16.8 sec in total
768 ms
15.6 sec
408 ms
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Visit aa9b.cnWe analyzed Aa9b.cn page load time and found that the first response time was 768 ms and then it took 16 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
aa9b.cn performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value14.9 s
0/100
25%
Value13.6 s
2/100
10%
Value1,390 ms
16/100
30%
Value0.083
94/100
15%
Value13.8 s
11/100
10%
768 ms
2088 ms
915 ms
925 ms
616 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 35% of them (42 requests) were addressed to the original Aa9b.cn, 12% (14 requests) were made to Pos.baidu.com and 8% (9 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (7.7 sec) relates to the external source T10.baidu.com.
Page size can be reduced by 562.6 kB (50%)
1.1 MB
571.4 kB
In fact, the total size of Aa9b.cn main page is 1.1 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. 60% of websites need less resources to load. Javascripts take 580.0 kB which makes up the majority of the site volume.
Potential reduce by 80.7 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 80.7 kB or 81% of the original size.
Potential reduce by 46.2 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, Aa 9 B needs image optimization as it can save up to 46.2 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 381.2 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 381.2 kB or 66% of the original size.
Potential reduce by 54.5 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. Aa9b.cn needs all CSS files to be minified and compressed as it can save up to 54.5 kB or 78% of the original size.
Number of requests can be reduced by 57 (51%)
111
54
The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aa 9 B. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and as a result speed up the page load time.
aa9b.cn
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aa9b.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
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
aa9b.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
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
aa9b.cn SEO score
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
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
ZH
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aa9b.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 Aa9b.cn main page’s claimed encoding is gbk. 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.
aa9b.cn
Open Graph description is not detected on the main page of Aa 9 B. 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: