Access xcar.cn. 爱卡汽车-中国主流汽车社区、汽车主题社区、汽车资讯、汽车论坛中心

name

value

score

weighting

FCP (First Contentful Paint)

Value12.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value1,370 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value21.9 s

1/100

10%

xcar.cn

780 ms

www.xcar.com.cn

719 ms

www.xcar.com.cn

1718 ms

sprite2x.css

400 ms

jquery-1.8.3.min.js

402 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Xcar.cn, 33% (43 requests) were made to Img1.xcarimg.com and 13% (17 requests) were made to Xcar.com.cn. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Dx0.xcar.com.cn.

Content Size

31.5 MB

After Optimization

3.5 MB

In fact, the total size of Xcar.cn main page is 31.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 28.3 MB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 2.8 MB

Original 3.0 MB
After minification 2.7 MB
After compression 155.3 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 2.8 MB or 95% of the original size.

Image Optimization

-89%

Potential reduce by 25.1 MB

Original 28.3 MB
After minification 3.2 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, Xcar needs image optimization as it can save up to 25.1 MB or 89% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 50.7 kB

Original 197.8 kB
After minification 197.8 kB
After compression 147.0 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 50.7 kB or 26% of the original size.

CSS Optimization

-27%

Potential reduce by 1.9 kB

Original 6.8 kB
After minification 6.8 kB
After compression 5.0 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. Xcar.cn needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 27% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xcar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Xcar.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 Xcar.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

xcar.cn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

爱卡汽车-中国主流汽车社区、汽车主题社区、汽车资讯、汽车论坛中心

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

xcar.cn

www.xcar.com.cn

www.xcar.com.cn

sprite2x.css

jquery-1.8.3.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

xcar.cn

www.xcar.com.cn

www.xcar.com.cn

sprite2x.css

jquery-1.8.3.min.js

load.min.js

template-web.js

zhuge-pc.js

main-template.full.js

adpc

public_func.js

xlogin_box_utf.js

2.3.js

msg.js

header2019.js

clearCookie.js

delayLoading.min.js

commonCode.js

adpc

main.js

adpc

adpc

adpc

adpc

adpc

adpc

adpc

adpc

adpc

adpc

hm.js

analytics.php

zhuge.js

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proposal.jpg

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