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herschel-infrared.co.uk screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

herschel-infrared.co.uk

Herschel Infrared Heaters: UK No. 1 infrared heating panel manufacturer

Page Load Speed

2.1 sec in total

First Response

39 ms

Resources Loaded

1.2 sec

Page Rendered

928 ms

herschel-infrared.co.uk screenshot

About Website

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

Herschel is the UK's leading brand of Infrared Heaters. Infrared heating panels and commercial heating. Efficient electric heating.

Visit herschel-infrared.co.uk

Key Findings

We analyzed Herschel-infrared.co.uk page load time and found that the first response time was 39 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

herschel-infrared.co.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.223

56/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

herschel-infrared.co.uk

39 ms

herschel-infrared.co.uk

39 ms

www.herschel-infrared.co.uk

168 ms

style.min.css

29 ms

gutenberg-blocks.css

33 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 88% of them (68 requests) were addressed to the original Herschel-infrared.co.uk, 6% (5 requests) were made to Use.typekit.net and 1% (1 request) were made to Widget.trustpilot.com. The less responsive or slowest element that took the longest time to load (641 ms) belongs to the original domain Herschel-infrared.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.8 kB (5%)

Content Size

3.6 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Herschel-infrared.co.uk main page is 3.6 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. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 183.4 kB

  • Original 211.8 kB
  • After minification 145.3 kB
  • After compression 28.4 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 66.5 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 183.4 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 2.0 kB

  • Original 3.2 MB
  • After minification 3.2 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. Herschel Infrared images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 108 B

  • Original 64.9 kB
  • After minification 64.9 kB
  • After compression 64.8 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

-1%

Potential reduce by 1.3 kB

  • Original 93.1 kB
  • After minification 93.1 kB
  • After compression 91.7 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. Herschel-infrared.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 44 (65%)

Requests Now

68

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Herschel Infrared. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

herschel-infrared.co.uk

herschel-infrared.co.uk

39 ms

herschel-infrared.co.uk

herschel-infrared.co.uk

39 ms

www.herschel-infrared.co.uk

www.herschel-infrared.co.uk

168 ms

style.min.css

style.min.css

29 ms

gutenberg-blocks.css

gutenberg-blocks.css

33 ms

herschel-attr-fields-public.css

herschel-attr-fields-public.css

50 ms

select2.css

select2.css

35 ms

forms.min.css

forms.min.css

38 ms

wppopups-base.css

wppopups-base.css

34 ms

bootstrap-custom.css

bootstrap-custom.css

52 ms

style.css

style.css

44 ms

icons.css

icons.css

54 ms

style.css

style.css

59 ms

woocommerce.css

woocommerce.css

63 ms

style.css

style.css

61 ms

style.css

style.css

66 ms

rad-style.css

rad-style.css

70 ms

light.css

light.css

75 ms

owa6vfo.css

owa6vfo.css

196 ms

swiper-bundle.min.css

swiper-bundle.min.css

76 ms

accordion.min.css

accordion.min.css

79 ms

style.css

style.css

87 ms

style.css

style.css

90 ms

wc-blocks.css

wc-blocks.css

87 ms

wppopups.js

wppopups.js

86 ms

yith-wcmc.min.js

yith-wcmc.min.js

92 ms

selectWoo.full.min.js

selectWoo.full.min.js

94 ms

herschel-attr-fields-public.js

herschel-attr-fields-public.js

105 ms

sourcebuster.min.js

sourcebuster.min.js

101 ms

order-attribution.min.js

order-attribution.min.js

109 ms

core.min.js

core.min.js

100 ms

datepicker.min.js

datepicker.min.js

114 ms

gtm4wp-ecommerce-generic.js

gtm4wp-ecommerce-generic.js

113 ms

gtm4wp-woocommerce.js

gtm4wp-woocommerce.js

115 ms

header-cart.min.js

header-cart.min.js

118 ms

footer.min.js

footer.min.js

121 ms

script.min.js

script.min.js

126 ms

rad-app.js

rad-app.js

129 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

19 ms

public.js

public.js

141 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

74 ms

imagesloaded.min.js

imagesloaded.min.js

129 ms

masonry.min.js

masonry.min.js

115 ms

jquery.masonry.min.js

jquery.masonry.min.js

116 ms

rocket-loader.min.js

rocket-loader.min.js

105 ms

p.css

p.css

18 ms

gtm.js

gtm.js

205 ms

Herschel-infrared-logo-simple-messier-black-transparent-no-R.png

Herschel-infrared-logo-simple-messier-black-transparent-no-R.png

164 ms

SLIDER-scaled-1.jpg

SLIDER-scaled-1.jpg

167 ms

Herschel-Infrared-heaters-installed-in-home.jpg

Herschel-Infrared-heaters-installed-in-home.jpg

534 ms

Outdoor-infrared-heaters-from-Herschel-1200x700-1-768x448.jpg

Outdoor-infrared-heaters-from-Herschel-1200x700-1-768x448.jpg

252 ms

Summit-White-2600-Cafe-product-image.jpg

Summit-White-2600-Cafe-product-image.jpg

255 ms

Comfort-White-Living-Room-1200px-768x448.jpg

Comfort-White-Living-Room-1200px-768x448.jpg

153 ms

Krystal-Black-installed-in-modern-extension-768x576.jpg

Krystal-Black-installed-in-modern-extension-768x576.jpg

159 ms

Halo-All-Saints-1200x700-1-768x448.jpg

Halo-All-Saints-1200x700-1-768x448.jpg

168 ms

Comfort-Colour-Web-1024x870.jpg

Comfort-Colour-Web-1024x870.jpg

180 ms

Comfort-Window-Bracken-for-Web.jpg

Comfort-Window-Bracken-for-Web.jpg

189 ms

Showroom-Header-Small.jpg

Showroom-Header-Small.jpg

186 ms

Herschel-on-BBC.png

Herschel-on-BBC.png

323 ms

Herschel-reviewed-in-WHICH.png

Herschel-reviewed-in-WHICH.png

204 ms

More4_logo.png

More4_logo.png

348 ms

The_Telegraph-1024x167-1.png

The_Telegraph-1024x167-1.png

324 ms

Cop-26-house-e1645525813861.png

Cop-26-house-e1645525813861.png

641 ms

switch-to-electric-heating-with-Herschel-Infrared-1024x745.jpg

switch-to-electric-heating-with-Herschel-Infrared-1024x745.jpg

268 ms

Comfort-panel-3-1200x700-1-1024x597.jpg

Comfort-panel-3-1200x700-1-1024x597.jpg

284 ms

Collection-Resized-1024x438.jpg

Collection-Resized-1024x438.jpg

322 ms

Herschel-Inspire-panel-scaled-768x512.jpg

Herschel-Inspire-panel-scaled-768x512.jpg

429 ms

Heated-outdoor-bar-area-with-Herschel-heaters.jpg

Heated-outdoor-bar-area-with-Herschel-heaters.jpg

428 ms

Summit-in-Wine-Bar-600-x-430.jpg

Summit-in-Wine-Bar-600-x-430.jpg

430 ms

fa-brands-400.woff

fa-brands-400.woff

220 ms

d

d

214 ms

d

d

142 ms

fa-solid-900.woff

fa-solid-900.woff

259 ms

d

d

137 ms

d

d

182 ms

main.js

main.js

57 ms

webfontloader.min.js

webfontloader.min.js

21 ms

Accessibility Review

herschel-infrared.co.uk accessibility score

75

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

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

herschel-infrared.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

Missing source maps for large first-party JavaScript

SEO Factors

herschel-infrared.co.uk SEO score

79

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Herschel-infrared.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 Herschel-infrared.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

herschel-infrared.co.uk

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