Tools & Wizards About Us
usercenteradmind19bfe4ny.gucn.com screenshot

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 38

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

usercenteradmind19bfe4ny.gucn.com

中华古玩网 - 古董收藏、古玩收藏、古玩鉴定、古玩专场、古玩论坛、古玩交易、古玩鉴赏、鉴宝、古董鉴定、古董专场的平台、华夏收藏、盛世收藏

Page Load Speed

21.3 sec in total

First Response

2.2 sec

Resources Loaded

18.4 sec

Page Rendered

717 ms

usercenteradmind19bfe4ny.gucn.com screenshot

About Website

Visit usercenteradmind19bfe4ny.gucn.com now to see the best up-to-date Usercenteradmind 19 Bfe 4 Ny Gucn content for China and also check out these interesting facts you probably never knew about usercenteradmind19bfe4ny.gucn.com

中华古玩网是专门为全球收藏爱好者提供的一个集合交易，专场，鉴定为一体的互通平台，主要提供古玩知识，古玩资讯，古玩专场，古玩交易，古玩鉴定等和收藏艺术品相关的内容。我们力求打造中国古玩行业信息收集量最大最全面的古玩行业门户网站以及最优秀最诚信的古玩交易平台。

Visit usercenteradmind19bfe4ny.gucn.com

Key Findings

We analyzed Usercenteradmind19bfe4ny.gucn.com page load time and found that the first response time was 2.2 sec and then it took 19.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

usercenteradmind19bfe4ny.gucn.com performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

usercenteradmind19bfe4ny.gucn.com

2191 ms

www.gucn.com

3353 ms

jquery.js

2403 ms

IM.js

2748 ms

Base.Js

1378 ms

Our browser made a total of 135 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Usercenteradmind19bfe4ny.gucn.com, 47% (63 requests) were made to Gucn.com and 18% (24 requests) were made to File.gucn.com. The less responsive or slowest element that took the longest time to load (9.3 sec) relates to the external source Si.trustutn.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (47%)

Content Size

2.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Usercenteradmind19bfe4ny.gucn.com main page is 2.4 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 793.3 kB

  • Original 864.9 kB
  • After minification 463.1 kB
  • After compression 71.6 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 401.8 kB, which is 46% 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 793.3 kB or 92% of the original size.

Image Optimization

-8%

Potential reduce by 95.0 kB

  • Original 1.2 MB
  • After minification 1.1 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. Usercenteradmind 19 Bfe 4 Ny Gucn images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 186.8 kB

  • Original 306.9 kB
  • After minification 253.6 kB
  • After compression 120.2 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 186.8 kB or 61% of the original size.

CSS Optimization

-84%

Potential reduce by 70.0 kB

  • Original 83.6 kB
  • After minification 69.9 kB
  • After compression 13.7 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. Usercenteradmind19bfe4ny.gucn.com needs all CSS files to be minified and compressed as it can save up to 70.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (38%)

Requests Now

132

After Optimization

82

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 132 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usercenteradmind 19 Bfe 4 Ny Gucn. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

usercenteradmind19bfe4ny.gucn.com

usercenteradmind19bfe4ny.gucn.com

2191 ms

www.gucn.com

www.gucn.com

3353 ms

jquery.js

jquery.js

2403 ms

IM.js

IM.js

2748 ms

Base.Js

Base.Js

1378 ms

dv_ajax_index_new21.js

dv_ajax_index_new21.js

1387 ms

newBase.css

newBase.css

1389 ms

newsHome2.2.css

newsHome2.2.css

1866 ms

jquery.slideshow.js

jquery.slideshow.js

1864 ms

newShop.js

newShop.js

1874 ms

newHomeNav.js

newHomeNav.js

1887 ms

jquery.lazyload.js

jquery.lazyload.js

2352 ms

wpa.php

wpa.php

559 ms

fun.js

fun.js

912 ms

jmessagebox.js

jmessagebox.js

1421 ms

jquery.scrollshow.js

jquery.scrollshow.js

976 ms

messagebox.css

messagebox.css

912 ms

common.css

common.css

914 ms

toolbar.css

toolbar.css

536 ms

toolbar.js

toolbar.js

537 ms

c.php

c.php

1623 ms

cert.js

cert.js

6289 ms

certShow

certShow

9306 ms

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2176 ms

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4446 ms

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985 ms

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483 ms

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497 ms

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1958 ms

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542 ms

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959 ms

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971 ms

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4428 ms

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4430 ms

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4433 ms

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4427 ms

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4436 ms

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4667 ms

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4670 ms

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4669 ms

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4671 ms

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4674 ms

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4685 ms

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4909 ms

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4912 ms

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4913 ms

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4915 ms

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4953 ms

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4935 ms

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2980 ms

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1502 ms

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1924 ms

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1420 ms

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1426 ms

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1921 ms

logo.png

logo.png

1929 ms

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1975 ms

Search.gif

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2391 ms

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Search_btn.gif

2402 ms

categorys_item_name_icon.gif

categorys_item_name_icon.gif

2348 ms

categorys_item_bdRight_line.gif

categorys_item_bdRight_line.gif

2355 ms

headNav_sec.gif

headNav_sec.gif

2401 ms

Panel.js

Panel.js

755 ms

localStorage.js

localStorage.js

1210 ms

AjaxCheckLogin_New21.asp

AjaxCheckLogin_New21.asp

2821 ms

reset.css

reset.css

454 ms

homeSpring.gif

homeSpring.gif

2298 ms

notLine.gif

notLine.gif

2299 ms

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2306 ms

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2352 ms

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2779 ms

centerBg.gif

centerBg.gif

2791 ms

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2791 ms

orderImgList.gif

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3784 ms

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2835 ms

refined.gif

refined.gif

2843 ms

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3325 ms

end_title.gif

end_title.gif

3332 ms

1.gif

1.gif

3757 ms

2.gif

2.gif

3769 ms

3.gif

3.gif

3768 ms

api.php

api.php

3183 ms

contains.js

contains.js

675 ms

top1.gif

top1.gif

3509 ms

top2.gif

top2.gif

3509 ms

top3.gif

top3.gif

3930 ms

stat.htm

stat.htm

246 ms

core.php

core.php

1062 ms

toolbarIcon.jpg

toolbarIcon.jpg

3461 ms

phoneIme.jpg

phoneIme.jpg

3461 ms

footRLine.jpg

footRLine.jpg

3410 ms

r.cgi

r.cgi

3888 ms

r.cgi

r.cgi

3889 ms

ta.php

ta.php

540 ms

crmqq.php

crmqq.php

5057 ms

wpa_first_heart_beat.php

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560 ms

f1.gif

f1.gif

3018 ms

iconWhite.gif

iconWhite.gif

3012 ms

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3432 ms

shiming_bottomimagelarge.jsp

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1821 ms

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633 ms

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467 ms

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718 ms

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600 ms

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470 ms

bottom_large_img.png

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671 ms

z_stat.php

z_stat.php

1473 ms

stat.htm

stat.htm

158 ms

core.php

core.php

280 ms

Accessibility Review

usercenteradmind19bfe4ny.gucn.com accessibility score

38

Accessibility Issues

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

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

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

usercenteradmind19bfe4ny.gucn.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

usercenteradmind19bfe4ny.gucn.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usercenteradmind19bfe4ny.gucn.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 Usercenteradmind19bfe4ny.gucn.com main page’s claimed encoding is gb2312. 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

usercenteradmind19bfe4ny.gucn.com

Open Graph description is not detected on the main page of Usercenteradmind 19 Bfe 4 Ny Gucn. 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: