26.7 sec in total
9.3 sec
17.1 sec
334 ms
Welcome to qzlx.ecnu.edu.cn homepage info - get ready to check Qzlx Ecnu best content for China right away, or after learning these important things about qzlx.ecnu.edu.cn
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Visit qzlx.ecnu.edu.cnWe analyzed Qzlx.ecnu.edu.cn page load time and found that the first response time was 9.3 sec and then it took 17.4 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.
qzlx.ecnu.edu.cn performance score
name
value
score
weighting
Value1.9 s
87/100
10%
Value3.5 s
65/100
25%
Value9.1 s
14/100
10%
Value40 ms
100/100
30%
Value0.005
100/100
15%
Value2.6 s
98/100
10%
9268 ms
787 ms
2710 ms
790 ms
1048 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that all of those requests were addressed to Qzlx.ecnu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (9.3 sec) belongs to the original domain Qzlx.ecnu.edu.cn.
Page size can be reduced by 214.2 kB (9%)
2.3 MB
2.1 MB
In fact, the total size of Qzlx.ecnu.edu.cn main page is 2.3 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 2.2 MB which makes up the majority of the site volume.
Potential reduce by 40.1 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 6.0 kB, which is 13% 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 40.1 kB or 85% of the original size.
Potential reduce by 156.0 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. Qzlx Ecnu images are well optimized though.
Potential reduce by 15.4 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 15.4 kB or 83% of the original size.
Potential reduce by 2.7 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. Qzlx.ecnu.edu.cn needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 71% of the original size.
Number of requests can be reduced by 5 (9%)
56
51
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qzlx Ecnu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
qzlx.ecnu.edu.cn
9268 ms
flexslider.css
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jquery.min.js
2710 ms
urlParams.js
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string.min.js
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jquery.flexslider.js
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classbase.js
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windowopener.js
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divwin.css
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top.gif
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269 ms
qzlx.ecnu.edu.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
qzlx.ecnu.edu.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
qzlx.ecnu.edu.cn SEO score
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
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Qzlx.ecnu.edu.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 Qzlx.ecnu.edu.cn main page’s claimed encoding is gb2312. 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.
qzlx.ecnu.edu.cn
Open Graph description is not detected on the main page of Qzlx Ecnu. 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: