Tools & Wizards About Us
undiefactory.co.uk screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

undiefactory.co.uk

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

Page Load Speed

855 ms in total

First Response

42 ms

Resources Loaded

738 ms

Page Rendered

75 ms

undiefactory.co.uk screenshot

About Website

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

Key Findings

We analyzed Undiefactory.co.uk page load time and found that the first response time was 42 ms and then it took 813 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

undiefactory.co.uk performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

3mxY0Om

42 ms

ref=as_li_ss_tl

91 ms

AmazonUI-3c913031596ca78a3768f4e934b1cc02ce238101.secure.min._V1_.css

38 ms

requestId=JG6SJD38JFGBQCEA29CC&js=1

286 ms

csm-captcha-instrumentation.min.js

22 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Undiefactory.co.uk, 20% (2 requests) were made to Images-eu.ssl-images-amazon.com and 10% (1 request) were made to Amzn.to. The less responsive or slowest element that took the longest time to load (286 ms) relates to the external source Fls-eu.amazon.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.1 kB (10%)

Content Size

67.7 kB

After Optimization

60.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Undiefactory.co.uk main page is 67.7 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. CSS take 23.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 5.9 kB

  • Original 7.9 kB
  • After minification 5.4 kB
  • After compression 2.0 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. This page needs HTML code to be minified as it can gain 2.5 kB, which is 31% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 5.9 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 110 B

  • Original 22.8 kB
  • After minification 22.7 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. Undiefactory images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 1.1 kB

  • Original 13.8 kB
  • After minification 13.8 kB
  • After compression 12.7 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

-0%

Potential reduce by 14 B

  • Original 23.2 kB
  • After minification 23.2 kB
  • After compression 23.1 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. Undiefactory.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (38%)

Requests Now

8

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Undiefactory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

3mxY0Om

3mxY0Om

42 ms

ref=as_li_ss_tl

ref=as_li_ss_tl

91 ms

AmazonUI-3c913031596ca78a3768f4e934b1cc02ce238101.secure.min._V1_.css

AmazonUI-3c913031596ca78a3768f4e934b1cc02ce238101.secure.min._V1_.css

38 ms

requestId=JG6SJD38JFGBQCEA29CC&js=1

requestId=JG6SJD38JFGBQCEA29CC&js=1

286 ms

csm-captcha-instrumentation.min.js

csm-captcha-instrumentation.min.js

22 ms

rd-script-6d68177fa6061598e9509dc4b5bdd08d.js

rd-script-6d68177fa6061598e9509dc4b5bdd08d.js

24 ms

aui_sprite_0007-1x._V383827579_.png

aui_sprite_0007-1x._V383827579_.png

2 ms

Captcha_fdrxnoapby.jpg

Captcha_fdrxnoapby.jpg

8 ms

ue-base-1c399ad9886cab69575e1e5ee15c61a1._V313498596_.js

ue-base-1c399ad9886cab69575e1e5ee15c61a1._V313498596_.js

4 ms

ClientSideMetricsAUIJavascript-51171fbdd28e1a7a61e922e8f0272af8bc74d37b.secure.variant-desktop-session-snapshot-keypress.min._V2_.js

ClientSideMetricsAUIJavascript-51171fbdd28e1a7a61e922e8f0272af8bc74d37b.secure.variant-desktop-session-snapshot-keypress.min._V2_.js

9 ms

Accessibility Review

undiefactory.co.uk accessibility score

82

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

Image elements do not have [alt] attributes

Best Practices

undiefactory.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

undiefactory.co.uk SEO score

75

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

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

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 Undiefactory.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 Undiefactory.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

undiefactory.co.uk

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