18.5 sec in total
887 ms
17.1 sec
519 ms
Click here to check amazing Birdnet content for United States. Otherwise, check out these important facts you probably never knew about birdnet.cn
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Visit birdnet.cnWe analyzed Birdnet.cn page load time and found that the first response time was 887 ms and then it took 17.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
birdnet.cn performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value18.7 s
0/100
25%
Value16.2 s
0/100
10%
Value190 ms
91/100
30%
Value0.001
100/100
15%
Value33.3 s
0/100
10%
887 ms
794 ms
534 ms
1326 ms
534 ms
Our browser made a total of 137 requests to load all elements on the main page. We found that 98% of them (134 requests) were addressed to the original Birdnet.cn, 1% (1 request) were made to Js.users.51.la and 1% (1 request) were made to Discuz.gtimg.cn. The less responsive or slowest element that took the longest time to load (13.5 sec) relates to the external source Icon.51.la.
Page size can be reduced by 925.5 kB (22%)
4.1 MB
3.2 MB
In fact, the total size of Birdnet.cn main page is 4.1 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. 45% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.
Potential reduce by 70.7 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 70.7 kB or 78% of the original size.
Potential reduce by 523.6 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, Birdnet needs image optimization as it can save up to 523.6 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 157.5 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 157.5 kB or 66% of the original size.
Potential reduce by 173.7 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. Birdnet.cn needs all CSS files to be minified and compressed as it can save up to 173.7 kB or 82% of the original size.
Number of requests can be reduced by 23 (17%)
136
113
The browser has sent 136 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Birdnet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
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birdnet.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
birdnet.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
birdnet.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
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Birdnet.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 Birdnet.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.
birdnet.cn
Open Graph description is not detected on the main page of Birdnet. 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: