Tools & Wizards About Us
rbz.cn screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

rbz.cn

荣宝斋画院

Page Load Speed

10.8 sec in total

First Response

835 ms

Resources Loaded

9.6 sec

Page Rendered

322 ms

rbz.cn screenshot

About Website

Click here to check amazing Rbz content for China. Otherwise, check out these important facts you probably never knew about rbz.cn

荣宝斋画院2015年秋季书画名家工作室招生简章

Visit rbz.cn

Key Findings

We analyzed Rbz.cn page load time and found that the first response time was 835 ms and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rbz.cn performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.304

39/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

rbz.cn

835 ms

style.css

487 ms

jquery-1.4.2.js

986 ms

freeshow.js

491 ms

layui.css

490 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 85% of them (35 requests) were addressed to the original Rbz.cn, 5% (2 requests) were made to Sinaimg.cn and 2% (1 request) were made to N.sinaimg.cn. The less responsive or slowest element that took the longest time to load (7.8 sec) belongs to the original domain Rbz.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.7 kB (5%)

Content Size

4.9 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rbz.cn main page is 4.9 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 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 40.1 kB

  • Original 48.1 kB
  • After minification 38.5 kB
  • After compression 8.0 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 9.5 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 40.1 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 203.7 kB

  • Original 4.7 MB
  • After minification 4.5 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. Rbz images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 21.0 kB

  • Original 110.4 kB
  • After minification 110.4 kB
  • After compression 89.4 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 21.0 kB or 19% of the original size.

CSS Optimization

-5%

Potential reduce by 804 B

  • Original 17.4 kB
  • After minification 17.4 kB
  • After compression 16.6 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. Rbz.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

39

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rbz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rbz.cn

rbz.cn

835 ms

style.css

style.css

487 ms

jquery-1.4.2.js

jquery-1.4.2.js

986 ms

freeshow.js

freeshow.js

491 ms

layui.css

layui.css

490 ms

layui.js

layui.js

492 ms

sea.js

sea.js

637 ms

index.php

index.php

1037 ms

index.php

index.php

1038 ms

jquery.slides.js

jquery.slides.js

975 ms

topbanner.jpg

topbanner.jpg

1706 ms

search.gif

search.gif

245 ms

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20240602081604909.jpg

972 ms

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20240602081736214.jpg

973 ms

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2210 ms

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20240324044238792.jpg

1480 ms

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20230924083342203.jpg

1958 ms

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20160114071431115.jpg

1946 ms

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20160729065813205.jpg

1702 ms

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2205 ms

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20160114071020435.jpg

2670 ms

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20150823091928574.jpg

2430 ms

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20160114071155144.jpg

2678 ms

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2694 ms

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7752 ms

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4165 ms

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4890 ms

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20181128021826319.jpg

3398 ms

20160729101200980.jpg

20160729101200980.jpg

3651 ms

wx_10.jpg

wx_10.jpg

3426 ms

layer.js

layer.js

3853 ms

eladies_cy_0701_iconss.png

eladies_cy_0701_iconss.png

707 ms

base.js

base.js

1059 ms

icon_jt.jpg

icon_jt.jpg

3851 ms

20200608095028812.jpg

20200608095028812.jpg

5517 ms

20170819073137847.jpg

20170819073137847.jpg

5297 ms

$.js

$.js

1060 ms

eladies_cy_0610_point_cur.png

eladies_cy_0610_point_cur.png

652 ms

eladies_cy_0610_point.png

eladies_cy_0610_point.png

472 ms

layer.css

layer.css

764 ms

jquery.js

jquery.js

1509 ms

Accessibility Review

rbz.cn accessibility score

79

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

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

rbz.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rbz.cn SEO score

84

Search Engine Optimization Advices

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Rbz.cn 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 Rbz.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

rbz.cn

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