Report Summary

  • 24

    Performance

    Renders faster than
    44% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

tnc.org.cn

首页_大自然保护协会

Page Load Speed

107.3 sec in total

First Response

8.5 sec

Resources Loaded

98.6 sec

Page Rendered

216 ms

tnc.org.cn screenshot

About Website

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

大自然保护协会

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Key Findings

We analyzed Tnc.org.cn page load time and found that the first response time was 8.5 sec and then it took 98.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 56 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tnc.org.cn performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

tnc.org.cn

8497 ms

public.css

795 ms

sytle.css

3208 ms

jquery-1.7.1.min.js

14404 ms

plugin.js

19926 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 98% of them (169 requests) were addressed to the original Tnc.org.cn, 1% (2 requests) were made to Hm.baidu.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Tnc.org.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 193.5 kB (59%)

Content Size

325.2 kB

After Optimization

131.7 kB

In fact, the total size of Tnc.org.cn main page is 325.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. HTML takes 152.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 125.7 kB

  • Original 152.3 kB
  • After minification 98.5 kB
  • After compression 26.6 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 53.7 kB, which is 35% 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 125.7 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 7.7 kB

  • Original 77.4 kB
  • After minification 69.7 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. Tnc images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 11.1 kB

  • Original 37.2 kB
  • After minification 37.0 kB
  • After compression 26.0 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 11.1 kB or 30% of the original size.

CSS Optimization

-84%

Potential reduce by 49.0 kB

  • Original 58.5 kB
  • After minification 50.3 kB
  • After compression 9.4 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. Tnc.org.cn needs all CSS files to be minified and compressed as it can save up to 49.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (3%)

Requests Now

116

After Optimization

112

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tnc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tnc.org.cn accessibility score

48

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

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

tnc.org.cn best practices score

67

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

SEO Factors

tnc.org.cn SEO score

81

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

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 Tnc.org.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 Tnc.org.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 Tnc. 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: