59.9 sec in total
2.7 sec
56.9 sec
291 ms
Visit os.opensns.cn now to see the best up-to-date Os OpenSN S content for Taiwan and also check out these interesting facts you probably never knew about os.opensns.cn
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Visit os.opensns.cnWe analyzed Os.opensns.cn page load time and found that the first response time was 2.7 sec and then it took 57.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
os.opensns.cn performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value5.3 s
21/100
25%
Value7.8 s
23/100
10%
Value90 ms
99/100
30%
Value0.005
100/100
15%
Value6.5 s
58/100
10%
2674 ms
8873 ms
1113 ms
4496 ms
1120 ms
Our browser made a total of 90 requests to load all elements on the main page. We found that 63% of them (57 requests) were addressed to the original Os.opensns.cn, 28% (25 requests) were made to Upload.opensns.cn and 3% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Os.opensns.cn.
Page size can be reduced by 503.2 kB (52%)
960.6 kB
457.5 kB
In fact, the total size of Os.opensns.cn main page is 960.6 kB. 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 530.5 kB which makes up the majority of the site volume.
Potential reduce by 71.2 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. This page needs HTML code to be minified as it can gain 35.6 kB, which is 45% 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 71.2 kB or 89% of the original size.
Potential reduce by 138.5 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, Os OpenSN S needs image optimization as it can save up to 138.5 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 54.3 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 54.3 kB or 77% of the original size.
Potential reduce by 239.1 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. Os.opensns.cn needs all CSS files to be minified and compressed as it can save up to 239.1 kB or 86% of the original size.
Number of requests can be reduced by 37 (43%)
87
50
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Os OpenSN S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
appstore
2674 ms
zui.css
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zui-theme.css
1113 ms
core.css
4496 ms
light.css
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magnific-popup.css
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com.talker.class.js
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settings.css
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jquery.easing.1.3.js
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jquery.cssAnimate.mini.js
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jquery.themepunch.services.min.js
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foucs.js
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zenicon.woff
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1700 ms
stat.htm
167 ms
core.php
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h.js
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21.gif
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os.opensns.cn 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
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.
os.opensns.cn 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
Issues were logged in the Issues panel in Chrome Devtools
os.opensns.cn 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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Os.opensns.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 Os.opensns.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.
os.opensns.cn
Open Graph description is not detected on the main page of Os OpenSN S. 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: