Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

justinbieberofficial.co.uk

Justin Bieber - Official Store - Shop Exclusive Music & Merch

Page Load Speed

839 ms in total

First Response

310 ms

Resources Loaded

529 ms

Page Rendered

0 ms

justinbieberofficial.co.uk screenshot

About Website

Click here to check amazing Justin Bieber Official content. Otherwise, check out these important facts you probably never knew about justinbieberofficial.co.uk

The official Justin Bieber online store. Shop exclusive Justin Bieber vinyl, CDs, t-shirts, hoodies, accessories and more.

Visit justinbieberofficial.co.uk

Key Findings

We analyzed Justinbieberofficial.co.uk page load time and found that the first response time was 310 ms and then it took 529 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

justinbieberofficial.co.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.853

4/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

justinbieberofficial.co.uk

310 ms

_Incapsula_Resource

158 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Justinbieberofficial.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (310 ms) belongs to the original domain Justinbieberofficial.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.6 kB (21%)

Content Size

561.2 kB

After Optimization

442.6 kB

In fact, the total size of Justinbieberofficial.co.uk main page is 561.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 395.3 kB which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 527 B

  • Original 1.0 kB
  • After minification 977 B
  • After compression 492 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. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 527 B or 52% of the original size.

Image Optimization

-0%

Potential reduce by 385 B

  • Original 395.3 kB
  • After minification 394.9 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. Justin Bieber Official images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 117.7 kB

  • Original 164.9 kB
  • After minification 164.1 kB
  • After compression 47.2 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 117.7 kB or 71% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Justin Bieber Official. According to our analytics all requests are already optimized.

Accessibility Review

justinbieberofficial.co.uk accessibility score

89

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role] values are not valid

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

justinbieberofficial.co.uk best practices score

67

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

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

SEO Factors

justinbieberofficial.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

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 Justinbieberofficial.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 Justinbieberofficial.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

Open Graph description is not detected on the main page of Justin Bieber Official. 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: