Tools & Wizards About Us
zero7.co.uk screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

zero7.co.uk

ZERO 7

Page Load Speed

5.8 sec in total

First Response

286 ms

Resources Loaded

4.3 sec

Page Rendered

1.2 sec

zero7.co.uk screenshot

About Website

Visit zero7.co.uk now to see the best up-to-date ZERO 7 content and also check out these interesting facts you probably never knew about zero7.co.uk

Find everything from Henry Binns and Sam Hardaker's Zero 7 all in one place here.

Visit zero7.co.uk

Key Findings

We analyzed Zero7.co.uk page load time and found that the first response time was 286 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

zero7.co.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value1,730 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

zero7.co.uk

286 ms

Zero7

1055 ms

s093_TLfvz3.css

281 ms

pERLJfhzcxv.css

350 ms

410ucuAGgaJ.css

420 ms

Our browser made a total of 146 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zero7.co.uk, 45% (66 requests) were made to Static.xx.fbcdn.net and 40% (59 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source External.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 568.7 kB (46%)

Content Size

1.2 MB

After Optimization

663.1 kB

  • HTML
  • Images

In fact, the total size of Zero7.co.uk main page is 1.2 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. 65% of websites need less resources to load. HTML takes 652.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 553.7 kB

  • Original 652.1 kB
  • After minification 642.2 kB
  • After compression 98.4 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. 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 553.7 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 15.0 kB

  • Original 579.6 kB
  • After minification 564.6 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. ZERO 7 images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 59 (41%)

Requests Now

144

After Optimization

85

  • Images
  • JavaScript
  • CSS

The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZERO 7. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zero7.co.uk

zero7.co.uk

286 ms

Zero7

Zero7

1055 ms

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281 ms

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Accessibility Review

zero7.co.uk 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

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

zero7.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

Page has valid source maps

SEO Factors

zero7.co.uk SEO score

89

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zero7.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 Zero7.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

zero7.co.uk

Open Graph description is not detected on the main page of ZERO 7. 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: