Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

swaleheating.com

Swale Heating - Home Boiler & Heating Solutions

Page Load Speed

8.8 sec in total

First Response

376 ms

Resources Loaded

2.5 sec

Page Rendered

5.9 sec

swaleheating.com screenshot

About Website

Click here to check amazing Swale Heating content for United Kingdom. Otherwise, check out these important facts you probably never knew about swaleheating.com

Swale Heating keep over 140,000 households across the South East, London and East Anglia safe and warm. Contact us today to find out about our services!

Visit swaleheating.com

Key Findings

We analyzed Swaleheating.com page load time and found that the first response time was 376 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

swaleheating.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

swaleheating.com

376 ms

gtm.js

90 ms

js

189 ms

css2

147 ms

bootstrap.css

360 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 77% of them (63 requests) were addressed to the original Swaleheating.com, 5% (4 requests) were made to Googletagmanager.com and 5% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Swaleheating.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (22%)

Content Size

7.3 MB

After Optimization

5.7 MB

In fact, the total size of Swaleheating.com main page is 7.3 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 89.3 kB

  • Original 102.4 kB
  • After minification 66.3 kB
  • After compression 13.1 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 36.1 kB, which is 35% 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 89.3 kB or 87% of the original size.

Image Optimization

-21%

Potential reduce by 1.4 MB

  • Original 6.9 MB
  • After minification 5.5 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. Obviously, Swale Heating needs image optimization as it can save up to 1.4 MB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-25%

Potential reduce by 50.5 kB

  • Original 205.3 kB
  • After minification 198.4 kB
  • After compression 154.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 50.5 kB or 25% of the original size.

CSS Optimization

-43%

Potential reduce by 22.6 kB

  • Original 52.5 kB
  • After minification 52.5 kB
  • After compression 29.9 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. Swaleheating.com needs all CSS files to be minified and compressed as it can save up to 22.6 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (26%)

Requests Now

76

After Optimization

56

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swale Heating. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

swaleheating.com accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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>).

Best Practices

swaleheating.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

Page has valid source maps

SEO Factors

swaleheating.com SEO score

98

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

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 Swaleheating.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 Swaleheating.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

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