8.7 sec in total
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Welcome to tech.ces.cn homepage info - get ready to check Tech Ces best content for Japan right away, or after learning these important things about tech.ces.cn
节能环保技术是中国节能网的节能技术频道,是中国节能网专业的节能技术资讯、技术资料和技术交流的综合节能技术平台。
Visit tech.ces.cnWe analyzed Tech.ces.cn page load time and found that the first response time was 1.6 sec and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
tech.ces.cn performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value2.1 s
96/100
25%
Value4.9 s
64/100
10%
Value0 ms
100/100
30%
Value0.101
89/100
15%
Value3.5 s
92/100
10%
1647 ms
1819 ms
2047 ms
1592 ms
2280 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tech.ces.cn, 61% (43 requests) were made to Www1.ces.cn and 30% (21 requests) were made to Nw.ces.cn. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Www1.ces.cn.
Page size can be reduced by 463.5 kB (39%)
1.2 MB
710.7 kB
In fact, the total size of Tech.ces.cn main page is 1.2 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. 25% of websites need less resources to load. Images take 620.1 kB which makes up the majority of the site volume.
Potential reduce by 118.9 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 24.1 kB, which is 17% 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 118.9 kB or 83% of the original size.
Potential reduce by 66.4 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, Tech Ces needs image optimization as it can save up to 66.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 217.1 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 217.1 kB or 64% of the original size.
Potential reduce by 61.1 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. Tech.ces.cn needs all CSS files to be minified and compressed as it can save up to 61.1 kB or 83% of the original size.
Number of requests can be reduced by 15 (21%)
70
55
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tech Ces. 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 as a result speed up the page load time.
tech.ces.cn
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tech_header.css
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footer.css
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tech.ces.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
tech.ces.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Browser errors were logged to the console
tech.ces.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 Tech.ces.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 Tech.ces.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.
tech.ces.cn
Open Graph description is not detected on the main page of Tech Ces. 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: