97.1 sec in total
7.3 sec
89.2 sec
610 ms
Click here to check amazing Sijiedu content for China. Otherwise, check out these important facts you probably never knew about sijiedu.com
数学,思维训练,小学数学,小学思维训练,初中数学,初中思维训练
Visit sijiedu.comWe analyzed Sijiedu.com page load time and found that the first response time was 7.3 sec and then it took 89.8 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. Unfortunately, there were 51 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
sijiedu.com performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value6.3 s
10/100
25%
Value9.9 s
10/100
10%
Value10 ms
100/100
30%
Value0.008
100/100
15%
Value6.7 s
56/100
10%
7256 ms
1449 ms
1450 ms
1454 ms
977 ms
Our browser made a total of 142 requests to load all elements on the main page. We found that 94% of them (133 requests) were addressed to the original Sijiedu.com, 1% (1 request) were made to Libs.baidu.com and 1% (1 request) were made to Static.jiasule.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Sijiedu.com.
Page size can be reduced by 650.0 kB (28%)
2.3 MB
1.7 MB
In fact, the total size of Sijiedu.com 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. 30% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 200.2 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 59.1 kB, which is 27% 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 200.2 kB or 90% of the original size.
Potential reduce by 357.1 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. Obviously, Sijiedu needs image optimization as it can save up to 357.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 27.4 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 27.4 kB or 63% of the original size.
Potential reduce by 65.4 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. Sijiedu.com needs all CSS files to be minified and compressed as it can save up to 65.4 kB or 77% of the original size.
Number of requests can be reduced by 24 (28%)
87
63
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sijiedu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
www.sijiedu.com
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base.css
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xsc_cup2014.css
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public_topNav_tt.css
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navcss.css
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global.css
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common.js
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jquery-1.8.0.min.js
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top-slide.js
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index.css
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sijiedu.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
sijiedu.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
sijiedu.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sijiedu.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 Sijiedu.com 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.
sijiedu.com
Open Graph description is not detected on the main page of Sijiedu. 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: