Tools & Wizards About Us
centrestage.london screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

centrestage.london

Centre Stage London | Musical Theatre Amdram Society

Page Load Speed

1.2 sec in total

First Response

156 ms

Resources Loaded

969 ms

Page Rendered

79 ms

centrestage.london screenshot

About Website

Visit centrestage.london now to see the best up-to-date Centre Stage content and also check out these interesting facts you probably never knew about centrestage.london

Centre Stage is an amdram group, entertaining audiences with musicals and cabarets for almost 50 years. We warmly welcome new members!

Visit centrestage.london

Key Findings

We analyzed Centrestage.london page load time and found that the first response time was 156 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

centrestage.london performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value380 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

www.centrestage.london

156 ms

minified.js

52 ms

focus-within-polyfill.js

50 ms

polyfill.min.js

96 ms

thunderbolt-commons.09398ec1.bundle.min.js

150 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Centrestage.london, 41% (16 requests) were made to Static.parastorage.com and 31% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (524 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 659.3 kB (50%)

Content Size

1.3 MB

After Optimization

652.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Centrestage.london main page is 1.3 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. 30% of websites need less resources to load. HTML takes 590.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 459.9 kB

  • Original 590.5 kB
  • After minification 588.8 kB
  • After compression 130.6 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 459.9 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 10.6 kB

  • Original 273.3 kB
  • After minification 262.7 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. Centre Stage images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 188.8 kB

  • Original 447.8 kB
  • After minification 447.8 kB
  • After compression 259.0 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 188.8 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centre Stage. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.centrestage.london

www.centrestage.london

156 ms

minified.js

minified.js

52 ms

focus-within-polyfill.js

focus-within-polyfill.js

50 ms

polyfill.min.js

polyfill.min.js

96 ms

thunderbolt-commons.09398ec1.bundle.min.js

thunderbolt-commons.09398ec1.bundle.min.js

150 ms

main.e5a43201.bundle.min.js

main.e5a43201.bundle.min.js

153 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

149 ms

lodash.min.js

lodash.min.js

154 ms

react.production.min.js

react.production.min.js

174 ms

react-dom.production.min.js

react-dom.production.min.js

175 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

190 ms

762f29_a72919ac82484cdfa73ff48ce15d57a6~mv2.jpg

762f29_a72919ac82484cdfa73ff48ce15d57a6~mv2.jpg

325 ms

bundle.min.js

bundle.min.js

80 ms

762f29_71881429efbc4582ae5eb39eb61e89fb~mv2.jpg

762f29_71881429efbc4582ae5eb39eb61e89fb~mv2.jpg

492 ms

762f29_727dd5f1ea4e46c5b652143b6a16ae28~mv2.jpg

762f29_727dd5f1ea4e46c5b652143b6a16ae28~mv2.jpg

524 ms

762f29_8c5fc55bffd24af6933c782a5123de84~mv2.jpg

762f29_8c5fc55bffd24af6933c782a5123de84~mv2.jpg

471 ms

762f29_e7aea923336d4a2b96066973dfe81644~mv2.png

762f29_e7aea923336d4a2b96066973dfe81644~mv2.png

488 ms

CS%20Black%20Logo%20(Transparent%20Background).png

CS%20Black%20Logo%20(Transparent%20Background).png

517 ms

Untitled.png

Untitled.png

423 ms

135 ms

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134 ms

134 ms

133 ms

130 ms

163 ms

164 ms

171 ms

164 ms

165 ms

158 ms

9VWMTeb5jtXkNoTv949NpRsxEYwM7FgeyaSgU71cLG0.woff

9VWMTeb5jtXkNoTv949NpRsxEYwM7FgeyaSgU71cLG0.woff

28 ms

aDjpMND83pDErGXlVEr-SRsxEYwM7FgeyaSgU71cLG0.woff

aDjpMND83pDErGXlVEr-SRsxEYwM7FgeyaSgU71cLG0.woff

30 ms

RbebACOccNN-5ixkDIVLjRa1RVmPjeKy21_GQJaLlJI.woff

RbebACOccNN-5ixkDIVLjRa1RVmPjeKy21_GQJaLlJI.woff

30 ms

c4FPK8_hIFKoX59qcGwdCha1RVmPjeKy21_GQJaLlJI.woff

c4FPK8_hIFKoX59qcGwdCha1RVmPjeKy21_GQJaLlJI.woff

30 ms

deprecation-en.v5.html

deprecation-en.v5.html

6 ms

bolt-performance

bolt-performance

46 ms

deprecation-style.v5.css

deprecation-style.v5.css

11 ms

right-arrow.svg

right-arrow.svg

11 ms

Accessibility Review

centrestage.london accessibility score

92

Accessibility Issues

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

Best Practices

centrestage.london 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

centrestage.london SEO score

100

Search Engine Optimization Advices

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 Centrestage.london 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 Centrestage.london 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

centrestage.london

Open Graph data is detected on the main page of Centre Stage. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: