Access nongye.cnki.net. Loading

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

15/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.073

96/100

15%

TTI (Time to Interactive)

Value28.4 s

0/100

10%

nongye.cnki.net

7678 ms

custom.css

4307 ms

public.css

549 ms

css.css

1978 ms

jquery.min.js

19563 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 79% of them (70 requests) were addressed to the original Nongye.cnki.net, 4% (4 requests) were made to Elib.cnki.net and 3% (3 requests) were made to N3.elib.cnki.net. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Nongye.cnki.net.

Content Size

5.2 MB

After Optimization

3.3 MB

In fact, the total size of Nongye.cnki.net main page is 5.2 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. 20% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 107.3 kB

Original 126.4 kB
After minification 111.8 kB
After compression 19.1 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 14.6 kB, which is 12% 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 107.3 kB or 85% of the original size.

Image Optimization

-26%

Potential reduce by 1.1 MB

Original 4.1 MB
After minification 3.0 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, Nongye Cnki needs image optimization as it can save up to 1.1 MB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 648.9 kB

Original 829.2 kB
After minification 649.4 kB
After compression 180.3 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 648.9 kB or 78% of the original size.

CSS Optimization

-85%

Potential reduce by 80.1 kB

Original 94.0 kB
After minification 73.5 kB
After compression 14.0 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. Nongye.cnki.net needs all CSS files to be minified and compressed as it can save up to 80.1 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nongye Cnki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nongye.cnki.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Nongye.cnki.net 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

nongye.cnki.net

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Loading

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

nongye.cnki.net

custom.css

public.css

css.css

jquery.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

nongye.cnki.net

custom.css

public.css

css.css

jquery.min.js

logon.js

header.js

index.js

ProvinceSelector.js

doGetColumn.aspx

yu.js

tb.js

stat.php

top-line.jpg

head-img.jpg

dengl.gif

nldytips.png

zhihuinongmin.gif

d1.gif

d2.gif

d3.gif

d4.gif

d5.gif

sb.gif

new.png

erwm.jpg

sjf.png

divoff.gif

jzscxxt1.gif

16.gif

cl.jpg

tianjain1.gif

zjkc.jpg

ban_e.jpg

nldy2015.jpg

jshd2015.jpg

whsy.jpg

10wange.jpg

jj1.jpg

jj2.jpg

jj3.jpg

jjj4.jpg

jjj5.jpg