Access h2o-china.com. 易二零水网

h2o-china.com screenshot

39

Performance

Renders faster than
59% of other websites
77

Accessibility

Visual factors better than
that of 45% of websites
67

Best Practices

More advanced features
available than in
24% of websites
81

SEO

Google-friendlier than
43% of websites

First Response

1.2 sec

Resources Loaded

102.1 sec

Page Rendered

748 ms

h2o-china.com screenshot

About Website

Click here to check amazing H 2 O China content for China. Otherwise, check out these important facts you probably never knew about h2o-china.com

中国水网是水行业专业门户网站，专业、及时、全面地报道国内外供水、水处理、污水处理、再生水处理等的行业动态，提供深度的水业研究网上专题、资讯报告。举办城市水业战略论坛、城市水业技术论坛、水业战略沙龙、水业技术沙龙、环境战略沙龙等行业内的品牌活动，积极组织关于水业政策、水业市场改革的难点和热点的分析和讨论。拥有权威的污水处理和水处理论文库、法规库、标准库，及水业投资企业、水业工程企业、水务咨询企业、水...

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Key Findings

We analyzed H2o-china.com page load time and found that the first response time was 1.2 sec and then it took 102.8 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 9 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)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

h2o-china.com

1225 ms

www.h2o-china.com

2368 ms

public.css

759 ms

main.css

2302 ms

txteditor.css

779 ms

Our browser made a total of 367 requests to load all elements on the main page. We found that 21% of them (77 requests) were addressed to the original H2o-china.com, 75% (277 requests) were made to Imgs.h2o-china.com and 1% (3 requests) were made to Tsinghuan.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Imgs.h2o-china.com.

Content Size

3.5 MB

After Optimization

2.6 MB

In fact, the total size of H2o-china.com main page is 3.5 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. 55% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 157.1 kB

Original 191.1 kB
After minification 171.0 kB
After compression 34.0 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 20.1 kB, which is 11% 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 157.1 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 473.0 kB

Original 3.0 MB
After minification 2.5 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. Obviously, H 2 O China needs image optimization as it can save up to 473.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 151.2 kB

Original 209.3 kB
After minification 166.7 kB
After compression 58.1 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 151.2 kB or 72% of the original size.

CSS Optimization

-80%

Potential reduce by 61.2 kB

Original 76.4 kB
After minification 64.6 kB
After compression 15.3 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. H2o-china.com needs all CSS files to be minified and compressed as it can save up to 61.2 kB or 80% of the original size.

Requests Now

354

After Optimization

317

The browser has sent 354 CSS, Javascripts, AJAX and image requests in order to completely render the main page of H 2 O China. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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 are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise H2o-china.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that H2o-china.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

h2o-china.com

Open Graph description is not detected on the main page of H 2 O China. 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: