Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

andrewswaterheaters.co.uk

Gas fired water heaters | Andrews Water Heaters

Page Load Speed

5.2 sec in total

First Response

1 sec

Resources Loaded

3.8 sec

Page Rendered

382 ms

andrewswaterheaters.co.uk screenshot

About Website

Welcome to andrewswaterheaters.co.uk homepage info - get ready to check Andrews Water Heaters best content for United Kingdom right away, or after learning these important things about andrewswaterheaters.co.uk

UK's market-leading manufacturer of high performance commercial gas fired water heaters, providing hot water delivery to meet the requirements of the most demanding applications.

Visit andrewswaterheaters.co.uk

Key Findings

We analyzed Andrewswaterheaters.co.uk page load time and found that the first response time was 1 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

andrewswaterheaters.co.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

andrewswaterheaters.co.uk

1022 ms

www.andrewswaterheaters.co.uk

268 ms

index.htm

395 ms

grids-core.css

226 ms

grids-r.css

217 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 64% of them (41 requests) were addressed to the original Andrewswaterheaters.co.uk, 14% (9 requests) were made to Google.com and 9% (6 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Andrewswaterheaters.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.6 kB (23%)

Content Size

1.1 MB

After Optimization

866.1 kB

In fact, the total size of Andrewswaterheaters.co.uk main page is 1.1 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 739.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.6 kB

  • Original 46.9 kB
  • After minification 32.4 kB
  • After compression 8.4 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 14.5 kB, which is 31% 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 38.6 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 12.6 kB

  • Original 739.9 kB
  • After minification 727.3 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. Andrews Water Heaters images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 118.1 kB

  • Original 235.8 kB
  • After minification 228.6 kB
  • After compression 117.7 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 118.1 kB or 50% of the original size.

CSS Optimization

-87%

Potential reduce by 84.4 kB

  • Original 97.1 kB
  • After minification 64.3 kB
  • After compression 12.7 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. Andrewswaterheaters.co.uk needs all CSS files to be minified and compressed as it can save up to 84.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (59%)

Requests Now

56

After Optimization

23

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Andrews Water Heaters. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

andrewswaterheaters.co.uk accessibility score

96

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

andrewswaterheaters.co.uk best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

andrewswaterheaters.co.uk SEO score

93

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Andrewswaterheaters.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Andrewswaterheaters.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 description is not detected on the main page of Andrews Water Heaters. 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: