Tools & Wizards About Us
jdssystems.co.uk screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% 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

1.5 sec in total

First Response

88 ms

Resources Loaded

1.4 sec

Page Rendered

55 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 88 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

jdssystems.co.uk performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value2,520 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

www.jdssystems.co.uk

88 ms

minified.js

32 ms

focus-within-polyfill.js

66 ms

polyfill.min.js

286 ms

thunderbolt-commons.1e70fbb2.bundle.min.js

54 ms

Our browser made a total of 49 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, 43% (21 requests) were made to Static.wixstatic.com and 27% (13 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (898 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 498.0 kB (37%)

Content Size

1.3 MB

After Optimization

837.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jdssystems.co.uk main page is 1.3 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 536.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 426.5 kB

  • Original 536.3 kB
  • After minification 534.6 kB
  • After compression 109.8 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 426.5 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 12.2 kB

  • Original 522.4 kB
  • After minification 510.2 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. Jds Systems images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 59.3 kB

  • Original 276.8 kB
  • After minification 276.8 kB
  • After compression 217.6 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 59.3 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (31%)

Requests Now

32

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 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 11 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

88 ms

minified.js

minified.js

32 ms

focus-within-polyfill.js

focus-within-polyfill.js

66 ms

polyfill.min.js

polyfill.min.js

286 ms

thunderbolt-commons.1e70fbb2.bundle.min.js

thunderbolt-commons.1e70fbb2.bundle.min.js

54 ms

main.42e492e1.bundle.min.js

main.42e492e1.bundle.min.js

55 ms

lodash.min.js

lodash.min.js

54 ms

react.production.min.js

react.production.min.js

56 ms

react-dom.production.min.js

react-dom.production.min.js

59 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

56 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

56 ms

cd471b_30d392b1e47b4a9089e1a14d0a651022~mv2.png

cd471b_30d392b1e47b4a9089e1a14d0a651022~mv2.png

207 ms

cd471b_b051ae24341648d4b473e0a65320727f~mv2.jpg

cd471b_b051ae24341648d4b473e0a65320727f~mv2.jpg

389 ms

cd471b_31c4e98bc4d944c4ae0ef8ff3be0a3f6~mv2.jpg

cd471b_31c4e98bc4d944c4ae0ef8ff3be0a3f6~mv2.jpg

394 ms

11062b_e8270572f50743ad92d3bb2521852ef5~mv2.jpg

11062b_e8270572f50743ad92d3bb2521852ef5~mv2.jpg

450 ms

Yell%20Reviews%20Logo.png

Yell%20Reviews%20Logo.png

348 ms

cd471b_68bd39a189fa44829acf26f51397c4cb~mv2.jpg

cd471b_68bd39a189fa44829acf26f51397c4cb~mv2.jpg

422 ms

cd471b_6cc34d49de7b44f683dae5387c1f61f5~mv2.jpg

cd471b_6cc34d49de7b44f683dae5387c1f61f5~mv2.jpg

475 ms

cd471b_af236466f3444557a431d68de48b7501~mv2.jpg

cd471b_af236466f3444557a431d68de48b7501~mv2.jpg

627 ms

cd471b_4e030b2b118648ee9eba9314e255ead3~mv2.jpg

cd471b_4e030b2b118648ee9eba9314e255ead3~mv2.jpg

701 ms

cd471b_9ed53729a25b4220be56d3c41ec23c9d~mv2.jpg

cd471b_9ed53729a25b4220be56d3c41ec23c9d~mv2.jpg

705 ms

cd471b_517b304a6722468088512db089eee23e~mv2.jpg

cd471b_517b304a6722468088512db089eee23e~mv2.jpg

726 ms

cd471b_b60fc9488618464484c827b2c39d3521~mv2.jpg

cd471b_b60fc9488618464484c827b2c39d3521~mv2.jpg

633 ms

cd471b_ae5cbee33d0e4d18b64e1afd8c3d5cba~mv2.jpg

cd471b_ae5cbee33d0e4d18b64e1afd8c3d5cba~mv2.jpg

666 ms

cd471b_aae862aa95c44066858895bdb4b74ae5~mv2.jpg

cd471b_aae862aa95c44066858895bdb4b74ae5~mv2.jpg

898 ms

cd471b_387abdf1816742bf888903906e437a7a~mv2.jpg

cd471b_387abdf1816742bf888903906e437a7a~mv2.jpg

852 ms

11062b_2ecea575b8ab4d3eb7c93ec76c9f4424~mv2.jpg

11062b_2ecea575b8ab4d3eb7c93ec76c9f4424~mv2.jpg

866 ms

cd471b_30d392b1e47b4a9089e1a14d0a651022~mv2.png

cd471b_30d392b1e47b4a9089e1a14d0a651022~mv2.png

804 ms

file.woff

file.woff

647 ms

file.woff

file.woff

659 ms

file.woff

file.woff

661 ms

bundle.min.js

bundle.min.js

91 ms

e2b9cbeb-fa8e-41cd-8a6a-46044b29ba52.woff

e2b9cbeb-fa8e-41cd-8a6a-46044b29ba52.woff

20 ms

file.woff

file.woff

601 ms

116 ms

121 ms

109 ms

106 ms

116 ms

100 ms

142 ms

141 ms

145 ms

138 ms

146 ms

deprecation-en.v5.html

deprecation-en.v5.html

6 ms

bolt-performance

bolt-performance

20 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: