13.4 sec in total
1.3 sec
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659 ms
Welcome to english.sdnu.edu.cn homepage info - get ready to check English Sdnu best content for China right away, or after learning these important things about english.sdnu.edu.cn
Visit english.sdnu.edu.cnWe analyzed English.sdnu.edu.cn page load time and found that the first response time was 1.3 sec and then it took 12.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
english.sdnu.edu.cn performance score
name
value
score
weighting
Value6.0 s
3/100
10%
Value42.1 s
0/100
25%
Value21.5 s
0/100
10%
Value3,410 ms
2/100
30%
Value0.907
3/100
15%
Value37.2 s
0/100
10%
1321 ms
298 ms
1034 ms
1297 ms
1042 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 99% of them (80 requests) were addressed to the original English.sdnu.edu.cn, 1% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (10.1 sec) relates to the external source .
Page size can be reduced by 2.6 MB (24%)
10.9 MB
8.3 MB
In fact, the total size of English.sdnu.edu.cn main page is 10.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 7.8 MB which makes up the majority of the site volume.
Potential reduce by 52.5 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 17.2 kB, which is 28% 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 52.5 kB or 86% of the original size.
Potential reduce by 400.7 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. English Sdnu images are well optimized though.
Potential reduce by 498.7 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 498.7 kB or 48% of the original size.
Potential reduce by 1.7 MB
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. English.sdnu.edu.cn needs all CSS files to be minified and compressed as it can save up to 1.7 MB or 82% of the original size.
Number of requests can be reduced by 43 (55%)
78
35
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of English Sdnu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
english.sdnu.edu.cn
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public.css
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animate.min.css
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style.css
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jquery-3.6.0.min.js
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english.sdnu.edu.cn accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
english.sdnu.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
english.sdnu.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
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise English.sdnu.edu.cn 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 English.sdnu.edu.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.
english.sdnu.edu.cn
Open Graph description is not detected on the main page of English Sdnu. 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: