Tools & Wizards About Us
calor.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

calor.co.uk

Domestic & Bulk LPG Supplier For Off Grid Heating and Energy

Page Load Speed

4.8 sec in total

First Response

878 ms

Resources Loaded

3.4 sec

Page Rendered

497 ms

calor.co.uk screenshot

About Website

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

Calor Gas is the UK's leading LPG supplier. We offer a range of off grid energy options for heating, cooking and other needs, to homes and businesses.

Visit calor.co.uk

Key Findings

We analyzed Calor.co.uk page load time and found that the first response time was 878 ms and then it took 3.9 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

calor.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

Network Requests Diagram

www.calor.co.uk

878 ms

lazysizes.js

27 ms

shvwebfonts.css

429 ms

calorUK.css

832 ms

vendor.js

30 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 9% of them (3 requests) were addressed to the original Calor.co.uk, 48% (16 requests) were made to Cdn.calor.co.uk and 18% (6 requests) were made to C.evidon.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Cdn.calor.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 923.8 kB (73%)

Content Size

1.3 MB

After Optimization

346.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Calor.co.uk main page is 1.3 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. 60% of websites need less resources to load. Javascripts take 555.9 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 195.5 kB

  • Original 220.7 kB
  • After minification 143.7 kB
  • After compression 25.2 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 77.0 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 195.5 kB or 89% of the original size.

Image Optimization

-6%

Potential reduce by 2.2 kB

  • Original 36.0 kB
  • After minification 33.8 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. Calor images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 334.2 kB

  • Original 555.9 kB
  • After minification 555.8 kB
  • After compression 221.7 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 334.2 kB or 60% of the original size.

CSS Optimization

-86%

Potential reduce by 392.0 kB

  • Original 457.6 kB
  • After minification 452.9 kB
  • After compression 65.7 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. Calor.co.uk needs all CSS files to be minified and compressed as it can save up to 392.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (65%)

Requests Now

26

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calor. 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 as a result speed up the page load time.

Network Requests Diagram

www.calor.co.uk

www.calor.co.uk

878 ms

lazysizes.js

lazysizes.js

27 ms

shvwebfonts.css

shvwebfonts.css

429 ms

calorUK.css

calorUK.css

832 ms

vendor.js

vendor.js

30 ms

scripts.js

scripts.js

29 ms

foundation.js

foundation.js

645 ms

shvenergy.WizardCookieBanner.js

shvenergy.WizardCookieBanner.js

25 ms

search-script.min.js

search-script.min.js

46 ms

evidon-sitenotice-tag.js

evidon-sitenotice-tag.js

696 ms

country.js

country.js

747 ms

snthemes.js

snthemes.js

713 ms

gtm.js

gtm.js

746 ms

icons.svg

icons.svg

693 ms

calor-logo.svg

calor-logo.svg

704 ms

2y8a0041-resized.jpg

2y8a0041-resized.jpg

689 ms

Gotham-Bold.woff

Gotham-Bold.woff

680 ms

Gotham-Medium.woff

Gotham-Medium.woff

665 ms

Gotham-Book.woff

Gotham-Book.woff

681 ms

Gotham-Light.woff

Gotham-Light.woff

666 ms

CharterITCStd-Regular.woff

CharterITCStd-Regular.woff

1114 ms

CharterITCStd-Bold.woff

CharterITCStd-Bold.woff

1214 ms

36b22ef1-6f55-49c7-82c3-895ed565920d

36b22ef1-6f55-49c7-82c3-895ed565920d

321 ms

settingsV2.js

settingsV2.js

35 ms

en-85244.js

en-85244.js

3 ms

evidon-banner.js

evidon-banner.js

35 ms

bat.js

bat.js

41 ms

infinitytrack.js

infinitytrack.js

27 ms

5219817.js

5219817.js

14 ms

5219817

5219817

39 ms

clarity.js

clarity.js

14 ms

print.css

print.css

364 ms

c.gif

c.gif

7 ms

Accessibility Review

calor.co.uk accessibility score

93

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

calor.co.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

calor.co.uk SEO score

90

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

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 Calor.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 Calor.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

calor.co.uk

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