35.5 sec in total
15.9 sec
18.6 sec
946 ms
Click here to check amazing Zzedu content for China. Otherwise, check out these important facts you probably never knew about zzedu.net.cn
郑州教育信息网(www.zzedu.net.cn)是由郑州市教育局主办、郑州市现代教育信息技术中心负责建设和管理,服务于全市教育行政部门、学校和广大师生的综合性网络服务平台。
Visit zzedu.net.cnWe analyzed Zzedu.net.cn page load time and found that the first response time was 15.9 sec and then it took 19.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
zzedu.net.cn performance score
name
value
score
weighting
Value2.4 s
71/100
10%
Value6.7 s
7/100
25%
Value6.9 s
34/100
10%
Value240 ms
85/100
30%
Value0.006
100/100
15%
Value10.9 s
21/100
10%
15928 ms
567 ms
276 ms
2357 ms
821 ms
Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Zzedu.net.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (15.9 sec) belongs to the original domain Zzedu.net.cn.
Page size can be reduced by 7.0 kB (77%)
9.1 kB
2.1 kB
In fact, the total size of Zzedu.net.cn main page is 9.1 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. Only 5% of websites need less resources to load. HTML takes 9.1 kB which makes up the majority of the site volume.
Potential reduce by 7.0 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 1.2 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 7.0 kB or 77% of the original size.
We found no issues to fix!
15
15
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zzedu. According to our analytics all requests are already optimized.
zzedu.net.cn
15928 ms
style(ssjm).css
567 ms
newsico-1.jpg
276 ms
newsico-2.jpg
2357 ms
newsbg-1.jpg
821 ms
newsbg-2.jpg
1105 ms
newsbg-4.jpg
1361 ms
newslogo-1.jpg
1363 ms
newsbg-6.jpg
541 ms
newsbg-7.jpg
825 ms
newsbg-8.jpg
1105 ms
newsbg-5.jpg
1117 ms
newsanniu.jpg
1358 ms
newsbg-3.jpg
1375 ms
newspic-1.jpg
1389 ms
newspic-2.jpg
1621 ms
zzedu.net.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.
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
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>).
zzedu.net.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
Issues were logged in the Issues panel in Chrome Devtools
zzedu.net.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
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zzedu.net.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 Zzedu.net.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.
zzedu.net.cn
Open Graph description is not detected on the main page of Zzedu. 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: