Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

all.jsyst.cn

全国各省市驾驶员考试题_2022汽车驾驶模拟考试_驾考模拟试题

Page Load Speed

15.6 sec in total

First Response

3.8 sec

Resources Loaded

11.6 sec

Page Rendered

146 ms

About Website

Visit all.jsyst.cn now to see the best up-to-date All Jsyst content for China and also check out these interesting facts you probably never knew about all.jsyst.cn

驾驶员题网提供2022年全国各省市最新驾驶员考试题,包含全国所有省份地区汽车驾驶模拟考试题,在本站练习可轻松通过机动车驾驶人科目一考试。

Visit all.jsyst.cn

Key Findings

We analyzed All.jsyst.cn page load time and found that the first response time was 3.8 sec and then it took 11.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

all.jsyst.cn performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

all.jsyst.cn

3816 ms

style.css

1373 ms

vipbanner.gif

2334 ms

ico.gif

339 ms

f.js

2308 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 18% of them (3 requests) were addressed to the original All.jsyst.cn, 12% (2 requests) were made to Pos.baidu.com and 12% (2 requests) were made to Dup.baidustatic.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain All.jsyst.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.1 kB (62%)

Content Size

205.4 kB

After Optimization

77.3 kB

In fact, the total size of All.jsyst.cn main page is 205.4 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. Javascripts take 164.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.9 kB

  • Original 27.4 kB
  • After minification 27.4 kB
  • After compression 6.5 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 20.9 kB or 76% of the original size.

JavaScript Optimization

-59%

Potential reduce by 96.5 kB

  • Original 164.7 kB
  • After minification 164.7 kB
  • After compression 68.2 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 96.5 kB or 59% of the original size.

CSS Optimization

-81%

Potential reduce by 10.7 kB

  • Original 13.2 kB
  • After minification 12.1 kB
  • After compression 2.5 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. All.jsyst.cn needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (36%)

Requests Now

14

After Optimization

9

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of All 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 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

all.jsyst.cn accessibility score

81

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.

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

all.jsyst.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

all.jsyst.cn SEO score

73

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 All.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 All.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

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