3 sec in total
278 ms
2.3 sec
417 ms
Click here to check amazing Keller content for United Kingdom. Otherwise, check out these important facts you probably never knew about keller.co.uk
The UK's leading geotechnical specialist contractor. Experts in piling, ground improvement, grouting, earth retention and monitoring.
Visit keller.co.ukWe analyzed Keller.co.uk page load time and found that the first response time was 278 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
keller.co.uk performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value14.3 s
0/100
25%
Value8.3 s
20/100
10%
Value800 ms
36/100
30%
Value0.025
100/100
15%
Value13.4 s
11/100
10%
278 ms
497 ms
32 ms
57 ms
249 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 82% of them (37 requests) were addressed to the original Keller.co.uk, 7% (3 requests) were made to Ir2.flife.de and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (988 ms) belongs to the original domain Keller.co.uk.
Page size can be reduced by 135.9 kB (13%)
1.1 MB
914.8 kB
In fact, the total size of Keller.co.uk main page is 1.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 905.9 kB which makes up the majority of the site volume.
Potential reduce by 94.3 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 19.3 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 94.3 kB or 88% of the original size.
Potential reduce by 26.9 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Keller images are well optimized though.
Potential reduce by 14.7 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 14.7 kB or 39% of the original size.
Number of requests can be reduced by 7 (18%)
38
31
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keller. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
keller.co.uk
278 ms
www.keller.co.uk
497 ms
jquery.min.js
32 ms
jquery-ui.min.js
57 ms
ResourceHandlermergeall.css
249 ms
gatag.js
165 ms
jquery.embedCode.js
421 ms
ResourceHandlermerge.js
252 ms
frame-manager.js
89 ms
logo.gif
170 ms
bg-share-price.gif
174 ms
full-year-result-webcast-new-bg-img-3.jpg
417 ms
full-year-result-webcast-new-bg-img.jpg
424 ms
bg-next-event.gif
176 ms
sign_post.jpg
423 ms
transp-arrow-blue.png
418 ms
icon-play-video.png
420 ms
multimedia-2.jpg
499 ms
worldwide-contacts.gif
420 ms
history-1984.jpg
501 ms
transp-arrow-yellow.png
431 ms
history-2014.jpg
514 ms
history-1954.jpg
559 ms
history-1994-new.jpg
647 ms
history-2002.jpg
604 ms
history-2006.jpg
667 ms
footer-logo.gif
603 ms
investis.png
627 ms
c56da29d-9c5b-4d94-900f-770cde3dd317.woff
711 ms
fontawesome-woff.woff
828 ms
keller-sprite.png
679 ms
ticker.php
214 ms
banner-6.jpg
988 ms
flying-triangles.png
789 ms
ga.js
11 ms
cd5a93fc-2bb1-48df-8982-11119cd6e270.woff
762 ms
f05272f9-83e3-4de6-8423-5d57f730c87b.woff
787 ms
__utm.gif
15 ms
iframeResizer_child_v2.js
188 ms
banner-4.jpg
784 ms
banner-8.jpg
875 ms
banner-3-new.jpg
667 ms
overlay.png
516 ms
c56da29d-9c5b-4d94-900f-770cde3dd317.woff
194 ms
ResourceHandlermergeprint.css
93 ms
keller.co.uk accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
keller.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
keller.co.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Keller.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Keller.co.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
keller.co.uk
Open Graph description is not detected on the main page of Keller. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: