Report Summary

  • 26

    Performance

    Renders faster than
    47% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

amzon.co.uk

Amazon.co.uk: Low Prices in Electronics, Books, Sports Equipment & more

Page Load Speed

4.5 sec in total

First Response

262 ms

Resources Loaded

3.3 sec

Page Rendered

868 ms

amzon.co.uk screenshot

About Website

Visit amzon.co.uk now to see the best up-to-date Amzon content and also check out these interesting facts you probably never knew about amzon.co.uk

Sign up to Amazon Prime for unlimited free delivery. Low prices at Amazon on digital cameras, MP3, sports, books, music, DVDs, video games, home & garden and much more.

Visit amzon.co.uk

Key Findings

We analyzed Amzon.co.uk page load time and found that the first response time was 262 ms and then it took 4.2 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

amzon.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value21,590 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.155

74/100

15%

TTI (Time to Interactive)

Value33.5 s

0/100

10%

Network Requests Diagram

amzon.co.uk

262 ms

amzon.co.uk

282 ms

www.amazon.co.uk

699 ms

11EIQ5IGqaL._RC%7C01ZTHTZObnL.css,41C-I1lXVwL.css,31ufSReDtSL.css,013z33uKh2L.css,017DsKjNQJL.css,0131vqwP5UL.css,41EWOOlBJ9L.css,11TIuySqr6L.css,01ElnPiDxWL.css,11Qjwq-j69L.css,01Dm5eKVxwL.css,01IdKcBuAdL.css,01y-XAlI+2L.css,21P6CS3L9LL.css,01oDR3IULNL.css,41CYNGpGlrL.css,01XPHJk60-L.css,01smHc51S9L.css,21aPhFy+riL.css,11gneA3MtJL.css,21fecG8pUzL.css,01ulGzBW88L.css,01CFUgsA-YL.css,31C80IiXalL.css,11qour3ND0L.css,11gKCCKQV+L.css,11061HxnEvL.css,11oHt2HYxnL.css,01uPgw4sNAL.css,11JQtnL-6eL.css,116v6uYvN6L.css,11jtXRmppwL.css,01QrWuRrZ-L.css,21zuRztKjtL.css,11QyqG8yiqL.css,11K24eOJg4L.css,11F2+OBzLyL.css,01890+Vwk8L.css,11Y05DTEL6L.css,01cbS3UK11L.css,21F85am0yFL.css,01giMEP+djL.css_.css

30 ms

01C10v4TaxL.css

113 ms

Our browser made a total of 236 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Amzon.co.uk, 83% (195 requests) were made to M.media-amazon.com and 11% (27 requests) were made to Images-eu.ssl-images-amazon.com. The less responsive or slowest element that took the longest time to load (699 ms) relates to the external source Amazon.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 567.6 kB (21%)

Content Size

2.7 MB

After Optimization

2.1 MB

In fact, the total size of Amzon.co.uk main page is 2.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 555.6 kB

  • Original 684.0 kB
  • After minification 677.0 kB
  • After compression 128.4 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 555.6 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 11.4 kB

  • Original 1.9 MB
  • After minification 1.9 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. Amzon images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 600 B

  • Original 53.1 kB
  • After minification 53.1 kB
  • After compression 52.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 13 B

  • Original 293 B
  • After minification 293 B
  • After compression 280 B

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. Amzon.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (7%)

Requests Now

224

After Optimization

209

The browser has sent 224 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amzon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

amzon.co.uk accessibility score

83

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

[aria-*] attributes do not match their roles

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

amzon.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

amzon.co.uk SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Amzon.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 Amzon.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 Amzon. 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: