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lego.education screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lego.education

Classroom Solutions for STEM and STEAM | LEGO® Education

Page Load Speed

2.4 sec in total

First Response

137 ms

Resources Loaded

2 sec

Page Rendered

268 ms

lego.education screenshot

About Website

Click here to check amazing LEGO content. Otherwise, check out these important facts you probably never knew about lego.education

LEGO® Education solutions teach children 21st century skills for future success, starting with preschool and moving through elementary, middle and high school.

Visit lego.education

Key Findings

We analyzed Lego.education page load time and found that the first response time was 137 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

lego.education performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

137 ms

U2L6_img_step_7.png

78 ms

player.html

28 ms

cerapro-regular-webfont.woff

616 ms

cerapro-medium-webfont.woff

563 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Lego.education, 31% (4 requests) were made to Assets.education.lego.com and 23% (3 requests) were made to Legoeducation.23video.com. The less responsive or slowest element that took the longest time to load (616 ms) relates to the external source Assets.education.lego.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.8 kB (20%)

Content Size

581.0 kB

After Optimization

466.2 kB

  • HTML
  • Images

In fact, the total size of Lego.education main page is 581.0 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. 60% of websites need less resources to load. Images take 441.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 114.8 kB

  • Original 139.6 kB
  • After minification 139.5 kB
  • After compression 24.8 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 114.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 441.4 kB
  • After minification 441.4 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. LEGO images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 5 (56%)

Requests Now

9

After Optimization

4

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LEGO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

137 ms

U2L6_img_step_7.png

U2L6_img_step_7.png

78 ms

player.html

player.html

28 ms

cerapro-regular-webfont.woff

cerapro-regular-webfont.woff

616 ms

cerapro-medium-webfont.woff

cerapro-medium-webfont.woff

563 ms

cerapro-bold-webfont.woff

cerapro-bold-webfont.woff

552 ms

webpack-runtime-1fc2c97bf49e8755a91d.js

webpack-runtime-1fc2c97bf49e8755a91d.js

14 ms

121d0c94-b84340e39e23c512a6d4.js

121d0c94-b84340e39e23c512a6d4.js

47 ms

b426c20a-bc188980632fe4859942.js

b426c20a-bc188980632fe4859942.js

47 ms

app-2580a1ad5475a742f636.js

app-2580a1ad5475a742f636.js

47 ms

rum

rum

20 ms

player.css

player.css

5 ms

player.js

player.js

16 ms

Accessibility Review

lego.education accessibility score

91

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

Links do not have a discernible name

Best Practices

lego.education 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

High

Missing source maps for large first-party JavaScript

SEO Factors

lego.education SEO score

92

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

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 Lego.education 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 Lego.education 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

lego.education

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