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jbj.co.uk screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jbj.co.uk

jbj Techniques Limited, MECHANICAL AND FLUID POWER EXPERTS! home / index page

Page Load Speed

2.3 sec in total

First Response

270 ms

Resources Loaded

1.9 sec

Page Rendered

189 ms

jbj.co.uk screenshot

About Website

Welcome to jbj.co.uk homepage info - get ready to check Jbj best content for Slovakia right away, or after learning these important things about jbj.co.uk

jbj Techniques Ltd, tel:+44(0)1737 767493; specialist manufacturer and distributor of high quality products for the mechanical power transmission & fluid power sectors.

Visit jbj.co.uk

Key Findings

We analyzed Jbj.co.uk page load time and found that the first response time was 270 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

jbj.co.uk performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

64/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.77

5/100

15%

TTI (Time to Interactive)

Value11.7 s

18/100

10%

Network Requests Diagram

jbj.co.uk

270 ms

www.jbj.co.uk

340 ms

normalize.css

84 ms

components.css

166 ms

jbj-techniques-limited.css

327 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 20% of them (15 requests) were addressed to the original Jbj.co.uk, 56% (42 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Cdn.sitesearch360.com. The less responsive or slowest element that took the longest time to load (552 ms) belongs to the original domain Jbj.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 417.4 kB (44%)

Content Size

954.2 kB

After Optimization

536.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jbj.co.uk main page is 954.2 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 a small number of websites need less resources to load. Javascripts take 466.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 97.6 kB

  • Original 120.0 kB
  • After minification 118.3 kB
  • After compression 22.5 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. 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 97.6 kB or 81% of the original size.

Image Optimization

-96%

Potential reduce by 309.4 kB

  • Original 321.7 kB
  • After minification 12.4 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, Jbj needs image optimization as it can save up to 309.4 kB or 96% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.1 kB

  • Original 466.9 kB
  • After minification 466.9 kB
  • After compression 463.8 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

-16%

Potential reduce by 7.3 kB

  • Original 45.6 kB
  • After minification 44.8 kB
  • After compression 38.3 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. Jbj.co.uk needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (48%)

Requests Now

31

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jbj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jbj.co.uk

jbj.co.uk

270 ms

www.jbj.co.uk

www.jbj.co.uk

340 ms

normalize.css

normalize.css

84 ms

components.css

components.css

166 ms

jbj-techniques-limited.css

jbj-techniques-limited.css

327 ms

webfont.js

webfont.js

36 ms

api.js

api.js

54 ms

cookie-consent.js

cookie-consent.js

73 ms

js

js

92 ms

720.js

720.js

93 ms

jquery-3.5.1.min.dc5e7f18c8.js

jquery-3.5.1.min.dc5e7f18c8.js

41 ms

jbj-techniques-limited.js

jbj-techniques-limited.js

339 ms

css

css

120 ms

recaptcha__en.js

recaptcha__en.js

144 ms

gtm.js

gtm.js

108 ms

statistics.asp

statistics.asp

456 ms

track.js

track.js

453 ms

jbj-logo-50.png

jbj-logo-50.png

300 ms

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628299f8aa233b83918e24fd_Pause.svg

181 ms

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628298b20ae0236682d4b87f_Play-24.svg

164 ms

jbj-gold.png

jbj-gold.png

317 ms

Exhibiting-button.png

Exhibiting-button.png

552 ms

ISOlogo50high.jpg

ISOlogo50high.jpg

179 ms

LinkedIn_logo_1.png

LinkedIn_logo_1.png

298 ms

youtube_1.png

youtube_1.png

399 ms

Cyber-essentials.png

Cyber-essentials.png

398 ms

sectigo_trust_seal_md_106x42_1.png

sectigo_trust_seal_md_106x42_1.png

398 ms

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340 ms

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Accessibility Review

jbj.co.uk accessibility score

92

Accessibility Issues

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

jbj.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jbj.co.uk SEO score

92

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

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 Jbj.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 Jbj.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

jbj.co.uk

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