Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 98% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    86% of websites

  • 99

    SEO

    Google-friendlier than
    95% of websites

hmrc.gov.uk

HM Revenue & Customs - GOV.UK

Page Load Speed

1.4 sec in total

First Response

207 ms

Resources Loaded

829 ms

Page Rendered

329 ms

hmrc.gov.uk screenshot

About Website

Visit hmrc.gov.uk now to see the best up-to-date HM Rc content for United Kingdom and also check out these interesting facts you probably never knew about hmrc.gov.uk

We are the UK’s tax, payments and customs authority, and we have a vital purpose: we collect the money that pays for the UK’s public services and help families and individuals with targeted financial ...

Visit hmrc.gov.uk

Key Findings

We analyzed Hmrc.gov.uk page load time and found that the first response time was 207 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

hmrc.gov.uk performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

hm-revenue-customs

207 ms

govuk-template-78368781f77ad5f036d7f8bada53f0034cbc4b5ddb127d4cf0380702a1f77864.css

67 ms

fonts-5ff8c53913434afd0072a480d7cfca67cace4c8d03f6ef96b78a4455728ce745.css

105 ms

header-footer-only-9fd79a4446adf64d22713251b53d6a3bdfb7e47d163bd4facecdadefcae76215.css

73 ms

base-f3f38584d9b95697c193a096b3f3e69edac8de4e38d4293f6c3fbe74aaf0a67a.css

84 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Hmrc.gov.uk, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to . The less responsive or slowest element that took the longest time to load (207 ms) relates to the external source Www.gov.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (65%)

Content Size

2.1 MB

After Optimization

708.0 kB

In fact, the total size of Hmrc.gov.uk main page is 2.1 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. 55% of websites need less resources to load. CSS take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 36.0 kB

  • Original 46.6 kB
  • After minification 41.1 kB
  • After compression 10.6 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 5.5 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 36.0 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 26.8 kB

  • Original 256.1 kB
  • After minification 229.3 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. HM Rc images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 340.9 kB

  • Original 500.0 kB
  • After minification 495.2 kB
  • After compression 159.1 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 340.9 kB or 68% of the original size.

CSS Optimization

-75%

Potential reduce by 939.4 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 309.0 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. Hmrc.gov.uk needs all CSS files to be minified and compressed as it can save up to 939.4 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (53%)

Requests Now

32

After Optimization

15

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HM Rc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hmrc.gov.uk accessibility score

100

Accessibility Issues

Best Practices

hmrc.gov.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

hmrc.gov.uk SEO score

99

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

High

Tap targets are not sized appropriately

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 Hmrc.gov.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 Hmrc.gov.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

Open Graph description is not detected on the main page of HM Rc. 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: