Tools & Wizards About Us
polypm.com.cn screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

polypm.com.cn

北京保利国际拍卖有限公司

Page Load Speed

6.9 sec in total

First Response

650 ms

Resources Loaded

6.2 sec

Page Rendered

133 ms

polypm.com.cn screenshot

About Website

Click here to check amazing Polypm content for United States. Otherwise, check out these important facts you probably never knew about polypm.com.cn

北京保利国际拍卖有限公司 地址：北京市东城区朝阳门北大街1号新保利大厦三层 邮编：100010 Tel：+86（0）10-64083188 Fax：+86（0）10-64083186

Visit polypm.com.cn

Key Findings

We analyzed Polypm.com.cn page load time and found that the first response time was 650 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

polypm.com.cn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

polypm.com.cn

650 ms

polypm.com.cn

996 ms

css.css

427 ms

jquery.js

855 ms

sensorsdata.min.js

2091 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 64% of them (16 requests) were addressed to the original Polypm.com.cn, 12% (3 requests) were made to Img-poly.artron.net and 8% (2 requests) were made to Pubunder.artron.net. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Img-poly.artron.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.0 kB (16%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Polypm.com.cn main page is 1.5 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. 20% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 9.4 kB

  • Original 12.4 kB
  • After minification 8.4 kB
  • After compression 3.0 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. This page needs HTML code to be minified as it can gain 4.0 kB, which is 33% 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 9.4 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 30.8 kB

  • Original 1.2 MB
  • After minification 1.2 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. Polypm images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 180.9 kB

  • Original 261.1 kB
  • After minification 257.6 kB
  • After compression 80.2 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 180.9 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 25.9 kB

  • Original 30.2 kB
  • After minification 25.6 kB
  • After compression 4.3 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. Polypm.com.cn needs all CSS files to be minified and compressed as it can save up to 25.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (18%)

Requests Now

22

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Polypm. 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

polypm.com.cn

polypm.com.cn

650 ms

polypm.com.cn

polypm.com.cn

996 ms

css.css

css.css

427 ms

jquery.js

jquery.js

855 ms

sensorsdata.min.js

sensorsdata.min.js

2091 ms

index.js

index.js

832 ms

check.php

check.php

1131 ms

jweixin-1.0.0.js

jweixin-1.0.0.js

234 ms

nav_bg_r.jpg

nav_bg_r.jpg

215 ms

logo.png

logo.png

229 ms

search.jpg

search.jpg

206 ms

nav.png

nav.png

820 ms

gongan.png

gongan.png

422 ms

erweima.jpg

erweima.jpg

455 ms

erweima_1.jpg

erweima_1.jpg

848 ms

erweima_2.jpg

erweima_2.jpg

682 ms

578d55bc6bd6df5d1a4a060b34cf71cf.jpg

578d55bc6bd6df5d1a4a060b34cf71cf.jpg

2330 ms

f05638833db683dc202a4336ad055709.jpg

f05638833db683dc202a4336ad055709.jpg

2336 ms

ce674791e995b96f62fc0d82b529ff9a.jpg

ce674791e995b96f62fc0d82b529ff9a.jpg

2405 ms

bg_burr.png

bg_burr.png

855 ms

1920curr.png

1920curr.png

1075 ms

weixin.min.js

weixin.min.js

208 ms

sa.gif

sa.gif

1059 ms

nav.ttf

nav.ttf

826 ms

sa.gif

sa.gif

1057 ms

Accessibility Review

polypm.com.cn accessibility score

78

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

polypm.com.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

polypm.com.cn SEO score

77

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Polypm.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Polypm.com.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

polypm.com.cn

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