Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

udsu.co.uk

Buy and Sell Domain Names | Dan.com

Page Load Speed

3.6 sec in total

First Response

220 ms

Resources Loaded

2.9 sec

Page Rendered

440 ms

udsu.co.uk screenshot

About Website

Visit udsu.co.uk now to see the best up-to-date Udsu content for United Kingdom and also check out these interesting facts you probably never knew about udsu.co.uk

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Key Findings

We analyzed Udsu.co.uk page load time and found that the first response time was 220 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

udsu.co.uk performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

udsu.co.uk

220 ms

www.udsu.co.uk

794 ms

system.css

377 ms

icons.css

280 ms

jquery.min.js

28 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 43% of them (60 requests) were addressed to the original Udsu.co.uk, 13% (18 requests) were made to Maps.googleapis.com and 9% (13 requests) were made to Abs.twimg.com. The less responsive or slowest element that took the longest time to load (794 ms) belongs to the original domain Udsu.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 820.1 kB (26%)

Content Size

3.2 MB

After Optimization

2.4 MB

In fact, the total size of Udsu.co.uk main page is 3.2 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 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 87.8 kB

  • Original 110.9 kB
  • After minification 95.0 kB
  • After compression 23.1 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. This page needs HTML code to be minified as it can gain 15.9 kB, which is 14% 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 87.8 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 56.1 kB

  • Original 2.1 MB
  • After minification 2.0 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. Udsu images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 418.6 kB

  • Original 677.1 kB
  • After minification 665.3 kB
  • After compression 258.5 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 418.6 kB or 62% of the original size.

CSS Optimization

-85%

Potential reduce by 257.6 kB

  • Original 303.7 kB
  • After minification 264.9 kB
  • After compression 46.1 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. Udsu.co.uk needs all CSS files to be minified and compressed as it can save up to 257.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 64 (51%)

Requests Now

126

After Optimization

62

The browser has sent 126 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Udsu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

udsu.co.uk accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

udsu.co.uk best practices score

92

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

Page has valid source maps

SEO Factors

udsu.co.uk SEO score

100

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 uses legible font sizes

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 Udsu.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 Udsu.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 data is detected on the main page of Udsu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: