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st21.co.uk screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

st21.co.uk

The domain name st21.co.uk is for sale

Page Load Speed

1.8 sec in total

First Response

687 ms

Resources Loaded

962 ms

Page Rendered

181 ms

st21.co.uk screenshot

About Website

Click here to check amazing St 21 content. Otherwise, check out these important facts you probably never knew about st21.co.uk

The domain name st21.co.uk is for sale. Make an offer or buy it now at a set price.

Visit st21.co.uk

Key Findings

We analyzed St21.co.uk page load time and found that the first response time was 687 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

st21.co.uk performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

st21.co.uk

687 ms

st21-stylesheet.css

213 ms

st21-script.js

207 ms

bg_main.gif

70 ms

st21-logo.gif

78 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to St21.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (687 ms) belongs to the original domain St21.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.1 kB (83%)

Content Size

12.2 kB

After Optimization

2.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of St21.co.uk main page is 12.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 6.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 2.4 kB

  • Original 3.1 kB
  • After minification 1.9 kB
  • After compression 693 B

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 1.3 kB, which is 40% 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 2.4 kB or 78% of the original size.

JavaScript Optimization

-92%

Potential reduce by 2.9 kB

  • Original 3.1 kB
  • After minification 2.6 kB
  • After compression 255 B

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 2.9 kB or 92% of the original size.

CSS Optimization

-81%

Potential reduce by 4.8 kB

  • Original 6.0 kB
  • After minification 4.4 kB
  • After compression 1.2 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. St21.co.uk needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of St 21. According to our analytics all requests are already optimized.

Network Requests Diagram

st21.co.uk

st21.co.uk

687 ms

st21-stylesheet.css

st21-stylesheet.css

213 ms

st21-script.js

st21-script.js

207 ms

bg_main.gif

bg_main.gif

70 ms

st21-logo.gif

st21-logo.gif

78 ms

Accessibility Review

st21.co.uk accessibility score

86

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<frame> or <iframe> elements do not have a title

Best Practices

st21.co.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

st21.co.uk SEO score

92

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise St21.co.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 St21.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

st21.co.uk

Open Graph description is not detected on the main page of St 21. 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: