Tools & Wizards About Us
derrenbrown.live screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

derrenbrown.live

Stage & Screen | Derren Brown | The Official Website

Page Load Speed

8.6 sec in total

First Response

2.3 sec

Resources Loaded

5.8 sec

Page Rendered

514 ms

derrenbrown.live screenshot

About Website

Click here to check amazing Derren Brown content for United Kingdom. Otherwise, check out these important facts you probably never knew about derrenbrown.live

Information about Derren Brown's current and upcoming stage shows and television specials, as well as an archive of past performances.

Visit derrenbrown.live

Key Findings

We analyzed Derrenbrown.live page load time and found that the first response time was 2.3 sec and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

derrenbrown.live performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value37.5 s

0/100

25%

SI (Speed Index)

Value21.7 s

0/100

10%

TBT (Total Blocking Time)

Value4,390 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value35.7 s

0/100

10%

Network Requests Diagram

2285 ms

wp-emoji-release.min.js

192 ms

fonts.css

144 ms

style.min.css

303 ms

styles.css

143 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Derrenbrown.live, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Derrenbrown.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (17%)

Content Size

7.9 MB

After Optimization

6.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Derrenbrown.live main page is 7.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 158.2 kB

  • Original 184.3 kB
  • After minification 182.2 kB
  • After compression 26.2 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 158.2 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 7.4 kB

  • Original 6.2 MB
  • After minification 6.2 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. Derren Brown images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 474.4 kB

  • Original 646.6 kB
  • After minification 528.4 kB
  • After compression 172.2 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 474.4 kB or 73% of the original size.

CSS Optimization

-87%

Potential reduce by 714.8 kB

  • Original 821.1 kB
  • After minification 656.4 kB
  • After compression 106.3 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. Derrenbrown.live needs all CSS files to be minified and compressed as it can save up to 714.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 64 (63%)

Requests Now

101

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derren Brown. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

2285 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

192 ms

fonts.css

fonts.css

144 ms

style.min.css

style.min.css

303 ms

styles.css

styles.css

143 ms

be-slider.css

be-slider.css

254 ms

oshine-modules.css

oshine-modules.css

219 ms

typehub-public.css

typehub-public.css

210 ms

css

css

26 ms

tatsu.min.css

tatsu.min.css

379 ms

style.css

style.css

308 ms

font-awesome.css

font-awesome.css

329 ms

tatsu-icons.css

tatsu-icons.css

287 ms

uaf.css

uaf.css

329 ms

bb-press.css

bb-press.css

348 ms

main.css

main.css

470 ms

top-header.css

top-header.css

372 ms

responsive-header.css

responsive-header.css

397 ms

multilevel-menu.css

multilevel-menu.css

398 ms

layout.css

layout.css

416 ms

magnific-popup.css

magnific-popup.css

430 ms

scrollbar.css

scrollbar.css

443 ms

flickity.css

flickity.css

453 ms

fonts.css

fonts.css

459 ms

style.css

style.css

499 ms

front.min.css

front.min.css

509 ms

jquery.min.js

jquery.min.js

514 ms

jquery-migrate.min.js

jquery-migrate.min.js

514 ms

webfont.min.js

webfont.min.js

522 ms

modernizr.js

modernizr.js

522 ms

front.min.js

front.min.js

533 ms

asyncloader.js

asyncloader.js

547 ms

core.min.js

core.min.js

562 ms

accordion.min.js

accordion.min.js

570 ms

tabs.min.js

tabs.min.js

579 ms

oshine-modules.js

oshine-modules.js

591 ms

Drift.min.js

Drift.min.js

538 ms

magnifier.js

magnifier.js

554 ms

comment-reply.min.js

comment-reply.min.js

519 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

537 ms

wp-polyfill.min.js

wp-polyfill.min.js

487 ms

index.js

index.js

491 ms

es6-promise.auto.min.js

es6-promise.auto.min.js

496 ms

helpers.min.js

helpers.min.js

478 ms

debouncedresize.min.js

debouncedresize.min.js

459 ms

tatsu.min.js

tatsu.min.js

450 ms

perfect-scrollbar.jquery.js

perfect-scrollbar.jquery.js

458 ms

script.js

script.js

445 ms

retina.js

retina.js

444 ms

style.css

style.css

297 ms

analytics.js

analytics.js

1202 ms

fbevents.js

fbevents.js

1088 ms

derren-brown-website-logo.png

derren-brown-website-logo.png

605 ms

derren-brown-website-logo-white.png

derren-brown-website-logo-white.png

605 ms

derren-brown-showman-title-hpage.png

derren-brown-showman-title-hpage.png

887 ms

derren-brown-showman-homepage-2.jpg

derren-brown-showman-homepage-2.jpg

1249 ms

derren-brown-sacrifice-netflix-hpage.jpg

derren-brown-sacrifice-netflix-hpage.jpg

827 ms

derren-brown-miracle-netflix-hpage.jpg

derren-brown-miracle-netflix-hpage.jpg

684 ms

derren-brown-the-push-netflix-hpage.jpg

derren-brown-the-push-netflix-hpage.jpg

1044 ms

derren-brown-underground-feat.jpg

derren-brown-underground-feat.jpg

1117 ms

derren-brown-secret-feat.jpg

derren-brown-secret-feat.jpg

1116 ms

derren-brown-miracle-feat-1.jpg

derren-brown-miracle-feat-1.jpg

1115 ms

derren-brown-art-robbery-feat.jpg

derren-brown-art-robbery-feat.jpg

1211 ms

derren-brown-infamous-feat-1.jpg

derren-brown-infamous-feat-1.jpg

1210 ms

derren-brown-fear-and-faith-feat.jpg

derren-brown-fear-and-faith-feat.jpg

1206 ms

derren-brown-apocalypse-feat-2.jpg

derren-brown-apocalypse-feat-2.jpg

1212 ms

derren-brown-experiments-feat.jpg

derren-brown-experiments-feat.jpg

1244 ms

derren-brown-miracles-for-sale-feat-2.jpg

derren-brown-miracles-for-sale-feat-2.jpg

1312 ms

derren-brown-behind-the-mischief-feat.jpg

derren-brown-behind-the-mischief-feat.jpg

1250 ms

derren-brown-svengali-feat.jpg

derren-brown-svengali-feat.jpg

1314 ms

derren-brown-hero-30000-feet-feat.jpg

derren-brown-hero-30000-feet-feat.jpg

1323 ms

derren-brown-investigates-feat.jpg

derren-brown-investigates-feat.jpg

1342 ms

derren-brown-events-feat.jpg

derren-brown-events-feat.jpg

1297 ms

derren-brown-enigma-feat-2.jpg

derren-brown-enigma-feat-2.jpg

1347 ms

derren-brown-the-system-feat.jpg

derren-brown-the-system-feat.jpg

1340 ms

derren-brown-trick-or-treat-feat.jpg

derren-brown-trick-or-treat-feat.jpg

1422 ms

derren-brown-evening-of-wonders-feat-1.jpg

derren-brown-evening-of-wonders-feat-1.jpg

1365 ms

derren-brown-the-heist-feat-1.jpg

derren-brown-the-heist-feat-1.jpg

1394 ms

derren-brown-the-gathering-feat-2.jpg

derren-brown-the-gathering-feat-2.jpg

1393 ms

derren-brown-something-wicked-feat-1.jpg

derren-brown-something-wicked-feat-1.jpg

1420 ms

derren-brown-messiah-feat-3.jpg

derren-brown-messiah-feat-3.jpg

1423 ms

derren-brown-seance-portf.gif

derren-brown-seance-portf.gif

1492 ms

derren-brown-trick-of-the-mind-feat-1.jpg

derren-brown-trick-of-the-mind-feat-1.jpg

1535 ms

derren-brown-russian-roulette-feat.jpg

derren-brown-russian-roulette-feat.jpg

1473 ms

derren-brown-live-feat.jpg

derren-brown-live-feat.jpg

1485 ms

derren-brown-mind-control-feat.jpg

derren-brown-mind-control-feat.jpg

1488 ms

9561PortraitText-Regular.woff

9561PortraitText-Regular.woff

1170 ms

PortraitText-Medium-Web.woff

PortraitText-Medium-Web.woff

474 ms

collect

collect

253 ms

PortraitText-Regular-Web.woff

PortraitText-Regular-Web.woff

223 ms

347707454143355

347707454143355

255 ms

icomoon.woff

icomoon.woff

203 ms

tatsu-icons.ttf

tatsu-icons.ttf

328 ms

vivusSVGanimation.js

vivusSVGanimation.js

104 ms

isotope.js

isotope.js

106 ms

imagesloaded.js

imagesloaded.js

151 ms

resizetoparent.js

resizetoparent.js

151 ms

waypoints.js

waypoints.js

117 ms

tilt.min.js

tilt.min.js

126 ms

begrid.min.js

begrid.min.js

126 ms

fitvids.js

fitvids.js

166 ms

transparentheader.js

transparentheader.js

163 ms

superfish.js

superfish.js

160 ms

hoverintent.js

hoverintent.js

161 ms

magnificpopup.js

magnificpopup.js

147 ms

easing.js

easing.js

146 ms

hoverdir.js

hoverdir.js

82 ms

Accessibility Review

derrenbrown.live accessibility score

76

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.

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

Image elements do not have [alt] attributes

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

derrenbrown.live 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

derrenbrown.live SEO score

93

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

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 Derrenbrown.live 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 Derrenbrown.live 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

derrenbrown.live

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