Tools & Wizards About Us
nais.net.cn screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

nais.net.cn

中国农业科技文献与信息服务平台

Page Load Speed

14 sec in total

First Response

2 sec

Resources Loaded

11.9 sec

Page Rendered

105 ms

nais.net.cn screenshot

About Website

Welcome to nais.net.cn homepage info - get ready to check Nais best content for China right away, or after learning these important things about nais.net.cn

Visit nais.net.cn

Key Findings

We analyzed Nais.net.cn page load time and found that the first response time was 2 sec and then it took 12 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

nais.net.cn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

nais.net.cn

1980 ms

default

439 ms

897 ms

css.css

1346 ms

lrtk.css

694 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 94% of them (44 requests) were addressed to the original Nais.net.cn, 4% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Nais.net.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.6 kB (49%)

Content Size

107.8 kB

After Optimization

55.3 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Nais.net.cn main page is 107.8 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. 30% of websites need less resources to load. Images take 54.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 17.3 kB

  • Original 22.9 kB
  • After minification 19.8 kB
  • After compression 5.6 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. This page needs HTML code to be minified as it can gain 3.1 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 17.3 kB or 76% of the original size.

Image Optimization

-21%

Potential reduce by 11.4 kB

  • Original 54.8 kB
  • After minification 43.4 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, Nais needs image optimization as it can save up to 11.4 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-79%

Potential reduce by 23.9 kB

  • Original 30.1 kB
  • After minification 26.8 kB
  • After compression 6.2 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. Nais.net.cn needs all CSS files to be minified and compressed as it can save up to 23.9 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

32

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nais. According to our analytics all requests are already optimized.

Network Requests Diagram

nais.net.cn

nais.net.cn

1980 ms

default

default

439 ms

897 ms

css.css

css.css

1346 ms

lrtk.css

lrtk.css

694 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

3312 ms

jquery.hhService.js

jquery.hhService.js

3356 ms

login.js

login.js

3397 ms

index.js

index.js

3400 ms

js.js

js.js

3405 ms

sidebar.css

sidebar.css

3407 ms

easy_tabs.js

easy_tabs.js

3066 ms

hm.js

hm.js

1288 ms

get_flash_player.gif

get_flash_player.gif

1021 ms

userAction_indexlogin.action

userAction_indexlogin.action

1014 ms

icon.png

icon.png

1012 ms

navright.gif

navright.gif

1014 ms

icon_wx.gif

icon_wx.gif

1015 ms

icon01.gif

icon01.gif

1014 ms

icon02.gif

icon02.gif

1014 ms

code.png

code.png

1199 ms

icon03.gif

icon03.gif

1109 ms

search_bg.jpg

search_bg.jpg

5079 ms

graybtn.gif

graybtn.gif

1203 ms

inputbg.gif

inputbg.gif

1206 ms

arrow05.gif

arrow05.gif

1208 ms

serbtn.gif

serbtn.gif

5078 ms

arrow04.gif

arrow04.gif

5080 ms

redmore.gif

redmore.gif

5081 ms

blakmore.gif

blakmore.gif

5081 ms

hot.gif

hot.gif

5082 ms

weixin_code.jpg

weixin_code.jpg

5086 ms

userAction_judgeLogout.action

userAction_judgeLogout.action

4954 ms

arrow1.gif

arrow1.gif

4083 ms

index_rightbg.jpg

index_rightbg.jpg

4083 ms

right_icon01.gif

right_icon01.gif

4083 ms

redarrow.gif

redarrow.gif

4083 ms

right_icon02.gif

right_icon02.gif

4082 ms

linkbg.gif

linkbg.gif

4083 ms

linkarrow.gif

linkarrow.gif

4083 ms

sidebar_bg.png

sidebar_bg.png

4083 ms

cxbtn.gif

cxbtn.gif

4084 ms

red_line.gif

red_line.gif

4084 ms

jquery-1.4.4.min.js

jquery-1.4.4.min.js

4081 ms

xml.js

xml.js

4080 ms

hm.gif

hm.gif

449 ms

redbtn.gif

redbtn.gif

271 ms

Accessibility Review

nais.net.cn accessibility score

43

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

nais.net.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nais.net.cn SEO score

71

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

    N/A

  • Encoding

    UTF-8

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

nais.net.cn

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