3.4 sec in total
426 ms
2.4 sec
573 ms
Click here to check amazing CRC Ltd content. Otherwise, check out these important facts you probably never knew about crc-ltd.co.uk
Visit crc-ltd.co.ukWe analyzed Crc-ltd.co.uk page load time and found that the first response time was 426 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
crc-ltd.co.uk performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value6.4 s
10/100
25%
Value6.5 s
39/100
10%
Value210 ms
88/100
30%
Value0.07
96/100
15%
Value9.7 s
29/100
10%
426 ms
286 ms
600 ms
57 ms
85 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 98% of them (44 requests) were addressed to the original Crc-ltd.co.uk, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (965 ms) belongs to the original domain Crc-ltd.co.uk.
Page size can be reduced by 202.0 kB (9%)
2.2 MB
2.0 MB
In fact, the total size of Crc-ltd.co.uk main page is 2.2 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. 70% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 89.5 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 11.9 kB, which is 12% 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 89.5 kB or 89% of the original size.
Potential reduce by 109.2 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. CRC Ltd images are well optimized though.
Potential reduce by 3.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 53 B
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. Crc-ltd.co.uk has all CSS files already compressed.
Number of requests can be reduced by 3 (7%)
42
39
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CRC Ltd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
crc-ltd.co.uk
426 ms
crc-ltd.co.uk
286 ms
www.crc-ltd.co.uk
600 ms
js
57 ms
css_wAzZMTxemUHqp5-Ex1ilw3UFId6HV0TGmELmmyTT7B8.css
85 ms
css_M0Kzb0ZWaBfXnoNhPOjSMSl8o-eupPE0Rwrft64SxDQ.css
215 ms
crc_logo.svg
212 ms
gold-badge.svg
284 ms
arrowhead.svg
243 ms
js_70Ol6E6Pbj_ozY336NTJaSvED_pcSczwOmxNwduWVkU.js
415 ms
eu_cookie_compliance.js
249 ms
js_VT-xs-K2TKnD4m7TyGur5_KqVHFmpqN-hYIRPF3QIHM.js
282 ms
defra_header2_1325x454px.jpg
286 ms
uni_cambridge_header_1325x454px_0.jpg
504 ms
merial_right_556x397px.jpg
351 ms
uni_oxford_islet_header_1325x454px.jpg
348 ms
uni_cambridge_ifm_card_540x400px.png
965 ms
uni_lancaster_header_1325x454px.jpg
349 ms
uni_cambridge_nano_header_1325x454px.jpg
504 ms
uni_graphene_header_1325x454px_0.jpg
504 ms
uni_leeds_header_1325x454px.jpg
505 ms
arrowhead-right.svg
506 ms
CRC_Profile.png
959 ms
linkedin-icon.svg
507 ms
Approachable_UKAS%20%281%29.svg
508 ms
chas-accredited-contractor.svg
512 ms
bsc-member-logo.svg
957 ms
scc.svg
959 ms
hero_1600x800px.jpg
827 ms
design_cardslide_1600x800px_1.jpg
827 ms
service_cardslide_1600x800px.jpg
826 ms
testing_cardslide_1600x800px_0.jpg
828 ms
home_cta_1600x800px.jpg
833 ms
defra_header2_1325x454px.jpg
475 ms
uni_cambridge_header_1325x454px_0.jpg
476 ms
merial_right_556x397px.jpg
475 ms
uni_oxford_islet_header_1325x454px.jpg
476 ms
uni_cambridge_ifm_card_540x400px.png
477 ms
uni_lancaster_header_1325x454px.jpg
476 ms
uni_cambridge_nano_header_1325x454px.jpg
478 ms
uni_graphene_header_1325x454px_0.jpg
478 ms
uni_leeds_header_1325x454px.jpg
479 ms
CRC_Profile.png
479 ms
arrowhead-grey-left.svg
72 ms
arrowhead-grey-right.svg
71 ms
crc-ltd.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-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
crc-ltd.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
crc-ltd.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
Image elements do not have [alt] attributes
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
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 Crc-ltd.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 Crc-ltd.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.
crc-ltd.co.uk
Open Graph description is not detected on the main page of CRC Ltd. 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: