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community.o2.co.uk screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

community.o2.co.uk

O2 Community Forum

Page Load Speed

3.5 sec in total

First Response

751 ms

Resources Loaded

2.4 sec

Page Rendered

332 ms

community.o2.co.uk screenshot

About Website

Welcome to community.o2.co.uk homepage info - get ready to check Community O2 best content for United Kingdom right away, or after learning these important things about community.o2.co.uk

The O2 Community is where O2 customers come together to ask and answer questions, help with problems, bounce ideas off each other and have fun!

Visit community.o2.co.uk

Key Findings

We analyzed Community.o2.co.uk page load time and found that the first response time was 751 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

community.o2.co.uk performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value19.9 s

0/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

community.o2.co.uk

751 ms

o2uk_2014-439108329.css

169 ms

fonts.css

217 ms

custom-classes.css

218 ms

global.css

227 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 8% of them (6 requests) were addressed to the original Community.o2.co.uk, 43% (31 requests) were made to Static.o2.co.uk and 22% (16 requests) were made to O2uk.i.lithium.com. The less responsive or slowest element that took the longest time to load (751 ms) belongs to the original domain Community.o2.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (71%)

Content Size

1.6 MB

After Optimization

476.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Community.o2.co.uk main page is 1.6 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. 60% of websites need less resources to load. CSS take 550.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 258.6 kB

  • Original 308.8 kB
  • After minification 302.1 kB
  • After compression 50.2 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 258.6 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 13.9 kB

  • Original 218.7 kB
  • After minification 204.8 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. Community O2 images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 373.8 kB

  • Original 538.4 kB
  • After minification 526.1 kB
  • After compression 164.5 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 373.8 kB or 69% of the original size.

CSS Optimization

-90%

Potential reduce by 493.3 kB

  • Original 550.5 kB
  • After minification 550.3 kB
  • After compression 57.2 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. Community.o2.co.uk needs all CSS files to be minified and compressed as it can save up to 493.3 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (65%)

Requests Now

68

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Community O2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

community.o2.co.uk

community.o2.co.uk

751 ms

o2uk_2014-439108329.css

o2uk_2014-439108329.css

169 ms

fonts.css

fonts.css

217 ms

custom-classes.css

custom-classes.css

218 ms

global.css

global.css

227 ms

_all-modules.css

_all-modules.css

344 ms

jquery.min.js

jquery.min.js

31 ms

modernizr.min.js

modernizr.min.js

226 ms

mbox.js

mbox.js

267 ms

satelliteLib-0f7d9589551ed7071db2509e1b92aadeff17ecd3.js

satelliteLib-0f7d9589551ed7071db2509e1b92aadeff17ecd3.js

53 ms

lia-scripts-head-min.js

lia-scripts-head-min.js

288 ms

o2.min.js

o2.min.js

171 ms

eluminate.js

eluminate.js

53 ms

analytics.js

analytics.js

176 ms

o2-live-search.js

o2-live-search.js

174 ms

edigital.js

edigital.js

370 ms

egain.js

egain.js

178 ms

lia-scripts-common-min.js

lia-scripts-common-min.js

371 ms

lia-scripts-body-min.js

lia-scripts-body-min.js

370 ms

target.js

target.js

101 ms

standard

standard

473 ms

logo-o2.png

logo-o2.png

147 ms

promo-icon-community.png

promo-icon-community.png

224 ms

message_has_url.png

message_has_url.png

53 ms

true

true

366 ms

logo-telefonica.png

logo-telefonica.png

146 ms

icon_community.png

icon_community.png

52 ms

id

id

36 ms

tool-icon-search-sprite.png

tool-icon-search-sprite.png

106 ms

toolbar-sitetabs.png

toolbar-sitetabs.png

108 ms

primary-nav-border.png

primary-nav-border.png

108 ms

header-xxl-grad-1px-repeat.jpg

header-xxl-grad-1px-repeat.jpg

107 ms

headersearch-xxl-diagonal_2000.png

headersearch-xxl-diagonal_2000.png

178 ms

label-xxl-shadow1100.png

label-xxl-shadow1100.png

180 ms

label-xxl-line1100.png

label-xxl-line1100.png

181 ms

global.css

global.css

183 ms

promo-cta-arrow.png

promo-cta-arrow.png

182 ms

arrow-right.png

arrow-right.png

181 ms

footer-gradient-mobile.png

footer-gradient-mobile.png

214 ms

footer-bubbles.png

footer-bubbles.png

214 ms

footer-list-splitter.png

footer-list-splitter.png

251 ms

footer-sprite-social-icons.png

footer-sprite-social-icons.png

253 ms

sprite-logo-telefonica.png

sprite-logo-telefonica.png

254 ms

board-icon-apple.png

board-icon-apple.png

96 ms

board-icon-android.png

board-icon-android.png

95 ms

board-icon-other.png

board-icon-other.png

96 ms

promo-m-short_plain_dark_1_large.jpg

promo-m-short_plain_dark_1_large.jpg

95 ms

promo-m-short_plain_dark_555_large.jpg

promo-m-short_plain_dark_555_large.jpg

98 ms

promo-m-short_plain_dark_apps_large.jpg

promo-m-short_plain_dark_apps_large.jpg

97 ms

promo-m-short_plain_dark_22_large.jpg

promo-m-short_plain_dark_22_large.jpg

98 ms

promo-m-short_plain_dark_4_large.jpg

promo-m-short_plain_dark_4_large.jpg

99 ms

promo-m-short_plain_dark_50_large.jpg

promo-m-short_plain_dark_50_large.jpg

101 ms

20150529_DooWappBoardBG_g.jpg

20150529_DooWappBoardBG_g.jpg

102 ms

90174277.js

90174277.js

161 ms

cookie-id.js

cookie-id.js

232 ms

EG36499597

EG36499597

115 ms

ga.js

ga.js

42 ms

s-code-contents-d2e3f58d3f18050c00cfdd4af1ece2cc04457830.js

s-code-contents-d2e3f58d3f18050c00cfdd4af1ece2cc04457830.js

38 ms

frutiger-55roman.woff

frutiger-55roman.woff

316 ms

frutiger-45light.woff

frutiger-45light.woff

353 ms

frutiger-46lightitalic.woff

frutiger-46lightitalic.woff

362 ms

tool-icon-signin.png

tool-icon-signin.png

160 ms

tool-icon-webchat.png

tool-icon-webchat.png

163 ms

tool-icon-storelocator.png

tool-icon-storelocator.png

165 ms

id

id

28 ms

__utm.gif

__utm.gif

20 ms

tracker

tracker

379 ms

allow_cobrowse.js

allow_cobrowse.js

535 ms

Offers.egain

Offers.egain

537 ms

cookie-id.js

cookie-id.js

152 ms

s49137356365099

s49137356365099

8 ms

cm

cm

78 ms

Accessibility Review

community.o2.co.uk accessibility score

92

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

community.o2.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

community.o2.co.uk SEO score

83

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Community.o2.co.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 Community.o2.co.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

community.o2.co.uk

Open Graph description is not detected on the main page of Community O2. 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: