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izmailoff.github.io screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

izmailoff.github.io

izmailoff | A blog about best programming practices, tricks and maybe some machine learning. Topics: Functional Programming (FP), Object Oriented Prog...

Page Load Speed

429 ms in total

First Response

28 ms

Resources Loaded

205 ms

Page Rendered

196 ms

izmailoff.github.io screenshot

About Website

Click here to check amazing Izmailoff Github content for China. Otherwise, check out these important facts you probably never knew about izmailoff.github.io

A blog about best programming practices, tricks and maybe some machine learning. Topics: Functional Programming (FP), Object Oriented Programming (OOP), Machine Learning (ML), Big Data, performance, c...

Visit izmailoff.github.io

Key Findings

We analyzed Izmailoff.github.io page load time and found that the first response time was 28 ms and then it took 401 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

izmailoff.github.io performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

izmailoff.github.io

28 ms

style.css

25 ms

jquery.min.js

43 ms

MathJax.js

59 ms

main.css

24 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 80% of them (16 requests) were addressed to the original Izmailoff.github.io, 10% (2 requests) were made to Cdnjs.cloudflare.com and 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (99 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.0 kB (34%)

Content Size

53.5 kB

After Optimization

35.4 kB

  • HTML
  • JavaScript

In fact, the total size of Izmailoff.github.io main page is 53.5 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. 40% of websites need less resources to load. Javascripts take 30.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.0 kB

  • Original 23.2 kB
  • After minification 20.0 kB
  • After compression 5.1 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. This page needs HTML code to be minified as it can gain 3.2 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.0 kB or 78% of the original size.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 30.3 kB
  • After minification 30.3 kB
  • After compression 30.3 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.

Requests Breakdown

Number of requests can be reduced by 8 (42%)

Requests Now

19

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izmailoff 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

izmailoff.github.io

izmailoff.github.io

28 ms

style.css

style.css

25 ms

jquery.min.js

jquery.min.js

43 ms

MathJax.js

MathJax.js

59 ms

main.css

main.css

24 ms

js

js

99 ms

share-page.css

share-page.css

25 ms

Facebook.svg

Facebook.svg

86 ms

Twitter.svg

Twitter.svg

88 ms

Google+.svg

Google+.svg

39 ms

Tumblr.svg

Tumblr.svg

84 ms

Pinterest.svg

Pinterest.svg

36 ms

Pocket.svg

Pocket.svg

33 ms

Reddit.svg

Reddit.svg

93 ms

LinkedIn.svg

LinkedIn.svg

89 ms

Wordpress.svg

Wordpress.svg

94 ms

Pinboard.svg

Pinboard.svg

97 ms

Email.svg

Email.svg

91 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

35 ms

minima-social-icons.svg

minima-social-icons.svg

63 ms

Accessibility Review

izmailoff.github.io accessibility score

95

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

izmailoff.github.io best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

izmailoff.github.io SEO score

69

Search Engine Optimization Advices

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 Izmailoff.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 Izmailoff.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

izmailoff.github.io

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