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jansh.com.cn screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

jansh.com.cn

加密锁|加密狗|动态令牌OTP|USB Key|身份认证|加密锁9.9元|加密狗19.9元|防盗版--坚石诚信

Page Load Speed

4.6 sec in total

First Response

697 ms

Resources Loaded

3.7 sec

Page Rendered

167 ms

jansh.com.cn screenshot

About Website

Visit jansh.com.cn now to see the best up-to-date Jansh content for China and also check out these interesting facts you probably never knew about jansh.com.cn

坚石诚信科技有限公司是专业从事加密锁/加密狗专业研发及智能身份认证与软件加密保护、生产、销售的信息安全公司。公司以智能卡技术为核心，采用顶尖智能卡芯片,为电子银行、电子政务、电子商务、及软件版权加密保护等各个领域的广大客户提供高安全性、高易用性、高灵活性、高性价比的信息加密安全产品.

Visit jansh.com.cn

Key Findings

We analyzed Jansh.com.cn page load time and found that the first response time was 697 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

jansh.com.cn performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

jansh.com.cn

697 ms

header.css

215 ms

homepage.css

427 ms

footer.css

430 ms

common.js

432 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to Jansh.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Jansh.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.9 kB (3%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jansh.com.cn main page is 1.4 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. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 9.5 kB

  • Original 13.1 kB
  • After minification 11.6 kB
  • After compression 3.6 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 1.5 kB, which is 11% 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 9.5 kB or 72% of the original size.

Image Optimization

-3%

Potential reduce by 35.2 kB

  • Original 1.3 MB
  • After minification 1.3 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. Jansh images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 308 B

  • Original 17.8 kB
  • After minification 17.8 kB
  • After compression 17.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-19%

Potential reduce by 2.0 kB

  • Original 10.4 kB
  • After minification 10.4 kB
  • After compression 8.5 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. Jansh.com.cn needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (25%)

Requests Now

48

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jansh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jansh.com.cn

jansh.com.cn

697 ms

header.css

header.css

215 ms

homepage.css

homepage.css

427 ms

footer.css

footer.css

430 ms

common.js

common.js

432 ms

jquery.min.js

jquery.min.js

652 ms

banner.js

banner.js

436 ms

base.css

base.css

224 ms

bg_website.jpg

bg_website.jpg

214 ms

wrapper_bg.jpg

wrapper_bg.jpg

213 ms

header.jpg

header.jpg

220 ms

logo_jansh.jpg

logo_jansh.jpg

435 ms

join_03.gif

join_03.gif

217 ms

shop_03.gif

shop_03.gif

217 ms

fastorder.gif

fastorder.gif

424 ms

search_order_03.gif

search_order_03.gif

427 ms

wenti_03.gif

wenti_03.gif

432 ms

hr_03.gif

hr_03.gif

433 ms

main_line.jpg

main_line.jpg

437 ms

banner1.jpg

banner1.jpg

1271 ms

banner2.jpg

banner2.jpg

1707 ms

banner3.jpg

banner3.jpg

1723 ms

banner4.jpg

banner4.jpg

1727 ms

leftbar.gif

leftbar.gif

651 ms

companyEverts_title.jpg

companyEverts_title.jpg

656 ms

title_a_hover.jpg

title_a_hover.jpg

869 ms

otpfeel.jpg

otpfeel.jpg

1092 ms

ticket.jpg

ticket.jpg

1086 ms

productbg.gif

productbg.gif

1304 ms

product_title.jpg

product_title.jpg

1311 ms

soft.jpg

soft.jpg

1482 ms

iden.jpg

iden.jpg

1522 ms

otp.jpg

otp.jpg

1529 ms

reader.jpg

reader.jpg

1694 ms

card.jpg

card.jpg

1739 ms

right_photo.jpg

right_photo.jpg

1747 ms

apply.jpg

apply.jpg

1906 ms

download.jpg

download.jpg

1920 ms

question.jpg

question.jpg

1937 ms

exchange.jpg

exchange.jpg

1941 ms

zw6.jpg

zw6.jpg

1955 ms

zw7.jpg

zw7.jpg

1965 ms

zw3.jpg

zw3.jpg

2117 ms

zw4.jpg

zw4.jpg

2108 ms

award.jpg

award.jpg

1944 ms

image.php

image.php

1949 ms

Jinggong.png

Jinggong.png

1961 ms

rightBottom.gif

rightBottom.gif

1971 ms

footmenu.gif

footmenu.gif

2114 ms

Accessibility Review

jansh.com.cn accessibility score

65

Accessibility Issues

Internationalization and localization

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

Impact

Issue

High

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

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

Links do not have a discernible name

Best Practices

jansh.com.cn 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

SEO Factors

jansh.com.cn SEO score

58

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

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 Jansh.com.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 Jansh.com.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

jansh.com.cn

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