Tools & Wizards About Us
jarvisroofing.co.uk screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

jarvisroofing.co.uk

Commercial Roofing Contractors - B. Jarvis Roofing Ltd

Page Load Speed

5.8 sec in total

First Response

236 ms

Resources Loaded

4.9 sec

Page Rendered

655 ms

jarvisroofing.co.uk screenshot

About Website

Click here to check amazing Jarvis Roofing content. Otherwise, check out these important facts you probably never knew about jarvisroofing.co.uk

We are roofing experts offering industrial, commercial and domestic roofing & metal cladding solutions. Call our friendly team today for advice & quotes.

Visit jarvisroofing.co.uk

Key Findings

We analyzed Jarvisroofing.co.uk page load time and found that the first response time was 236 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

jarvisroofing.co.uk performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.218

57/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

Network Requests Diagram

jarvisroofing.co.uk

236 ms

www.jarvisroofing.co.uk

1536 ms

js

65 ms

autoptimize_b6daa6c22fe16c0bc5763b7c7081e6b3.css

408 ms

jquery.js

455 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 98% of them (51 requests) were addressed to the original Jarvisroofing.co.uk, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Jarvisroofing.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.1 kB (3%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jarvisroofing.co.uk main page is 1.5 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. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 26.6 kB

  • Original 34.2 kB
  • After minification 34.2 kB
  • After compression 7.6 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. 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 26.6 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 15.4 kB

  • Original 1.3 MB
  • After minification 1.3 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. Jarvis Roofing images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 83 B

  • Original 107.2 kB
  • After minification 107.2 kB
  • After compression 107.1 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 33 B

  • Original 24.6 kB
  • After minification 24.6 kB
  • After compression 24.5 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. Jarvisroofing.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (18%)

Requests Now

49

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jarvis Roofing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jarvisroofing.co.uk

jarvisroofing.co.uk

236 ms

www.jarvisroofing.co.uk

www.jarvisroofing.co.uk

1536 ms

js

js

65 ms

autoptimize_b6daa6c22fe16c0bc5763b7c7081e6b3.css

autoptimize_b6daa6c22fe16c0bc5763b7c7081e6b3.css

408 ms

jquery.js

jquery.js

455 ms

jquery-migrate.min.js

jquery-migrate.min.js

251 ms

retina-cookie.js

retina-cookie.js

252 ms

scripts.min.js

scripts.min.js

574 ms

eu-cookie-law.js

eu-cookie-law.js

251 ms

jquery.swipebox.min.js

jquery.swipebox.min.js

337 ms

front.js

front.js

337 ms

wp-embed.min.js

wp-embed.min.js

338 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

89 ms

nfrc.jpg

nfrc.jpg

102 ms

logo-2.png

logo-2.png

103 ms

dropdown.png

dropdown.png

101 ms

Image-001-3rd-rolling-Image.jpg

Image-001-3rd-rolling-Image.jpg

339 ms

100_2132.jpg

100_2132.jpg

279 ms

Rotherham-02.jpg

Rotherham-02.jpg

113 ms

30.png

30.png

189 ms

family.png

family.png

190 ms

leicester-college.jpg

leicester-college.jpg

197 ms

newbold-verdon-library.jpg

newbold-verdon-library.jpg

223 ms

Image-002-Services-Metal-Cladding-Decking-768x525.jpg

Image-002-Services-Metal-Cladding-Decking-768x525.jpg

444 ms

3DK3605-768x512.jpg

3DK3605-768x512.jpg

288 ms

rainwater-768x512.jpg

rainwater-768x512.jpg

287 ms

daylight-systems-768x451.jpg

daylight-systems-768x451.jpg

323 ms

Desford-Hall-2-1024x655.jpg

Desford-Hall-2-1024x655.jpg

457 ms

quote_1.png

quote_1.png

377 ms

quote_2.png

quote_2.png

376 ms

exor.png

exor.png

414 ms

chas-300x212.jpg

chas-300x212.jpg

425 ms

constructionline.png

constructionline.png

464 ms

safe-300x193.jpg

safe-300x193.jpg

477 ms

ior.jpg

ior.jpg

502 ms

iso.jpg

iso.jpg

519 ms

trustmark.jpg

trustmark.jpg

529 ms

homepro.png

homepro.png

543 ms

guild.png

guild.png

555 ms

leicester-city-council.jpg

leicester-city-council.jpg

562 ms

hinckley-council.jpg

hinckley-council.jpg

590 ms

installers.png

installers.png

609 ms

map.jpg

map.jpg

616 ms

logo-second-300x129.png

logo-second-300x129.png

632 ms

IMG_1118-768x576.jpg

IMG_1118-768x576.jpg

561 ms

Clifton-Leisure-Centre-Single-Ply-Image-768x432.jpg

Clifton-Leisure-Centre-Single-Ply-Image-768x432.jpg

566 ms

SAM_1746-768x576.jpg

SAM_1746-768x576.jpg

597 ms

029-768x432.jpg

029-768x432.jpg

609 ms

Leicester-College-Abbey-Campus-Cladding-6-768x576.jpg

Leicester-College-Abbey-Campus-Cladding-6-768x576.jpg

698 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

626 ms

DSC7038-768x511.jpg

DSC7038-768x511.jpg

639 ms

close.png

close.png

639 ms

Accessibility Review

jarvisroofing.co.uk accessibility score

78

Accessibility Issues

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

Buttons do not have an accessible 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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

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.

Best Practices

jarvisroofing.co.uk best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jarvisroofing.co.uk SEO score

91

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 Jarvisroofing.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 Jarvisroofing.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

jarvisroofing.co.uk

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