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heatflo.co.uk screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

heatflo.co.uk

Welcome to Heatflo, Plumbing and Heating services for Cambridge, Ely, Newmarket

Page Load Speed

3 sec in total

First Response

379 ms

Resources Loaded

2.6 sec

Page Rendered

116 ms

heatflo.co.uk screenshot

About Website

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

Heatflo Plumbing and Heating Services offer a high quality, professional, friendly service dealing in all types of fuel including gas, LPG, oil, solar and renewables.

Visit heatflo.co.uk

Key Findings

We analyzed Heatflo.co.uk page load time and found that the first response time was 379 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

heatflo.co.uk performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

heatflo.co.uk

379 ms

heatflostyle.css

100 ms

ga.js

21 ms

heatflo_logo.gif

108 ms

flo_red.gif

209 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Heatflo.co.uk, 11% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Heatflo.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.7 kB (24%)

Content Size

155.4 kB

After Optimization

117.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heatflo.co.uk main page is 155.4 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 97.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 7.8 kB

  • Original 11.2 kB
  • After minification 10.4 kB
  • After compression 3.4 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. 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 7.8 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 238 B

  • Original 97.2 kB
  • After minification 96.9 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. Heatflo images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 29.1 kB

  • Original 46.3 kB
  • After minification 46.3 kB
  • After compression 17.1 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 29.1 kB or 63% of the original size.

CSS Optimization

-70%

Potential reduce by 490 B

  • Original 702 B
  • After minification 565 B
  • After compression 212 B

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. Heatflo.co.uk needs all CSS files to be minified and compressed as it can save up to 490 B or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heatflo. According to our analytics all requests are already optimized.

Network Requests Diagram

heatflo.co.uk

heatflo.co.uk

379 ms

heatflostyle.css

heatflostyle.css

100 ms

ga.js

ga.js

21 ms

heatflo_logo.gif

heatflo_logo.gif

108 ms

flo_red.gif

flo_red.gif

209 ms

heatflo_welcome.jpg

heatflo_welcome.jpg

399 ms

heatflo_mainnav_on_01.jpg

heatflo_mainnav_on_01.jpg

517 ms

heatflo_mainnav_off_02.jpg

heatflo_mainnav_off_02.jpg

617 ms

heatflo_mainnav_off_03.jpg

heatflo_mainnav_off_03.jpg

719 ms

heatflo_mainnav_off_04.jpg

heatflo_mainnav_off_04.jpg

821 ms

heatflo_mainnav_off_05.jpg

heatflo_mainnav_off_05.jpg

925 ms

heatflo_mainnav_off_06.gif

heatflo_mainnav_off_06.gif

1029 ms

vertical_line.jpg

vertical_line.jpg

1132 ms

logos.jpg

logos.jpg

1237 ms

__utm.gif

__utm.gif

11 ms

heatflo_mainnav_on_02.jpg

heatflo_mainnav_on_02.jpg

109 ms

heatflo_mainnav_on_03.jpg

heatflo_mainnav_on_03.jpg

228 ms

heatflo_mainnav_on_06.gif

heatflo_mainnav_on_06.gif

348 ms

heatflo_mainnav_on_04.jpg

heatflo_mainnav_on_04.jpg

480 ms

Accessibility Review

heatflo.co.uk accessibility score

66

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

heatflo.co.uk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

heatflo.co.uk SEO score

54

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

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heatflo.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 Heatflo.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

heatflo.co.uk

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