Tools & Wizards About Us

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

copthorne-chelseaclub.hotel-rez.com

Millennium & Copthorne Hotels at Chelsea Football Club, London. Rates from GBP104.

Page Load Speed

99 ms in total

First Response

9 ms

Resources Loaded

36 ms

Page Rendered

54 ms

About Website

Visit copthorne-chelseaclub.hotel-rez.com now to see the best up-to-date Copthorne Chelsea Club Hotel Rez content for Russia and also check out these interesting facts you probably never knew about copthorne-chelseaclub.hotel-rez.com

Millennium & Copthorne Hotels at Chelsea Football Club is a 4-star hotel nestled on a beautiful 12-acre sight featuring 2 wings: the Millennium and the Copthorne. Read reviews and book securely on thi...

Visit copthorne-chelseaclub.hotel-rez.com

Key Findings

We analyzed Copthorne-chelseaclub.hotel-rez.com page load time and found that the first response time was 9 ms and then it took 90 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

copthorne-chelseaclub.hotel-rez.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

copthorne-chelseaclub.hotel-rez.com

9 ms

copthorne-chelseaclub.hotel-rez.com

19 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Copthorne-chelseaclub.hotel-rez.com and no external sources were called. The less responsive or slowest element that took the longest time to load (19 ms) belongs to the original domain Copthorne-chelseaclub.hotel-rez.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 559.1 kB (46%)

Content Size

1.2 MB

After Optimization

649.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Copthorne-chelseaclub.hotel-rez.com main page is 1.2 MB. 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. Javascripts take 780.7 kB which makes up the majority of the site volume.

HTML Optimization

-38%

Potential reduce by 350 B

  • Original 923 B
  • After minification 923 B
  • After compression 573 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 350 B or 38% of the original size.

Image Optimization

-13%

Potential reduce by 56.4 kB

  • Original 426.8 kB
  • After minification 370.4 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. Obviously, Copthorne Chelsea Club Hotel Rez needs image optimization as it can save up to 56.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 502.4 kB

  • Original 780.7 kB
  • After minification 780.7 kB
  • After compression 278.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 502.4 kB or 64% of the original size.

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.

Network Requests Diagram

Accessibility Review

copthorne-chelseaclub.hotel-rez.com accessibility score

57

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

copthorne-chelseaclub.hotel-rez.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

copthorne-chelseaclub.hotel-rez.com SEO score

90

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Copthorne-chelseaclub.hotel-rez.com 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 Copthorne-chelseaclub.hotel-rez.com 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

Open Graph description is not detected on the main page of Copthorne Chelsea Club Hotel Rez. 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: