Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

advanceroofing.co.uk

New and reclaimed roofing materials | Tring and Aylesbury

Page Load Speed

366 ms in total

First Response

137 ms

Resources Loaded

153 ms

Page Rendered

76 ms

advanceroofing.co.uk screenshot

About Website

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

Buy all your new and reclaimed roofing materials from Advance Roofing Supplies Ltd. With outlets in Tring and Aylesbury, we boast a vast online store.

Visit advanceroofing.co.uk

Key Findings

We analyzed Advanceroofing.co.uk page load time and found that the first response time was 137 ms and then it took 229 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. This domain responded with an error, which can significantly jeopardize Advanceroofing.co.uk rating and web reputation

Performance Metrics

advanceroofing.co.uk performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

advanceroofing.co.uk

137 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Advanceroofing.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (137 ms) belongs to the original domain Advanceroofing.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 36 B (29%)

Content Size

125 B

After Optimization

89 B

In fact, the total size of Advanceroofing.co.uk main page is 125 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 125 B which makes up the majority of the site volume.

HTML Optimization

-29%

Potential reduce by 36 B

  • Original 125 B
  • After minification 125 B
  • After compression 89 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 36 B or 29% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

advanceroofing.co.uk accessibility score

92

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

advanceroofing.co.uk best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

advanceroofing.co.uk SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Advanceroofing.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 Advanceroofing.co.uk main page’s claimed encoding is . 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 Advance Roofing. 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: