Tools & Wizards About Us
tnc.org.cn screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

tnc.org.cn

首页_大自然保护协会（TNC)

Page Load Speed

16.9 sec in total

First Response

735 ms

Resources Loaded

15.5 sec

Page Rendered

696 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

守护自然 尊爱生命 大自然保护协会（TNC, The Nature Conservancy）成立于1951年，是国际上最大的非营利性的自然环境保护组织之一。一直致力于在全球保护具有重要生态价值的陆地和水域，维护自然环境、提升人类福祉。

Visit tnc.org.cn

Key Findings

We analyzed Tnc.org.cn page load time and found that the first response time was 735 ms and then it took 16.2 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.

Performance Metrics

tnc.org.cn performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value24.6 s

0/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

tnc.org.cn

735 ms

tnc.org.cn

912 ms

animate.min.css

249 ms

common.css

478 ms

jquery.js

1194 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 96% of them (47 requests) were addressed to the original Tnc.org.cn, 4% (2 requests) were made to At.alicdn.com. The less responsive or slowest element that took the longest time to load (12.2 sec) belongs to the original domain Tnc.org.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.6 kB (11%)

Content Size

1.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tnc.org.cn main page is 1.7 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. 40% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 37.2 kB

  • Original 44.2 kB
  • After minification 28.6 kB
  • After compression 6.9 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 15.5 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 37.2 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 106.2 kB

  • Original 1.5 MB
  • After minification 1.4 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. TNC images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 38.1 kB

  • Original 143.8 kB
  • After minification 143.6 kB
  • After compression 105.7 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 38.1 kB or 27% of the original size.

CSS Optimization

-47%

Potential reduce by 17.0 kB

  • Original 36.1 kB
  • After minification 33.2 kB
  • After compression 19.1 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. Tnc.org.cn needs all CSS files to be minified and compressed as it can save up to 17.0 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (46%)

Requests Now

46

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 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 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tnc.org.cn

tnc.org.cn

735 ms

tnc.org.cn

tnc.org.cn

912 ms

animate.min.css

animate.min.css

249 ms

common.css

common.css

478 ms

jquery.js

jquery.js

1194 ms

common.js

common.js

894 ms

ratio-img.js

ratio-img.js

895 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

911 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

911 ms

swiper-3.4.2.min.css

swiper-3.4.2.min.css

909 ms

swiper-3.4.2.jquery.min.js

swiper-3.4.2.jquery.min.js

1355 ms

swiper.animate1.0.3.min.js

swiper.animate1.0.3.min.js

1116 ms

wow.min.js

wow.min.js

1135 ms

share.js

share.js

1135 ms

font_2901572_h16yevaarcl.css

font_2901572_h16yevaarcl.css

18 ms

zh_CN.js

zh_CN.js

1134 ms

layer.js

layer.js

1340 ms

TDES.js

TDES.js

1361 ms

AjaxHandler_DZRBHXH.js

AjaxHandler_DZRBHXH.js

1375 ms

Validate.js

Validate.js

1360 ms

index.css

index.css

1412 ms

index.js

index.js

1561 ms

Default.js

Default.js

1572 ms

layer.css

layer.css

229 ms

20220209105308_5346.png

20220209105308_5346.png

671 ms

20220209105316_2736.png

20220209105316_2736.png

2416 ms

hr_img.jpg

hr_img.jpg

450 ms

20240607161725_6435_1920x904.jpg

20240607161725_6435_1920x904.jpg

3750 ms

20240605172800_1704_2736x1288.jpg

20240605172800_1704_2736x1288.jpg

12210 ms

20230901141059_3462_2999x1412.jpg

20230901141059_3462_2999x1412.jpg

2625 ms

20231108153815_1378_2999x1821_2998x1409.jpg

20231108153815_1378_2999x1821_2998x1409.jpg

9036 ms

20220615152906_9981.jpg

20220615152906_9981.jpg

3042 ms

20220707163023_7581.jpg

20220707163023_7581.jpg

3315 ms

index_03.jpg

index_03.jpg

2845 ms

20230215113806_5213_1971x830.jpg

20230215113806_5213_1971x830.jpg

5402 ms

index_05.jpg

index_05.jpg

3263 ms

20230807094405_5309_2796x1689_2787x1689_2774x1689_2536x1689.jpg

20230807094405_5309_2796x1689_2787x1689_2774x1689_2536x1689.jpg

6347 ms

20230131113344_2240.jpg

20230131113344_2240.jpg

7025 ms

20220706115917_3479_2000x1330.jpg

20220706115917_3479_2000x1330.jpg

10582 ms

20220706125504_3612_2019x843.jpg

20220706125504_3612_2019x843.jpg

6496 ms

wx.png

wx.png

6567 ms

wb.png

wb.png

6715 ms

tt.png

tt.png

6788 ms

20220209152828_8196.png

20220209152828_8196.png

9777 ms

font_2901572_h16yevaarcl.woff

font_2901572_h16yevaarcl.woff

574 ms

Default.aspx

Default.aspx

7852 ms

AjaxHandler_DZRBHXH.ashx

AjaxHandler_DZRBHXH.ashx

628 ms

loading-2.gif

loading-2.gif

222 ms

AjaxHandler.ashx

AjaxHandler.ashx

498 ms

Accessibility Review

tnc.org.cn accessibility score

58

Accessibility Issues

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

Buttons do not have an accessible name

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

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

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tnc.org.cn SEO score

76

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

tnc.org.cn

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: