Tools & Wizards About Us
jdssystems.co.uk screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

jdssystems.co.uk

Jds Systems Ltd | Burglar Alarms and Security Systems | Swansea, UK

Page Load Speed

937 ms in total

First Response

79 ms

Resources Loaded

799 ms

Page Rendered

59 ms

jdssystems.co.uk screenshot

About Website

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

JDS Systems Ltd offers reliable burglar alarms and security systems in Swansea. Protect your property with our expert solutions. Reach out to us today.

Visit jdssystems.co.uk

Key Findings

We analyzed Jdssystems.co.uk page load time and found that the first response time was 79 ms and then it took 858 ms 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

jdssystems.co.uk performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

www.jdssystems.co.uk

79 ms

minified.js

33 ms

focus-within-polyfill.js

33 ms

polyfill.min.js

31 ms

js

168 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jdssystems.co.uk, 33% (14 requests) were made to Static.parastorage.com and 29% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (433 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 561.7 kB (55%)

Content Size

1.0 MB

After Optimization

450.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jdssystems.co.uk main page is 1.0 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. 40% of websites need less resources to load. HTML takes 621.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 500.2 kB

  • Original 621.1 kB
  • After minification 619.4 kB
  • After compression 120.9 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 500.2 kB or 81% of the original size.

Image Optimization

-18%

Potential reduce by 13.4 kB

  • Original 75.6 kB
  • After minification 62.3 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, Jds Systems needs image optimization as it can save up to 13.4 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-15%

Potential reduce by 48.1 kB

  • Original 315.4 kB
  • After minification 315.4 kB
  • After compression 267.3 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 48.1 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jds Systems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.jdssystems.co.uk

www.jdssystems.co.uk

79 ms

minified.js

minified.js

33 ms

focus-within-polyfill.js

focus-within-polyfill.js

33 ms

polyfill.min.js

polyfill.min.js

31 ms

js

js

168 ms

8875.e26292eb.bundle.min.js

8875.e26292eb.bundle.min.js

23 ms

thunderbolt-commons.b7a35b00.bundle.min.js

thunderbolt-commons.b7a35b00.bundle.min.js

104 ms

main.d98de0fd.bundle.min.js

main.d98de0fd.bundle.min.js

117 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

105 ms

lodash.min.js

lodash.min.js

104 ms

react.production.min.js

react.production.min.js

117 ms

react-dom.production.min.js

react-dom.production.min.js

121 ms

browser-deprecation.bundle.es5.js

browser-deprecation.bundle.es5.js

131 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

121 ms

cd471b_30d392b1e47b4a9089e1a14d0a651022~mv2.png

cd471b_30d392b1e47b4a9089e1a14d0a651022~mv2.png

374 ms

bundle.min.js

bundle.min.js

98 ms

cd471b_b051ae24341648d4b473e0a65320727f~mv2.jpg

cd471b_b051ae24341648d4b473e0a65320727f~mv2.jpg

356 ms

cd471b_31c4e98bc4d944c4ae0ef8ff3be0a3f6~mv2.jpg

cd471b_31c4e98bc4d944c4ae0ef8ff3be0a3f6~mv2.jpg

409 ms

11062b_e8270572f50743ad92d3bb2521852ef5~mv2.jpg

11062b_e8270572f50743ad92d3bb2521852ef5~mv2.jpg

433 ms

Yell%20Reviews%20Logo.png

Yell%20Reviews%20Logo.png

312 ms

11062b_2ecea575b8ab4d3eb7c93ec76c9f4424~mv2.jpg

11062b_2ecea575b8ab4d3eb7c93ec76c9f4424~mv2.jpg

292 ms

cd471b_30d392b1e47b4a9089e1a14d0a651022~mv2.png

cd471b_30d392b1e47b4a9089e1a14d0a651022~mv2.png

419 ms

99 ms

104 ms

97 ms

91 ms

101 ms

101 ms

136 ms

137 ms

135 ms

144 ms

141 ms

142 ms

file.woff

file.woff

141 ms

file.woff

file.woff

150 ms

file.woff

file.woff

151 ms

file.woff

file.woff

169 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

18 ms

deprecation-style.v5.css

deprecation-style.v5.css

6 ms

right-arrow.svg

right-arrow.svg

6 ms

Accessibility Review

jdssystems.co.uk accessibility score

96

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.

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

jdssystems.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

jdssystems.co.uk SEO score

97

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 Jdssystems.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 Jdssystems.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

jdssystems.co.uk

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