Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

changyudongtian.com

长屿硐天风景区-长屿硐天官方网站 英文网

Page Load Speed

9.2 sec in total

First Response

1.6 sec

Resources Loaded

7.4 sec

Page Rendered

160 ms

changyudongtian.com screenshot

About Website

Click here to check amazing Changyudongtian content. Otherwise, check out these important facts you probably never knew about changyudongtian.com

长屿硐天风景区-长屿硐天官方网站 英文网

Visit changyudongtian.com

Key Findings

We analyzed Changyudongtian.com page load time and found that the first response time was 1.6 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

changyudongtian.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value610 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

changyudongtian.com

1633 ms

AC_RunActiveContent.js

551 ms

z_stat.php

2627 ms

stat.htm

1457 ms

core.php

923 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 29% of them (2 requests) were addressed to the original Changyudongtian.com, 14% (1 request) were made to S11.cnzz.com and 14% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source S11.cnzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 524.2 kB (61%)

Content Size

861.7 kB

After Optimization

337.4 kB

In fact, the total size of Changyudongtian.com main page is 861.7 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. Javascripts take 473.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 49.4 kB

  • Original 60.0 kB
  • After minification 47.2 kB
  • After compression 10.5 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 12.8 kB, which is 21% 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 49.4 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 28.4 kB

  • Original 261.3 kB
  • After minification 232.8 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, Changyudongtian needs image optimization as it can save up to 28.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-82%

Potential reduce by 389.3 kB

  • Original 473.1 kB
  • After minification 290.8 kB
  • After compression 83.9 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 389.3 kB or 82% of the original size.

CSS Optimization

-85%

Potential reduce by 57.1 kB

  • Original 67.3 kB
  • After minification 64.8 kB
  • After compression 10.2 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. Changyudongtian.com needs all CSS files to be minified and compressed as it can save up to 57.1 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Changyudongtian. According to our analytics all requests are already optimized.

Accessibility Review

changyudongtian.com accessibility score

51

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

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

changyudongtian.com 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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

changyudongtian.com SEO score

83

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Changyudongtian.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 Changyudongtian.com 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 Changyudongtian. 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: