Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

tedcec.org

TED | Teacher Education Division

Page Load Speed

1.4 sec in total

First Response

30 ms

Resources Loaded

1.1 sec

Page Rendered

327 ms

tedcec.org screenshot

About Website

Visit tedcec.org now to see the best up-to-date TED Cec content and also check out these interesting facts you probably never knew about tedcec.org

TED - Homepage

Visit tedcec.org

Key Findings

We analyzed Tedcec.org page load time and found that the first response time was 30 ms and then it took 1.4 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.

Performance Metrics

tedcec.org performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

59/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.364

29/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

tedcec.org

30 ms

tedcec.org

47 ms

google_tag.script.js

9 ms

css_TLpEpDtDdujZjXIyS6cbX7paJmHGB4XaR778jDdHEu0.css

18 ms

css_cJHI1H6FJGhx1hM_AnCrPKsihlhhpasUjKQr9JH5m-s.css

19 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 28% of them (16 requests) were addressed to the original Tedcec.org, 26% (15 requests) were made to D.adroll.com and 3% (2 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (541 ms) relates to the external source Use.fontawesome.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 121.5 kB (13%)

Content Size

960.1 kB

After Optimization

838.5 kB

In fact, the total size of Tedcec.org main page is 960.1 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. 70% of websites need less resources to load. Javascripts take 647.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 109.8 kB

  • Original 141.7 kB
  • After minification 121.7 kB
  • After compression 31.9 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 20.0 kB, which is 14% 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 109.8 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 9.7 kB

  • Original 122.0 kB
  • After minification 112.3 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. TED Cec images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.0 kB

  • Original 647.9 kB
  • After minification 647.9 kB
  • After compression 645.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 73 B

  • Original 48.5 kB
  • After minification 48.5 kB
  • After compression 48.4 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. Tedcec.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (67%)

Requests Now

39

After Optimization

13

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TED Cec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tedcec.org accessibility score

96

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

tedcec.org 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

SEO Factors

tedcec.org SEO score

91

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Tedcec.org 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 Tedcec.org 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

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