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clearleft.co.uk screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

clearleft.co.uk

Strategic design partners | Clearleft

Page Load Speed

2.7 sec in total

First Response

200 ms

Resources Loaded

2.1 sec

Page Rendered

352 ms

clearleft.co.uk screenshot

About Website

Click here to check amazing Clearleft content. Otherwise, check out these important facts you probably never knew about clearleft.co.uk

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Key Findings

We analyzed Clearleft.co.uk page load time and found that the first response time was 200 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

clearleft.co.uk performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

clearleft.co.uk

200 ms

clearleft.com

1208 ms

webfont.js

10 ms

all.css

154 ms

penguin.png

244 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Clearleft.co.uk, 30% (8 requests) were made to Clearleft.com.s3.amazonaws.com and 26% (7 requests) were made to Clearleft.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Clearleft.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.9 kB (19%)

Content Size

205.9 kB

After Optimization

166.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Clearleft.co.uk main page is 205.9 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. 25% of websites need less resources to load. Images take 159.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 17.4 kB

  • Original 22.9 kB
  • After minification 20.0 kB
  • After compression 5.5 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 2.8 kB, which is 12% 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 17.4 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 18.2 kB

  • Original 159.8 kB
  • After minification 141.7 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. Obviously, Clearleft needs image optimization as it can save up to 18.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-19%

Potential reduce by 4.3 kB

  • Original 23.2 kB
  • After minification 23.2 kB
  • After compression 18.9 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 4.3 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (17%)

Requests Now

18

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clearleft. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

clearleft.co.uk

clearleft.co.uk

200 ms

clearleft.com

clearleft.com

1208 ms

webfont.js

webfont.js

10 ms

all.css

all.css

154 ms

penguin.png

penguin.png

244 ms

global.js

global.js

165 ms

davidson.png

davidson.png

285 ms

story.svg

story.svg

178 ms

nordea.png

nordea.png

239 ms

bravissimo.png

bravissimo.png

386 ms

Ladybird-Puffin.png

Ladybird-Puffin.png

238 ms

jon-aizlewood.jpg

jon-aizlewood.jpg

239 ms

jessica-jebari.jpg

jessica-jebari.jpg

241 ms

headshot.jpg

headshot.jpg

310 ms

21451.js

21451.js

174 ms

logo.svg

logo.svg

86 ms

clearthinking.svg

clearthinking.svg

126 ms

ga.js

ga.js

19 ms

wellcome-stories_720.jpg

wellcome-stories_720.jpg

404 ms

__utm.gif

__utm.gif

57 ms

hbABjQBLsAhQWLEBAY5ZsUYGK1ghsBBZS7AUUlghsIBZHbAGK1xYWbAUKwAAAAFQT1uQAAA=

hbABjQBLsAhQWLEBAY5ZsUYGK1ghsBBZS7AUUlghsIBZHbAGK1xYWbAUKwAAAAFQT1uQAAA=

43 ms

eeYAfG6EjUox0YsywWLTISDLP2YvHvQeqL45Bt5dj+wbal6jskxSZMxpDnk0Nr4OPYeFt855vPsw.woff

eeYAfG6EjUox0YsywWLTISDLP2YvHvQeqL45Bt5dj+wbal6jskxSZMxpDnk0Nr4OPYeFt855vPsw.woff

339 ms

3HuBT4G0cdus3ot7no7JwNRre7cYlcjAw84xe+maqwQOvaHgimQ1ucqLkncQv00w.woff

3HuBT4G0cdus3ot7no7JwNRre7cYlcjAw84xe+maqwQOvaHgimQ1ucqLkncQv00w.woff

322 ms

8MIn8PxADP3J+xSCLLXGVteVFe65Qkds2BgZbYQ.woff

8MIn8PxADP3J+xSCLLXGVteVFe65Qkds2BgZbYQ.woff

241 ms

RXpDdXhOU04AA1lQEFfFAsDsAw8KZ0vfEH75QHxb5Stq0hWyeiWwpGfTe5bFInN3cNpYTvqG9UyPOd6s5hSgX7gZXrohcRtc276NgJpl79FIdKVwHEPFW9yB7XW4nzkHJhrdxdJaczYlKUwKoCZyn7CLGDw1ktWLz4pQ+0BpgdnLmw.woff

RXpDdXhOU04AA1lQEFfFAsDsAw8KZ0vfEH75QHxb5Stq0hWyeiWwpGfTe5bFInN3cNpYTvqG9UyPOd6s5hSgX7gZXrohcRtc276NgJpl79FIdKVwHEPFW9yB7XW4nzkHJhrdxdJaczYlKUwKoCZyn7CLGDw1ktWLz4pQ+0BpgdnLmw.woff

403 ms

6FKe6TXF9dXNXksSpOnBXgWupF4IvmELLqzY4XZxA.woff

6FKe6TXF9dXNXksSpOnBXgWupF4IvmELLqzY4XZxA.woff

337 ms

Og.woff

Og.woff

421 ms

Accessibility Review

clearleft.co.uk accessibility score

96

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-hidden="true"] elements contain focusable descendents

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

clearleft.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

High

Page has valid source maps

SEO Factors

clearleft.co.uk SEO score

99

Search Engine Optimization Advices

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 Clearleft.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 Clearleft.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

clearleft.co.uk

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