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name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

www.jysns.net

3249 ms

main.css

3995 ms

swfobject.js

546 ms

jquery.js

1391 ms

stat.php

1327 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 81% of them (38 requests) were addressed to the original Jysns.net, 4% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to S19.cnzz.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Wpa.qq.com.

Content Size

614.8 kB

After Optimization

503.4 kB

In fact, the total size of Jysns.net main page is 614.8 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. 15% of websites need less resources to load. Images take 464.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 17.9 kB

Original 23.6 kB
After minification 20.9 kB
After compression 5.8 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 2.7 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 17.9 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 5.7 kB

Original 464.4 kB
After minification 458.8 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. Jysns images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 65.0 kB

Original 97.9 kB
After minification 95.7 kB
After compression 32.9 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 65.0 kB or 66% of the original size.

CSS Optimization

-79%

Potential reduce by 22.8 kB

Original 28.9 kB
After minification 25.4 kB
After compression 6.0 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. Jysns.net needs all CSS files to be minified and compressed as it can save up to 22.8 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jysns. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

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 the legibility of your content.

High

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

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

High

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jysns.net 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Jysns.net main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

jysns.net

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

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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

www.jysns.net

main.css

swfobject.js

jquery.js

stat.php

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

www.jysns.net

main.css

swfobject.js

jquery.js

stat.php

kf.css

kefu.js

piaofu.js

4091.js

base.css

pa

container_indexbg.png

headerbg0105.gif

logo0104.gif

logo.gif

menubg0104.gif

banner_1.jpg

banner_2.jpg

banner_3.jpg

image-dot.jpg

title_bg.gif

mid_show_bg.jpg

newcase.gif

2015-08-17_123320.jpg

201501220814148228.jpg

201407141612101220.jpg

201408250342423016.jpg

nopic.gif

web.jpg

btn2.jpg

a2_left.jpg

a2_right.jpg

icon_2.jpg

footer_bg.jpg

footer_padding.jpg

icon_1.jpg

h.js

hm.gif

stat.htm

core.php

9.gif

Kf_bg03_01.gif

Kf_bg03_02.gif