Tools & Wizards About Us
jsyst.cn screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

jsyst.cn

极速直播-欧洲杯直播|足球直播|NBA直播|极速体育直播吧

Page Load Speed

40.3 sec in total

First Response

12.9 sec

Resources Loaded

27.1 sec

Page Rendered

295 ms

jsyst.cn screenshot

About Website

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

★极速直播★国内最好体育直播网,提供高清免费NBA直播,篮球直播,足球直播包括欧洲杯直播,世界杯直播,亚洲杯直播,五大联赛等足球直播,最好的极速体育直播在线观看就来极速直播网。

Visit jsyst.cn

Key Findings

We analyzed Jsyst.cn page load time and found that the first response time was 12.9 sec and then it took 27.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jsyst.cn performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

jsyst.cn

12907 ms

style.css

2984 ms

logo.gif

2723 ms

2016new.gif

19906 ms

2016xg.gif

5726 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jsyst.cn, 53% (34 requests) were made to Pic.jsyst.cn and 13% (8 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Image.jsyst.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 233.9 kB (60%)

Content Size

389.5 kB

After Optimization

155.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jsyst.cn main page is 389.5 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. Javascripts take 290.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 40.3 kB

  • Original 51.0 kB
  • After minification 51.0 kB
  • After compression 10.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 40.3 kB or 79% of the original size.

Image Optimization

-15%

Potential reduce by 6.7 kB

  • Original 45.9 kB
  • After minification 39.2 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, Jsyst needs image optimization as it can save up to 6.7 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 186.9 kB

  • Original 290.5 kB
  • After minification 290.5 kB
  • After compression 103.6 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 186.9 kB or 64% of the original size.

CSS Optimization

-1%

Potential reduce by 17 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 2.0 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. Jsyst.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (26%)

Requests Now

61

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsyst. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jsyst.cn

jsyst.cn

12907 ms

style.css

style.css

2984 ms

logo.gif

logo.gif

2723 ms

2016new.gif

2016new.gif

19906 ms

2016xg.gif

2016xg.gif

5726 ms

box_pic1.jpg

box_pic1.jpg

4112 ms

tel.gif

tel.gif

2872 ms

small_pic.gif

small_pic.gif

3303 ms

top_bg.gif

top_bg.gif

5586 ms

shell_v2.js

shell_v2.js

1205 ms

box_pic2.jpg

box_pic2.jpg

2684 ms

banner1.gif

banner1.gif

20265 ms

c.js

c.js

1092 ms

bds_s_v2.js

bds_s_v2.js

829 ms

bdsstyle.css

bdsstyle.css

398 ms

getnum

getnum

1537 ms

qckm

qckm

949 ms

is.png

is.png

2024 ms

sc.png

sc.png

684 ms

qckm

qckm

6372 ms

video1.gif

video1.gif

5979 ms

video3.gif

video3.gif

2152 ms

video8.gif

video8.gif

7505 ms

video4.gif

video4.gif

705 ms

video5.gif

video5.gif

865 ms

video6.gif

video6.gif

1057 ms

video7.gif

video7.gif

1299 ms

video9.gif

video9.gif

1409 ms

video2.gif

video2.gif

3979 ms

video10.gif

video10.gif

1761 ms

video11.gif

video11.gif

2117 ms

video12.gif

video12.gif

2470 ms

world_vehiclesIn.gif

world_vehiclesIn.gif

884 ms

cpro.js

cpro.js

782 ms

adx.php

adx.php

1736 ms

icon_12px.png

icon_12px.png

472 ms

llk.gif

llk.gif

1953 ms

gameTop_span1.jpg

gameTop_span1.jpg

365 ms

qczdy.gif

qczdy.gif

1260 ms

gameTop_span2.jpg

gameTop_span2.jpg

1870 ms

jssc.gif

jssc.gif

1693 ms

gameTop_span3.jpg

gameTop_span3.jpg

2126 ms

blmtc.gif

blmtc.gif

2573 ms

gameTop_span4.jpg

gameTop_span4.jpg

3668 ms

sglmrbz.gif

sglmrbz.gif

3967 ms

jxxc.gif

jxxc.gif

2787 ms

qcxskc.gif

qcxskc.gif

2924 ms

qcct.gif

qcct.gif

3644 ms

tksc.gif

tksc.gif

3627 ms

mnsc.gif

mnsc.gif

4705 ms

game_link_d.gif

game_link_d.gif

433 ms

bottom.gif

bottom.gif

924 ms

h.js

h.js

4491 ms

reduce_bd-logo1_oper.png

reduce_bd-logo1_oper.png

498 ms

closefeedback.min.js

closefeedback.min.js

469 ms

reduce_promotion_oper.png

reduce_promotion_oper.png

464 ms

bd_logo.png

bd_logo.png

480 ms

bg_rb.png

bg_rb.png

490 ms

logger.js

logger.js

386 ms

hm.gif

hm.gif

1574 ms

o.htm

o.htm

1939 ms

hm.gif

hm.gif

362 ms

wh.js

wh.js

770 ms

ac.js

ac.js

532 ms

Accessibility Review

jsyst.cn accessibility score

76

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Best Practices

jsyst.cn best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

jsyst.cn SEO score

75

Search Engine Optimization Advices

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 Jsyst.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 Jsyst.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

jsyst.cn

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