Tools & Wizards About Us
phdigong.cn screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

phdigong.cn

阿里云万网虚机IP访问报错提示

Page Load Speed

3.4 sec in total

First Response

729 ms

Resources Loaded

2.5 sec

Page Rendered

92 ms

phdigong.cn screenshot

About Website

Click here to check amazing Phdigong content. Otherwise, check out these important facts you probably never knew about phdigong.cn

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Key Findings

We analyzed Phdigong.cn page load time and found that the first response time was 729 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

phdigong.cn performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value3,160 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.305

39/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

phdigong.cn

729 ms

ipvisit_stop

137 ms

g.alicdn.com

29 ms

font_1175572_77a2hn4ww6y.css

19 ms

font_276948_28ii451l5wi.css

26 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Phdigong.cn, 50% (18 requests) were made to G.alicdn.com and 19% (7 requests) were made to At.alicdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Query.aliyun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.6 kB (16%)

Content Size

1.0 MB

After Optimization

876.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Phdigong.cn main page is 1.0 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. 60% of websites need less resources to load. Javascripts take 772.7 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 31.8 kB

  • Original 44.8 kB
  • After minification 44.0 kB
  • After compression 13.0 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 31.8 kB or 71% of the original size.

Image Optimization

-1%

Potential reduce by 623 B

  • Original 85.1 kB
  • After minification 84.5 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. Phdigong images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 100.2 kB

  • Original 772.7 kB
  • After minification 772.7 kB
  • After compression 672.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 100.2 kB or 13% of the original size.

CSS Optimization

-23%

Potential reduce by 31.0 kB

  • Original 137.2 kB
  • After minification 137.1 kB
  • After compression 106.1 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. Phdigong.cn needs all CSS files to be minified and compressed as it can save up to 31.0 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (76%)

Requests Now

33

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Phdigong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

phdigong.cn

phdigong.cn

729 ms

ipvisit_stop

ipvisit_stop

137 ms

g.alicdn.com

g.alicdn.com

29 ms

font_1175572_77a2hn4ww6y.css

font_1175572_77a2hn4ww6y.css

19 ms

font_276948_28ii451l5wi.css

font_276948_28ii451l5wi.css

26 ms

font_274588_tf6h927cvbl.css

font_274588_tf6h927cvbl.css

53 ms

qihang.domain.css

qihang.domain.css

1177 ms

g.alicdn.com

g.alicdn.com

57 ms

g.alicdn.com

g.alicdn.com

62 ms

qihang.webview-js

qihang.webview-js

1196 ms

66 ms

website.js

website.js

111 ms

g.alicdn.com

g.alicdn.com

84 ms

g.alicdn.com

g.alicdn.com

65 ms

index.js

index.js

68 ms

g.alicdn.com

g.alicdn.com

67 ms

g.alicdn.com

g.alicdn.com

67 ms

O1CN01Y4zlbt1zQJc4eBTUq_!!6000000006708-2-tps-300-48.png

O1CN01Y4zlbt1zQJc4eBTUq_!!6000000006708-2-tps-300-48.png

373 ms

O1CN01e6cLzB1R2JxLfeCCg_!!6000000002053-2-tps-84-34.png

O1CN01e6cLzB1R2JxLfeCCg_!!6000000002053-2-tps-84-34.png

374 ms

O1CN01CPTCiG1QLj7jCm0nB_!!6000000001960-0-tps-258-258.jpg

O1CN01CPTCiG1QLj7jCm0nB_!!6000000001960-0-tps-258-258.jpg

400 ms

O1CN01hff5LR1ToWz528p04_!!6000000002429-0-tps-258-258.jpg

O1CN01hff5LR1ToWz528p04_!!6000000002429-0-tps-258-258.jpg

406 ms

O1CN01w7xdgq1Ie28Igj9Sr_!!6000000000917-0-tps-258-258.jpg

O1CN01w7xdgq1Ie28Igj9Sr_!!6000000000917-0-tps-258-258.jpg

460 ms

TB1i3Hdjkcx_u4jSZFlXXXnUFXa-944-649.png

TB1i3Hdjkcx_u4jSZFlXXXnUFXa-944-649.png

459 ms

index.css

index.css

13 ms

79 ms

font_1175572_77a2hn4ww6y.woff

font_1175572_77a2hn4ww6y.woff

91 ms

index.js

index.js

70 ms

g.alicdn.com

g.alicdn.com

72 ms

font_1175572_77a2hn4ww6y.css

font_1175572_77a2hn4ww6y.css

62 ms

font_276948_28ii451l5wi.css

font_276948_28ii451l5wi.css

68 ms

font_274588_tf6h927cvbl.css

font_274588_tf6h927cvbl.css

67 ms

g.alicdn.com

g.alicdn.com

62 ms

g.alicdn.com

g.alicdn.com

60 ms

index.css

index.css

57 ms

Account.js

Account.js

44 ms

Account.css

Account.css

5 ms

Accessibility Review

phdigong.cn accessibility score

72

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

Links do not have a discernible name

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

phdigong.cn 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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

phdigong.cn SEO score

75

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

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Phdigong.cn 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 Phdigong.cn 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

phdigong.cn

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