13.4 sec in total
706 ms
11.6 sec
1.1 sec
Click here to check amazing Bilibili content for China. Otherwise, check out these important facts you probably never knew about bilibili.com
哔哩哔哩(bilibili.com)是国内知名的视频弹幕网站,这里有及时的动漫新番,活跃的ACG氛围,有创意的Up主。大家可以在这里找到许多欢乐。
Visit bilibili.comWe analyzed Bilibili.com page load time and found that the first response time was 706 ms and then it took 12.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bilibili.com performance score
name
value
score
weighting
Value7.4 s
1/100
10%
Value12.7 s
0/100
25%
Value10.0 s
9/100
10%
Value480 ms
59/100
30%
Value0
100/100
15%
Value15.4 s
7/100
10%
706 ms
256 ms
26 ms
52 ms
43 ms
Our browser made a total of 128 requests to load all elements on the main page. We found that 16% of them (20 requests) were addressed to the original Bilibili.com, 37% (47 requests) were made to I0.hdslb.com and 22% (28 requests) were made to Static.hdslb.com. The less responsive or slowest element that took the longest time to load (10.2 sec) relates to the external source Tajs.qq.com.
Page size can be reduced by 767.4 kB (66%)
1.2 MB
392.3 kB
In fact, the total size of Bilibili.com 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 558.1 kB which makes up the majority of the site volume.
Potential reduce by 97.7 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 97.7 kB or 80% of the original size.
Potential reduce by 29.7 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, Bilibili needs image optimization as it can save up to 29.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 399.1 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 399.1 kB or 72% of the original size.
Potential reduce by 240.9 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. Bilibili.com needs all CSS files to be minified and compressed as it can save up to 240.9 kB or 83% of the original size.
Number of requests can be reduced by 18 (30%)
61
43
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bilibili. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
bilibili.com
706 ms
www.bilibili.com
256 ms
jquery-ui.css
26 ms
page-core.css
52 ms
jquery.min.js
43 ms
jquery-ui.min.js
47 ms
base.core.js
50 ms
index.css
41 ms
page.core.js
46 ms
page.index.js
51 ms
getHeader
169 ms
online.js
348 ms
advertisement.min.js
217 ms
ding-count.json
307 ms
icons.png
272 ms
b-post.png
268 ms
app-link.png
271 ms
app-box.png
270 ms
app-qrcode.png
268 ms
b314d69ec7ba625d89a343366c045026.PNG
4146 ms
download.png
1140 ms
slideshow.json
212 ms
icons2.png
107 ms
bangumi-weekday.png
107 ms
971d9c66d10c6c6396b36416568525db.png
3810 ms
tv_animate.png
3844 ms
b-taobao.png
106 ms
footpic.gif
104 ms
wx-arrow.png
104 ms
weibo-qrcode.png
104 ms
wx.jpg
105 ms
ranking-3day.json
92 ms
promote.json
175 ms
12.json
170 ms
recom
551 ms
ding.json
269 ms
1-3day.json
181 ms
13-3day.json
216 ms
index-bangumi-timeline.json
201 ms
nav.js
1103 ms
index-icon.json
197 ms
getSearchDefaultWords
212 ms
loc
664 ms
loc
665 ms
loc
666 ms
loc
665 ms
rec.js
1245 ms
bfd.js
109 ms
stat.php
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stats
10183 ms
loading.gif
120 ms
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106 ms
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41.json
111 ms
api_proxy
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31.json
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bilibili.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.
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
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
bilibili.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
bilibili.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 doesn't use legible font sizes
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bilibili.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 Bilibili.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.
bilibili.com
Open Graph description is not detected on the main page of Bilibili. 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: