Access by.tuhu.cn. 途虎养车

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value20.4 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.107

88/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

by.tuhu.cn

2458 ms

www.tuhu.cn

13102 ms

global.min.css

2072 ms

nc.css

188 ms

iconfont.css

977 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original By.tuhu.cn, 24% (30 requests) were made to Tuhu.cn and 24% (29 requests) were made to Resource.tuhu.cn. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Api.growingio.com.

Content Size

2.5 MB

After Optimization

1.6 MB

In fact, the total size of By.tuhu.cn main page is 2.5 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. 45% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 127.3 kB

Original 155.6 kB
After minification 124.8 kB
After compression 28.3 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. This page needs HTML code to be minified as it can gain 30.7 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 127.3 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 279.3 kB

Original 1.7 MB
After minification 1.5 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, By Tuhu needs image optimization as it can save up to 279.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 299.2 kB

Original 424.8 kB
After minification 418.5 kB
After compression 125.7 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 299.2 kB or 70% of the original size.

CSS Optimization

-80%

Potential reduce by 115.3 kB

Original 144.8 kB
After minification 143.8 kB
After compression 29.5 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. By.tuhu.cn needs all CSS files to be minified and compressed as it can save up to 115.3 kB or 80% of the original size.

Requests Now

110

After Optimization

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of By Tuhu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS 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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise By.tuhu.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that By.tuhu.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

by.tuhu.cn

Open Graph description is not detected on the main page of By Tuhu. 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

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

by.tuhu.cn

www.tuhu.cn

global.min.css

nc.css

iconfont.css

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

by.tuhu.cn

www.tuhu.cn

global.min.css

nc.css

iconfont.css

index.min.css

chuanjie_head.min.css

nc.js

vds.js

6B8671308099755320C32998143E4921.png

icon_new.png

tuhu_logo.png

index_icon.png

appIcon.gif

v2_pics_list.png

index_icon.png

pro_search_sample.png

tuhuApp.png

front_next.png

luntai.png

3E1646A5ABB956DDFF56D70503B8F7A8.jpg

9C27A3442E8261C66C42183F6272DEB5.jpg

9CD4386925B5D1C65B2DFE72CBED0969.png

2F697E46873600B952A156237413AB1F.png

7A3E1D95726E1861AFAFFEAD929B8F2D.png

89D53C457ADD8BDA9B7A1A3D5286E5B8.png

5F3E36B6F1E10C7E56949CFE9713D630.png

loading-712.gif

pv

iconfont.woff

A57702102D64ED4EA12BCA976E721A36.png

EF06CEBD2D52339899157ABE34CA34C4.png

8481A822F05FA2FAD5F25D00AD623875.png

0E28A9D23152FCD288D2DC6BEDCF98D2.png

sai.png

hu_map.png

tuhu.public.min.js

tuhu.index.min.js

jquery.lazyload.js

timeCountDown.js

welcome.aspx

cn_icp.gif

shgs.gif

jquery-2.1.0.min.js