Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

changan.biz

长安车友会_长安汽车_长安商用车_长安微车_微型面包车_长安之星_长安欧尚_长安逸动_长安凯程_长安汽车论坛

Page Load Speed

7.8 sec in total

First Response

2.1 sec

Resources Loaded

5.3 sec

Page Rendered

364 ms

About Website

Welcome to changan.biz homepage info - get ready to check Changan best content for China right away, or after learning these important things about changan.biz

长安车友会 www.changan.biz是国内唯一独立的长安商用微型面包车友俱乐部,有大量的长安车友,用车及改装面包车经验丰富

Visit changan.biz

Key Findings

We analyzed Changan.biz page load time and found that the first response time was 2.1 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

changan.biz performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value2.5 s

98/100

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

changan.biz

2075 ms

style_1_common.css

281 ms

style_1_forum_index.css

571 ms

common.js

605 ms

forum.js

440 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that all of those requests were addressed to Changan.biz and no external sources were called. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Changan.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 299.2 kB (24%)

Content Size

1.2 MB

After Optimization

949.6 kB

In fact, the total size of Changan.biz main page is 1.2 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. 25% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 78.1 kB

  • Original 100.1 kB
  • After minification 98.1 kB
  • After compression 22.0 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 78.1 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 117.5 kB

  • Original 1.0 MB
  • After minification 882.9 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, Changan needs image optimization as it can save up to 117.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 47.4 kB

  • Original 73.3 kB
  • After minification 68.7 kB
  • After compression 25.9 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 47.4 kB or 65% of the original size.

CSS Optimization

-75%

Potential reduce by 56.2 kB

  • Original 75.1 kB
  • After minification 73.7 kB
  • After compression 18.8 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. Changan.biz needs all CSS files to be minified and compressed as it can save up to 56.2 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (36%)

Requests Now

58

After Optimization

37

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Changan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

changan.biz accessibility score

51

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

changan.biz best practices score

75

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

changan.biz SEO score

92

Search Engine Optimization Advices

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Changan.biz 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 Changan.biz main page’s claimed encoding is gbk. 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 Changan. 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: