36.9 sec in total
6.3 sec
30.1 sec
499 ms
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Visit zigong.scol.com.cnWe analyzed Zigong.scol.com.cn page load time and found that the first response time was 6.3 sec and then it took 30.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
zigong.scol.com.cn performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value4.9 s
28/100
25%
Value7.9 s
22/100
10%
Value40 ms
100/100
30%
Value0.291
41/100
15%
Value4.6 s
81/100
10%
6286 ms
1068 ms
941 ms
1059 ms
4261 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 54% of them (29 requests) were addressed to the original Zigong.scol.com.cn, 30% (16 requests) were made to Scol.com.cn and 6% (3 requests) were made to Cl3.webterren.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Zigong.scol.com.cn.
Page size can be reduced by 219.3 kB (32%)
681.5 kB
462.2 kB
In fact, the total size of Zigong.scol.com.cn main page is 681.5 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. 15% of websites need less resources to load. Images take 475.4 kB which makes up the majority of the site volume.
Potential reduce by 41.5 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 8.2 kB, which is 15% 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 41.5 kB or 77% of the original size.
Potential reduce by 79.8 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, Zigong Scol needs image optimization as it can save up to 79.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 91.4 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 91.4 kB or 63% of the original size.
Potential reduce by 6.6 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. Zigong.scol.com.cn needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 79% of the original size.
Number of requests can be reduced by 18 (44%)
41
23
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zigong Scol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
zigong.scol.com.cn
6286 ms
201404_zg_text.css
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new_channel_950.js
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myfocus.js
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k.js
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logo.jpg
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phb_ajax.min.js
554 ms
new_bottom.js
495 ms
ipcount.htm
20150 ms
gsts.js
850 ms
jquery.min.js
4835 ms
webterren.js
993 ms
tongji.scol.com.cn
3037 ms
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zigong.scol.com.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
Links do not have a discernible name
zigong.scol.com.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
zigong.scol.com.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zigong.scol.com.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 Zigong.scol.com.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.
zigong.scol.com.cn
Open Graph description is not detected on the main page of Zigong Scol. 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: