38.2 sec in total
1.2 sec
36.6 sec
336 ms
Visit zsb.nclg.com.cn now to see the best up-to-date Zsb Nclg content and also check out these interesting facts you probably never knew about zsb.nclg.com.cn
Visit zsb.nclg.com.cnWe analyzed Zsb.nclg.com.cn page load time and found that the first response time was 1.2 sec and then it took 37 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 29 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
zsb.nclg.com.cn performance score
name
value
score
weighting
Value3.7 s
28/100
10%
Value10.6 s
0/100
25%
Value9.4 s
12/100
10%
Value20 ms
100/100
30%
Value0.083
94/100
15%
Value12.1 s
16/100
10%
1231 ms
749 ms
869 ms
3226 ms
920 ms
Our browser made a total of 103 requests to load all elements on the main page. We found that 66% of them (68 requests) were addressed to the original Zsb.nclg.com.cn, 20% (21 requests) were made to Www3.53kf.com and 3% (3 requests) were made to Zsb.nut.edu.cn. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Zsb.nclg.com.cn.
Page size can be reduced by 395.5 kB (63%)
624.0 kB
228.5 kB
In fact, the total size of Zsb.nclg.com.cn main page is 624.0 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. 25% of websites need less resources to load. Javascripts take 289.7 kB which makes up the majority of the site volume.
Potential reduce by 88.8 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 88.8 kB or 86% of the original size.
Potential reduce by 37.2 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, Zsb Nclg needs image optimization as it can save up to 37.2 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 198.7 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 198.7 kB or 69% of the original size.
Potential reduce by 70.8 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. Zsb.nclg.com.cn needs all CSS files to be minified and compressed as it can save up to 70.8 kB or 82% of the original size.
Number of requests can be reduced by 41 (58%)
71
30
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zsb Nclg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
zsb.nclg.com.cn
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common.css
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zsb.nclg.com.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
<object> elements do not have alternate text
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
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
zsb.nclg.com.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
Browser errors were logged to the console
zsb.nclg.com.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
Document uses plugins
ZH
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zsb.nclg.com.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 Zsb.nclg.com.cn main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
zsb.nclg.com.cn
Open Graph description is not detected on the main page of Zsb Nclg. 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: