Access jiazhao.com. 驾照网 - 国内专业学车 - 模拟考试 - 教练陪练门户网站

jiazhao.com screenshot

48

Performance

Renders faster than
67% of other websites
45

Accessibility

Visual factors better than
that of 19% of websites
67

Best Practices

More advanced features
available than in
24% of websites
91

SEO

Google-friendlier than
71% of websites

First Response

1.3 sec

Resources Loaded

40.8 sec

Page Rendered

360 ms

jiazhao.com screenshot

About Website

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

驾照网是国内专业学车门户网站，旨在为考驾照的朋友提供找驾校、找教练，找陪练，驾驶证扣分查询等服务，以及科目一模拟考试、科目二、科目三、科目四模拟考试等全方位的知识，让学车生活更美好!

Visit jiazhao.com

Key Findings

We analyzed Jiazhao.com page load time and found that the first response time was 1.3 sec and then it took 41.2 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.

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.7 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

jiazhao.com

1347 ms

www.jiazhao.com

3061 ms

common.css

967 ms

layout.css

214 ms

reset.css

2136 ms

Our browser made a total of 158 requests to load all elements on the main page. We found that 75% of them (118 requests) were addressed to the original Jiazhao.com, 4% (6 requests) were made to Su.bdimg.com and 3% (5 requests) were made to Znsv.baidu.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Jiazhao.com.

Content Size

6.1 MB

After Optimization

5.1 MB

In fact, the total size of Jiazhao.com main page is 6.1 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. 55% of websites need less resources to load. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 183.7 kB

Original 207.3 kB
After minification 124.0 kB
After compression 23.6 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 83.3 kB, which is 40% 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 183.7 kB or 89% of the original size.

Image Optimization

-8%

Potential reduce by 396.1 kB

Original 5.2 MB
After minification 4.8 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. Jiazhao images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 300.6 kB

Original 496.6 kB
After minification 463.8 kB
After compression 196.0 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 300.6 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 134.6 kB

Original 161.2 kB
After minification 144.5 kB
After compression 26.6 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. Jiazhao.com needs all CSS files to be minified and compressed as it can save up to 134.6 kB or 83% of the original size.

Requests Now

121

After Optimization

74

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jiazhao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

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 interpretation of your content by users in different locales.

High

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Jiazhao.com 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 Jiazhao.com 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

jiazhao.com

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