Access e4.com. E4 | Stream free on Channel 4

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value5,380 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

e4.com

219 ms

e4

298 ms

adrum.js

44 ms

all4nav.css

27 ms

all4nav.font.css

32 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original E4.com, 71% (87 requests) were made to Static.bips.channel4.com and 11% (14 requests) were made to All4nav.channel4.com. The less responsive or slowest element that took the longest time to load (336 ms) relates to the external source Rtax.criteo.com.

Content Size

2.3 MB

After Optimization

960.9 kB

In fact, the total size of E4.com main page is 2.3 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. 75% 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. CSS take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 164.3 kB

Original 185.3 kB
After minification 164.2 kB
After compression 20.9 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 21.0 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 164.3 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 28.2 kB

Original 732.3 kB
After minification 704.1 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. E4 images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 275.1 kB

Original 407.8 kB
After minification 396.3 kB
After compression 132.8 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 275.1 kB or 67% of the original size.

CSS Optimization

-90%

Potential reduce by 908.7 kB

Original 1.0 MB
After minification 1.0 MB
After compression 103.2 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. E4.com needs all CSS files to be minified and compressed as it can save up to 908.7 kB or 90% of the original size.

Requests Now

101

After Optimization

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E4. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

N/A
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise E4.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that E4.com 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

e4.com

Open Graph description is not detected on the main page of E4. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

E4 | Stream free on Channel 4

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

e4.com

e4

adrum.js

all4nav.css

all4nav.font.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

e4.com

e4

adrum.js

all4nav.css

all4nav.font.css

all4nav.js

mmcore.js

adverts-2.0.js

s_code.js

skin.css

style.css

modernizr.js

require.min.js

jquery-1.9.1.min.js

rta.js

logo-ch-e4-skewleft.svg

header-logo.svg

x8F5Ovi7_normal.jpg

channel4.svg

e4.svg

more4.svg

film4.svg

4seven.svg

4music.svg

shorts.svg

walter.svg

placeholder.png

e4-header-bg.jpg

e4-header-logo.png

7496e7c5-ce35-4105-9bfb-2ceaa97f35f8.jpg

31cf557f-d710-4610-abf5-118b5433fd7f.jpg

9941c057-08fb-415f-a239-59c2b5ccae45.jpg

brand-nav-home.png

cba93c00-07f1-4c2e-b0bb-e4f012fba181_625x352.jpg

d202bc93-3871-4335-b61f-26a52e819676_625x352.jpg

d396377f-d80e-408c-9369-5165737afec0_625x352.jpg

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bdc2128b-8557-4724-97af-597513f693f6_625x352.jpg

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f25ec8bb-0a79-414b-8f17-ed95db7ec70e_625x352.jpg

c21b1084-7c29-4126-a310-41286c6e4944_625x352.jpg

the-big-bang-theory-s2e21-20090527142051_625x352.jpg