Tools & Wizards About Us

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

lb.raspberrypi.org

Teach, learn, and make with the Raspberry Pi Foundation

Page Load Speed

3.4 sec in total

First Response

83 ms

Resources Loaded

2.7 sec

Page Rendered

582 ms

About Website

Welcome to lb.raspberrypi.org homepage info - get ready to check Lb Raspberry Pi best content for United States right away, or after learning these important things about lb.raspberrypi.org

We are a charity with the mission to enable young people to realise their full potential through the power of computing and digital technologies.

Visit lb.raspberrypi.org

Key Findings

We analyzed Lb.raspberrypi.org page load time and found that the first response time was 83 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

lb.raspberrypi.org performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

www.raspberrypi.org

83 ms

application-a87ef36fcf0e6442c64e89c97efea0e8520c6f3d7d440f4839207698f2e7aa2c.css

39 ms

css2

49 ms

es-module-shims.js

28 ms

instantpage.js

28 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Lb.raspberrypi.org, 10% (9 requests) were made to Images.ctfassets.net and 6% (6 requests) were made to Raspberrypi.org. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.9 kB (44%)

Content Size

128.3 kB

After Optimization

72.4 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Lb.raspberrypi.org main page is 128.3 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. 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. HTML takes 66.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 55.5 kB

  • Original 66.0 kB
  • After minification 60.3 kB
  • After compression 10.5 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. 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 55.5 kB or 84% of the original size.

JavaScript Optimization

-7%

Potential reduce by 382 B

  • Original 5.7 kB
  • After minification 5.7 kB
  • After compression 5.4 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 0 B

  • Original 56.5 kB
  • After minification 56.5 kB
  • After compression 56.5 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. Lb.raspberrypi.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (15%)

Requests Now

20

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lb Raspberry Pi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

lb.raspberrypi.org accessibility score

98

Accessibility Issues

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

lb.raspberrypi.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

lb.raspberrypi.org SEO score

100

Search Engine Optimization Advices

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 Lb.raspberrypi.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 Lb.raspberrypi.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 Lb Raspberry Pi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: