Tools & Wizards About Us
jacobsplumbers.co.uk screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

jacobsplumbers.co.uk

Home | Plumbing Supplies | London | Jacobs Plumbers Merchants

Page Load Speed

1.7 sec in total

First Response

59 ms

Resources Loaded

1.3 sec

Page Rendered

298 ms

jacobsplumbers.co.uk screenshot

About Website

Welcome to jacobsplumbers.co.uk homepage info - get ready to check Jacobs Plumbers best content right away, or after learning these important things about jacobsplumbers.co.uk

Jacobs Plumbers Merchants stock a huge range of plumbing products, tools and fittings in the London area. For some expert advice, contact us today.

Visit jacobsplumbers.co.uk

Key Findings

We analyzed Jacobsplumbers.co.uk page load time and found that the first response time was 59 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

jacobsplumbers.co.uk performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value5.2 s

61/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.322

36/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

jacobsplumbers.co.uk

59 ms

www.jacobsplumbers.co.uk

754 ms

js

70 ms

jquery.bxslider.css

26 ms

bootstrap-nr.min.css

107 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 86% of them (69 requests) were addressed to the original Jacobsplumbers.co.uk, 5% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (754 ms) belongs to the original domain Jacobsplumbers.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.4 kB (11%)

Content Size

961.6 kB

After Optimization

851.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jacobsplumbers.co.uk main page is 961.6 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. 45% of websites need less resources to load. Images take 792.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 20.8 kB

  • Original 24.6 kB
  • After minification 18.2 kB
  • After compression 3.8 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. This page needs HTML code to be minified as it can gain 6.4 kB, which is 26% 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 20.8 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 76.5 kB

  • Original 792.1 kB
  • After minification 715.6 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. Jacobs Plumbers images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.4 kB

  • Original 106.7 kB
  • After minification 106.7 kB
  • After compression 105.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-30%

Potential reduce by 11.6 kB

  • Original 38.2 kB
  • After minification 38.2 kB
  • After compression 26.5 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. Jacobsplumbers.co.uk needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (12%)

Requests Now

73

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jacobs Plumbers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jacobsplumbers.co.uk

jacobsplumbers.co.uk

59 ms

www.jacobsplumbers.co.uk

www.jacobsplumbers.co.uk

754 ms

js

js

70 ms

jquery.bxslider.css

jquery.bxslider.css

26 ms

bootstrap-nr.min.css

bootstrap-nr.min.css

107 ms

font-awesome.css

font-awesome.css

104 ms

stylesheet.css

stylesheet.css

66 ms

css

css

43 ms

css

css

27 ms

jquery.min.js

jquery.min.js

32 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

103 ms

bootstrap.min.js

bootstrap.min.js

38 ms

embed

embed

246 ms

logo.png

logo.png

69 ms

slider.jpg

slider.jpg

118 ms

slider2.jpg

slider2.jpg

131 ms

line.png

line.png

76 ms

1.png

1.png

74 ms

1.1.png

1.1.png

97 ms

2.png

2.png

115 ms

2.1.png

2.1.png

97 ms

3.png

3.png

104 ms

3.1.png

3.1.png

112 ms

4.png

4.png

121 ms

4.1.png

4.1.png

128 ms

5.png

5.png

132 ms

5.1.png

5.1.png

138 ms

6.png

6.png

138 ms

6.1.png

6.1.png

142 ms

7.png

7.png

147 ms

7.1.png

7.1.png

151 ms

8.png

8.png

152 ms

8.1.png

8.1.png

158 ms

9.png

9.png

157 ms

9.1.png

9.1.png

162 ms

10.png

10.png

166 ms

10.1.png

10.1.png

171 ms

11.png

11.png

171 ms

11.1.png

11.1.png

181 ms

12.png

12.png

178 ms

12.1.png

12.1.png

184 ms

13.png

13.png

186 ms

13.1.png

13.1.png

192 ms

14.png

14.png

189 ms

14.1.png

14.1.png

198 ms

15.png

15.png

202 ms

15.1.png

15.1.png

202 ms

16.png

16.png

204 ms

CSR84z9ShvucWzsMKyhdTOc.ttf

CSR84z9ShvucWzsMKyhdTOc.ttf

32 ms

CSR74z9ShvucWzsMKyDmafctaNM.ttf

CSR74z9ShvucWzsMKyDmafctaNM.ttf

40 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

46 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

47 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

181 ms

16.1.png

16.1.png

148 ms

17.png

17.png

153 ms

17.1.png

17.1.png

150 ms

18.png

18.png

132 ms

18.1.png

18.1.png

132 ms

19.png

19.png

133 ms

19.1.png

19.1.png

129 ms

20.png

20.png

128 ms

20.1.png

20.1.png

130 ms

21.png

21.png

129 ms

21.1.png

21.1.png

122 ms

22.png

22.png

130 ms

22.1.png

22.1.png

129 ms

23.png

23.png

126 ms

23.1.png

23.1.png

128 ms

24.png

24.png

129 ms

24.1.png

24.1.png

123 ms

25.png

25.png

129 ms

25.1.png

25.1.png

131 ms

add.png

add.png

128 ms

tel.png

tel.png

128 ms

mail.png

mail.png

126 ms

fb.png

fb.png

124 ms

fb1.png

fb1.png

136 ms

tw.png

tw.png

131 ms

tw1.png

tw1.png

126 ms

js

js

94 ms

Accessibility Review

jacobsplumbers.co.uk accessibility score

72

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

jacobsplumbers.co.uk best practices score

58

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jacobsplumbers.co.uk SEO score

69

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

Image elements do not have [alt] attributes

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 Jacobsplumbers.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 Jacobsplumbers.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

jacobsplumbers.co.uk

Open Graph description is not detected on the main page of Jacobs Plumbers. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: