Tools & Wizards About Us
zhidaxue.com screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

zhidaxue.com

美文阅读

Page Load Speed

8.4 sec in total

First Response

705 ms

Resources Loaded

7.2 sec

Page Rendered

461 ms

zhidaxue.com screenshot

About Website

Welcome to zhidaxue.com homepage info - get ready to check Zhidaxue best content right away, or after learning these important things about zhidaxue.com

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Visit zhidaxue.com

Key Findings

We analyzed Zhidaxue.com page load time and found that the first response time was 705 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zhidaxue.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

zhidaxue.com

705 ms

www.zhidaxue.com

863 ms

stlye.css

426 ms

jquery-1.9.0.min.js

910 ms

myfocus.min.js

455 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 27% of them (23 requests) were addressed to the original Zhidaxue.com, 59% (50 requests) were made to Lzrsh.com and 6% (5 requests) were made to Znsv.baidu.com. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Lzrsh.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 274.1 kB (13%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhidaxue.com main page is 2.2 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. 50% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 69.3 kB

  • Original 87.9 kB
  • After minification 86.6 kB
  • After compression 18.6 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 69.3 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 34.6 kB

  • Original 1.8 MB
  • After minification 1.8 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. Zhidaxue images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 166.6 kB

  • Original 273.1 kB
  • After minification 271.0 kB
  • After compression 106.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 166.6 kB or 61% of the original size.

CSS Optimization

-24%

Potential reduce by 3.7 kB

  • Original 15.0 kB
  • After minification 15.0 kB
  • After compression 11.4 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. Zhidaxue.com needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (21%)

Requests Now

81

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhidaxue. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zhidaxue.com

zhidaxue.com

705 ms

www.zhidaxue.com

www.zhidaxue.com

863 ms

stlye.css

stlye.css

426 ms

jquery-1.9.0.min.js

jquery-1.9.0.min.js

910 ms

myfocus.min.js

myfocus.min.js

455 ms

list.php

list.php

673 ms

alert.js

alert.js

667 ms

autoload.js

autoload.js

639 ms

theme_grdT_w.jpg

theme_grdT_w.jpg

215 ms

mF_fancy.css

mF_fancy.css

221 ms

mF_fancy.js

mF_fancy.js

221 ms

hm.js

hm.js

947 ms

309.jpg

309.jpg

649 ms

105.jpg

105.jpg

725 ms

210.jpg

210.jpg

664 ms

294.jpg

294.jpg

952 ms

65.jpg

65.jpg

960 ms

85.jpg

85.jpg

898 ms

22.jpg

22.jpg

1293 ms

54.jpg

54.jpg

1096 ms

257.jpg

257.jpg

1412 ms

299.jpg

299.jpg

1366 ms

236.jpg

236.jpg

1599 ms

175.jpg

175.jpg

1396 ms

174.jpg

174.jpg

1765 ms

17.jpg

17.jpg

1979 ms

271.jpg

271.jpg

1795 ms

125.jpg

125.jpg

1614 ms

280.jpg

280.jpg

1951 ms

35.jpg

35.jpg

2035 ms

90.jpg

90.jpg

2051 ms

267.jpg

267.jpg

2651 ms

226.jpg

226.jpg

2235 ms

339.jpg

339.jpg

2299 ms

93.jpg

93.jpg

2409 ms

14.jpg

14.jpg

2714 ms

128.jpg

128.jpg

2499 ms

254.jpg

254.jpg

2456 ms

262.jpg

262.jpg

3001 ms

179.jpg

179.jpg

2878 ms

334.jpg

334.jpg

2909 ms

229.jpg

229.jpg

2756 ms

284.jpg

284.jpg

3110 ms

201.jpg

201.jpg

3423 ms

181.jpg

181.jpg

3001 ms

6.jpg

6.jpg

3748 ms

68.jpg

68.jpg

3392 ms

265.jpg

265.jpg

3507 ms

theme_top_w.jpg

theme_top_w.jpg

957 ms

mouse.cur

mouse.cur

231 ms

logo.png

logo.png

546 ms

%E5%BE%AE%E4%BF%A1%E5%B0%8F%E7%A8%8B%E5%BA%8F.png

%E5%BE%AE%E4%BF%A1%E5%B0%8F%E7%A8%8B%E5%BA%8F.png

1449 ms

96090-5.gif

96090-5.gif

762 ms

js

js

1825 ms

nav.png

nav.png

503 ms

nav_a.png

nav_a.png

534 ms

subnav.png

subnav.png

752 ms

container_repeat.png

container_repeat.png

739 ms

container_top.jpg

container_top.jpg

756 ms

title_icon.gif

title_icon.gif

959 ms

list.gif

list.gif

958 ms

item_li.png

item_li.png

959 ms

loading.gif

loading.gif

976 ms

footer_bg.png

footer_bg.png

1038 ms

waifu.css

waifu.css

215 ms

waifu-tips.js

waifu-tips.js

427 ms

live2d.js

live2d.js

669 ms

27.jpg

27.jpg

2800 ms

122.jpg

122.jpg

2893 ms

180.jpg

180.jpg

2924 ms

326.jpg

326.jpg

3186 ms

hm.gif

hm.gif

306 ms

16.jpg

16.jpg

2780 ms

12.jpg

12.jpg

3058 ms

157.jpg

157.jpg

3390 ms

33.jpg

33.jpg

2605 ms

283.jpg

283.jpg

2842 ms

281.jpg

281.jpg

2625 ms

312.jpg

312.jpg

2720 ms

317.jpg

317.jpg

2905 ms

28.jpg

28.jpg

3083 ms

hot

hot

275 ms

wgxpath.install.js

wgxpath.install.js

449 ms

ping

ping

531 ms

link

link

268 ms

Accessibility Review

zhidaxue.com accessibility score

62

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

Definition list items are not wrapped in <dl> elements

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

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

Best Practices

zhidaxue.com best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zhidaxue.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhidaxue.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Zhidaxue.com 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

zhidaxue.com

Open Graph description is not detected on the main page of Zhidaxue. 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: