1.4 sec in total
132 ms
1.1 sec
170 ms
Click here to check amazing Ed TED content for United States. Otherwise, check out these important facts you probably never knew about ed.ted.com
TED-Ed celebrates the ideas of teachers and students around the world. Discover hundreds of animated lessons, create customized lessons, and share your big ideas.
Visit ed.ted.comWe analyzed Ed.ted.com page load time and found that the first response time was 132 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
ed.ted.com performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value5.6 s
17/100
25%
Value4.5 s
72/100
10%
Value1,550 ms
13/100
30%
Value0.001
100/100
15%
Value8.8 s
35/100
10%
132 ms
75 ms
53 ms
66 ms
42 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ed.ted.com, 62% (33 requests) were made to Teded.tedcdn.com and 6% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (470 ms) relates to the external source Teded.tedcdn.com.
Page size can be reduced by 1.2 MB (51%)
2.4 MB
1.2 MB
In fact, the total size of Ed.ted.com main page is 2.4 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. 55% of websites need less resources to load. Javascripts take 929.1 kB which makes up the majority of the site volume.
Potential reduce by 39.5 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. This page needs HTML code to be minified as it can gain 6.8 kB, which is 13% 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 39.5 kB or 74% of the original size.
Potential reduce by 60.5 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. Ed TED images are well optimized though.
Potential reduce by 637.5 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 637.5 kB or 69% of the original size.
Potential reduce by 505.5 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. Ed.ted.com needs all CSS files to be minified and compressed as it can save up to 505.5 kB or 84% of the original size.
Number of requests can be reduced by 14 (30%)
46
32
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ed TED. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
ed.ted.com
132 ms
application-61ce2bc37e3e76518230896b33cb2674.css
75 ms
application_2-80b16fe4cf4b1a656ee564c0e8d9852d.css
53 ms
application_3-4cd7a21ccfa966ab14ee6410164be0de.css
66 ms
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42 ms
modernizr-dd44540e5c5bce29f921d555e3c3fe95.js
46 ms
application-9365a052d3c71834629445406db4fbd6.js
358 ms
all.js
92 ms
widgets.js
14 ms
top-splash-f0cf96ee5cc4aadde3cdc4754075c02d.png
35 ms
magnifying-glass-11a7a3b8881e9843ceb9c3cf98c02c23.png
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icons-sc36f34d110-a3f3d5dfd7fba0f20f99e4af363dfe16.png
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icon_sprite-54bd1587ef6ab20a747cc5c4a968a0d1.png
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featured_info_panel_background-3af298d499a54577d8af52c39bec3d43.png
37 ms
grid_cell_corner_featured-b2aca9b95eac183acc520648b265065b.png
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1512_06_A_Abbott_Derek_FrogRiddle_TEDEdthumb.jpg
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art.jpg
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teded_narcissism_teded_1.jpg
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ted_small022.jpg
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1507_11_A_Anderson_Addison_DiderotEncyclopedia_TEDEdthumb.jpg
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1511_01_A_Flynn_Angela_Skin_TEDEdthumb.jpg
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ted_love_290_001.jpg
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unspecified.jpg
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napoleon_portrait_02.jpg
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view_lessons_background-3ca23e7221e5e13387fde26c86e1e5df.png
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68 ms
hn-045-n-1f19c943321dbb41ba1c3e06a59613eb.woff
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hn-085-n-0ef3cb2b9887246574c9d33f6236bbed.woff
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ted-ed-0afd67185eaeac772fe7eb7122d8e810.svg
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fontawesome-webfont-3620f1cfe4e62ab1542e6ffd636f7ced.woff
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fontawesome-webfont.woff
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ted-ed-icons.svg
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xd_arbiter.php
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xd_arbiter.php
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analytics.js
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beacon.js
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button.831500944bc3eb7ea5276ccdc3f71d2e.js
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ping
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iframe_api
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collect
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www-widgetapi.js
26 ms
follow_button.6a78875565a912489e9aef879c881358.en.html
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like.php
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info.json
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vpc6VNjRPXV.js
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LVx-xkvaJ0b.png
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jot
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nr-885.min.js
17 ms
ed.ted.com accessibility score
ARIA
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.
Impact
Issue
[aria-*] attributes do not have valid values
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ed.ted.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
ed.ted.com SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ed.ted.com 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 Ed.ted.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.
ed.ted.com
Open Graph data is detected on the main page of Ed TED. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: