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sashwindowcompany.co.uk screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

sashwindowcompany.co.uk

Sash Window Company | Sash Window Repair & Draught Proofing

Page Load Speed

2.1 sec in total

First Response

290 ms

Resources Loaded

1.6 sec

Page Rendered

184 ms

sashwindowcompany.co.uk screenshot

About Website

Click here to check amazing Sash Window Company content. Otherwise, check out these important facts you probably never knew about sashwindowcompany.co.uk

We specialise in the restoration, repair and draught proofing of traditional wooden sash windows and offer our services to all London postcodes. We have many years of experience in restoring and impro...

Visit sashwindowcompany.co.uk

Key Findings

We analyzed Sashwindowcompany.co.uk page load time and found that the first response time was 290 ms and then it took 1.8 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

sashwindowcompany.co.uk performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

sashwindowcompany.co.uk

290 ms

www.sashwindowcompany.co.uk

281 ms

global.css

90 ms

green.css

179 ms

imageSwapper.js

182 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Sashwindowcompany.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (868 ms) belongs to the original domain Sashwindowcompany.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.9 kB (8%)

Content Size

1.0 MB

After Optimization

922.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sashwindowcompany.co.uk main page is 1.0 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. 25% of websites need less resources to load. Images take 997.6 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 3.8 kB

  • Original 5.6 kB
  • After minification 5.1 kB
  • After compression 1.8 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 3.8 kB or 68% of the original size.

Image Optimization

-8%

Potential reduce by 80.1 kB

  • Original 997.6 kB
  • After minification 917.5 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. Sash Window Company images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 464 B

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 1.4 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 464 B or 25% of the original size.

CSS Optimization

-29%

Potential reduce by 617 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 1.5 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. Sashwindowcompany.co.uk needs all CSS files to be minified and compressed as it can save up to 617 B or 29% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sash Window Company. According to our analytics all requests are already optimized.

Network Requests Diagram

sashwindowcompany.co.uk

sashwindowcompany.co.uk

290 ms

www.sashwindowcompany.co.uk

www.sashwindowcompany.co.uk

281 ms

global.css

global.css

90 ms

green.css

green.css

179 ms

imageSwapper.js

imageSwapper.js

182 ms

sliding-sash-windows.jpg

sliding-sash-windows.jpg

609 ms

sash-windows-london.jpg

sash-windows-london.jpg

366 ms

traditional-sash-windows.jpg

traditional-sash-windows.jpg

538 ms

box-sash-windows.jpg

box-sash-windows.jpg

868 ms

sash-windows.jpg

sash-windows.jpg

263 ms

Accessibility Review

sashwindowcompany.co.uk accessibility score

65

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

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

Image elements do not have [alt] attributes

Best Practices

sashwindowcompany.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

sashwindowcompany.co.uk SEO score

67

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sashwindowcompany.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 Sashwindowcompany.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sashwindowcompany.co.uk

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