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csl-web.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

csl-web.com

Web Design London - Website Design and eCommerce website design from leading London Web Design Agenc » CSL Website Design

Page Load Speed

1.4 sec in total

First Response

23 ms

Resources Loaded

1.1 sec

Page Rendered

278 ms

csl-web.com screenshot

About Website

Welcome to csl-web.com homepage info - get ready to check CSL Web best content for United Kingdom right away, or after learning these important things about csl-web.com

London's leading Web Design agency, CSL Web. Professional website designers and ecommerce websites designed by London based website designers CSL Web - The home of great website design

Visit csl-web.com

Key Findings

We analyzed Csl-web.com page load time and found that the first response time was 23 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

csl-web.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.197

63/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

csl-web.com

23 ms

csl-web.com

342 ms

www.csl-web.com

468 ms

bootstrap.css

20 ms

css

42 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 79% of them (63 requests) were addressed to the original Csl-web.com, 9% (7 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Static.olark.com. The less responsive or slowest element that took the longest time to load (468 ms) belongs to the original domain Csl-web.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.0 kB (2%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csl-web.com main page is 2.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 27.9 kB

  • Original 37.0 kB
  • After minification 34.0 kB
  • After compression 9.1 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. 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 27.9 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.0 MB
  • After minification 2.0 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. CSL Web images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 8.0 kB

  • Original 108.4 kB
  • After minification 108.3 kB
  • After compression 100.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 110 B

  • Original 42.6 kB
  • After minification 42.6 kB
  • After compression 42.5 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. Csl-web.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (54%)

Requests Now

68

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CSL Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

csl-web.com

csl-web.com

23 ms

csl-web.com

csl-web.com

342 ms

www.csl-web.com

www.csl-web.com

468 ms

bootstrap.css

bootstrap.css

20 ms

css

css

42 ms

style.css

style.css

26 ms

blue.css

blue.css

25 ms

main.css

main.css

28 ms

bootstrap-responsive.css

bootstrap-responsive.css

30 ms

chosen.css

chosen.css

29 ms

animate.css

animate.css

31 ms

blocks.css

blocks.css

35 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

39 ms

cookieconsent.min.css

cookieconsent.min.css

39 ms

cookieconsent.min.js

cookieconsent.min.js

53 ms

js

js

177 ms

contact.js

contact.js

32 ms

homepage.js

homepage.js

51 ms

bootstrap.min.js

bootstrap.min.js

36 ms

modernizr.custom.js

modernizr.custom.js

37 ms

quotes-rotator.js

quotes-rotator.js

51 ms

jquery.icheck.min.js

jquery.icheck.min.js

50 ms

jquery.validate.min.js

jquery.validate.min.js

78 ms

TweenMax.min.js

TweenMax.min.js

77 ms

jquery.superscrollorama.js

jquery.superscrollorama.js

78 ms

custom.js

custom.js

88 ms

jquery.cslider.js

jquery.cslider.js

91 ms

modernizr.custom.28468.js

modernizr.custom.28468.js

91 ms

retina-1.1.0.min.js

retina-1.1.0.min.js

93 ms

getTrackingCode

getTrackingCode

12 ms

fscript.js

fscript.js

147 ms

loader0.js

loader0.js

136 ms

logo.png

logo.png

123 ms

csl-responsive-bg.png

csl-responsive-bg.png

103 ms

csl-responsive-small.png

csl-responsive-small.png

104 ms

website-design-bg.png

website-design-bg.png

126 ms

website-design3.png

website-design3.png

104 ms

fletchers-pallets-bg.png

fletchers-pallets-bg.png

101 ms

fletchers-pallets3.png

fletchers-pallets3.png

123 ms

eCommerce-bg.png

eCommerce-bg.png

122 ms

eCommerce-design.png

eCommerce-design.png

123 ms

bakers-toolkit-bg2.png

bakers-toolkit-bg2.png

121 ms

bakers-toolkit.png

bakers-toolkit.png

128 ms

silverstripe-bghome.png

silverstripe-bghome.png

128 ms

silverstripe-home-white-badge.png

silverstripe-home-white-badge.png

124 ms

wimbledon-home-ball.png

wimbledon-home-ball.png

129 ms

darkhex.png

darkhex.png

133 ms

website-designico.png

website-designico.png

133 ms

bluehex.png

bluehex.png

138 ms

seo.png

seo.png

140 ms

cms4.png

cms4.png

156 ms

cms3.png

cms3.png

139 ms

latestmacbookair.png

latestmacbookair.png

155 ms

CroppedImage246155-dynamic-website-design-main.jpg

CroppedImage246155-dynamic-website-design-main.jpg

155 ms

CroppedImage246155-Candy-lipz-1.jpg

CroppedImage246155-Candy-lipz-1.jpg

155 ms

testimonialsbg.png

testimonialsbg.png

156 ms

socialbg.png

socialbg.png

155 ms

hexagon.png

hexagon.png

191 ms

twitter-hover.png

twitter-hover.png

190 ms

facebook-hover.png

facebook-hover.png

190 ms

googleplus-hover.png

googleplus-hover.png

188 ms

pinterest-hover.png

pinterest-hover.png

189 ms

linkedin-hover.png

linkedin-hover.png

178 ms

map.png

map.png

181 ms

0842.js

0842.js

139 ms

paperplane.png

paperplane.png

178 ms

SetWidth90-logo7.png

SetWidth90-logo7.png

177 ms

SetWidth90-logo8.png

SetWidth90-logo8.png

98 ms

SetWidth90-logo9.png

SetWidth90-logo9.png

95 ms

SetWidth90-logo11.png

SetWidth90-logo11.png

94 ms

SetWidth90-logo12.png

SetWidth90-logo12.png

93 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

29 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

36 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

47 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

53 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkWVAexQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkWVAexQ.ttf

57 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

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58 ms

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memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjWVAexQ.ttf

57 ms

app.js

app.js

6 ms

7109-475-10-3936.js

7109-475-10-3936.js

16 ms

Accessibility Review

csl-web.com accessibility score

89

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

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.

Best Practices

csl-web.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

csl-web.com SEO score

92

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

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 Csl-web.com 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 Csl-web.com 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

csl-web.com

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