Tools & Wizards About Us
buy400.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 54

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

buy400.com

Page Load Speed

52.6 sec in total

First Response

5.3 sec

Resources Loaded

47.1 sec

Page Rendered

193 ms

buy400.com screenshot

About Website

Visit buy400.com now to see the best up-to-date Buy 400 content and also check out these interesting facts you probably never knew about buy400.com

败家讲坛(buy400.com)让您网上购物省钱，通过败家讲坛的购物返利通道进入400家合作网上商城，可以获得最高30%的现金返还

Visit buy400.com

Key Findings

We analyzed Buy400.com page load time and found that the first response time was 5.3 sec and then it took 47.3 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.

Performance Metrics

buy400.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value20.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,950 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value52.7 s

0/100

10%

Network Requests Diagram

buy400.com

5338 ms

www.buy400.com

9232 ms

base.css

7138 ms

base.js

18342 ms

global.js

7485 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 91% of them (74 requests) were addressed to the original Buy400.com, 2% (2 requests) were made to File.chanet.com.cn and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (18.3 sec) belongs to the original domain Buy400.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.3 kB (43%)

Content Size

271.4 kB

After Optimization

154.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Buy400.com main page is 271.4 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. 25% of websites need less resources to load. Images take 148.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 21.2 kB

  • Original 28.3 kB
  • After minification 27.5 kB
  • After compression 7.1 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. 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 21.2 kB or 75% of the original size.

Image Optimization

-16%

Potential reduce by 24.2 kB

  • Original 148.6 kB
  • After minification 124.4 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. Obviously, Buy 400 needs image optimization as it can save up to 24.2 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

-68%

Potential reduce by 28.4 kB

  • Original 41.7 kB
  • After minification 38.5 kB
  • After compression 13.3 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 28.4 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 43.5 kB

  • Original 52.8 kB
  • After minification 43.8 kB
  • After compression 9.4 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. Buy400.com needs all CSS files to be minified and compressed as it can save up to 43.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (31%)

Requests Now

78

After Optimization

54

  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buy 400. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

buy400.com

buy400.com

5338 ms

www.buy400.com

www.buy400.com

9232 ms

base.css

base.css

7138 ms

base.js

base.js

18342 ms

global.js

global.js

7485 ms

sdk.js

sdk.js

1747 ms

jsforproducts.js

jsforproducts.js

2380 ms

tabs.css

tabs.css

655 ms

slider.css

slider.css

592 ms

connect.6.1

connect.6.1

650 ms

Connect_logo_1.png

Connect_logo_1.png

640 ms

image.cgi

image.cgi

1302 ms

LOGO_16x16.png

LOGO_16x16.png

496 ms

alipay.png

alipay.png

895 ms

top_icon.png

top_icon.png

912 ms

logo.gif

logo.gif

1502 ms

search1.gif

search1.gif

1186 ms

menu.gif

menu.gif

3131 ms

sline.gif

sline.gif

1424 ms

openbtn.gif

openbtn.gif

1435 ms

bg-3w.gif

bg-3w.gif

1725 ms

bg-what.gif

bg-what.gif

3692 ms

img-what.gif

img-what.gif

1933 ms

bg-why.gif

bg-why.gif

1957 ms

img-why.gif

img-why.gif

1992 ms

img-how.gif

img-how.gif

4607 ms

closebtn.gif

closebtn.gif

2407 ms

1426723503.jpeg

1426723503.jpeg

3851 ms

1426723050.jpeg

1426723050.jpeg

7670 ms

1426515630.jpeg

1426515630.jpeg

4896 ms

1396425991.jpeg

1396425991.jpeg

16776 ms

1396425662.jpeg

1396425662.jpeg

9027 ms

1396424475.jpeg

1396424475.jpeg

11709 ms

buy400sy290.gif

buy400sy290.gif

8726 ms

focus1.gif

focus1.gif

5263 ms

focus2.gif

focus2.gif

5678 ms

bg-noticehead.gif

bg-noticehead.gif

6152 ms

bg-noticebody.gif

bg-noticebody.gif

6546 ms

lineH.gif

lineH.gif

6925 ms

bg-noticefoot.gif

bg-noticefoot.gif

7309 ms

searchtext.gif

searchtext.gif

7724 ms

search-p.gif

search-p.gif

8150 ms

content-footer.gif

content-footer.gif

8152 ms

content-header.gif

content-header.gif

8642 ms

bg-content.gif

bg-content.gif

8545 ms

sidebar-active.gif

sidebar-active.gif

8934 ms

sidebar-current.gif

sidebar-current.gif

9131 ms

h.js

h.js

2181 ms

1287492827.gif

1287492827.gif

8759 ms

1350566339.jpeg

1350566339.jpeg

9204 ms

1426398969.gif

1426398969.gif

13747 ms

1320246852.gif

1320246852.gif

9297 ms

1287741365.gif

1287741365.gif

8562 ms

250201.jpg

250201.jpg

4893 ms

1287588582.jpeg

1287588582.jpeg

14133 ms

1297429558.jpeg

1297429558.jpeg

10661 ms

1318863063.jpeg

1318863063.jpeg

10663 ms

1310175329.jpeg

1310175329.jpeg

10989 ms

1287675593.jpeg

1287675593.jpeg

13947 ms

1287025413.jpeg

1287025413.jpeg

10696 ms

1288102974.jpeg

1288102974.jpeg

13899 ms

21.gif

21.gif

1068 ms

hm.gif

hm.gif

391 ms

1287060864.jpeg

1287060864.jpeg

12903 ms

1297521202.jpeg

1297521202.jpeg

13949 ms

1286938114.jpeg

1286938114.jpeg

12134 ms

1320246606.gif

1320246606.gif

12258 ms

1286884690.jpeg

1286884690.jpeg

12216 ms

1287319770.jpeg

1287319770.jpeg

13793 ms

1312026378.jpeg

1312026378.jpeg

11603 ms

1320248961.jpeg

1320248961.jpeg

13324 ms

bg-userinfo.gif

bg-userinfo.gif

11081 ms

video_help1.gif

video_help1.gif

13999 ms

bg-footer.gif

bg-footer.gif

10459 ms

sbz.gif

sbz.gif

13186 ms

thickBoxLoading.gif

thickBoxLoading.gif

10537 ms

loginh.gif

loginh.gif

10178 ms

bg-login.gif

bg-login.gif

10246 ms

bg-login-content.gif

bg-login-content.gif

10496 ms

bg-btn.gif

bg-btn.gif

10341 ms

search-p2.gif

search-p2.gif

10461 ms

Accessibility Review

buy400.com accessibility score

89

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

Best Practices

buy400.com best practices score

54

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

General

Impact

Issue

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

buy400.com SEO score

67

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buy400.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 Buy400.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

buy400.com

Open Graph description is not detected on the main page of Buy 400. 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: