Report Summary

  • 31

    Performance

    Renders faster than
    50% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

qcds.com

有汽车问题,问汽车大师_专业的汽车维修保养服务_正规的新能源汽车维修培训机构

Page Load Speed

25.1 sec in total

First Response

577 ms

Resources Loaded

23.9 sec

Page Rendered

694 ms

About Website

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

汽车有问题,问汽车大师!超18万品牌专业技师提供可靠汽车咨询服务,5分钟响应,已累计为广大车主提供超过2.2亿次问答服务。服务覆盖汽车维修、故障、保险、保养、改装、用车、二手车、新车、新能源车等9大汽车问题。服务品牌涵盖特斯拉、比亚迪、大众、丰田、长安、五菱宏光、吉利、宝马、雷克萨斯、奔驰等上百个燃油车及新能源汽车品牌。

Visit qcds.com

Key Findings

We analyzed Qcds.com page load time and found that the first response time was 577 ms and then it took 24.5 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

qcds.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.544

13/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

qcds.com

577 ms

qcds.com

812 ms

q.qcds.com

476 ms

q.qcds.com

1082 ms

bootstrap.min.css

201 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Qcds.com, 38% (45 requests) were made to Img.qcds.com and 28% (33 requests) were made to Q.qcds.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Img.baichebao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 862.8 kB (16%)

Content Size

5.3 MB

After Optimization

4.4 MB

In fact, the total size of Qcds.com main page is 5.3 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. 40% of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 174.3 kB

  • Original 193.2 kB
  • After minification 161.2 kB
  • After compression 18.9 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 32.0 kB, which is 17% 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 174.3 kB or 90% of the original size.

Image Optimization

-14%

Potential reduce by 686.3 kB

  • Original 5.0 MB
  • After minification 4.3 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. Obviously, Qcds needs image optimization as it can save up to 686.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 1.7 kB

  • Original 53.1 kB
  • After minification 53.0 kB
  • After compression 51.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 393 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.6 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. Qcds.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (5%)

Requests Now

115

After Optimization

109

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qcds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

qcds.com accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

qcds.com best practices score

67

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

qcds.com SEO score

100

Search Engine Optimization Advices

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Qcds.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Qcds.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

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