desktop-only"> ..." Line: 1339 Column: 21 - 75
"... <video preload="auto" loop="true" class="desktop-only"> ..."

Bad value “Buttons/Links/Discover-Scroll” for attribute “id” on element “g”: Not a valid XML 1.0 name.

Line: 1364 Column: 25 - 119
"... <g id="Buttons/Links/Discover-Scroll" transform="translate(-1.000000, 0.000000)" stroke="#fff"> ..." Line: 1376 Column: 25 - 122
"... <g id="Buttons/Links/Discover-Scroll" transform="translate(-29.000000, -12.000000)" stroke="#fff"> ..."

Duplicate ID “Symbols”.

Line: 1375 Column: 21 - 161
"... <g id="Symbols" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" stroke-linecap="square" opacity="0.9" stroke-linejoin="bevel"> ..."

Duplicate ID “Buttons/Links/Discover-Scroll”.

Line: 1376 Column: 25 - 122
"... <g id="Buttons/Links/Discover-Scroll" transform="translate(-29.000000, -12.000000)" stroke="#fff"> ..."

Duplicate ID “Line”.

Line: 1378 Column: 33 - 80
"... <path d="M0.0682870944,3 L14.80162,3" id="Line"></path..."

Attribute “href” not allowed on element “span” at this point.

Line: 1596 Column: 36 - 94
"...sel-prev"><span href="#" data-grunticon-embed class="icon icon-prev"></span..." Line: 1597 Column: 36 - 94
"...sel-next"><span href="#" data-grunticon-embed class="icon icon-next"></span..."

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 16 Column: 5 - 109
"...e=1"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1.0, user-scalable=no"> <tit..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 90 Column: 9 - 97
"...> <section id="search-head" data-api="/api/search/autosearch" class="search" role="search"> <..." Line: 688 Column: 33 - 76
"... <section class="container nav__menu__inner"> ..." Line: 1100 Column: 21 - 64
"... <section class="container nav__menu__inner"> ..." Line: 1221 Column: 1 - 52
"...av> <section id="search-results" class="search-results"> ..." Line: 1516 Column: 1 - 59
"...ction> <section id="home-animation" class="home-animation reveal"> <..." Line: 1606 Column: 5 - 31
"...enu"> <section class="container"> ..." Line: 1621 Column: 5 - 31
"...enu"> <section class="container"> ..."

The “main” role is unnecessary for element “main”.

Line: 1246 Column: 9 - 57
"...> <main id="main" role="main" class="nomargin hub"> ..."

The first occurrence of ID “Symbols” was here.

Line: 1363 Column: 21 - 147
"... <g id="Symbols" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" stroke-linecap="square" stroke-linejoin="bevel"> ..."

The first occurrence of ID “Buttons/Links/Discover-Scroll” was here.

Line: 1364 Column: 25 - 119
"... <g id="Buttons/Links/Discover-Scroll" transform="translate(-1.000000, 0.000000)" stroke="#fff"> ..."

The first occurrence of ID “Line” was here.

Line: 1367 Column: 33 - 73
"... <path d="M10.5,5.5 L10.5,11.5" id="Line"></path..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 1603 Column: 9 - 50
"...> <footer class="footer" role="contentinfo"> ..."

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arup.com 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.

arup.com 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.

ARUP.COM Dedicated to sustainable development - Arup

arup.com Website Information

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arup.com Alexa Rank

arup.com whois

arup.com server information

Servers Location

arup.com desktop page speed rank

arup.com Desktop Speed Test Quick Summary

priority - 148Optimize images

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

Optimize the following images to reduce their size by 1.4MiB (72% reduction).

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

Your page has 7 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 4Minify 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 34.3KiB (43% reduction).

priority - 2Leverage 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 - 1Minify 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 9.6KiB (20% reduction).

arup.com Desktop Resource Breakdown

arup.com mobile page speed rank

arup.com Mobile Speed Test Quick Summary

priority - 148Optimize images

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

Optimize the following images to reduce their size by 1.4MiB (72% reduction).

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

Your page has 7 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 4Leverage 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 - 4Minify 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 34.3KiB (43% reduction).

priority - 1Minify 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 9.6KiB (20% reduction).

arup.com Mobile Resource Breakdown

arup.com mobile page usability

arup.com Mobile Usability Test Quick Summary

priority - 28Use 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 - 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 - 3Size 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.

arup.com HTML validation

Errors

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 “navigation” for attribute “role” on element “header”.

“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.

Bad value “button” for attribute “role” on element “li”.

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

Bad value “true” for attribute “loop” on element “video”.

Bad value “Buttons/Links/Discover-Scroll” for attribute “id” on element “g”: Not a valid XML 1.0 name.

Duplicate ID “Symbols”.

Duplicate ID “Buttons/Links/Discover-Scroll”.

Duplicate ID “Line”.

Attribute “href” not allowed on element “span” at this point.

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The “main” role is unnecessary for element “main”.

The first occurrence of ID “Symbols” was here.

The first occurrence of ID “Buttons/Links/Discover-Scroll” was here.

The first occurrence of ID “Line” was here.

The “contentinfo” role is unnecessary for element “footer”.

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