Tools & Wizards About Us
cassart.co.uk screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

cassart.co.uk

Cass Art | Shop Quality Art Supplies at Best Prices

Page Load Speed

2.4 sec in total

First Response

207 ms

Resources Loaded

1.9 sec

Page Rendered

265 ms

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 207 ms and then it took 2.2 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

cassart.co.uk performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

28/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value4,080 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.236

53/100

15%

TTI (Time to Interactive)

Value21.6 s

1/100

10%

Network Requests Diagram

cassart.co.uk

207 ms

www.cassart.co.uk

600 ms

css.css

329 ms

custom_css.css

262 ms

js.js

90 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 28% of them (15 requests) were addressed to the original Cassart.co.uk, 9% (5 requests) were made to D16wp86s16nsnf.cloudfront.net and 8% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (600 ms) belongs to the original domain Cassart.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.2 kB (24%)

Content Size

864.5 kB

After Optimization

657.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cassart.co.uk main page is 864.5 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. 45% of websites need less resources to load. Images take 528.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 57.4 kB

  • Original 72.3 kB
  • After minification 69.9 kB
  • After compression 14.9 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 57.4 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 9.1 kB

  • Original 528.9 kB
  • After minification 519.8 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. Cass Art images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 140.8 kB

  • Original 263.3 kB
  • After minification 263.1 kB
  • After compression 122.5 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 140.8 kB or 53% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (47%)

Requests Now

45

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 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 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cassart.co.uk

cassart.co.uk

207 ms

www.cassart.co.uk

www.cassart.co.uk

600 ms

css.css

css.css

329 ms

custom_css.css

custom_css.css

262 ms

js.js

js.js

90 ms

seal.js

seal.js

219 ms

api.js

api.js

68 ms

ld.js

ld.js

102 ms

994x380.crop.0825_January_Draw_Campaign_Homepage_994px_Banner_PR_01.jpg

994x380.crop.0825_January_Draw_Campaign_Homepage_994px_Banner_PR_01.jpg

273 ms

bg_shadow.png

bg_shadow.png

146 ms

logo.png

logo.png

208 ms

gtm.js

gtm.js

208 ms

bg_shadow_dark.png

bg_shadow_dark.png

242 ms

grouped.png

grouped.png

497 ms

arrow_down.png

arrow_down.png

362 ms

bg_shadow_dark02.png

bg_shadow_dark02.png

348 ms

atrk.js

atrk.js

190 ms

TradeGothicLT.woff

TradeGothicLT.woff

418 ms

tradegothicltstd-bdcn20-webfont-webfont.woff

tradegothicltstd-bdcn20-webfont-webfont.woff

417 ms

bg_line_full_width.png

bg_line_full_width.png

331 ms

bg_shadow_footer.png

bg_shadow_footer.png

452 ms

seal_image.php

seal_image.php

94 ms

140x140.fit.018015.jpg

140x140.fit.018015.jpg

250 ms

140x140.fit.003753_option.jpg

140x140.fit.003753_option.jpg

248 ms

140x140.fit.pigment_liners.jpg

140x140.fit.pigment_liners.jpg

247 ms

recaptcha__en.js

recaptcha__en.js

249 ms

gid5z6i4

gid5z6i4

169 ms

140x140.fit.24hp.jpg

140x140.fit.24hp.jpg

177 ms

140x140.fit.liquitex_set_3.jpg

140x140.fit.liquitex_set_3.jpg

183 ms

238x122.crop.ASSG%201.1.jpg

238x122.crop.ASSG%201.1.jpg

193 ms

238x122.crop.Hara%20Takayuki%20Hidden%20Place.jpg

238x122.crop.Hara%20Takayuki%20Hidden%20Place.jpg

183 ms

238x122.crop.Batsford%20Prize%202016%20600x600.jpg

238x122.crop.Batsford%20Prize%202016%20600x600.jpg

181 ms

waiter.gif

waiter.gif

364 ms

140x140.fit.5011385935004%20-%20802%20000%20001%20-%20St%20Pauls%20Sketching%20Easel.jpg

140x140.fit.5011385935004%20-%20802%20000%20001%20-%20St%20Pauls%20Sketching%20Easel.jpg

181 ms

event

event

234 ms

analytics.js

analytics.js

152 ms

conversion_async.js

conversion_async.js

150 ms

sessioncam.recorder.js

sessioncam.recorder.js

193 ms

atrk.gif

atrk.gif

138 ms

ev1

ev1

69 ms

event

event

353 ms

117 ms

ec.js

ec.js

72 ms

collect

collect

112 ms

87 ms

collect

collect

79 ms

config.aspx

config.aspx

73 ms

collect

collect

34 ms

collect

collect

44 ms

24 ms

push

push

47 ms

19 ms

ga-audiences

ga-audiences

19 ms

Accessibility Review

cassart.co.uk accessibility score

86

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

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

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

cassart.co.uk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cassart.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

    N/A

  • Encoding

    N/A

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 neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cassart.co.uk main page’s claimed encoding is . 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

cassart.co.uk

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