16.3 sec in total
2.6 sec
13.1 sec
570 ms
Visit dearedu.com now to see the best up-to-date Dearedu content for China and also check out these interesting facts you probably never knew about dearedu.com
第二教育网成立于2002年,是以服务学校为宗旨的资源门户网站。为学校及教师提供教案、课件、试题、学案、素材、安全教育、清北学霸公开课、教师成长培训、学生学习方法等资源和课程,是学校和教师值得信赖的教育资源平台。
Visit dearedu.comWe analyzed Dearedu.com page load time and found that the first response time was 2.6 sec and then it took 13.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
dearedu.com performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value12.5 s
0/100
25%
Value10.5 s
8/100
10%
Value120 ms
97/100
30%
Value0.005
100/100
15%
Value4.2 s
86/100
10%
2623 ms
794 ms
695 ms
691 ms
751 ms
Our browser made a total of 139 requests to load all elements on the main page. We found that 56% of them (78 requests) were addressed to the original Dearedu.com, 17% (24 requests) were made to Img.dearedu.com and 12% (16 requests) were made to Staticec.com. The less responsive or slowest element that took the longest time to load (9.3 sec) relates to the external source Img.dearedu.com.
Page size can be reduced by 819.9 kB (33%)
2.5 MB
1.7 MB
In fact, the total size of Dearedu.com main page is 2.5 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. 60% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 486.5 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 137.0 kB, which is 26% 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 486.5 kB or 93% of the original size.
Potential reduce by 163.1 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. Dearedu images are well optimized though.
Potential reduce by 117.8 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 117.8 kB or 70% of the original size.
Potential reduce by 52.4 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. Dearedu.com needs all CSS files to be minified and compressed as it can save up to 52.4 kB or 81% of the original size.
Number of requests can be reduced by 29 (21%)
135
106
The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dearedu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
dearedu.com
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dearedu.com 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
Image elements do not have [alt] attributes
Links do not have a discernible name
dearedu.com 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
dearedu.com 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 Dearedu.com 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 Dearedu.com 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.
dearedu.com
Open Graph description is not detected on the main page of Dearedu. 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: