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s.o2.co.uk screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

s.o2.co.uk

Page Load Speed

2.9 sec in total

First Response

1.1 sec

Resources Loaded

1.7 sec

Page Rendered

48 ms

s.o2.co.uk screenshot

About Website

Welcome to s.o2.co.uk homepage info - get ready to check S O 2 best content for United Kingdom right away, or after learning these important things about s.o2.co.uk

Visit s.o2.co.uk

Key Findings

We analyzed S.o2.co.uk page load time and found that the first response time was 1.1 sec and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

s.o2.co.uk performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

s.o2.co.uk

1109 ms

s.o2.co.uk

279 ms

TrackServlet

311 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 67% of them (2 requests) were addressed to the original S.o2.co.uk, 33% (1 request) were made to Track.imiconnect.io. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain S.o2.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 6 B (9%)

Content Size

66 B

After Optimization

60 B

  • HTML

In fact, the total size of S.o2.co.uk main page is 66 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 66 B which makes up the majority of the site volume.

HTML Optimization

-9%

Potential reduce by 6 B

  • Original 66 B
  • After minification 65 B
  • After compression 60 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. HTML code on this page is well minified. This web page is already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

s.o2.co.uk

s.o2.co.uk

1109 ms

s.o2.co.uk

s.o2.co.uk

279 ms

TrackServlet

TrackServlet

311 ms

Accessibility Review

s.o2.co.uk accessibility score

71

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

Document doesn't have a <title> element

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

s.o2.co.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

SEO Factors

s.o2.co.uk SEO score

50

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise S.o2.co.uk can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that S.o2.co.uk main page’s claimed encoding is . 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

s.o2.co.uk

Open Graph description is not detected on the main page of S O 2. 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: