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archive.acas.org.uk screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

archive.acas.org.uk

Acas | Making working life better for everyone in Britain

Page Load Speed

2 sec in total

First Response

269 ms

Resources Loaded

1.6 sec

Page Rendered

123 ms

archive.acas.org.uk screenshot

About Website

Click here to check amazing Archive Acas content for United Kingdom. Otherwise, check out these important facts you probably never knew about archive.acas.org.uk

Acas is the workplace expert for England, Wales and Scotland. We provide free and impartial advice for employers and employees, training and help resolve disputes.

Visit archive.acas.org.uk

Key Findings

We analyzed Archive.acas.org.uk page load time and found that the first response time was 269 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

archive.acas.org.uk performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.766

5/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

archive.acas.org.uk

269 ms

www.acas.org.uk

480 ms

css_gUMLroMlH5IV0_0JMdlqoo3cMUfheeSzgEYxnAk01gI.css

23 ms

css_rm2Z_TI9X--BJezZLf2oQ2GQomy2yUn35Aqn6PnqKEg.css

369 ms

css_CTCquIq4SRSsLRf6xvNj-ZDS8Nj7mnhfMQbnImgd4_8.css

30 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Archive.acas.org.uk, 93% (42 requests) were made to Acas.org.uk and 4% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (480 ms) relates to the external source Acas.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.2 kB (23%)

Content Size

187.0 kB

After Optimization

143.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Archive.acas.org.uk main page is 187.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 108.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.3 kB

  • Original 26.7 kB
  • After minification 23.2 kB
  • After compression 6.4 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 3.5 kB, which is 13% 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 20.3 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 9.5 kB
  • After minification 9.5 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. Archive Acas images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 21.2 kB

  • Original 108.1 kB
  • After minification 107.9 kB
  • After compression 86.9 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 21.2 kB or 20% of the original size.

CSS Optimization

-4%

Potential reduce by 1.7 kB

  • Original 42.7 kB
  • After minification 42.6 kB
  • After compression 41.0 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. Archive.acas.org.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 35 (90%)

Requests Now

39

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Archive Acas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

archive.acas.org.uk

archive.acas.org.uk

269 ms

www.acas.org.uk

www.acas.org.uk

480 ms

css_gUMLroMlH5IV0_0JMdlqoo3cMUfheeSzgEYxnAk01gI.css

css_gUMLroMlH5IV0_0JMdlqoo3cMUfheeSzgEYxnAk01gI.css

23 ms

css_rm2Z_TI9X--BJezZLf2oQ2GQomy2yUn35Aqn6PnqKEg.css

css_rm2Z_TI9X--BJezZLf2oQ2GQomy2yUn35Aqn6PnqKEg.css

369 ms

css_CTCquIq4SRSsLRf6xvNj-ZDS8Nj7mnhfMQbnImgd4_8.css

css_CTCquIq4SRSsLRf6xvNj-ZDS8Nj7mnhfMQbnImgd4_8.css

30 ms

css_JDvLYmJvq7iGXRVGZc8ZWK1EgL9_RP9X3Pjm7bkejzk.css

css_JDvLYmJvq7iGXRVGZc8ZWK1EgL9_RP9X3Pjm7bkejzk.css

35 ms

all.min.css

all.min.css

67 ms

css_k0urhE2UDG_P1XE5AjhAlxVFZPlqQ1iqqvtHgu-H5zk.css

css_k0urhE2UDG_P1XE5AjhAlxVFZPlqQ1iqqvtHgu-H5zk.css

28 ms

css_mLyfSbtwipUSSaLhZlbbnvBAtWgxdjjxowQqkkB90m0.css

css_mLyfSbtwipUSSaLhZlbbnvBAtWgxdjjxowQqkkB90m0.css

35 ms

toplogo.png

toplogo.png

32 ms

jquery.min.js

jquery.min.js

31 ms

underscore-min.js

underscore-min.js

47 ms

once.min.js

once.min.js

51 ms

drupalSettingsLoader.js

drupalSettingsLoader.js

52 ms

drupal.js

drupal.js

51 ms

drupal.init.js

drupal.init.js

51 ms

index.umd.min.js

index.umd.min.js

51 ms

browser_detect.js

browser_detect.js

54 ms

datalayer.js

datalayer.js

52 ms

drupal.bootstrap.js

drupal.bootstrap.js

55 ms

attributes.js

attributes.js

53 ms

theme.js

theme.js

53 ms

debounce.js

debounce.js

56 ms

announce.js

announce.js

55 ms

displace.js

displace.js

57 ms

drupal-overrides.min.js

drupal-overrides.min.js

57 ms

acas.js

acas.js

67 ms

main.js

main.js

64 ms

details-polyfill.js

details-polyfill.js

64 ms

gtm.js

gtm.js

64 ms

gtag.js

gtag.js

69 ms

progress.js

progress.js

65 ms

progress.js

progress.js

66 ms

loadjs.min.js

loadjs.min.js

67 ms

message.js

message.js

68 ms

message.js

message.js

70 ms

ajax.js

ajax.js

69 ms

ajax.js

ajax.js

70 ms

gtag.ajax.js

gtag.ajax.js

68 ms

views_exposed_form_submit.js

views_exposed_form_submit.js

60 ms

icon-search.png

icon-search.png

53 ms

OpenSans-Regular-webfont.woff

OpenSans-Regular-webfont.woff

4 ms

OpenSans-Semibold-webfont.woff

OpenSans-Semibold-webfont.woff

5 ms

2ef5ecda-1772-45e2-843f-a13f5d76ed3a.woff

2ef5ecda-1772-45e2-843f-a13f5d76ed3a.woff

388 ms

fa-brands-400.woff

fa-brands-400.woff

27 ms

Accessibility Review

archive.acas.org.uk accessibility score

100

Accessibility Issues

Best Practices

archive.acas.org.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

archive.acas.org.uk SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Archive.acas.org.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 Archive.acas.org.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.

Social Sharing Optimization

archive.acas.org.uk

Open Graph description is not detected on the main page of Archive Acas. 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: