Access naturechina.com. 首页 | 自然中国

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21

Performance

Renders faster than
39% of other websites
83

Accessibility

Visual factors better than
that of 54% of websites
67

Best Practices

More advanced features
available than in
24% of websites
72

SEO

Google-friendlier than
31% of websites

First Response

1.1 sec

Resources Loaded

75.4 sec

Page Rendered

506 ms

naturechina.com screenshot

About Website

Visit naturechina.com now to see the best up-to-date Naturechina content for China and also check out these interesting facts you probably never knew about naturechina.com

自然科研旗下汇聚了一系列服务于科研界的优质产品与服务，涵盖生命科学、物理、化学和应用科学，其中包括了期刊、在线数据库和研究者服务等。创建于1869年的《自然》杂志（Nature）是国际领先的科学周刊，也是自然科研这一品牌的核心期刊。

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Key Findings

We analyzed Naturechina.com page load time and found that the first response time was 1.1 sec and then it took 75.9 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 were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value27.9 s

0/100

25%

SI (Speed Index)

Value17.5 s

0/100

10%

TBT (Total Blocking Time)

Value670 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.376

28/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

naturechina.com

1118 ms

animate.min.css

464 ms

swiper.min.css

547 ms

animate.min.css

488 ms

common.css

543 ms

Our browser made a total of 340 requests to load all elements on the main page. We found that 97% of them (331 requests) were addressed to the original Naturechina.com, 1% (4 requests) were made to Cdn.cookielaw.org and 0% (1 request) were made to Securepubads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Naturechina.com.

Content Size

4.9 MB

After Optimization

4.2 MB

In fact, the total size of Naturechina.com main page is 4.9 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. 50% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 249.1 kB

Original 296.2 kB
After minification 172.8 kB
After compression 47.0 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 123.3 kB, which is 42% 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 249.1 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 388.2 kB

Original 4.3 MB
After minification 3.9 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. Naturechina images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 75.1 kB

Original 229.9 kB
After minification 229.9 kB
After compression 154.8 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 75.1 kB or 33% of the original size.

CSS Optimization

-73%

Potential reduce by 58.7 kB

Original 80.0 kB
After minification 79.9 kB
After compression 21.3 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. Naturechina.com needs all CSS files to be minified and compressed as it can save up to 58.7 kB or 73% of the original size.

Requests Now

335

After Optimization

318

The browser has sent 335 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Naturechina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

EN
Encoding

UTF-8

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

naturechina.com

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