Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

customheat.co.uk

Heating Engineers & Plumbers in Rugby - Custom Heat Limited

Page Load Speed

1.6 sec in total

First Response

37 ms

Resources Loaded

813 ms

Page Rendered

730 ms

About Website

Click here to check amazing Custom Heat content. Otherwise, check out these important facts you probably never knew about customheat.co.uk

Rugby's local Plumbing, Gas & Heating and Electrical Engineers for residential homes, landlords and businesses.

Visit customheat.co.uk

Key Findings

We analyzed Customheat.co.uk page load time and found that the first response time was 37 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

customheat.co.uk performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,290 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.165

71/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

customheat.co.uk

37 ms

customheat.co.uk

385 ms

wc-blocks-vendors-style.css

40 ms

wc-blocks-style.css

29 ms

woocommerce-layout.css

24 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 84% of them (51 requests) were addressed to the original Customheat.co.uk, 10% (6 requests) were made to Use.typekit.net and 2% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (385 ms) belongs to the original domain Customheat.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.3 kB (22%)

Content Size

372.9 kB

After Optimization

290.6 kB

In fact, the total size of Customheat.co.uk main page is 372.9 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 205.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 82.0 kB

  • Original 95.8 kB
  • After minification 81.8 kB
  • After compression 13.8 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 14.0 kB, which is 15% 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 82.0 kB or 86% of the original size.

JavaScript Optimization

-0%

Potential reduce by 188 B

  • Original 205.0 kB
  • After minification 205.0 kB
  • After compression 204.8 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 110 B

  • Original 72.1 kB
  • After minification 72.1 kB
  • After compression 72.0 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. Customheat.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 46 (85%)

Requests Now

54

After Optimization

8

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Custom Heat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

customheat.co.uk accessibility score

86

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

Image elements do not have [alt] attributes

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

customheat.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

customheat.co.uk SEO score

93

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

Image elements do not have [alt] attributes

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 Customheat.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 Customheat.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

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