Tools & Wizards About Us
chaiwu.co.uk screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

chaiwu.co.uk

Contemporary Chinese Restaurant in Knightsbridge, South West London | Chai Wu

Page Load Speed

22.5 sec in total

First Response

476 ms

Resources Loaded

21.7 sec

Page Rendered

303 ms

chaiwu.co.uk screenshot

About Website

Click here to check amazing Chai Wu content. Otherwise, check out these important facts you probably never knew about chaiwu.co.uk

Chai Wu's Contemporary Chinese restaurant is located on the fifth floor of Harrods department store in South West London. View our menu and images of the restaurant or call for reservations.

Visit chaiwu.co.uk

Key Findings

We analyzed Chaiwu.co.uk page load time and found that the first response time was 476 ms and then it took 22 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

chaiwu.co.uk performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value29.5 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value1,800 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

chaiwu.co.uk

476 ms

style.css+jquery.mCustomScrollbar.css+jquery.datetimepicker.css+jcarousel.responsive.css.pagespeed.cc.Phy1OwCkyn.css

37 ms

jquery.fancybox.css,qv==2.1.5+helpers,_jquery.fancybox-buttons.css,qv==1.0.5+helpers,_jquery.fancybox-thumbs.css,qv==1.0.7.pagespeed.cc.PCvDJ3Kno3.css

375 ms

responsiveslides.css+themes.css+device.css.pagespeed.cc.TXR_OMKJD6.css

371 ms

jquery.min.js.pagespeed.jm.TiC1blcYSb.js

62 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 77% of them (27 requests) were addressed to the original Chaiwu.co.uk, 6% (2 requests) were made to Cdn.otstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Opentable.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.5 kB (1%)

Content Size

7.7 MB

After Optimization

7.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chaiwu.co.uk main page is 7.7 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 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 15.0 kB

  • Original 24.8 kB
  • After minification 24.7 kB
  • After compression 9.8 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 15.0 kB or 60% of the original size.

Image Optimization

-1%

Potential reduce by 46.0 kB

  • Original 7.5 MB
  • After minification 7.5 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. Chai Wu images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 32.6 kB

  • Original 134.3 kB
  • After minification 134.3 kB
  • After compression 101.7 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 32.6 kB or 24% of the original size.

CSS Optimization

-17%

Potential reduce by 3.9 kB

  • Original 23.3 kB
  • After minification 23.2 kB
  • After compression 19.4 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. Chaiwu.co.uk needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (38%)

Requests Now

32

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chai Wu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chaiwu.co.uk

chaiwu.co.uk

476 ms

style.css+jquery.mCustomScrollbar.css+jquery.datetimepicker.css+jcarousel.responsive.css.pagespeed.cc.Phy1OwCkyn.css

style.css+jquery.mCustomScrollbar.css+jquery.datetimepicker.css+jcarousel.responsive.css.pagespeed.cc.Phy1OwCkyn.css

37 ms

jquery.fancybox.css,qv==2.1.5+helpers,_jquery.fancybox-buttons.css,qv==1.0.5+helpers,_jquery.fancybox-thumbs.css,qv==1.0.7.pagespeed.cc.PCvDJ3Kno3.css

jquery.fancybox.css,qv==2.1.5+helpers,_jquery.fancybox-buttons.css,qv==1.0.5+helpers,_jquery.fancybox-thumbs.css,qv==1.0.7.pagespeed.cc.PCvDJ3Kno3.css

375 ms

responsiveslides.css+themes.css+device.css.pagespeed.cc.TXR_OMKJD6.css

responsiveslides.css+themes.css+device.css.pagespeed.cc.TXR_OMKJD6.css

371 ms

jquery.min.js.pagespeed.jm.TiC1blcYSb.js

jquery.min.js.pagespeed.jm.TiC1blcYSb.js

62 ms

responsiveslides.min.js.pagespeed.jm.PrVfOxCGtb.js

responsiveslides.min.js.pagespeed.jm.PrVfOxCGtb.js

55 ms

jquery.datetimepicker.js.pagespeed.jm.g0wAcLaOR5.js

jquery.datetimepicker.js.pagespeed.jm.g0wAcLaOR5.js

95 ms

jquery.mCustomScrollbar.min.js+animation.js,q2+jquery.jcarousel.min.js+validation.js+fancybox,_lib,_jquery.mousewheel-3.0.6.pack.js.pagespeed.jc.Cj1Eoa1tZ5.js

jquery.mCustomScrollbar.min.js+animation.js,q2+jquery.jcarousel.min.js+validation.js+fancybox,_lib,_jquery.mousewheel-3.0.6.pack.js.pagespeed.jc.Cj1Eoa1tZ5.js

66 ms

jquery.fancybox.pack.js,qv==2.1.5+helpers,_jquery.fancybox-buttons.js,qv==1.0.5+helpers,_jquery.fancybox-media.js,qv==1.0.6+helpers,_jquery.fancybox-thumbs.js,qv==1.0.7.pagespeed.jc.gegLo4FbeC.js

jquery.fancybox.pack.js,qv==2.1.5+helpers,_jquery.fancybox-buttons.js,qv==1.0.5+helpers,_jquery.fancybox-media.js,qv==1.0.6+helpers,_jquery.fancybox-thumbs.js,qv==1.0.7.pagespeed.jc.gegLo4FbeC.js

72 ms

dinerschoicebadges.css

dinerschoicebadges.css

193 ms

title_metatags.js.pagespeed.jm.zT-wFy6k9o.js

title_metatags.js.pagespeed.jm.zT-wFy6k9o.js

74 ms

css.css

css.css

431 ms

default.aspx

default.aspx

20323 ms

loading.gif

loading.gif

429 ms

logo.png

logo.png

446 ms

xlogo.png.pagespeed.ic.LnpZVoqtJp.png

xlogo.png.pagespeed.ic.LnpZVoqtJp.png

355 ms

loading.gif.pagespeed.ce.ucF4JBLRt8.gif

loading.gif.pagespeed.ce.ucF4JBLRt8.gif

346 ms

xloading2.png.pagespeed.ic.f3TZb_NTfF.png

xloading2.png.pagespeed.ic.f3TZb_NTfF.png

428 ms

DC_Widget_US_2018.png

DC_Widget_US_2018.png

46 ms

body-bg1.jpg

body-bg1.jpg

900 ms

body-bg2.jpg

body-bg2.jpg

904 ms

body-bg3.jpg

body-bg3.jpg

847 ms

body-bg4.jpg

body-bg4.jpg

1165 ms

body-bg5.jpg

body-bg5.jpg

1472 ms

background_black.png

background_black.png

749 ms

nav-border.png

nav-border.png

1089 ms

gothic_0.woff

gothic_0.woff

929 ms

analytics.js

analytics.js

35 ms

content.php

content.php

387 ms

icon_previous.png

icon_previous.png

371 ms

icon_next.png

icon_next.png

370 ms

asset_composer.js

asset_composer.js

36 ms

collect

collect

13 ms

4GtGWUFrKHZcEwPZVaKyXCwAlaUjy2Yr

4GtGWUFrKHZcEwPZVaKyXCwAlaUjy2Yr

120 ms

widget_v2.334.js

widget_v2.334.js

27 ms

Accessibility Review

chaiwu.co.uk accessibility score

74

Accessibility Issues

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

chaiwu.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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

chaiwu.co.uk 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

    NL

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chaiwu.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Chaiwu.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

chaiwu.co.uk

Open Graph description is not detected on the main page of Chai Wu. 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: