Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

ntlive.nationaltheatre.org.uk

National Theatre Live | Official website | Filmed live theatre

Page Load Speed

3 sec in total

First Response

927 ms

Resources Loaded

1.7 sec

Page Rendered

304 ms

ntlive.nationaltheatre.org.uk screenshot

About Website

Welcome to ntlive.nationaltheatre.org.uk homepage info - get ready to check Nt Live National Theatre best content for United Kingdom right away, or after learning these important things about ntlive.nationaltheatre.org.uk

Search for screenings at your local cinema for National Theatre Live. See upcoming titles, release dates and trailers for the best British theatre screening at your local cinema.

Visit ntlive.nationaltheatre.org.uk

Key Findings

We analyzed Ntlive.nationaltheatre.org.uk page load time and found that the first response time was 927 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

ntlive.nationaltheatre.org.uk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

13/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

ntlive.nationaltheatre.org.uk

927 ms

normalize.min.css

18 ms

jquery.fancybox.css

31 ms

cookies.min.css

14 ms

main.css

22 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 5% of them (5 requests) were addressed to the original Ntlive.nationaltheatre.org.uk, 38% (39 requests) were made to D2z302fz6vkyr7.cloudfront.net and 23% (23 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (927 ms) belongs to the original domain Ntlive.nationaltheatre.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (54%)

Content Size

1.9 MB

After Optimization

876.2 kB

In fact, the total size of Ntlive.nationaltheatre.org.uk main page is 1.9 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. 70% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 102.3 kB

  • Original 135.4 kB
  • After minification 126.5 kB
  • After compression 33.1 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 102.3 kB or 76% of the original size.

Image Optimization

-13%

Potential reduce by 66.9 kB

  • Original 500.1 kB
  • After minification 433.2 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. Obviously, Nt Live National Theatre needs image optimization as it can save up to 66.9 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

-66%

Potential reduce by 743.5 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 391.5 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 743.5 kB or 66% of the original size.

CSS Optimization

-84%

Potential reduce by 95.8 kB

  • Original 114.1 kB
  • After minification 91.5 kB
  • After compression 18.3 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. Ntlive.nationaltheatre.org.uk needs all CSS files to be minified and compressed as it can save up to 95.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (45%)

Requests Now

92

After Optimization

51

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nt Live National Theatre. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ntlive.nationaltheatre.org.uk accessibility score

98

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.

Best Practices

ntlive.nationaltheatre.org.uk best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

ntlive.nationaltheatre.org.uk SEO score

86

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

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ntlive.nationaltheatre.org.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 Ntlive.nationaltheatre.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 Nt Live National Theatre. 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: