Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

dex.co.uk

Dex - Computer training, IT support, website design and database development

Page Load Speed

1.4 sec in total

First Response

297 ms

Resources Loaded

902 ms

Page Rendered

156 ms

dex.co.uk screenshot

About Website

Welcome to dex.co.uk homepage info - get ready to check Dex best content right away, or after learning these important things about dex.co.uk

= IT company specialising in computer training, IT support, website design and database development based in Brighton, East Sussex

Visit dex.co.uk

Key Findings

We analyzed Dex.co.uk page load time and found that the first response time was 297 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

dex.co.uk performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

dex.co.uk

297 ms

www.dex.co.uk

330 ms

txtbg2.gif

160 ms

splash.gif

243 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Dex.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (330 ms) belongs to the original domain Dex.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.0 kB (72%)

Content Size

5.6 kB

After Optimization

1.6 kB

In fact, the total size of Dex.co.uk main page is 5.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 5.6 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 4.0 kB

  • Original 5.6 kB
  • After minification 4.5 kB
  • After compression 1.6 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 1.1 kB, which is 20% 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 4.0 kB or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dex. According to our analytics all requests are already optimized.

Accessibility Review

dex.co.uk accessibility score

92

Accessibility Issues

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

Best Practices

dex.co.uk best practices score

67

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

dex.co.uk SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dex.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 Dex.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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