Tools & Wizards About Us
grantuk.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

grantuk.com

Award Winning HVO compatible boilers, air source heat pumps & renewable heating from Grant UK

Page Load Speed

2.5 sec in total

First Response

163 ms

Resources Loaded

1.8 sec

Page Rendered

507 ms

grantuk.com screenshot

About Website

Visit grantuk.com now to see the best up-to-date Grant UK content for United Kingdom and also check out these interesting facts you probably never knew about grantuk.com

Grant UK's award winning HVO compatible condensing boilers, air source heat pumps and other renewable heating products have a reputation for quality that is second to none

Visit grantuk.com

Key Findings

We analyzed Grantuk.com page load time and found that the first response time was 163 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

grantuk.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

grantuk.com

163 ms

www.grantuk.com

507 ms

css

239 ms

tp.widget.bootstrap.min.js

23 ms

api.js

45 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 42% of them (16 requests) were addressed to the original Grantuk.com, 18% (7 requests) were made to Use.typekit.net and 13% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (751 ms) belongs to the original domain Grantuk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.2 kB (21%)

Content Size

499.9 kB

After Optimization

396.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Grantuk.com main page is 499.9 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. 45% of websites need less resources to load. Javascripts take 289.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 65.9 kB

  • Original 75.5 kB
  • After minification 50.7 kB
  • After compression 9.6 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 24.8 kB, which is 33% 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 65.9 kB or 87% of the original size.

Image Optimization

-32%

Potential reduce by 35.9 kB

  • Original 110.5 kB
  • After minification 74.6 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. Obviously, Grant UK needs image optimization as it can save up to 35.9 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.4 kB

  • Original 289.3 kB
  • After minification 289.3 kB
  • After compression 287.8 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 5 B

  • Original 24.6 kB
  • After minification 24.6 kB
  • After compression 24.6 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. Grantuk.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (41%)

Requests Now

27

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grant UK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

grantuk.com

grantuk.com

163 ms

www.grantuk.com

www.grantuk.com

507 ms

css

css

239 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

23 ms

api.js

api.js

45 ms

js

js

72 ms

js

js

549 ms

zwv8qkh.css

zwv8qkh.css

123 ms

p.css

p.css

46 ms

recaptcha__en.js

recaptcha__en.js

67 ms

icons__defs.svg

icons__defs.svg

265 ms

homeowner-hero_-family-and-heat-pump-2.jpg

homeowner-hero_-family-and-heat-pump-2.jpg

264 ms

new-aerona-smart-controller-from-grant-uk.jpg

new-aerona-smart-controller-from-grant-uk.jpg

331 ms

potential-homeowner-image-2.jpg

potential-homeowner-image-2.jpg

331 ms

grant-vortex-pro-boilers-10-year-g1-guarantee.jpg

grant-vortex-pro-boilers-10-year-g1-guarantee.jpg

635 ms

section-1_smart-controller.jpg

section-1_smart-controller.jpg

431 ms

online-customer-support-centre-from-grant-uk.jpg

online-customer-support-centre-from-grant-uk.jpg

751 ms

evolink-website-image.jpg

evolink-website-image.jpg

430 ms

heat-pump-noise-video-still.jpg

heat-pump-noise-video-still.jpg

429 ms

cyber-essentials-plus-logo.png

cyber-essentials-plus-logo.png

483 ms

iso-logos.png

iso-logos.png

507 ms

trustmark.png

trustmark.png

506 ms

d

d

64 ms

d

d

62 ms

d

d

63 ms

d

d

60 ms

d

d

61 ms

d

d

62 ms

anchor

anchor

50 ms

styles__ltr.css

styles__ltr.css

4 ms

recaptcha__en.js

recaptcha__en.js

10 ms

EghGp72f3L_y9HVk4Nn8Vk_BAMWB9fGIEzP3DzvQDW8.js

EghGp72f3L_y9HVk4Nn8Vk_BAMWB9fGIEzP3DzvQDW8.js

97 ms

webworker.js

webworker.js

113 ms

logo_48.png

logo_48.png

74 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

42 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

55 ms

KFOlCnqEu92Fr1MmYUtfBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmYUtfBBc9AMP6lQ.ttf

69 ms

recaptcha__en.js

recaptcha__en.js

12 ms

Accessibility Review

grantuk.com 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

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

grantuk.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

grantuk.com SEO score

88

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

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 Grantuk.com 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 Grantuk.com 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

grantuk.com

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