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cassart.co.uk screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cassart.co.uk

Cass Art | Shop Quality Art Supplies at Best Prices

Page Load Speed

6.5 sec in total

First Response

251 ms

Resources Loaded

4.6 sec

Page Rendered

1.7 sec

cassart.co.uk screenshot

About Website

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

Cass Art is the UK’s leading art materials supplier. We provide the world’s best art brands at the most affordable prices. Free delivery on orders over £50

Visit cassart.co.uk

Key Findings

We analyzed Cassart.co.uk page load time and found that the first response time was 251 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

cassart.co.uk performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value1,620 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.3

39/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

cassart.co.uk

251 ms

cassart.co.uk

96 ms

www.cassart.co.uk

1068 ms

theme-bundle.polyfills.js

113 ms

theme-bundle.head_async.js

114 ms

Our browser made a total of 145 requests to load all elements on the main page. We found that 2% of them (3 requests) were addressed to the original Cassart.co.uk, 86% (125 requests) were made to Cdn11.bigcommerce.com and 2% (3 requests) were made to Js.klevu.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Instocknotify.blob.core.windows.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 655.3 kB (8%)

Content Size

7.7 MB

After Optimization

7.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cassart.co.uk main page is 7.7 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. Only a small number of websites need less resources to load. Images take 6.7 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 596.1 kB

  • Original 671.2 kB
  • After minification 586.3 kB
  • After compression 75.1 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 84.9 kB, which is 13% 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 596.1 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 102 B

  • Original 6.7 MB
  • After minification 6.7 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. Cass Art images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 59.1 kB

  • Original 327.2 kB
  • After minification 327.2 kB
  • After compression 268.1 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 59.1 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (20%)

Requests Now

135

After Optimization

108

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cass Art. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cassart.co.uk

cassart.co.uk

251 ms

cassart.co.uk

cassart.co.uk

96 ms

www.cassart.co.uk

www.cassart.co.uk

1068 ms

theme-bundle.polyfills.js

theme-bundle.polyfills.js

113 ms

theme-bundle.head_async.js

theme-bundle.head_async.js

114 ms

klevu.js

klevu.js

112 ms

settings.js

settings.js

106 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

80 ms

klevu-recs.js

klevu-recs.js

125 ms

quick-search.js

quick-search.js

132 ms

webfont.js

webfont.js

90 ms

css

css

90 ms

theme-e8d45be0-f9df-013c-1a5e-3e9b01c0641f.css

theme-e8d45be0-f9df-013c-1a5e-3e9b01c0641f.css

123 ms

google_analytics4-713b0679de97617cc4e76fe4e93785e694e91683.js

google_analytics4-713b0679de97617cc4e76fe4e93785e694e91683.js

113 ms

loader.js

loader.js

115 ms

bodl-consent-eced236bd7d5d1675a7704c806ce0cb5b24e44fb.js

bodl-consent-eced236bd7d5d1675a7704c806ce0cb5b24e44fb.js

111 ms

consent-manager-config-5edf125d18567d446f4455700afff129fcf07359.js

consent-manager-config-5edf125d18567d446f4455700afff129fcf07359.js

125 ms

consent-manager-08633fe15aba542118c03f6d45457262fa9fac88.js

consent-manager-08633fe15aba542118c03f6d45457262fa9fac88.js

126 ms

swym-bigcommerce.js

swym-bigcommerce.js

103 ms

index.js

index.js

182 ms

klarna.js

klarna.js

106 ms

theme-bundle.main.js

theme-bundle.main.js

118 ms

csrf-protection-header-5eeddd5de78d98d146ef4fd71b2aedce4161903e.js

csrf-protection-header-5eeddd5de78d98d146ef4fd71b2aedce4161903e.js

116 ms

payhelm.1.0.0.js

payhelm.1.0.0.js

115 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

97 ms

89825be092b644909d1f95ba22b4a886.js

89825be092b644909d1f95ba22b4a886.js

2740 ms

hotjar-3180473.js

hotjar-3180473.js

2591 ms

cass_logo_1_1649860539__37002.original.png

cass_logo_1_1649860539__37002.original.png

2566 ms

brandMobileMenu.jpg

brandMobileMenu.jpg

1080 ms

cass-art-range-2024-nav-promo-winsor-newton.jpg

cass-art-range-2024-nav-promo-winsor-newton.jpg

1076 ms

cass-art-collection-oil-2024-nav-promo-4.jpg

cass-art-collection-oil-2024-nav-promo-4.jpg

1040 ms

cass-art-markers-2024-nav-promo-posca.jpg

cass-art-markers-2024-nav-promo-posca.jpg

1040 ms

300px-mobile-images_0007_paint__13397.original.jpg

300px-mobile-images_0007_paint__13397.original.jpg

1040 ms

14-05-2024-liquitex-nav-promo.jpg

14-05-2024-liquitex-nav-promo.jpg

1074 ms

13-04-2024-daniel-smith-sale-nav-promo.jpg

13-04-2024-daniel-smith-sale-nav-promo.jpg

1074 ms

300px-mobile-images_0006_drawing__43657.original.jpg

300px-mobile-images_0006_drawing__43657.original.jpg

1075 ms

29-11-2023-copic-sale-nav-promo-2.jpg

29-11-2023-copic-sale-nav-promo-2.jpg

1079 ms

16-05-2024-derwent-pencils-nav-promo.jpg

16-05-2024-derwent-pencils-nav-promo.jpg

1078 ms

fine-writing-calligraphy-m-nav__88951.original.jpg

fine-writing-calligraphy-m-nav__88951.original.jpg

1077 ms

fine-writing-calligraphy-toms-studio-nav-promo-2.jpg

fine-writing-calligraphy-toms-studio-nav-promo-2.jpg

1076 ms

fine-writing-calligraphy-nav-promo-2.jpg

fine-writing-calligraphy-nav-promo-2.jpg

1079 ms

300px-mobile-images_0004_paper__33207.original.jpg

300px-mobile-images_0004_paper__33207.original.jpg

1157 ms

300px-mobile-images_0003_canvas__68074.original.jpg

300px-mobile-images_0003_canvas__68074.original.jpg

1162 ms

30-04-2024-all-canvas-promo-nav-promo.jpg

30-04-2024-all-canvas-promo-nav-promo.jpg

1079 ms

300px-mobile-images_0005_studio__69171.original.jpg

300px-mobile-images_0005_studio__69171.original.jpg

1160 ms

12-05-2024-mabef-easel-flash-sale-nav-promo.jpg

12-05-2024-mabef-easel-flash-sale-nav-promo.jpg

1159 ms

03-03-2024-daylight-nav-promo.jpg

03-03-2024-daylight-nav-promo.jpg

1158 ms

300px-mobile-images_0002_craft__48671.original.jpg

300px-mobile-images_0002_craft__48671.original.jpg

1161 ms

christmas-printmaking-gifts-2023-nav-promo.jpg

christmas-printmaking-gifts-2023-nav-promo.jpg

1161 ms

inspireMobileMenu.jpg

inspireMobileMenu.jpg

1165 ms

account.svg

account.svg

1162 ms

wishlist.svg

wishlist.svg

1168 ms

location.svg

location.svg

1170 ms

question.svg

question.svg

1165 ms

search.svg

search.svg

1174 ms

watercolour-flash-sale-hp-d-header.jpg

watercolour-flash-sale-hp-d-header.jpg

1172 ms

14-05-2024-liquitex-hp-d-header.jpg

14-05-2024-liquitex-hp-d-header.jpg

1171 ms

13-04-2024-daniel-smith-sale-hp-d-header.jpg

13-04-2024-daniel-smith-sale-hp-d-header.jpg

1170 ms

13-05-2024-pith-yellow-hp-d-header.jpg

13-05-2024-pith-yellow-hp-d-header.jpg

1175 ms

15-02-2024-cass-art-main-prize-bg-category-page-bg.jpg

15-02-2024-cass-art-main-prize-bg-category-page-bg.jpg

1172 ms

cass-art-watercolour-paint-2024-category-block.jpg

cass-art-watercolour-paint-2024-category-block.jpg

1176 ms

1-cass-art-acrylic-paint-2024-category-block-copy.jpg

1-cass-art-acrylic-paint-2024-category-block-copy.jpg

1175 ms

cass-art-oil-paint-aug2023.jpg

cass-art-oil-paint-aug2023.jpg

1177 ms

the-cass-art-canvas-2024-category-block-copy.jpg

the-cass-art-canvas-2024-category-block-copy.jpg

145 ms

the-cass-art-brushes-2024-category-block-copy.jpg

the-cass-art-brushes-2024-category-block-copy.jpg

145 ms

Inter-Regular.ttf

Inter-Regular.ttf

166 ms

Inter-VariableFont_slnt,wght.ttf

Inter-VariableFont_slnt,wght.ttf

135 ms

Inter-Light.ttf

Inter-Light.ttf

132 ms

Inter-SemiBold.ttf

Inter-SemiBold.ttf

133 ms

Inter-Bold.ttf

Inter-Bold.ttf

132 ms

Trade-Gothic-LT-Bold.ttf

Trade-Gothic-LT-Bold.ttf

130 ms

Trade-Gothic-LT.ttf

Trade-Gothic-LT.ttf

135 ms

the-cass-art-easels-2024-category-block-copy.jpg

the-cass-art-easels-2024-category-block-copy.jpg

132 ms

the-cass-art-pens-2024-category-block-posca-copy.jpg

the-cass-art-pens-2024-category-block-posca-copy.jpg

133 ms

the-cass-art-pencils-2024-category-block-derwent-sets-copy.jpg

the-cass-art-pencils-2024-category-block-derwent-sets-copy.jpg

132 ms

the-cass-art-watercolour-paper-2024-category-block-copy.jpg

the-cass-art-watercolour-paper-2024-category-block-copy.jpg

206 ms

cass-art-pastels-2024-category-block-sennelier.jpg

cass-art-pastels-2024-category-block-sennelier.jpg

131 ms

the-cass-art-collection-range-2024-category-block-copy.jpg

the-cass-art-collection-range-2024-category-block-copy.jpg

206 ms

nobot

nobot

173 ms

nobot

nobot

184 ms

cass-art-studio-lighting-2024-category-block.jpg

cass-art-studio-lighting-2024-category-block.jpg

128 ms

the-cass-art-luxury-gifts-rembrandt-copy.jpg

the-cass-art-luxury-gifts-rembrandt-copy.jpg

128 ms

cass-art-fine-writing-2024-category-block-toms-studio.jpg

cass-art-fine-writing-2024-category-block-toms-studio.jpg

130 ms

cassart-crafts-2024-category-block-copy.jpg

cassart-crafts-2024-category-block-copy.jpg

128 ms

sale-2023-luxury-rembrandt-category-block.jpg

sale-2023-luxury-rembrandt-category-block.jpg

139 ms

cass-art-winsor-and-newton.jpg

cass-art-winsor-and-newton.jpg

136 ms

sale-2023-category-tiles-acrylic-paint-golden-tile.jpg

sale-2023-category-tiles-acrylic-paint-golden-tile.jpg

135 ms

sale-2023-category-tiles-oil-paint-mh-tile.jpg

sale-2023-category-tiles-oil-paint-mh-tile.jpg

132 ms

sale-2023-category-tiles-canvas-sale-tile.jpg

sale-2023-category-tiles-canvas-sale-tile.jpg

127 ms

sale-2023-easels-3-category-block.jpg

sale-2023-easels-3-category-block.jpg

125 ms

08-05-2024-winter-sale-2024-brushes-tile.jpg

08-05-2024-winter-sale-2024-brushes-tile.jpg

138 ms

08-05-2024-winter-sale-2024-paper-sketchbooks-tile.jpg

08-05-2024-winter-sale-2024-paper-sketchbooks-tile.jpg

138 ms

sale-2023-brand-tiles-copic-copic.jpg

sale-2023-brand-tiles-copic-copic.jpg

139 ms

08-05-2024-winter-sale-2024-pencils-faber-castell-tile.jpg

08-05-2024-winter-sale-2024-pencils-faber-castell-tile.jpg

137 ms

sale-2023-category-tiles-pastels-single-tile.jpg

sale-2023-category-tiles-pastels-single-tile.jpg

145 ms

sale-2023-category-tiles-archival-box-tile.jpg

sale-2023-category-tiles-archival-box-tile.jpg

133 ms

08-05-2024-winter-sale-2024-cass-art-markers-2-tile.jpg

08-05-2024-winter-sale-2024-cass-art-markers-2-tile.jpg

152 ms

sale-2023-category-tiles-lino-cutting-printing-kit-essdee-tile.jpg

sale-2023-category-tiles-lino-cutting-printing-kit-essdee-tile.jpg

149 ms

summer-sale-2024-clearance-tile.jpg

summer-sale-2024-clearance-tile.jpg

151 ms

christmas-luxury-gifts-2-2023-category-block.jpg

christmas-luxury-gifts-2-2023-category-block.jpg

148 ms

michael-harding-luxury-gifts.jpg

michael-harding-luxury-gifts.jpg

154 ms

christmas-watercolour-gifts-2-category-block.jpg

christmas-watercolour-gifts-2-category-block.jpg

156 ms

modules.404c8789d11e259a4872.js

modules.404c8789d11e259a4872.js

104 ms

christmas-2023-acrylic-paint-tiles.jpg

christmas-2023-acrylic-paint-tiles.jpg

146 ms

daylight-company-studio-lighting-christmas.jpg

daylight-company-studio-lighting-christmas.jpg

140 ms

pastels-category-block-2222.jpg

pastels-category-block-2222.jpg

143 ms

christmas-cass-art-markers-3-category-block.jpg

christmas-cass-art-markers-3-category-block.jpg

145 ms

christmas-printmaking-crafts-lino-kit-category-block.jpg

christmas-printmaking-crafts-lino-kit-category-block.jpg

149 ms

easelslpgreen.jpg

easelslpgreen.jpg

147 ms

fine-writing-calligraphy-by-type-fountain-pens-toms-studio-2.jpg

fine-writing-calligraphy-by-type-fountain-pens-toms-studio-2.jpg

158 ms

seawhite.jpg

seawhite.jpg

160 ms

16-05-2024-derwent-pencils-promo-tile.jpg

16-05-2024-derwent-pencils-promo-tile.jpg

158 ms

13-05-2024-spray-paint-sale-promo.jpg

13-05-2024-spray-paint-sale-promo.jpg

157 ms

13-05-2024-loxley.jpg

13-05-2024-loxley.jpg

159 ms

sale-2023-brand-tiles-michael-harding.jpg

sale-2023-brand-tiles-michael-harding.jpg

99 ms

summer-sale-2024-winsor-newton-canvas.jpg

summer-sale-2024-winsor-newton-canvas.jpg

100 ms

summer-sale-2024-winsor-newton-watercolour-set.jpg

summer-sale-2024-winsor-newton-watercolour-set.jpg

95 ms

08-05-2024-winter-sale-2024-clairefontaine-white-tile.jpg

08-05-2024-winter-sale-2024-clairefontaine-white-tile.jpg

99 ms

summer-sale-2024-system3-set-2.jpg

summer-sale-2024-system3-set-2.jpg

99 ms

08-05-2024-winter-sale-2024-strathmore-tile.jpg

08-05-2024-winter-sale-2024-strathmore-tile.jpg

102 ms

08-05-2024-winter-sale-2024-golden-tile.jpg

08-05-2024-winter-sale-2024-golden-tile.jpg

115 ms

08-05-2024-winter-sale-2024-caran-dache-tile.jpg

08-05-2024-winter-sale-2024-caran-dache-tile.jpg

105 ms

09-02-2024-cass-celebrating-40th-d-header.jpg

09-02-2024-cass-celebrating-40th-d-header.jpg

106 ms

hp-product-highlights-11-dec-cass-art-watercolour-bundle.jpg

hp-product-highlights-11-dec-cass-art-watercolour-bundle.jpg

104 ms

hp-product-highlights-11-dec-michael-harding-plein-air.jpg

hp-product-highlights-11-dec-michael-harding-plein-air.jpg

108 ms

hp-product-highlights-11-dec-winsor-newton-brushes.jpg

hp-product-highlights-11-dec-winsor-newton-brushes.jpg

114 ms

cass-art-your-favourites-sept2023-prod-feature-05.jpg

cass-art-your-favourites-sept2023-prod-feature-05.jpg

119 ms

hp-product-highlights-11-dec-turner-24-set.jpg

hp-product-highlights-11-dec-turner-24-set.jpg

111 ms

hp-product-highlights-11-dec-caran-dache-keith-haring-2.jpg

hp-product-highlights-11-dec-caran-dache-keith-haring-2.jpg

127 ms

30-04-2024-hp-product-highlights-posca-40-markers.jpg

30-04-2024-hp-product-highlights-posca-40-markers.jpg

128 ms

15-05-2024-hp-new-arrivals-schmincke.jpg

15-05-2024-hp-new-arrivals-schmincke.jpg

111 ms

15-05-2024-hp-new-arrivals-teaching-art-wooden-folding-print-rack.jpg

15-05-2024-hp-new-arrivals-teaching-art-wooden-folding-print-rack.jpg

117 ms

15-05-2024-hp-new-arrivals-sennelier-oil-sticks-6.jpg

15-05-2024-hp-new-arrivals-sennelier-oil-sticks-6.jpg

119 ms

30-04-2024-hp-product-highlights-tom-studio-fineliners.jpg

30-04-2024-hp-product-highlights-tom-studio-fineliners.jpg

105 ms

15-05-2024-hp-new-arrivals-pastel-bundle.jpg

15-05-2024-hp-new-arrivals-pastel-bundle.jpg

114 ms

cass-art-prize-writing-a-bio.jpg

cass-art-prize-writing-a-bio.jpg

115 ms

15-03-2023-hp-product-highlights-articles-artboard-1.jpg

15-03-2023-hp-product-highlights-articles-artboard-1.jpg

119 ms

lydia-merrett-studio.jpg

lydia-merrett-studio.jpg

119 ms

15-03-2023-hp-artist-spotlights-sky-arts-landscape-artist-of-the-year.jpg

15-03-2023-hp-artist-spotlights-sky-arts-landscape-artist-of-the-year.jpg

124 ms

cass-history-home.jpg

cass-history-home.jpg

118 ms

cass-art-islington-223.jpg

cass-art-islington-223.jpg

112 ms

group-9-1.png

group-9-1.png

115 ms

logo-googlepay.png

logo-googlepay.png

116 ms

logo-applepay.png

logo-applepay.png

116 ms

logo-klarna.png

logo-klarna.png

122 ms

Accessibility Review

cassart.co.uk accessibility score

79

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

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

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cassart.co.uk best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cassart.co.uk SEO score

83

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

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 Cassart.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 Cassart.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

cassart.co.uk

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