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channel4learning.com screenshot

Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

channel4learning.com

Channel 4 Learning

Page Load Speed

3.2 sec in total

First Response

532 ms

Resources Loaded

2.5 sec

Page Rendered

180 ms

channel4learning.com screenshot

About Website

Click here to check amazing Channel 4 Learning content for Russia. Otherwise, check out these important facts you probably never knew about channel4learning.com

Channel 4 Learning delivers free learning resources that are curriculum focused including worksheets, lesson ideas, interactive games and programme support to your fingertips. Educational DVDS and CD-...

Visit channel4learning.com

Key Findings

We analyzed Channel4learning.com page load time and found that the first response time was 532 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster. This domain responded with an error, which can significantly jeopardize Channel4learning.com rating and web reputation

Performance Metrics

channel4learning.com performance score

0

Network Requests Diagram

channel4learning.com

532 ms

simple.css

240 ms

violet-style.css

272 ms

tabber.js

338 ms

reveal.js

254 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 76% of them (57 requests) were addressed to the original Channel4learning.com, 7% (5 requests) were made to Pagead2.googlesyndication.com and 5% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (898 ms) belongs to the original domain Channel4learning.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 139.0 kB (42%)

Content Size

328.8 kB

After Optimization

189.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Channel4learning.com main page is 328.8 kB. 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. Images take 168.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 23.3 kB

  • Original 28.8 kB
  • After minification 25.9 kB
  • After compression 5.5 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 23.3 kB or 81% of the original size.

Image Optimization

-22%

Potential reduce by 37.1 kB

  • Original 168.9 kB
  • After minification 131.8 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, Channel 4 Learning needs image optimization as it can save up to 37.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-44%

Potential reduce by 34.8 kB

  • Original 79.5 kB
  • After minification 67.2 kB
  • After compression 44.6 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 34.8 kB or 44% of the original size.

CSS Optimization

-85%

Potential reduce by 43.7 kB

  • Original 51.6 kB
  • After minification 37.6 kB
  • After compression 7.9 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. Channel4learning.com needs all CSS files to be minified and compressed as it can save up to 43.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (61%)

Requests Now

72

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Channel 4 Learning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

channel4learning.com

channel4learning.com

532 ms

simple.css

simple.css

240 ms

violet-style.css

violet-style.css

272 ms

tabber.js

tabber.js

338 ms

reveal.js

reveal.js

254 ms

getColors.js

getColors.js

269 ms

colorMe.js

colorMe.js

255 ms

c4_cssnav.js

c4_cssnav.js

315 ms

swfobject2.js

swfobject2.js

365 ms

master.css

master.css

365 ms

show_ads.js

show_ads.js

7 ms

c4footer.js

c4footer.js

275 ms

menu-header.css

menu-header.css

171 ms

complex.css

complex.css

197 ms

red-bgr.gif

red-bgr.gif

185 ms

channel-4-learning.gif

channel-4-learning.gif

185 ms

browse-subjects.gif

browse-subjects.gif

182 ms

sign-up-for-great-offers.gif

sign-up-for-great-offers.gif

183 ms

latest-news.gif

latest-news.gif

197 ms

signup-submit.gif

signup-submit.gif

195 ms

10_living_and_growing_final.gif

10_living_and_growing_final.gif

540 ms

Making%20it.jpg

Making%20it.jpg

584 ms

caption-btm-orange.gif

caption-btm-orange.gif

354 ms

grace_darling.jpg

grace_darling.jpg

351 ms

caption-btm-purple.gif

caption-btm-purple.gif

353 ms

more_adventures_from_the_wr.jpg

more_adventures_from_the_wr.jpg

462 ms

caption-btm-turquoise.gif

caption-btm-turquoise.gif

491 ms

tectonics_climate.jpg

tectonics_climate.jpg

641 ms

caption-btm-magenta.gif

caption-btm-magenta.gif

490 ms

engineering_-ce.jpg

engineering_-ce.jpg

558 ms

caption-btm-green.gif

caption-btm-green.gif

605 ms

Being_Different_156x76.jpg

Being_Different_156x76.jpg

606 ms

caption-btm-yellow.gif

caption-btm-yellow.gif

774 ms

products-title.gif

products-title.gif

779 ms

c4l_brochure-shop-ad.jpg

c4l_brochure-shop-ad.jpg

780 ms

breaking-news.png

breaking-news.png

779 ms

main_image_discovery1.jpg

main_image_discovery1.jpg

898 ms

logo_c4.jpg

logo_c4.jpg

777 ms

c4_gnav.css

c4_gnav.css

859 ms

ca-pub-8704466748149339.js

ca-pub-8704466748149339.js

54 ms

zrt_lookup.html

zrt_lookup.html

45 ms

show_ads_impl.js

show_ads_impl.js

84 ms

left-tab-red.gif

left-tab-red.gif

201 ms

right-tab-red.gif

right-tab-red.gif

203 ms

ga.js

ga.js

43 ms

box-top-bgr.png

box-top-bgr.png

197 ms

box-bgr.png

box-bgr.png

197 ms

menu-red-bgr.gif

menu-red-bgr.gif

197 ms

menu-arrow.png

menu-arrow.png

195 ms

box-bottom-bgr.png

box-bottom-bgr.png

406 ms

box-top-bgr-border.png

box-top-bgr-border.png

405 ms

box-bgr-border.png

box-bgr-border.png

405 ms

your-email.gif

your-email.gif

404 ms

box-bottom-bgr-border.png

box-bottom-bgr-border.png

404 ms

center-box-top-bgr.png

center-box-top-bgr.png

404 ms

center-box-bgr.png

center-box-bgr.png

578 ms

center-box-bottom-bgr.png

center-box-bottom-bgr.png

569 ms

green-bgr.gif

green-bgr.gif

570 ms

link-arrow.gif

link-arrow.gif

567 ms

C4L-logo-red.gif

C4L-logo-red.gif

559 ms

__utm.gif

__utm.gif

43 ms

__utm.gif

__utm.gif

40 ms

ads

ads

181 ms

osd.js

osd.js

13 ms

ads

ads

205 ms

6977218219078189767

6977218219078189767

52 ms

abg.js

abg.js

37 ms

m_js_controller.js

m_js_controller.js

51 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

89 ms

s

s

30 ms

x_button_blue2.png

x_button_blue2.png

28 ms

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

4 ms

menu-tab-red-hover.gif

menu-tab-red-hover.gif

122 ms

menu-tab-red.gif

menu-tab-red.gif

120 ms

ui

ui

31 ms

SEO Factors

channel4learning.com SEO score

0

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 Channel4learning.com 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 Channel4learning.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

channel4learning.com

Open Graph description is not detected on the main page of Channel 4 Learning. 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: