22.6 sec in total
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Welcome to china-oceanus.com homepage info - get ready to check China Oceanus best content right away, or after learning these important things about china-oceanus.com
Oceanus is professional of the Gad detector and Air quality monitor system solutions, and is committed to provide more added service and the Purchasing center service.
Visit china-oceanus.comWe analyzed China-oceanus.com page load time and found that the first response time was 1.3 sec and then it took 21.3 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.
china-oceanus.com performance score
name
value
score
weighting
Value2.5 s
66/100
10%
Value6.1 s
12/100
25%
Value12.3 s
3/100
10%
Value190 ms
90/100
30%
Value0.117
85/100
15%
Value17.0 s
4/100
10%
1301 ms
636 ms
859 ms
1488 ms
642 ms
Our browser made a total of 113 requests to load all elements on the main page. We found that 82% of them (93 requests) were addressed to the original China-oceanus.com, 12% (13 requests) were made to Bdimg.share.baidu.com and 3% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (14.7 sec) belongs to the original domain China-oceanus.com.
Page size can be reduced by 1.6 MB (25%)
6.3 MB
4.7 MB
In fact, the total size of China-oceanus.com main page is 6.3 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. 70% of websites need less resources to load. Images take 6.1 MB which makes up the majority of the site volume.
Potential reduce by 33.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 33.2 kB or 81% of the original size.
Potential reduce by 1.6 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, China Oceanus needs image optimization as it can save up to 1.6 MB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 12.0 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. This website has mostly compressed JavaScripts.
Potential reduce by 1.8 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. China-oceanus.com needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 27% of the original size.
Number of requests can be reduced by 25 (23%)
111
86
The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Oceanus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.
china-oceanus.com
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china-oceanus.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<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
Image elements do not have [alt] attributes
Form elements do not have associated labels
china-oceanus.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
china-oceanus.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise China-oceanus.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 China-oceanus.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.
china-oceanus.com
Open Graph description is not detected on the main page of China Oceanus. 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: