23.1 sec in total
1.4 sec
21.2 sec
519 ms
Welcome to yanfabu.com homepage info - get ready to check Yanfabu best content for China right away, or after learning these important things about yanfabu.com
研发社区(bbs.yanfabu.com),专业的工程研发创新服务平台,专为理工人才和研发制造企业提供研发资讯、技术资源、研发培训、人才服务、专家咨询、云计算等研发信息资源交互服务。包含工程仿真分析CAE,辅助设计CAD,辅助制造CAM,产品数据管理PDM,产品生命周期管理PLM等,助力工程研发创新设计。
Visit yanfabu.comWe analyzed Yanfabu.com page load time and found that the first response time was 1.4 sec and then it took 21.7 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
yanfabu.com performance score
name
value
score
weighting
Value1.7 s
93/100
10%
Value2.8 s
83/100
25%
Value4.8 s
66/100
10%
Value230 ms
87/100
30%
Value0.115
86/100
15%
Value3.6 s
91/100
10%
1392 ms
3679 ms
931 ms
933 ms
1373 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 92% of them (22 requests) were addressed to the original Yanfabu.com, 8% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Yanfabu.com.
Page size can be reduced by 496.7 kB (36%)
1.4 MB
893.3 kB
In fact, the total size of Yanfabu.com main page is 1.4 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. 15% of websites need less resources to load. Images take 830.4 kB which makes up the majority of the site volume.
Potential reduce by 111.3 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 15.5 kB, which is 12% 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 111.3 kB or 83% of the original size.
Potential reduce by 72.4 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. Yanfabu images are well optimized though.
Potential reduce by 187.5 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 187.5 kB or 70% of the original size.
Potential reduce by 125.5 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. Yanfabu.com needs all CSS files to be minified and compressed as it can save up to 125.5 kB or 79% of the original size.
Number of requests can be reduced by 3 (14%)
21
18
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yanfabu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
yanfabu.com
1392 ms
bootstrap.min.css
3679 ms
jquery.bxslider.css
931 ms
style.css
933 ms
jquery.min.js
1373 ms
bootstrap.min.js
1631 ms
jquery.bxslider.js
1360 ms
logo.png
3589 ms
logo2.png
4033 ms
56fcbd4e40091.jpg
8037 ms
56fcbd6a3ef9b.jpg
19778 ms
56fcbd73ab75c.jpg
19777 ms
56fcbd7c585b3.jpg
18664 ms
56f3478059a85.jpg
4604 ms
56f34842a3e5a.jpg
4729 ms
56f348b412baf.jpg
5521 ms
56f34952144ce.jpg
5566 ms
56f3497392e1a.jpg
13280 ms
erwei.jpg
5999 ms
hm.js
1042 ms
bx_loader.gif
2837 ms
controls.png
3701 ms
icomoon.ttf
4829 ms
hm.gif
329 ms
yanfabu.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
[id] attributes on active, focusable elements are not unique
yanfabu.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
Page has valid source maps
yanfabu.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yanfabu.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 Yanfabu.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.
yanfabu.com
Open Graph description is not detected on the main page of Yanfabu. 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: