Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

publichealthmatters.blog.gov.uk

UK Health Security Agency

Page Load Speed

4.4 sec in total

First Response

809 ms

Resources Loaded

2.7 sec

Page Rendered

892 ms

publichealthmatters.blog.gov.uk screenshot

About Website

Click here to check amazing Public Health Matters Blog content for United Kingdom. Otherwise, check out these important facts you probably never knew about publichealthmatters.blog.gov.uk

The official blog of the UK Health Security Agency, providing expert insight on the organisation's work and all aspects of health security

Visit publichealthmatters.blog.gov.uk

Key Findings

We analyzed Publichealthmatters.blog.gov.uk page load time and found that the first response time was 809 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

publichealthmatters.blog.gov.uk performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

publichealthmatters.blog.gov.uk

809 ms

govuk-template.css

79 ms

fonts.css

535 ms

main.min.css

329 ms

main.min.js

411 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 87% of them (26 requests) were addressed to the original Publichealthmatters.blog.gov.uk, 7% (2 requests) were made to and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (815 ms) belongs to the original domain Publichealthmatters.blog.gov.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 649.6 kB (37%)

Content Size

1.7 MB

After Optimization

1.1 MB

In fact, the total size of Publichealthmatters.blog.gov.uk main page is 1.7 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 31.1 kB

  • Original 39.7 kB
  • After minification 37.6 kB
  • After compression 8.5 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 31.1 kB or 78% of the original size.

Image Optimization

-26%

Potential reduce by 281.2 kB

  • Original 1.1 MB
  • After minification 784.6 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. Obviously, Public Health Matters Blog needs image optimization as it can save up to 281.2 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 100.4 kB

  • Original 169.2 kB
  • After minification 167.9 kB
  • After compression 68.8 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 100.4 kB or 59% of the original size.

CSS Optimization

-51%

Potential reduce by 237.0 kB

  • Original 466.8 kB
  • After minification 458.7 kB
  • After compression 229.8 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. Publichealthmatters.blog.gov.uk needs all CSS files to be minified and compressed as it can save up to 237.0 kB or 51% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (27%)

Requests Now

26

After Optimization

19

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Public Health Matters Blog. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

publichealthmatters.blog.gov.uk accessibility score

98

Accessibility Issues

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

High

Links do not have a discernible name

Best Practices

publichealthmatters.blog.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

publichealthmatters.blog.gov.uk SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Publichealthmatters.blog.gov.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Publichealthmatters.blog.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 Public Health Matters Blog. 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: