Tools & Wizards About Us
derbybearings.co.uk screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

derbybearings.co.uk

Bearings | Transmission | Drives | Chain | Bearing Supplier

Page Load Speed

2.6 sec in total

First Response

246 ms

Resources Loaded

2 sec

Page Rendered

316 ms

derbybearings.co.uk screenshot

About Website

Welcome to derbybearings.co.uk homepage info - get ready to check Derby Bearings best content right away, or after learning these important things about derbybearings.co.uk

Derby Bearings Ltd is a proven UK wholesaler of top quality bearings, transmission, motor & geared units, adhesives, lubricants, castors, oil seals & circlips.

Visit derbybearings.co.uk

Key Findings

We analyzed Derbybearings.co.uk page load time and found that the first response time was 246 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

derbybearings.co.uk performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.166

71/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

derbybearings.co.uk

246 ms

derbybearings.co.uk

320 ms

www.derbybearings.co.uk

533 ms

framework.css

80 ms

style.css

170 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 62% of them (26 requests) were addressed to the original Derbybearings.co.uk, 12% (5 requests) were made to Fonts.gstatic.com and 10% (4 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (533 ms) belongs to the original domain Derbybearings.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.6 kB (4%)

Content Size

883.3 kB

After Optimization

844.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Derbybearings.co.uk main page is 883.3 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. 30% of websites need less resources to load. Images take 700.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 15.3 kB

  • Original 19.6 kB
  • After minification 16.4 kB
  • After compression 4.4 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. This page needs HTML code to be minified as it can gain 3.3 kB, which is 17% 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 15.3 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 9.2 kB

  • Original 700.2 kB
  • After minification 691.0 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. Derby Bearings images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 8.7 kB

  • Original 149.4 kB
  • After minification 149.4 kB
  • After compression 140.7 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

-39%

Potential reduce by 5.5 kB

  • Original 14.0 kB
  • After minification 14.0 kB
  • After compression 8.6 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. Derbybearings.co.uk needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (48%)

Requests Now

33

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derby Bearings. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

derbybearings.co.uk

derbybearings.co.uk

246 ms

derbybearings.co.uk

derbybearings.co.uk

320 ms

www.derbybearings.co.uk

www.derbybearings.co.uk

533 ms

framework.css

framework.css

80 ms

style.css

style.css

170 ms

menu.css

menu.css

245 ms

skippr.css

skippr.css

246 ms

owlcarousel.css

owlcarousel.css

247 ms

css

css

41 ms

css

css

57 ms

font-awesome.min.css

font-awesome.min.css

32 ms

jquery.js

jquery.js

321 ms

skippr.min.js

skippr.min.js

248 ms

owlcarousel.min.js

owlcarousel.min.js

249 ms

scripts.js

scripts.js

320 ms

js

js

58 ms

js

js

112 ms

embed

embed

314 ms

logo.png

logo.png

269 ms

1.jpg

1.jpg

423 ms

bg-pattern.png

bg-pattern.png

117 ms

2.jpg

2.jpg

416 ms

bg-maincont.png

bg-maincont.png

117 ms

home-image.jpg

home-image.jpg

190 ms

box-1.jpg

box-1.jpg

270 ms

box-2.jpg

box-2.jpg

271 ms

manuf-1.jpg

manuf-1.jpg

267 ms

manuf-2.jpg

manuf-2.jpg

386 ms

manuf-3.jpg

manuf-3.jpg

389 ms

manuf-4.jpg

manuf-4.jpg

389 ms

manuf-5.jpg

manuf-5.jpg

387 ms

manuf-6.jpg

manuf-6.jpg

463 ms

k3kKo8YQJOpFgHQ1mQ5VkEbUKaJFsh_50qywHx-GnY4.ttf

k3kKo8YQJOpFgHQ1mQ5VkEbUKaJFsh_50qywHx-GnY4.ttf

113 ms

k3kKo8YQJOpFgHQ1mQ5VkEbUKaKitR_50qywHx-GnY4.ttf

k3kKo8YQJOpFgHQ1mQ5VkEbUKaKitR_50qywHx-GnY4.ttf

162 ms

k3kKo8YQJOpFgHQ1mQ5VkEbUKaLstR_50qywHx-GnY4.ttf

k3kKo8YQJOpFgHQ1mQ5VkEbUKaLstR_50qywHx-GnY4.ttf

202 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

24 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX9-p7K4GLs.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX9-p7K4GLs.ttf

137 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX9-p7K4GLs.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX9-p7K4GLs.ttf

140 ms

js

js

34 ms

geometry.js

geometry.js

4 ms

search.js

search.js

6 ms

main.js

main.js

14 ms

Accessibility Review

derbybearings.co.uk accessibility score

77

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

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

High

Links do not have a discernible name

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

derbybearings.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

SEO Factors

derbybearings.co.uk SEO score

96

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 Derbybearings.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 Derbybearings.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

derbybearings.co.uk

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