7.5 sec in total
851 ms
6.3 sec
397 ms
Visit live.nicovideo.jp now to see the best up-to-date Live Nicovideo content for Japan and also check out these interesting facts you probably never knew about live.nicovideo.jp
【ニコニコ生放送】は無料ですぐに楽しめる日本最大級のライブ配信サービス!最新作のアニメ・音楽ライブ・ゲーム実況・料理・歌ってみたなど、様々な番組をコメントで盛り上がりながら視聴できます。ニコニコ生放送アプリで、誰でも簡単に配信することができます。
Visit live.nicovideo.jpWe analyzed Live.nicovideo.jp page load time and found that the first response time was 851 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
live.nicovideo.jp performance score
name
value
score
weighting
Value9.3 s
0/100
10%
Value10.6 s
0/100
25%
Value17.7 s
0/100
10%
Value10,060 ms
0/100
30%
Value0
100/100
15%
Value35.9 s
0/100
10%
851 ms
641 ms
675 ms
512 ms
851 ms
Our browser made a total of 180 requests to load all elements on the main page. We found that 6% of them (10 requests) were addressed to the original Live.nicovideo.jp, 57% (103 requests) were made to Nl.simg.jp and 8% (14 requests) were made to Ads.nicovideo.jp. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Nl.simg.jp.
Page size can be reduced by 1.0 MB (47%)
2.2 MB
1.2 MB
In fact, the total size of Live.nicovideo.jp main page is 2.2 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. 60% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 138.7 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 138.7 kB or 83% of the original size.
Potential reduce by 21.1 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. Live Nicovideo images are well optimized though.
Potential reduce by 766.1 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 766.1 kB or 71% of the original size.
Potential reduce by 114.2 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. Live.nicovideo.jp needs all CSS files to be minified and compressed as it can save up to 114.2 kB or 81% of the original size.
Number of requests can be reduced by 108 (61%)
177
69
The browser has sent 177 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Live Nicovideo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 74 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
live.nicovideo.jp
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live.nicovideo.jp accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[role]s are not contained by their required parent element
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
<frame> or <iframe> elements do not have a title
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.
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.
live.nicovideo.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
live.nicovideo.jp 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
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
JA
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Live.nicovideo.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Live.nicovideo.jp 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.
live.nicovideo.jp
Open Graph description is not detected on the main page of Live Nicovideo. 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: