Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

car17.cn

CAR17汽车资讯网 - DSP调音软件下载 - 汽车内饰修复翻新 - 内饰改色 - DSP调音数据下载

Page Load Speed

7.2 sec in total

First Response

1.4 sec

Resources Loaded

5.3 sec

Page Rendered

486 ms

car17.cn screenshot

About Website

Visit car17.cn now to see the best up-to-date Car 17 content for China and also check out these interesting facts you probably never knew about car17.cn

CAR17汽车后装资讯网为专业的汽车改装平台,提供DSP调音软件下载,DSP调音数据下载,汽车内饰修复,汽车内饰翻新,汽车内饰改色,车道保持,盲区监测,hud改装,高配信息,同时提供最近的调音师为你提供服务,你亦可为你的爱车改装哈曼卡顿音响、bose音响以及柏林之声音响跟宝华违建音响系统。

Visit car17.cn

Key Findings

We analyzed Car17.cn page load time and found that the first response time was 1.4 sec and then it took 5.8 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

car17.cn performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value20.5 s

0/100

10%

TBT (Total Blocking Time)

Value5,220 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.301

39/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

www.car17.cn

1404 ms

style.6.18.1.1669794540.css

710 ms

font-awesome.css

474 ms

style.min.css

735 ms

contact_admin.css

479 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 89% of them (24 requests) were addressed to the original Car17.cn, 7% (2 requests) were made to Hm.baidu.com and 4% (1 request) were made to At.alicdn.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Car17.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.3 kB (49%)

Content Size

687.1 kB

After Optimization

347.7 kB

In fact, the total size of Car17.cn main page is 687.1 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. 40% of websites need less resources to load. Javascripts take 244.8 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 138.4 kB

  • Original 189.2 kB
  • After minification 175.8 kB
  • After compression 50.8 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 138.4 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 12 B

  • Original 17.2 kB
  • After minification 17.2 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. Car 17 images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 76.4 kB

  • Original 244.8 kB
  • After minification 244.8 kB
  • After compression 168.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 76.4 kB or 31% of the original size.

CSS Optimization

-53%

Potential reduce by 124.5 kB

  • Original 235.8 kB
  • After minification 235.6 kB
  • After compression 111.3 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. Car17.cn needs all CSS files to be minified and compressed as it can save up to 124.5 kB or 53% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (73%)

Requests Now

22

After Optimization

6

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Car 17. 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 from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

car17.cn accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

car17.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

car17.cn SEO score

92

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

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 Car17.cn 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 Car17.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 data is detected on the main page of Car 17. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: