34.2 sec in total
6.2 sec
27.5 sec
409 ms
Click here to check amazing Dev Yesky content for China. Otherwise, check out these important facts you probably never knew about dev.yesky.com
天极网开发频道瞄准中国程序员群体,涵盖软件开发的各个技术层面,从Windows下的应用程序开发,到Java、Web开发、游戏开发和移动开发领域,均有相关教程和实例、技巧, 是最专业的程序开发频道.
Visit dev.yesky.comWe analyzed Dev.yesky.com page load time and found that the first response time was 6.2 sec and then it took 28 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 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
dev.yesky.com performance score
name
value
score
weighting
Value1.6 s
94/100
10%
Value11.6 s
0/100
25%
Value9.1 s
14/100
10%
Value160 ms
94/100
30%
Value0.111
87/100
15%
Value6.1 s
64/100
10%
6243 ms
2124 ms
2271 ms
1395 ms
1825 ms
Our browser made a total of 83 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dev.yesky.com, 35% (29 requests) were made to Image.tianjimedia.com and 13% (11 requests) were made to Yesky.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Image.tianjimedia.com.
Page size can be reduced by 209.8 kB (31%)
681.4 kB
471.6 kB
In fact, the total size of Dev.yesky.com main page is 681.4 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. 35% of websites need less resources to load. Images take 450.7 kB which makes up the majority of the site volume.
Potential reduce by 37.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 37.7 kB or 69% of the original size.
Potential reduce by 52.2 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, Dev Yesky needs image optimization as it can save up to 52.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 77.9 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 77.9 kB or 63% of the original size.
Potential reduce by 42.0 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. Dev.yesky.com needs all CSS files to be minified and compressed as it can save up to 42.0 kB or 80% of the original size.
Number of requests can be reduced by 9 (12%)
73
64
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Yesky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
dev.yesky.com
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dev.yesky.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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
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
Form elements do not have associated labels
Links do not have a discernible name
dev.yesky.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
Browser errors were logged to the console
dev.yesky.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
ZH
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dev.yesky.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Dev.yesky.com main page’s claimed encoding is gb2312. 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.
dev.yesky.com
Open Graph description is not detected on the main page of Dev Yesky. 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: