Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 0

    Best Practices

  • 83

    SEO

    Google-friendlier than
    46% of websites

coresashwindows.co.uk

Core Sash Windows London | Window & Door Fitters

Page Load Speed

484 ms in total

First Response

36 ms

Resources Loaded

399 ms

Page Rendered

49 ms

coresashwindows.co.uk screenshot

About Website

Click here to check amazing Core Sash Windows content. Otherwise, check out these important facts you probably never knew about coresashwindows.co.uk

We install sash windows, casements (hinged windows) and doors in London with an emphasis on customer service and protection of our clients homes.

Visit coresashwindows.co.uk

Key Findings

We analyzed Coresashwindows.co.uk page load time and found that the first response time was 36 ms and then it took 448 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

coresashwindows.co.uk performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

95/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.319

36/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

coresashwindows.co.uk

36 ms

coresashwindows.co.uk

354 ms

main.js

9 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Coresashwindows.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (354 ms) belongs to the original domain Coresashwindows.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 592 B (7%)

Content Size

8.6 kB

After Optimization

8.0 kB

In fact, the total size of Coresashwindows.co.uk main page is 8.6 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 5.2 kB which makes up the majority of the site volume.

HTML Optimization

-47%

Potential reduce by 579 B

  • Original 1.2 kB
  • After minification 1.2 kB
  • After compression 657 B

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 579 B or 47% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 5.2 kB
  • After minification 5.2 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. Core Sash Windows images are well optimized though.

CSS Optimization

-1%

Potential reduce by 13 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 2.2 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. Coresashwindows.co.uk has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

coresashwindows.co.uk accessibility score

86

Accessibility Issues

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

SEO Factors

coresashwindows.co.uk SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coresashwindows.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Coresashwindows.co.uk main page’s claimed encoding is . 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

Open Graph description is not detected on the main page of Core Sash Windows. 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: