7.8 sec in total
364 ms
6.8 sec
636 ms
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Visit concentra.co.ukWe analyzed Concentra.co.uk page load time and found that the first response time was 364 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
concentra.co.uk performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value5.5 s
19/100
25%
Value5.2 s
60/100
10%
Value1,690 ms
11/100
30%
Value0.001
100/100
15%
Value13.6 s
11/100
10%
364 ms
185 ms
938 ms
522 ms
295 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 71% of them (25 requests) were addressed to the original Concentra.co.uk, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (4.6 sec) relates to the external source Google-analytics.com.
Page size can be reduced by 543.1 kB (19%)
2.8 MB
2.3 MB
In fact, the total size of Concentra.co.uk main page is 2.8 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. 25% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 25.6 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 9.8 kB, which is 32% 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 25.6 kB or 84% of the original size.
Potential reduce by 131.3 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. Concentra images are well optimized though.
Potential reduce by 234.4 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 234.4 kB or 67% of the original size.
Potential reduce by 151.9 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Concentra.co.uk needs all CSS files to be minified and compressed as it can save up to 151.9 kB or 34% of the original size.
Number of requests can be reduced by 5 (17%)
29
24
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concentra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
concentra.co.uk
364 ms
css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css
185 ms
css_eAiXMQD_qY4J1Dx7RBmB8k-kb5Rz0EvLwB2cpExM0cg.css
938 ms
js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js
522 ms
js_4ykFfsbwPeICrRpWxVaDdkWmAD6T3OsY3_6stH8fAEw.js
295 ms
js_I8yX6RYPZb7AtMcDUA3QKDZqVkvEn35ED11_1i7vVpc.js
167 ms
js_dgIiraRFqsDTFF37vTVyf0Ndplk_Av5nrjXvoSlNlbo.js
652 ms
js
51 ms
analytics.js
4589 ms
logo.png
99 ms
53 ms
mobile-logo.png
86 ms
header-home.png
890 ms
arrow-down.png
82 ms
home-services_0.jpg
364 ms
diagonal.png
89 ms
home-orgvue_0.png
463 ms
home-people_0.jpg
168 ms
home-supplyvue.png
220 ms
link-tableau_1.png
590 ms
about.png
434 ms
tel.png
306 ms
address.png
386 ms
email.png
441 ms
facebook.png
481 ms
twitter.png
515 ms
linkedin.png
521 ms
google.png
549 ms
40 ms
E0w0yWRTTDXNdDPMNMtsc8w1z3wLLLTIYksstcxyK6y0ymprrI03Z70NNtpksy222ma7HXbaZbc99tpnvwMOOuSwI4465rgTTjrltDPOOud89ja55LIrrrrmuhtuuuW2LHfcdc99Dzz0yGNPPPXMcy+89Mprb7z9DlUWfn8AAA==
37 ms
4Of+bWJq4LI5xqVJf5NakVwnZtIogkijrUpR7RxFCfBjQkljga0Vgc24QEmorzEnHQjCSSQxRqTgta0orWtCGFtuLwNNJpR3s6kEFHOonj3XQWD3WhK91+UfTf8Z974gf5kNMEAA==
37 ms
collect
16 ms
collect
56 ms
17 ms
16 ms
concentra.co.uk accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
concentra.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
concentra.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
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Concentra.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 Concentra.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.
concentra.co.uk
Open Graph description is not detected on the main page of Concentra. 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: