Access jsr.org.cn. www.jsr.org.cn-官网首页

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

jsr.org.cn

4526 ms

news.css

811 ms

jd90.gif

5484 ms

gz2011.gif

2243 ms

indexlogo.gif

914 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 99% of them (93 requests) were addressed to the original Jsr.org.cn, 1% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (15.5 sec) belongs to the original domain Jsr.org.cn.

Content Size

91.1 kB

After Optimization

8.7 kB

In fact, the total size of Jsr.org.cn main page is 91.1 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. 25% of websites need less resources to load. HTML takes 91.1 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 82.4 kB

Original 91.1 kB
After minification 68.3 kB
After compression 8.7 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 22.9 kB, which is 25% 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 82.4 kB or 90% of the original size.

Requests Now

After Optimization

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsr. According to our analytics all requests are already optimized.

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

Form elements do not have associated labels

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

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GB2312

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

jsr.org.cn

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

www.jsr.org.cn-官网首页

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

jsr.org.cn

news.css

jd90.gif

gz2011.gif

indexlogo.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

jsr.org.cn

news.css

jd90.gif

gz2011.gif

indexlogo.gif

index-left.gif

index-right.gif

best3.htm

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designweb.gif

ywgz12.jpg

index_400.asp

tg02.jpg

xu_line22.jpg

20100421.gif

regreg.gif

xwhkt.gif

5ahouse.gif

nj2012mc.gif

jsnews2012001.jpg

rwzl.jpg

indexrw001.gif

xu_line.jpg

indexrw002.gif

rd_bg.jpg

zjjs.gif

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xuxian600.jpg

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read_line.jpg

Wuxi.gif

newscodejs.asp

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Changzhou.gif

wx.gif

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