Tools & Wizards About Us
libreboot.org screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% 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

  • 78

    SEO

    Google-friendlier than
    39% of websites

libreboot.org

Libreboot – Free and Open Source BIOS/UEFI boot firmware

Page Load Speed

2.4 sec in total

First Response

352 ms

Resources Loaded

1.6 sec

Page Rendered

451 ms

libreboot.org screenshot

About Website

Welcome to libreboot.org homepage info - get ready to check Libreboot best content for Russia right away, or after learning these important things about libreboot.org

Libreboot is a free/opensource BIOS/UEFI boot firmware distribution based on coreboot with GNU boot loader GRUB, SeaBIOS and U-Boot, for booting Linux/BSD.

Visit libreboot.org

Key Findings

We analyzed Libreboot.org page load time and found that the first response time was 352 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

libreboot.org performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

libreboot.org

352 ms

libreboot.org

322 ms

global.css

76 ms

logo.png

395 ms

9470m+2560p.jpg

622 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 33% of them (3 requests) were addressed to the original Libreboot.org, 67% (6 requests) were made to Av.libreboot.org. The less responsive or slowest element that took the longest time to load (876 ms) relates to the external source Av.libreboot.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.2 kB (2%)

Content Size

526.0 kB

After Optimization

515.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Libreboot.org main page is 526.0 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. 15% of websites need less resources to load. Images take 509.8 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 10.1 kB

  • Original 15.5 kB
  • After minification 15.4 kB
  • After compression 5.4 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 10.1 kB or 65% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 509.8 kB
  • After minification 509.8 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. Libreboot images are well optimized though.

CSS Optimization

-24%

Potential reduce by 195 B

  • Original 818 B
  • After minification 818 B
  • After compression 623 B

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. Libreboot.org needs all CSS files to be minified and compressed as it can save up to 195 B or 24% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libreboot. According to our analytics all requests are already optimized.

Network Requests Diagram

libreboot.org

libreboot.org

352 ms

libreboot.org

libreboot.org

322 ms

global.css

global.css

76 ms

logo.png

logo.png

395 ms

9470m+2560p.jpg

9470m+2560p.jpg

622 ms

thinkpadcollection1-min.jpg

thinkpadcollection1-min.jpg

846 ms

hp2170p.jpg

hp2170p.jpg

850 ms

t1650_grub.jpg

t1650_grub.jpg

876 ms

grub_open.jpg

grub_open.jpg

799 ms

Accessibility Review

libreboot.org accessibility score

79

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

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

libreboot.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

libreboot.org SEO score

78

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

Image elements do not have [alt] attributes

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 Libreboot.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 Libreboot.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

libreboot.org

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