Tools & Wizards About Us
tonybai.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

tonybai.com

Tony Bai

Page Load Speed

4.3 sec in total

First Response

162 ms

Resources Loaded

2.1 sec

Page Rendered

2 sec

tonybai.com screenshot

About Website

Visit tonybai.com now to see the best up-to-date Tony Bai content for China and also check out these interesting facts you probably never knew about tonybai.com

一个程序员的心路历程

Visit tonybai.com

Key Findings

We analyzed Tonybai.com page load time and found that the first response time was 162 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

tonybai.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

tonybai.com

162 ms

tonybai.com

494 ms

wp-recentcomments.css

137 ms

normalize.css

201 ms

style.css

205 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 59% of them (24 requests) were addressed to the original Tonybai.com, 12% (5 requests) were made to Image.tonybai.com and 7% (3 requests) were made to Clustrmaps.com. The less responsive or slowest element that took the longest time to load (915 ms) belongs to the original domain Tonybai.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (15%)

Content Size

12.1 MB

After Optimization

10.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tonybai.com main page is 12.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 11.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 244.3 kB

  • Original 325.0 kB
  • After minification 323.8 kB
  • After compression 80.7 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 244.3 kB or 75% of the original size.

Image Optimization

-13%

Potential reduce by 1.5 MB

  • Original 11.7 MB
  • After minification 10.2 MB

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, Tony Bai needs image optimization as it can save up to 1.5 MB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 118 B

  • Original 33.7 kB
  • After minification 33.7 kB
  • After compression 33.6 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

-32%

Potential reduce by 1.8 kB

  • Original 5.6 kB
  • After minification 5.2 kB
  • After compression 3.8 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. Tonybai.com needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (16%)

Requests Now

37

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tony Bai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tonybai.com

tonybai.com

162 ms

tonybai.com

tonybai.com

494 ms

wp-recentcomments.css

wp-recentcomments.css

137 ms

normalize.css

normalize.css

201 ms

style.css

style.css

205 ms

l10n.js

l10n.js

207 ms

html5shiv.js

html5shiv.js

554 ms

globe.js

globe.js

75 ms

wp-recentcomments.js

wp-recentcomments.js

145 ms

globe.js

globe.js

98 ms

ga.js

ga.js

252 ms

simd-in-go-1.png

simd-in-go-1.png

517 ms

gopher-tribe-zsxq-small-card.png

gopher-tribe-zsxq-small-card.png

244 ms

Badge%201.svg

Badge%201.svg

299 ms

simd-in-go-3.png

simd-in-go-3.png

864 ms

simd-in-go-2.png

simd-in-go-2.png

898 ms

sql-query-execution-order-1.png

sql-query-execution-order-1.png

711 ms

sql-query-execution-order-2.png

sql-query-execution-order-2.png

683 ms

icon-search.png

icon-search.png

427 ms

geekbang-go-basic-course-logo.png

geekbang-go-basic-course-logo.png

636 ms

go-programming-from-beginners-to-masters-vol1.png

go-programming-from-beginners-to-masters-vol1.png

628 ms

go-programming-from-beginners-to-masters-vol2.png

go-programming-from-beginners-to-masters-vol2.png

698 ms

gofundamentals.jpg

gofundamentals.jpg

915 ms

alipay_qr_small.png

alipay_qr_small.png

750 ms

wechat-zanshang-qr.png

wechat-zanshang-qr.png

768 ms

bitcoin-qr.png

bitcoin-qr.png

781 ms

ethereum-qr.png

ethereum-qr.png

816 ms

qrcode_for_gh_39d38f08f440_258.jpg

qrcode_for_gh_39d38f08f440_258.jpg

836 ms

tonybai-gmail-image.png

tonybai-gmail-image.png

304 ms

go-programming-from-beginner-to-master-qr.png

go-programming-from-beginner-to-master-qr.png

295 ms

go-first-course-banner.png

go-first-course-banner.png

291 ms

imooc-go-column-pgo-with-qr.jpg

imooc-go-column-pgo-with-qr.jpg

249 ms

iamtonybai-wechat-qr.png

iamtonybai-wechat-qr.png

323 ms

jquery.min.js

jquery.min.js

42 ms

counter.js

counter.js

77 ms

__utm.gif

__utm.gif

20 ms

globe_call_home.js

globe_call_home.js

85 ms

t.php

t.php

112 ms

tonybai-gmail-image.png

tonybai-gmail-image.png

546 ms

btn_myprofile_160x33.png

btn_myprofile_160x33.png

118 ms

globe

globe

80 ms

Accessibility Review

tonybai.com accessibility score

71

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

tonybai.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tonybai.com SEO score

73

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tonybai.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tonybai.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

tonybai.com

Open Graph description is not detected on the main page of Tony Bai. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: