Tools & Wizards About Us
zhbc.com.cn screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 34

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 54

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

zhbc.com.cn

中华书局

Page Load Speed

23.4 sec in total

First Response

10.1 sec

Resources Loaded

13.1 sec

Page Rendered

100 ms

zhbc.com.cn screenshot

About Website

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

中华书局，全名为中华书局股份有限公司，是中国一家集编辑、印刷、出版、发行于一体的出版机构，于1912年1月1日由陆费逵筹资创办于上海。创立之初，以出版中小学教科书为主，并印行古籍、各类科学、文艺著作和工具书等。

Visit zhbc.com.cn

Key Findings

We analyzed Zhbc.com.cn page load time and found that the first response time was 10.1 sec and then it took 13.2 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

zhbc.com.cn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value30.6 s

0/100

25%

SI (Speed Index)

Value14.3 s

2/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value25.3 s

1/100

10%

Network Requests Diagram

zhbc.com.cn

10145 ms

tomcat.css

1957 ms

tomcat.png

1876 ms

bg-nav.png

1317 ms

asf-logo.png

2869 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that all of those requests were addressed to Zhbc.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (10.1 sec) belongs to the original domain Zhbc.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.9 kB (40%)

Content Size

47.1 kB

After Optimization

28.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Zhbc.com.cn main page is 47.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 30.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 9.3 kB

  • Original 11.2 kB
  • After minification 7.2 kB
  • After compression 1.9 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 36% 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 9.3 kB or 83% of the original size.

Image Optimization

-16%

Potential reduce by 4.9 kB

  • Original 30.0 kB
  • After minification 25.2 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, Zhbc needs image optimization as it can save up to 4.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-81%

Potential reduce by 4.8 kB

  • Original 5.9 kB
  • After minification 3.6 kB
  • After compression 1.1 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. Zhbc.com.cn needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhbc. According to our analytics all requests are already optimized.

Network Requests Diagram

zhbc.com.cn

zhbc.com.cn

10145 ms

tomcat.css

tomcat.css

1957 ms

tomcat.png

tomcat.png

1876 ms

bg-nav.png

bg-nav.png

1317 ms

asf-logo.png

asf-logo.png

2869 ms

bg-upper.png

bg-upper.png

310 ms

bg-button.png

bg-button.png

1293 ms

bg-middle.png

bg-middle.png

638 ms

Accessibility Review

zhbc.com.cn accessibility score

34

Accessibility Issues

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

Form elements do not have associated labels

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

zhbc.com.cn 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

High

Serves images with low resolution

General

Impact

Issue

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

zhbc.com.cn SEO score

75

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 uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhbc.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 Zhbc.com.cn main page’s claimed encoding is iso-8859-1. 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

zhbc.com.cn

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