Tools & Wizards About Us

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

paipai.com

拍拍——京东旗下二手交易平台

Page Load Speed

7.9 sec in total

First Response

629 ms

Resources Loaded

6.5 sec

Page Rendered

781 ms

About Website

Welcome to paipai.com homepage info - get ready to check Paipai best content for China right away, or after learning these important things about paipai.com

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Visit paipai.com

Key Findings

We analyzed Paipai.com page load time and found that the first response time was 629 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

paipai.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

paipai.com

629 ms

paipai.com

847 ms

2.42719d04.chunk.css

210 ms

main.005e5ef9.chunk.css

419 ms

2.dc45e775.chunk.js

1326 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 18% of them (7 requests) were addressed to the original Paipai.com, 72% (28 requests) were made to Img10.360buyimg.com and 3% (1 request) were made to Wl.jd.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Img10.360buyimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 802.4 kB (18%)

Content Size

4.4 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Paipai.com main page is 4.4 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. 35% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 24.8 kB

  • Original 48.8 kB
  • After minification 48.7 kB
  • After compression 24.0 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 24.8 kB or 51% of the original size.

Image Optimization

-19%

Potential reduce by 777.4 kB

  • Original 4.1 MB
  • After minification 3.4 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, Paipai needs image optimization as it can save up to 777.4 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 31 B

  • Original 164.9 kB
  • After minification 164.9 kB
  • After compression 164.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 119 B

  • Original 6.5 kB
  • After minification 6.5 kB
  • After compression 6.3 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. Paipai.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

37

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Paipai. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

paipai.com accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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

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

paipai.com best practices score

83

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

Page has valid source maps

SEO Factors

paipai.com SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Paipai.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 Paipai.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

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