104 sec in total
1.2 sec
102.1 sec
748 ms
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
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Visit h2o-china.comWe 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 an excellent result, as only a small number 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.
h2o-china.com performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value13.1 s
0/100
25%
Value13.8 s
1/100
10%
Value550 ms
54/100
30%
Value0.042
99/100
15%
Value6.1 s
63/100
10%
1225 ms
2368 ms
759 ms
2302 ms
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.
Page size can be reduced by 842.4 kB (24%)
3.5 MB
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.
Potential reduce by 157.1 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.
Potential reduce by 473.0 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, 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.
Potential reduce by 151.2 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.
Potential reduce by 61.2 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. 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.
Number of requests can be reduced by 37 (10%)
354
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.
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h2o-china.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Image elements do not have [alt] attributes
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
h2o-china.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
h2o-china.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
ZH
ZH
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.
{{og_description}}
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: