Tools & Wizards About Us

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jjelectronics.co.uk

Experienced electronic engineering services | JJ Electronics Ltd

Page Load Speed

3.3 sec in total

First Response

165 ms

Resources Loaded

2.7 sec

Page Rendered

495 ms

About Website

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

JJ Electronics Ltd provides a wide range of electronic engineering services to circuit designers and small businesses. Based in Luton, we offer our services to customers across the UK.

Visit jjelectronics.co.uk

Key Findings

We analyzed Jjelectronics.co.uk page load time and found that the first response time was 165 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jjelectronics.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

3/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value1,260 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.315

37/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

jjelectronics.co.uk

165 ms

jjelectronics.co.uk

1526 ms

theme.min.css

79 ms

et-core-unified-6.min.css

146 ms

jquery.min.js

224 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 43% of them (23 requests) were addressed to the original Jjelectronics.co.uk, 39% (21 requests) were made to Fonts.gstatic.com and 9% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Jjelectronics.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.5 kB (8%)

Content Size

2.0 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jjelectronics.co.uk main page is 2.0 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. 70% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 158.4 kB

  • Original 188.2 kB
  • After minification 185.7 kB
  • After compression 29.9 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 158.4 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 2.0 kB

  • Original 1.5 MB
  • After minification 1.5 MB

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. JJ Electronics images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.2 kB

  • Original 345.2 kB
  • After minification 345.2 kB
  • After compression 343.1 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

-0%

Potential reduce by 23 B

  • Original 43.1 kB
  • After minification 43.1 kB
  • After compression 43.1 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. Jjelectronics.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (48%)

Requests Now

29

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JJ Electronics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jjelectronics.co.uk accessibility score

88

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.

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

jjelectronics.co.uk best practices score

83

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

Browser errors were logged to the console

SEO Factors

jjelectronics.co.uk SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

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 Jjelectronics.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 Jjelectronics.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

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