Tools & Wizards About Us
blacks.co.uk screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

blacks.co.uk

Blacks | Clothing & Equipment | Outdoor Brands Up to 60% Off

Page Load Speed

1.1 sec in total

First Response

83 ms

Resources Loaded

957 ms

Page Rendered

84 ms

blacks.co.uk screenshot

About Website

Visit blacks.co.uk now to see the best up-to-date Blacks content for United Kingdom and also check out these interesting facts you probably never knew about blacks.co.uk

Shop online with the UK's premier outdoor retailer. With over 160 years experience, Blacks offers unrivalled expertise across a wide range of leading outdoors brands like Rab, Mountain Equipment,...

Visit blacks.co.uk

Key Findings

We analyzed Blacks.co.uk page load time and found that the first response time was 83 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

blacks.co.uk performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value6,380 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value23.4 s

1/100

10%

Network Requests Diagram

blacks.co.uk

83 ms

www.blacks.co.uk

141 ms

styles.css

386 ms

panel.css

389 ms

css2

39 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 17% of them (3 requests) were addressed to the original Blacks.co.uk, 33% (6 requests) were made to S3.eu-west-2.amazonaws.com and 11% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (485 ms) relates to the external source S3.eu-west-2.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 61.1 kB (32%)

Content Size

190.5 kB

After Optimization

129.4 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Blacks.co.uk main page is 190.5 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. Only 10% of websites need less resources to load. Javascripts take 178.8 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 2.7 kB

  • Original 4.0 kB
  • After minification 3.7 kB
  • After compression 1.3 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 2.7 kB or 68% of the original size.

JavaScript Optimization

-29%

Potential reduce by 52.5 kB

  • Original 178.8 kB
  • After minification 174.5 kB
  • After compression 126.3 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 52.5 kB or 29% of the original size.

CSS Optimization

-76%

Potential reduce by 5.9 kB

  • Original 7.7 kB
  • After minification 5.1 kB
  • After compression 1.8 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. Blacks.co.uk needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (77%)

Requests Now

13

After Optimization

3

  • AJAX
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blacks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blacks.co.uk

blacks.co.uk

83 ms

www.blacks.co.uk

www.blacks.co.uk

141 ms

styles.css

styles.css

386 ms

panel.css

panel.css

389 ms

css2

css2

39 ms

icon

icon

55 ms

collect.js

collect.js

25 ms

jquery.min.js

jquery.min.js

24 ms

panels.js

panels.js

403 ms

generic.js

generic.js

402 ms

newrelic.js

newrelic.js

485 ms

blacks.css

blacks.css

103 ms

api.ipify.org

api.ipify.org

102 ms

kdj8ubw.css

kdj8ubw.css

38 ms

p.css

p.css

29 ms

kJF1BvYX7BgnkSrUwT8OhrdQw4oELdPIeeII9v6oDMzByHX9rA6RzaxHMPdY43zj-jCxv3fzvRNU22ZXGJpEpjC_1v-p_4MrImHCIJIZrDCvHOem.ttf

kJF1BvYX7BgnkSrUwT8OhrdQw4oELdPIeeII9v6oDMzByHX9rA6RzaxHMPdY43zj-jCxv3fzvRNU22ZXGJpEpjC_1v-p_4MrImHCIJIZrDCvHOem.ttf

84 ms

flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf

flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf

93 ms

panel.css

panel.css

112 ms

Accessibility Review

blacks.co.uk accessibility score

84

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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.

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

blacks.co.uk best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the notification permission on page load

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

High

Page has valid source maps

SEO Factors

blacks.co.uk SEO score

92

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

    UTF-8

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

blacks.co.uk

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