Tools & Wizards About Us
jcsplumbingheating.co.uk screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

jcsplumbingheating.co.uk

JCS Plumbing - Heating Services Chesterfield, New Gas Boiler Clay Cross

Page Load Speed

22.7 sec in total

First Response

222 ms

Resources Loaded

22.1 sec

Page Rendered

330 ms

jcsplumbingheating.co.uk screenshot

About Website

Welcome to jcsplumbingheating.co.uk homepage info - get ready to check JCS Plumbing Heating best content right away, or after learning these important things about jcsplumbingheating.co.uk

JCS has been involved in plumbing, heating and property maintenance since 2005 including housing associations, letting agents, in Chesterfield, Tapton and Clay Cross.

Visit jcsplumbingheating.co.uk

Key Findings

We analyzed Jcsplumbingheating.co.uk page load time and found that the first response time was 222 ms and then it took 22.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jcsplumbingheating.co.uk performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value21.6 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.606

10/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

jcsplumbingheating.co.uk

222 ms

jcsplumbingheating.co.uk

471 ms

style.css

129 ms

fonts.css

211 ms

menu.css

297 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 88% of them (84 requests) were addressed to the original Jcsplumbingheating.co.uk, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Jcsplumbingheating.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.8 kB (10%)

Content Size

2.4 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jcsplumbingheating.co.uk main page is 2.4 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. 50% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.3 kB

  • Original 30.1 kB
  • After minification 21.7 kB
  • After compression 5.9 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. This page needs HTML code to be minified as it can gain 8.5 kB, which is 28% 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 24.3 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 44.1 kB

  • Original 2.1 MB
  • After minification 2.1 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. JCS Plumbing Heating images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 36.9 kB

  • Original 83.3 kB
  • After minification 82.8 kB
  • After compression 46.4 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 36.9 kB or 44% of the original size.

CSS Optimization

-76%

Potential reduce by 136.6 kB

  • Original 179.1 kB
  • After minification 154.8 kB
  • After compression 42.6 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. Jcsplumbingheating.co.uk needs all CSS files to be minified and compressed as it can save up to 136.6 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (54%)

Requests Now

85

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JCS Plumbing Heating. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jcsplumbingheating.co.uk

jcsplumbingheating.co.uk

222 ms

jcsplumbingheating.co.uk

jcsplumbingheating.co.uk

471 ms

style.css

style.css

129 ms

fonts.css

fonts.css

211 ms

menu.css

menu.css

297 ms

owl.carousel.min.css

owl.carousel.min.css

646 ms

owl.theme.default.css

owl.theme.default.css

338 ms

responsive.css

responsive.css

1457 ms

gas-safe-section.css

gas-safe-section.css

339 ms

slider.css

slider.css

422 ms

lifestyle.css

lifestyle.css

379 ms

box-pen.css

box-pen.css

722 ms

spring-slider-new.css

spring-slider-new.css

422 ms

father-day-banner.css

father-day-banner.css

461 ms

summer-sizzler.css

summer-sizzler.css

504 ms

autumn-offers-banner.css

autumn-offers-banner.css

505 ms

air-conditioning.css

air-conditioning.css

544 ms

air-conditioning-banner.css

air-conditioning-banner.css

894 ms

winterbanner.css

winterbanner.css

587 ms

happynewyear.css

happynewyear.css

627 ms

Valentines-banner.css

Valentines-banner.css

670 ms

springbannernew.css

springbannernew.css

710 ms

fatherdaynew-banner.css

fatherdaynew-banner.css

724 ms

happyhalloweenbnner.css

happyhalloweenbnner.css

751 ms

js

js

70 ms

all.css

all.css

37 ms

css2

css2

45 ms

siyh_stylesheet.css

siyh_stylesheet.css

451 ms

js

js

326 ms

embedLoader.js

embedLoader.js

28 ms

jquery.min.js

jquery.min.js

18 ms

menu.js

menu.js

756 ms

owl.carousel.min.js

owl.carousel.min.js

1688 ms

custom.js

custom.js

771 ms

validation.js

validation.js

798 ms

css2

css2

17 ms

gtm.js

gtm.js

61 ms

tablet_phone_long.gif

tablet_phone_long.gif

816 ms

CTA.png

CTA.png

88 ms

orange-header-facebook.png

orange-header-facebook.png

84 ms

whatsapp-header-logo.png

whatsapp-header-logo.png

83 ms

orange-header-phone.png

orange-header-phone.png

83 ms

orange-header-quote.png

orange-header-quote.png

83 ms

logo.png

logo.png

165 ms

header-phone-icon.png

header-phone-icon.png

166 ms

home-image1.png

home-image1.png

1359 ms

gold_banner_365.gif

gold_banner_365.gif

1413 ms

JcsPlumbingAndHeating400235.png

JcsPlumbingAndHeating400235.png

886 ms

finance-worcester-logo.png

finance-worcester-logo.png

648 ms

accreds-ideal.png

accreds-ideal.png

332 ms

accreds-gas-safe.png

accreds-gas-safe.png

344 ms

accreds-checka.png

accreds-checka.png

414 ms

accreds-trusted-trader.png

accreds-trusted-trader.png

426 ms

accreds-yell.png

accreds-yell.png

497 ms

areas-icon.png

areas-icon.png

508 ms

footer-logo.png

footer-logo.png

662 ms

footer-phone-icon.png

footer-phone-icon.png

591 ms

footer-facebook.png

footer-facebook.png

673 ms

Montserrat-Regular.woff

Montserrat-Regular.woff

918 ms

FuturaBT-Medium.woff

FuturaBT-Medium.woff

1283 ms

index.js

index.js

162 ms

home-icon1.png

home-icon1.png

724 ms

home-icon2.png

home-icon2.png

807 ms

home-icon3.png

home-icon3.png

890 ms

home-icon4.png

home-icon4.png

936 ms

gassafe-section-image1.png

gassafe-section-image1.png

1055 ms

gassafe-section-image2.png

gassafe-section-image2.png

989 ms

home-worcester-background.png

home-worcester-background.png

6011 ms

Helvetica-Condensed-Black.woff

Helvetica-Condensed-Black.woff

1151 ms

dot.png

dot.png

1134 ms

areas-banner_290px_parallax.png

areas-banner_290px_parallax.png

1920 ms

icon_top.png

icon_top.png

1233 ms

Montserrat-Light.woff

Montserrat-Light.woff

1460 ms

home-banner5.jpg

home-banner5.jpg

4112 ms

arrow-icon.png

arrow-icon.png

1126 ms

halloween-banner-image.png

halloween-banner-image.png

2941 ms

halloween-banner-bg.png

halloween-banner-bg.png

2034 ms

new-autumn-banner.jpg

new-autumn-banner.jpg

2852 ms

air-conditioning-banner.png

air-conditioning-banner.png

12892 ms

orange-arrow.png

orange-arrow.png

2120 ms

CheshirskiyCat.woff

CheshirskiyCat.woff

2698 ms

Montserrat%20Bold.woff

Montserrat%20Bold.woff

3012 ms

homepage-banner.png

homepage-banner.png

19672 ms

wireless.png

wireless.png

2924 ms

10year-guarantee.png

10year-guarantee.png

3161 ms

wb-logo-banner.png

wb-logo-banner.png

2930 ms

white-strip.png

white-strip.png

3000 ms

lifestyle-boiler-bg.png

lifestyle-boiler-bg.png

6382 ms

btn-arrow.png

btn-arrow.png

3023 ms

home-banner1.png

home-banner1.png

9731 ms

home-banner2.png

home-banner2.png

6785 ms

home-banner3.jpg

home-banner3.jpg

8748 ms

home-banner4.jpg

home-banner4.jpg

7199 ms

www.jcsplumbingheating.co.uk

www.jcsplumbingheating.co.uk

345 ms

www.jcsplumbingheating.co.uk

www.jcsplumbingheating.co.uk

85 ms

Accessibility Review

jcsplumbingheating.co.uk accessibility score

66

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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

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

jcsplumbingheating.co.uk best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jcsplumbingheating.co.uk SEO score

64

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

High

Image elements do not have [alt] attributes

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

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 Jcsplumbingheating.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 Jcsplumbingheating.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

jcsplumbingheating.co.uk

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