Tools & Wizards About Us

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

guzheng.cn

中国古筝网 - 古筝 - 古筝曲 - 古筝谱 - 古筝教学

Page Load Speed

32.3 sec in total

First Response

706 ms

Resources Loaded

31 sec

Page Rendered

668 ms

About Website

Click here to check amazing Guzheng content for Singapore. Otherwise, check out these important facts you probably never knew about guzheng.cn

中国古筝网,古筝行业门户网站，专业古筝电视频道

Visit guzheng.cn

Key Findings

We analyzed Guzheng.cn page load time and found that the first response time was 706 ms and then it took 31.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

guzheng.cn performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value20.7 s

0/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value24.8 s

0/100

10%

Network Requests Diagram

guzheng.cn

706 ms

guzheng.cn

964 ms

www.guzheng.cn

688 ms

www.guzheng.cn

1510 ms

font_336449_4vpb4zrw6juac3di.css

91 ms

Our browser made a total of 238 requests to load all elements on the main page. We found that 2% of them (4 requests) were addressed to the original Guzheng.cn, 95% (225 requests) were made to Oss.guzheng.cn and 1% (2 requests) were made to Webapi.amap.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Hmcdn.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 649.0 kB (8%)

Content Size

8.5 MB

After Optimization

7.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Guzheng.cn main page is 8.5 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. 70% of websites need less resources to load. Images take 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 174.1 kB

  • Original 206.4 kB
  • After minification 171.5 kB
  • After compression 32.3 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 34.9 kB, which is 17% 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 174.1 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 391.1 kB

  • Original 8.1 MB
  • After minification 7.7 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. Guzheng images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 77.4 kB

  • Original 124.9 kB
  • After minification 124.9 kB
  • After compression 47.5 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 77.4 kB or 62% of the original size.

CSS Optimization

-10%

Potential reduce by 6.3 kB

  • Original 65.3 kB
  • After minification 65.3 kB
  • After compression 59.0 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. Guzheng.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (12%)

Requests Now

226

After Optimization

198

  • Images
  • JavaScript
  • CSS

The browser has sent 226 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Guzheng. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

guzheng.cn accessibility score

81

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

guzheng.cn best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

guzheng.cn SEO score

91

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

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 Guzheng.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 Guzheng.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

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