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kexuefoxue.com screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

kexuefoxue.com

Page Load Speed

47.7 sec in total

First Response

6.4 sec

Resources Loaded

40.9 sec

Page Rendered

423 ms

kexuefoxue.com screenshot

About Website

Click here to check amazing Kexuefoxue content. Otherwise, check out these important facts you probably never knew about kexuefoxue.com

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Key Findings

We analyzed Kexuefoxue.com page load time and found that the first response time was 6.4 sec and then it took 41.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

kexuefoxue.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value7.0 s

52/100

10%

Network Requests Diagram

kexuefoxue.com

6393 ms

www.kexuefoxue.com

5729 ms

style.css

16532 ms

icon_sub_c1s68.gif

20038 ms

index.php

873 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 34% of them (13 requests) were addressed to the original Kexuefoxue.com, 18% (7 requests) were made to Img.t.sinajs.cn and 5% (2 requests) were made to Img.feedsky.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Kexuefoxue.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 156.7 kB (61%)

Content Size

257.6 kB

After Optimization

101.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kexuefoxue.com main page is 257.6 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. 35% of websites need less resources to load. Javascripts take 163.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 30.9 kB

  • Original 39.8 kB
  • After minification 36.9 kB
  • After compression 8.9 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 30.9 kB or 78% of the original size.

Image Optimization

-13%

Potential reduce by 2.4 kB

  • Original 19.0 kB
  • After minification 16.6 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, Kexuefoxue needs image optimization as it can save up to 2.4 kB 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

-58%

Potential reduce by 94.9 kB

  • Original 163.8 kB
  • After minification 160.0 kB
  • After compression 69.0 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 94.9 kB or 58% of the original size.

CSS Optimization

-81%

Potential reduce by 28.6 kB

  • Original 35.1 kB
  • After minification 35.1 kB
  • After compression 6.5 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. Kexuefoxue.com needs all CSS files to be minified and compressed as it can save up to 28.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (67%)

Requests Now

30

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kexuefoxue. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kexuefoxue.com

kexuefoxue.com

6393 ms

www.kexuefoxue.com

www.kexuefoxue.com

5729 ms

style.css

style.css

16532 ms

icon_sub_c1s68.gif

icon_sub_c1s68.gif

20038 ms

index.php

index.php

873 ms

swfobject.js

swfobject.js

11352 ms

jquery.min.js

jquery.min.js

59 ms

jquery-ui.min.js

jquery-ui.min.js

81 ms

superfish.js

superfish.js

20299 ms

supersubs.js

supersubs.js

2326 ms

loader.js

loader.js

114 ms

icon_sub_c1s13.gif

icon_sub_c1s13.gif

20029 ms

weiboShow.css

weiboShow.css

105 ms

skin_default.css

skin_default.css

112 ms

gaea_1_19.js

gaea_1_19.js

149 ms

show.js

show.js

114 ms

suda.js

suda.js

110 ms

1

1

2018 ms

btns_bg.png

btns_bg.png

170 ms

icon_follow.png

icon_follow.png

44 ms

icon_user.png

icon_user.png

42 ms

bg_trans.png

bg_trans.png

84 ms

icon_tips.png

icon_tips.png

84 ms

tmp.gif

tmp.gif

20074 ms

960.css

960.css

2423 ms

css

css

119 ms

white-texture.png

white-texture.png

10423 ms

date.png

date.png

6245 ms

category.png

category.png

1826 ms

author.png

author.png

10070 ms

permalink.png

permalink.png

2961 ms

search.png

search.png

2364 ms

h.js

h.js

1716 ms

hm.gif

hm.gif

468 ms

ga.js

ga.js

104 ms

EvPKapBawcLZ3hbihjhqAaCWcynf_cDxXwCLxiixG1c.ttf

EvPKapBawcLZ3hbihjhqAaCWcynf_cDxXwCLxiixG1c.ttf

145 ms

2koEo4AKFSvK4B52O_MwaonF5uFdDttMLvmWuJdhhgs.ttf

2koEo4AKFSvK4B52O_MwaonF5uFdDttMLvmWuJdhhgs.ttf

196 ms

__utm.gif

__utm.gif

80 ms

Accessibility Review

kexuefoxue.com accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

kexuefoxue.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kexuefoxue.com SEO score

92

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kexuefoxue.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Kexuefoxue.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

kexuefoxue.com

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