Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

wmc.org.uk

Wales Millennium Centre

Page Load Speed

5.5 sec in total

First Response

251 ms

Resources Loaded

4.9 sec

Page Rendered

337 ms

wmc.org.uk screenshot

About Website

Welcome to wmc.org.uk homepage info - get ready to check Wmc best content for United Kingdom right away, or after learning these important things about wmc.org.uk

Wales Millennium Centre is the nation's home for the performing arts situated in the heart of Cardiff Bay.

Visit wmc.org.uk

Key Findings

We analyzed Wmc.org.uk page load time and found that the first response time was 251 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

wmc.org.uk performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,230 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

wmc.org.uk

251 ms

www.wmc.org.uk

1208 ms

0_reset.css

166 ms

layout.css

244 ms

lightbox.css

173 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 94% of them (83 requests) were addressed to the original Wmc.org.uk, 2% (2 requests) were made to Stats.g.doubleclick.net and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Wmc.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 793.7 kB (44%)

Content Size

1.8 MB

After Optimization

1.0 MB

In fact, the total size of Wmc.org.uk main page is 1.8 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. 45% of websites need less resources to load. Javascripts take 828.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 87.1 kB

  • Original 108.8 kB
  • After minification 96.6 kB
  • After compression 21.7 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 12.2 kB, which is 11% 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 87.1 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 23.0 kB

  • Original 750.6 kB
  • After minification 727.6 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. Wmc images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 587.0 kB

  • Original 828.7 kB
  • After minification 773.7 kB
  • After compression 241.7 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 587.0 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 96.6 kB

  • Original 116.4 kB
  • After minification 93.8 kB
  • After compression 19.8 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. Wmc.org.uk needs all CSS files to be minified and compressed as it can save up to 96.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (57%)

Requests Now

83

After Optimization

36

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wmc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

wmc.org.uk accessibility score

77

Accessibility Issues

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

[role] values are not valid

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

wmc.org.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

wmc.org.uk SEO score

86

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

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wmc.org.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 Wmc.org.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

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