Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

learninglegacy.london2012.com

Olympic Legacy - Serving the Olympic Movement Long After the Game

Page Load Speed

5.1 sec in total

First Response

503 ms

Resources Loaded

2.5 sec

Page Rendered

2 sec

learninglegacy.london2012.com screenshot

About Website

Welcome to learninglegacy.london2012.com homepage info - get ready to check Learning Legacy London 2012 best content right away, or after learning these important things about learninglegacy.london2012.com

Discover the long-term benefits of the Olympic Games that serve the host city, its people, and the Olympic Movement before, during and long after the Olympic Games.

Visit learninglegacy.london2012.com

Key Findings

We analyzed Learninglegacy.london2012.com page load time and found that the first response time was 503 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

learninglegacy.london2012.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value13,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

learninglegacy.london2012.com

503 ms

london-2012-legacy

65 ms

olympic-legacy

325 ms

web2b.css

272 ms

usernation_cdn

20 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Learninglegacy.london2012.com, 42% (11 requests) were made to Stillres.olympics.com and 15% (4 requests) were made to Olympics.com. The less responsive or slowest element that took the longest time to load (503 ms) belongs to the original domain Learninglegacy.london2012.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 340.8 kB (82%)

Content Size

414.1 kB

After Optimization

73.3 kB

In fact, the total size of Learninglegacy.london2012.com main page is 414.1 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. 65% of websites need less resources to load. HTML takes 368.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 322.1 kB

  • Original 368.7 kB
  • After minification 337.5 kB
  • After compression 46.7 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 322.1 kB or 87% of the original size.

Image Optimization

-8%

Potential reduce by 673 B

  • Original 8.8 kB
  • After minification 8.1 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. Learning Legacy London 2012 images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 18.0 kB

  • Original 34.2 kB
  • After minification 34.2 kB
  • After compression 16.2 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 18.0 kB or 53% of the original size.

CSS Optimization

-5%

Potential reduce by 113 B

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 2.3 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. Learninglegacy.london2012.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (50%)

Requests Now

20

After Optimization

10

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learning Legacy London 2012. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

learninglegacy.london2012.com accessibility score

79

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

learninglegacy.london2012.com 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

learninglegacy.london2012.com SEO score

88

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 Learninglegacy.london2012.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 Learninglegacy.london2012.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

Open Graph data is detected on the main page of Learning Legacy London 2012. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: