Tools & Wizards About Us
app.yiche.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

app.yiche.com

【移动应用|汽车应用_手机应用_汽车手机App】-易车

Page Load Speed

31 sec in total

First Response

2.3 sec

Resources Loaded

28.4 sec

Page Rendered

272 ms

app.yiche.com screenshot

About Website

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

移动应用平台为您提供全方位汽车应用，汽车报价大全,易车App,淘车二手车等相关汽车应用更多汽车应用，敬请关注移动应用平台.

Visit app.yiche.com

Key Findings

We analyzed App.yiche.com page load time and found that the first response time was 2.3 sec and then it took 28.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

app.yiche.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

app.yiche.com

2300 ms

m_yidongyingyong-20160408103516-542.css

4131 ms

c.js

4939 ms

jq.js

2812 ms

indexjs.js

2427 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original App.yiche.com, 30% (13 requests) were made to Img2.bitautoimg.com and 26% (11 requests) were made to Img1.bitautoimg.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Img2.bitautoimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 258.3 kB (30%)

Content Size

850.3 kB

After Optimization

592.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of App.yiche.com main page is 850.3 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. 20% of websites need less resources to load. Images take 562.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 19.1 kB

  • Original 25.1 kB
  • After minification 22.5 kB
  • After compression 6.1 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 2.7 kB, which is 11% 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 19.1 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 38.1 kB

  • Original 562.5 kB
  • After minification 524.4 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. App Yiche images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 126.1 kB

  • Original 174.3 kB
  • After minification 148.2 kB
  • After compression 48.2 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 126.1 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 75.1 kB

  • Original 88.4 kB
  • After minification 88.4 kB
  • After compression 13.3 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. App.yiche.com needs all CSS files to be minified and compressed as it can save up to 75.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (38%)

Requests Now

39

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of App Yiche. 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.

Network Requests Diagram

app.yiche.com

app.yiche.com

2300 ms

m_yidongyingyong-20160408103516-542.css

m_yidongyingyong-20160408103516-542.css

4131 ms

c.js

c.js

4939 ms

jq.js

jq.js

2812 ms

indexjs.js

indexjs.js

2427 ms

g.yccdn.com

g.yccdn.com

5250 ms

senseNew.js

senseNew.js

3952 ms

bglog.bitauto.com

bglog.bitauto.com

3103 ms

gotoIM.js

gotoIM.js

1859 ms

CitySelectModule.js

CitySelectModule.js

1875 ms

dcs_tag.js

dcs_tag.js

20177 ms

login_bg3.png

login_bg3.png

388 ms

home_img3.png

home_img3.png

1075 ms

chezhu.png

chezhu.png

3396 ms

qczd_103.png

qczd_103.png

1727 ms

yidong_bg.png

yidong_bg.png

3619 ms

qr_qch.png

qr_qch.png

2070 ms

home_img2.png

home_img2.png

20376 ms

home_img_hui.png

home_img_hui.png

1613 ms

home_img4.png

home_img4.png

2175 ms

bj_ewm_img.jpg

bj_ewm_img.jpg

676 ms

home_img1.png

home_img1.png

387 ms

cheguwen_m.png

cheguwen_m.png

658 ms

yczz_103.png

yczz_103.png

1419 ms

yicheshipinshequ.png

yicheshipinshequ.png

720 ms

bjdq_top_img.jpg

bjdq_top_img.jpg

8127 ms

header_bg.png

header_bg.png

1980 ms

logo.png

logo.png

1664 ms

menu_more.png

menu_more.png

2060 ms

home_jpg4.jpg

home_jpg4.jpg

19571 ms

hover_a_b.png

hover_a_b.png

12639 ms

home_link_bg.png

home_link_bg.png

2465 ms

sy_btn_bg.png

sy_btn_bg.png

383 ms

oldcar_banner.jpg

oldcar_banner.jpg

3211 ms

ewm.png

ewm.png

411 ms

oldcar_an_down.png

oldcar_an_down.png

341 ms

oldcar_ip_down.png

oldcar_ip_down.png

363 ms

locate.ashx

locate.ashx

1127 ms

x.gif

x.gif

695 ms

locate.ashx

locate.ashx

1996 ms

home_focus_li.png

home_focus_li.png

437 ms

bglog.gif

bglog.gif

1906 ms

current_bj.png

current_bj.png

291 ms

Accessibility Review

app.yiche.com accessibility score

83

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

Links do not have a discernible name

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

app.yiche.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

app.yiche.com SEO score

81

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

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 App.yiche.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 App.yiche.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

app.yiche.com

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