Tools & Wizards About Us
rooflight.co.uk screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rooflight.co.uk

Rooflights - Standard and Bespoke Architectural Glazing | Rooflight Architectural

Page Load Speed

2 sec in total

First Response

262 ms

Resources Loaded

1.5 sec

Page Rendered

145 ms

rooflight.co.uk screenshot

About Website

Visit rooflight.co.uk now to see the best up-to-date Rooflight content and also check out these interesting facts you probably never knew about rooflight.co.uk

Feature and Bespoke Rooflights and Glazing, any size, any colour, structural bespoke and standard aluminium sections - Free Quotes and Advice

Visit rooflight.co.uk

Key Findings

We analyzed Rooflight.co.uk page load time and found that the first response time was 262 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

rooflight.co.uk performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value4,230 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.146

77/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

rooflight.co.uk

262 ms

www.rooflight.co.uk

469 ms

style.css

172 ms

AC_ActiveX.js

173 ms

AC_RunActiveContent.js

175 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Rooflight.co.uk, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (700 ms) belongs to the original domain Rooflight.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.8 kB (22%)

Content Size

147.0 kB

After Optimization

114.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rooflight.co.uk main page is 147.0 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. Images take 97.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 10.3 kB

  • Original 13.8 kB
  • After minification 13.0 kB
  • After compression 3.5 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 10.3 kB or 74% of the original size.

Image Optimization

-8%

Potential reduce by 8.0 kB

  • Original 97.3 kB
  • After minification 89.2 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. Rooflight images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 11.1 kB

  • Original 31.4 kB
  • After minification 27.0 kB
  • After compression 20.3 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 11.1 kB or 35% of the original size.

CSS Optimization

-73%

Potential reduce by 3.4 kB

  • Original 4.6 kB
  • After minification 3.6 kB
  • After compression 1.3 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. Rooflight.co.uk needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (52%)

Requests Now

27

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rooflight. 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

rooflight.co.uk

rooflight.co.uk

262 ms

www.rooflight.co.uk

www.rooflight.co.uk

469 ms

style.css

style.css

172 ms

AC_ActiveX.js

AC_ActiveX.js

173 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

175 ms

fader.js

fader.js

174 ms

page_style.css

page_style.css

176 ms

ga.js

ga.js

10 ms

bg.png

bg.png

87 ms

header_01.png

header_01.png

255 ms

header_02.png

header_02.png

172 ms

header_03.png

header_03.png

173 ms

header_04.png

header_04.png

180 ms

header_05.png

header_05.png

181 ms

header_06.png

header_06.png

257 ms

header_07.png

header_07.png

340 ms

header_08.png

header_08.png

352 ms

header_09.png

header_09.png

349 ms

header_10.png

header_10.png

359 ms

bk.gif

bk.gif

423 ms

tab.gif

tab.gif

425 ms

spacer.gif

spacer.gif

508 ms

line.png

line.png

520 ms

pitched.jpg

pitched.jpg

687 ms

lantern.jpg

lantern.jpg

700 ms

line.png

line.png

591 ms

sml_logo.png

sml_logo.png

604 ms

gospel_web_logo_small.png

gospel_web_logo_small.png

678 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

rooflight.co.uk accessibility score

76

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

Links do not have a discernible name

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

rooflight.co.uk best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

rooflight.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rooflight.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 Rooflight.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

rooflight.co.uk

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