Tools & Wizards About Us
u2.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

u2.com

U2 > Home

Page Load Speed

3.4 sec in total

First Response

136 ms

Resources Loaded

3.1 sec

Page Rendered

163 ms

u2.com screenshot

About Website

Visit u2.com now to see the best up-to-date U2 content for United States and also check out these interesting facts you probably never knew about u2.com

The official U2 website with all the latest news, video, audio, lyrics, photos, tour dates and ticket information.

Visit u2.com

Key Findings

We analyzed U2.com page load time and found that the first response time was 136 ms and then it took 3.2 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

u2.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value2,170 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

Network Requests Diagram

u2.com

136 ms

www.u2.com

497 ms

gtm.js

60 ms

main.css

314 ms

intlTelInput.css

38 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 6% of them (5 requests) were addressed to the original U2.com, 32% (25 requests) were made to Cdn.ontourmedia.io and 23% (18 requests) were made to Scontent-sea1-1.cdninstagram.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Scontent-sea1-1.cdninstagram.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (18%)

Content Size

5.7 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of U2.com main page is 5.7 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. 70% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 37.9 kB

  • Original 50.0 kB
  • After minification 50.0 kB
  • After compression 12.1 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 37.9 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 87.4 kB

  • Original 4.0 MB
  • After minification 3.9 MB

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. U2 images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 651.0 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 723.9 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 651.0 kB or 47% of the original size.

CSS Optimization

-82%

Potential reduce by 228.6 kB

  • Original 280.3 kB
  • After minification 278.9 kB
  • After compression 51.6 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. U2.com needs all CSS files to be minified and compressed as it can save up to 228.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (58%)

Requests Now

67

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

u2.com

u2.com

136 ms

www.u2.com

www.u2.com

497 ms

gtm.js

gtm.js

60 ms

main.css

main.css

314 ms

intlTelInput.css

intlTelInput.css

38 ms

external.js

external.js

793 ms

main.js

main.js

524 ms

vendor.js

vendor.js

524 ms

js

js

58 ms

analytics.js

analytics.js

53 ms

fbevents.js

fbevents.js

23 ms

up_loader.1.1.0.js

up_loader.1.1.0.js

20 ms

linkid.js

linkid.js

110 ms

logo.png

logo.png

95 ms

homepromo_sphere_radio_18april24.jpg

homepromo_sphere_radio_18april24.jpg

110 ms

homepromo_loveandonlylove_5april24.jpg

homepromo_loveandonlylove_5april24.jpg

102 ms

homepromo_thecompletelyrics_vol2_08feb24.jpg

homepromo_thecompletelyrics_vol2_08feb24.jpg

99 ms

homepromo_kissthefuture_12april24.jpg

homepromo_kissthefuture_12april24.jpg

164 ms

medium.jpg

medium.jpg

100 ms

medium.jpg

medium.jpg

102 ms

medium.jpg

medium.jpg

101 ms

subscriberspecial.png

subscriberspecial.png

103 ms

medium.jpg

medium.jpg

105 ms

blank.gif

blank.gif

106 ms

collect

collect

47 ms

collect

collect

61 ms

all.css

all.css

82 ms

css

css

76 ms

js

js

87 ms

sdk.js

sdk.js

44 ms

iframe

iframe

84 ms

arrow_right.png

arrow_right.png

37 ms

gradient_black.png

gradient_black.png

35 ms

commentcountbubble_home.png

commentcountbubble_home.png

36 ms

gothmlig-webfont.woff

gothmlig-webfont.woff

28 ms

gothmbok-webfont.woff

gothmbok-webfont.woff

26 ms

fa-solid-900.woff

fa-solid-900.woff

46 ms

fa-regular-400.woff

fa-regular-400.woff

47 ms

gothmbol-webfont.woff

gothmbol-webfont.woff

32 ms

gothmmed-webfont.woff

gothmmed-webfont.woff

27 ms

fa-brands-400.woff

fa-brands-400.woff

76 ms

gothmthi-webfont.woff

gothmthi-webfont.woff

26 ms

sdk.js

sdk.js

44 ms

iframe

iframe

29 ms

57 ms

441299870_3770852749849157_632716939266614591_n.jpg

441299870_3770852749849157_632716939266614591_n.jpg

740 ms

143692

143692

356 ms

logo_footer.gif

logo_footer.gif

57 ms

441469600_1609911753102186_3460313706342555835_n.jpg

441469600_1609911753102186_3460313706342555835_n.jpg

933 ms

441013616_1187862029041900_6869526494373701891_n.jpg

441013616_1187862029041900_6869526494373701891_n.jpg

1218 ms

439452406_777953690973166_7818392918110840507_n.jpg

439452406_777953690973166_7818392918110840507_n.jpg

1096 ms

439618859_1125380322158727_5789903421705567479_n.jpg

439618859_1125380322158727_5789903421705567479_n.jpg

1207 ms

439146742_905655338030530_5828690907023763165_n.jpg

439146742_905655338030530_5828690907023763165_n.jpg

1134 ms

434974867_18429302869030023_7293043882195723570_n.jpg

434974867_18429302869030023_7293043882195723570_n.jpg

1166 ms

436416101_1112355116567705_4440919569465883614_n.jpg

436416101_1112355116567705_4440919569465883614_n.jpg

1094 ms

434675993_3749416398672593_1468417222327311476_n.jpg

434675993_3749416398672593_1468417222327311476_n.jpg

1382 ms

432222497_18427185121030023_185153880120833066_n.jpg

432222497_18427185121030023_185153880120833066_n.jpg

1288 ms

435094314_445604104704031_7953429481314862294_n.jpg

435094314_445604104704031_7953429481314862294_n.jpg

1220 ms

434568211_1126544285152580_271663701412101151_n.jpg

434568211_1126544285152580_271663701412101151_n.jpg

1330 ms

421050503_408070205152773_1479887721882488980_n.jpg

421050503_408070205152773_1479887721882488980_n.jpg

1637 ms

432027236_954787065951945_867736176604773506_n.jpg

432027236_954787065951945_867736176604773506_n.jpg

1356 ms

433125577_1149890756057948_6274590093367100604_n.jpg

433125577_1149890756057948_6274590093367100604_n.jpg

1453 ms

433285627_18423714592030023_2904900269522370878_n.jpg

433285627_18423714592030023_2904900269522370878_n.jpg

1476 ms

433049800_1147575099743863_8777235396416933397_n.jpg

433049800_1147575099743863_8777235396416933397_n.jpg

1487 ms

432004941_903171954885560_433549837412507008_n.jpg

432004941_903171954885560_433549837412507008_n.jpg

1495 ms

facebook_off_51x51.png

facebook_off_51x51.png

54 ms

twitter_off_51x51.png

twitter_off_51x51.png

53 ms

instagram_off_51x51.png

instagram_off_51x51.png

53 ms

youtube_off_51x51.png

youtube_off_51x51.png

54 ms

tumblr_off_51x51.png

tumblr_off_51x51.png

54 ms

ga.js

ga.js

18 ms

__utm.gif

__utm.gif

10 ms

u2-skin.min.css

u2-skin.min.css

131 ms

ima3.js

ima3.js

28 ms

cast_sender.js

cast_sender.js

19 ms

player.min.js

player.min.js

266 ms

video-js.min.css

video-js.min.css

48 ms

Accessibility Review

u2.com accessibility score

53

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

u2.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

u2.com SEO score

92

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

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

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 U2.com 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 U2.com 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

u2.com

Open Graph description is not detected on the main page of U2. 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: