Report Summary

  • 15

    Performance

    Renders faster than
    28% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

bydauto.com.cn

比亚迪汽车官方网站 比亚迪汽车 ─ 新能源汽车领导者

Page Load Speed

25.8 sec in total

First Response

1.7 sec

Resources Loaded

23.9 sec

Page Rendered

203 ms

bydauto.com.cn screenshot

About Website

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

比亚迪汽车,新能源汽车领导者!比亚迪汽车 官方网站,提供最权威比亚迪全系车型介绍及购买服务。包括比亚迪汉、比亚迪宋、 比亚迪唐、比亚迪秦、比亚迪元、比亚迪海豹、比亚迪海豚、比亚迪驱逐舰05、比亚 迪e2、比亚迪汉千山翠、dmi超级混动车型、ev纯电车型、PLUS系列、Dmp系列等,以 及陆续推出的一系列新车。提供官方报价、经销商查询、试驾预约、在线购车、精诚 服务等服务

Visit bydauto.com.cn

Key Findings

We analyzed Bydauto.com.cn page load time and found that the first response time was 1.7 sec and then it took 24.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

bydauto.com.cn performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value37.3 s

0/100

25%

SI (Speed Index)

Value24.8 s

0/100

10%

TBT (Total Blocking Time)

Value9,300 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value55.9 s

0/100

10%

Network Requests Diagram

bydauto.com.cn

1653 ms

www.bydauto.com.cn

4247 ms

style.css

557 ms

main.css

1084 ms

jquery-1.11.3.min.js

3284 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 88% of them (57 requests) were addressed to the original Bydauto.com.cn, 3% (2 requests) were made to Szcert.ebs.org.cn and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (13.2 sec) belongs to the original domain Bydauto.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 560.7 kB (37%)

Content Size

1.5 MB

After Optimization

974.9 kB

In fact, the total size of Bydauto.com.cn main page is 1.5 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 33.6 kB

  • Original 42.8 kB
  • After minification 34.1 kB
  • After compression 9.2 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 8.7 kB, which is 20% 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 33.6 kB or 79% of the original size.

Image Optimization

-18%

Potential reduce by 195.0 kB

  • Original 1.1 MB
  • After minification 881.0 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, Bydauto needs image optimization as it can save up to 195.0 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 59.3 kB

  • Original 90.1 kB
  • After minification 87.0 kB
  • After compression 30.8 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 59.3 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 272.7 kB

  • Original 326.6 kB
  • After minification 317.6 kB
  • After compression 53.9 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. Bydauto.com.cn needs all CSS files to be minified and compressed as it can save up to 272.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (29%)

Requests Now

63

After Optimization

45

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bydauto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bydauto.com.cn accessibility score

71

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

bydauto.com.cn 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bydauto.com.cn SEO score

76

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

High

robots.txt is not valid

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

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 Bydauto.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 Bydauto.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

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