Tools & Wizards About Us
statproofbook.github.io screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

statproofbook.github.io

The Book of Statistical Proofs | The Book of Statistical Proofs – a centralized, open and collaboratively edited archive of statistical theorems for t...

Page Load Speed

894 ms in total

First Response

14 ms

Resources Loaded

799 ms

Page Rendered

81 ms

statproofbook.github.io screenshot

About Website

Welcome to statproofbook.github.io homepage info - get ready to check Statproof Book Github best content for China right away, or after learning these important things about statproofbook.github.io

The Book of Statistical Proofs – a centralized, open and collaboratively edited archive of statistical theorems for the computational sciences

Visit statproofbook.github.io

Key Findings

We analyzed Statproofbook.github.io page load time and found that the first response time was 14 ms and then it took 880 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

statproofbook.github.io performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.4 s

99/100

10%

Network Requests Diagram

statproofbook.github.io

14 ms

statproofbook.github.io

26 ms

main.css

11 ms

MathJax.js

105 ms

TeX-AMS_CHTML.js

184 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 27% of them (7 requests) were addressed to the original Statproofbook.github.io, 65% (17 requests) were made to Cdn.jsdelivr.net and 4% (1 request) were made to Zenodo.org. The less responsive or slowest element that took the longest time to load (449 ms) relates to the external source Cdn.jsdelivr.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.5 kB (47%)

Content Size

28.5 kB

After Optimization

15.0 kB

  • HTML
  • Images

In fact, the total size of Statproofbook.github.io main page is 28.5 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. Only 10% of websites need less resources to load. HTML takes 14.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.6 kB

  • Original 14.6 kB
  • After minification 13.9 kB
  • After compression 4.0 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 10.6 kB or 73% of the original size.

Image Optimization

-21%

Potential reduce by 2.9 kB

  • Original 14.0 kB
  • After minification 11.1 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. Obviously, Statproof Book Github needs image optimization as it can save up to 2.9 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 16 (67%)

Requests Now

24

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Statproof Book Github. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

statproofbook.github.io

statproofbook.github.io

14 ms

statproofbook.github.io

statproofbook.github.io

26 ms

main.css

main.css

11 ms

MathJax.js

MathJax.js

105 ms

TeX-AMS_CHTML.js

TeX-AMS_CHTML.js

184 ms

Index_1.png

Index_1.png

11 ms

zenodo.4305949.svg

zenodo.4305949.svg

416 ms

88x31.png

88x31.png

62 ms

Index_2.png

Index_2.png

23 ms

Index_3.png

Index_3.png

14 ms

minima-social-icons.svg

minima-social-icons.svg

19 ms

config.js

config.js

123 ms

config.js

config.js

97 ms

config.js

config.js

186 ms

tex2jax.js

tex2jax.js

201 ms

MathEvents.js

MathEvents.js

189 ms

MathZoom.js

MathZoom.js

100 ms

MathMenu.js

MathMenu.js

192 ms

toMathML.js

toMathML.js

301 ms

noErrors.js

noErrors.js

212 ms

noUndefined.js

noUndefined.js

273 ms

AMSmath.js

AMSmath.js

393 ms

AMSsymbols.js

AMSsymbols.js

281 ms

fast-preview.js

fast-preview.js

290 ms

AssistiveMML.js

AssistiveMML.js

302 ms

accessibility-menu.js

accessibility-menu.js

449 ms

Accessibility Review

statproofbook.github.io accessibility score

83

Accessibility Issues

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.

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

High

Form elements do not have associated labels

Best Practices

statproofbook.github.io 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

High

Browser errors were logged to the console

SEO Factors

statproofbook.github.io SEO score

89

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 Statproofbook.github.io 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 Statproofbook.github.io 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

statproofbook.github.io

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: