Tools & Wizards About Us
demosandsons.co.uk screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

demosandsons.co.uk

Plumbing Merchants | North London | Demos & Sons Ltd

Page Load Speed

823 ms in total

First Response

154 ms

Resources Loaded

579 ms

Page Rendered

90 ms

demosandsons.co.uk screenshot

About Website

Visit demosandsons.co.uk now to see the best up-to-date Demos And Sons content and also check out these interesting facts you probably never knew about demosandsons.co.uk

Demos & Sons is one of the leading plumbing merchants in London, you will find everything you need from our huge selection of products.

Visit demosandsons.co.uk

Key Findings

We analyzed Demosandsons.co.uk page load time and found that the first response time was 154 ms and then it took 669 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

demosandsons.co.uk performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

demosandsons.co.uk

154 ms

main.css

73 ms

Scripts.js

140 ms

ga.js

9 ms

bg-top.gif

70 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 92% of them (23 requests) were addressed to the original Demosandsons.co.uk, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (276 ms) belongs to the original domain Demosandsons.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 33.9 kB (41%)

Content Size

82.6 kB

After Optimization

48.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Demosandsons.co.uk main page is 82.6 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. 15% of websites need less resources to load. Javascripts take 46.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 3.9 kB

  • Original 5.4 kB
  • After minification 4.5 kB
  • After compression 1.5 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 940 B, which is 17% 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 3.9 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 106 B

  • Original 28.4 kB
  • After minification 28.3 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. Demos And Sons images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 29.4 kB

  • Original 46.8 kB
  • After minification 46.8 kB
  • After compression 17.4 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 29.4 kB or 63% of the original size.

CSS Optimization

-29%

Potential reduce by 557 B

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 1.4 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. Demosandsons.co.uk needs all CSS files to be minified and compressed as it can save up to 557 B or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (38%)

Requests Now

24

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Demos And Sons. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

demosandsons.co.uk

demosandsons.co.uk

154 ms

main.css

main.css

73 ms

Scripts.js

Scripts.js

140 ms

ga.js

ga.js

9 ms

bg-top.gif

bg-top.gif

70 ms

Demos-and-Sons-Logo.gif

Demos-and-Sons-Logo.gif

71 ms

Demos-and-sons-call-us-today.gif

Demos-and-sons-call-us-today.gif

140 ms

bg-nav.gif

bg-nav.gif

138 ms

nav-home.gif

nav-home.gif

138 ms

nav-home-over.gif

nav-home-over.gif

139 ms

nav-about.gif

nav-about.gif

139 ms

nav-special.gif

nav-special.gif

139 ms

nav-products.gif

nav-products.gif

205 ms

nav-gallery.gif

nav-gallery.gif

206 ms

nav-contact.gif

nav-contact.gif

206 ms

bg-shadow.gif

bg-shadow.gif

206 ms

boilers.jpg

boilers.jpg

207 ms

bath.jpg

bath.jpg

207 ms

tap.jpg

tap.jpg

274 ms

toilet.jpg

toilet.jpg

273 ms

radiator.jpg

radiator.jpg

274 ms

acc.jpg

acc.jpg

274 ms

test1.gif

test1.gif

276 ms

Demos-and-Sons-Free.gif

Demos-and-Sons-Free.gif

275 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

demosandsons.co.uk accessibility score

83

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

demosandsons.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

SEO Factors

demosandsons.co.uk SEO score

64

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Demosandsons.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 Demosandsons.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

demosandsons.co.uk

Open Graph description is not detected on the main page of Demos And Sons. 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: