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learn.prometheanworld.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

learn.prometheanworld.com

Online Professional Development for Teachers | Learn Promethean

Page Load Speed

1.7 sec in total

First Response

26 ms

Resources Loaded

1 sec

Page Rendered

655 ms

learn.prometheanworld.com screenshot

About Website

Welcome to learn.prometheanworld.com homepage info - get ready to check Learn Promethean World best content for United States right away, or after learning these important things about learn.prometheanworld.com

Discover an online world of professional development for teachers from Promethean. Take a course, watch a video, and increase your EdTech skills.

Visit learn.prometheanworld.com

Key Findings

We analyzed Learn.prometheanworld.com page load time and found that the first response time was 26 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

learn.prometheanworld.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value2,460 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

learn.prometheanworld.com

26 ms

learn.prometheanworld.com

70 ms

font-awesome.min.css

64 ms

style.min.css

14 ms

style.min.css

25 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 91% of them (128 requests) were addressed to the original Learn.prometheanworld.com, 6% (8 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Stackpath.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (493 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 251.2 kB (15%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Learn.prometheanworld.com main page is 1.7 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. Javascripts take 784.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 143.9 kB

  • Original 172.5 kB
  • After minification 168.8 kB
  • After compression 28.6 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 143.9 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 418.2 kB
  • After minification 418.2 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. Learn Promethean World images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 91.2 kB

  • Original 784.0 kB
  • After minification 784.0 kB
  • After compression 692.8 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 91.2 kB or 12% of the original size.

CSS Optimization

-6%

Potential reduce by 16.0 kB

  • Original 276.2 kB
  • After minification 275.9 kB
  • After compression 260.2 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. Learn.prometheanworld.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 100 (92%)

Requests Now

109

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn Promethean World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 52 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

learn.prometheanworld.com

learn.prometheanworld.com

26 ms

learn.prometheanworld.com

learn.prometheanworld.com

70 ms

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Accessibility Review

learn.prometheanworld.com accessibility score

75

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

learn.prometheanworld.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

learn.prometheanworld.com SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Learn.prometheanworld.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 Learn.prometheanworld.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

learn.prometheanworld.com

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