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sashwindowlondon.co.uk screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

sashwindowlondon.co.uk

Sash Window London - Sash Window Repair & Restoration Specialist

Page Load Speed

1.7 sec in total

First Response

171 ms

Resources Loaded

1.4 sec

Page Rendered

193 ms

sashwindowlondon.co.uk screenshot

About Website

Welcome to sashwindowlondon.co.uk homepage info - get ready to check Sash Window London best content right away, or after learning these important things about sashwindowlondon.co.uk

Specialists in sash windows, Sash Window London offer repair, restoration and renovation of sash windows.

Visit sashwindowlondon.co.uk

Key Findings

We analyzed Sashwindowlondon.co.uk page load time and found that the first response time was 171 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 30% of websites can load faster.

Performance Metrics

sashwindowlondon.co.uk performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

sashwindowlondon.co.uk

171 ms

www.sashwindowlondon.co.uk

178 ms

css

20 ms

animate.css

165 ms

flexslider.css

164 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 86% of them (31 requests) were addressed to the original Sashwindowlondon.co.uk, 6% (2 requests) were made to Api.flickr.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (561 ms) belongs to the original domain Sashwindowlondon.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 446.6 kB (15%)

Content Size

2.9 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sashwindowlondon.co.uk main page is 2.9 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. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 10.2 kB

  • Original 13.7 kB
  • After minification 11.3 kB
  • After compression 3.5 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 2.4 kB, which is 18% 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 10.2 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 66.2 kB

  • Original 2.5 MB
  • After minification 2.4 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. Sash Window London images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 134.9 kB

  • Original 191.5 kB
  • After minification 178.0 kB
  • After compression 56.6 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 134.9 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 235.3 kB

  • Original 270.3 kB
  • After minification 224.1 kB
  • After compression 35.0 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. Sashwindowlondon.co.uk needs all CSS files to be minified and compressed as it can save up to 235.3 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (53%)

Requests Now

32

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sash Window London. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sashwindowlondon.co.uk

sashwindowlondon.co.uk

171 ms

www.sashwindowlondon.co.uk

www.sashwindowlondon.co.uk

178 ms

css

css

20 ms

animate.css

animate.css

165 ms

flexslider.css

flexslider.css

164 ms

prettyPhoto.css

prettyPhoto.css

244 ms

style.css

style.css

486 ms

font-awesome.min.css

font-awesome.min.css

244 ms

modernizr.custom.48287.js

modernizr.custom.48287.js

245 ms

jquery-latest.min.js

jquery-latest.min.js

5 ms

bootstrap.min.js

bootstrap.min.js

326 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

245 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

324 ms

jquery.isotope.min.js

jquery.isotope.min.js

325 ms

jquery.ui.totop.js

jquery.ui.totop.js

324 ms

easing.js

easing.js

325 ms

wow.min.js

wow.min.js

406 ms

snap.svg-min.js

snap.svg-min.js

561 ms

restart_theme.js

restart_theme.js

405 ms

collapser.js

collapser.js

406 ms

logo.png

logo.png

86 ms

sash-windows-1.jpg

sash-windows-1.jpg

417 ms

sash-windows-2.jpg

sash-windows-2.jpg

334 ms

sash-windows-3.jpg

sash-windows-3.jpg

329 ms

sash-windows-4.jpg

sash-windows-4.jpg

327 ms

divider.png

divider.png

86 ms

box-sash-windows.jpg

box-sash-windows.jpg

333 ms

sash-window-repair.jpg

sash-window-repair.jpg

408 ms

draught-proofing.jpg

draught-proofing.jpg

417 ms

sash-window-restoration.jpg

sash-window-restoration.jpg

412 ms

photos_public.gne

photos_public.gne

20 ms

bg_direction_nav.png

bg_direction_nav.png

345 ms

ui.totop.png

ui.totop.png

344 ms

font

font

17 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

421 ms

photos_public.gne

photos_public.gne

76 ms

Accessibility Review

sashwindowlondon.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.

Best Practices

sashwindowlondon.co.uk best practices score

75

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

SEO Factors

sashwindowlondon.co.uk SEO score

88

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

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 Sashwindowlondon.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 Sashwindowlondon.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

sashwindowlondon.co.uk

Open Graph description is not detected on the main page of Sash Window London. 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: