5.5 sec in total
938 ms
4.3 sec
232 ms
Click here to check amazing Commons Nicovideo content for Japan. Otherwise, check out these important facts you probably never knew about commons.nicovideo.jp
ネット上の「創作の連鎖」を促進する、ニコニ・コモンズ。ボカロ音源や、アニメの二次創作ガイドライン、ゆっくり動画ツール等のライセンスを無料で利用できる!ライセンス登録して沢山使われれば、その利用数に応じた収益化も!
Visit commons.nicovideo.jpWe analyzed Commons.nicovideo.jp page load time and found that the first response time was 938 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
commons.nicovideo.jp performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value13.7 s
0/100
25%
Value10.2 s
9/100
10%
Value990 ms
27/100
30%
Value0.071
96/100
15%
Value19.9 s
2/100
10%
938 ms
322 ms
641 ms
334 ms
336 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 84% of them (48 requests) were addressed to the original Commons.nicovideo.jp, 11% (6 requests) were made to Ads.nicovideo.jp and 2% (1 request) were made to Nicommons.urc.nicovideo.jp. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Commons.nicovideo.jp.
Page size can be reduced by 316.0 kB (58%)
541.8 kB
225.8 kB
In fact, the total size of Commons.nicovideo.jp main page is 541.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 244.9 kB which makes up the majority of the site volume.
Potential reduce by 21.2 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 21.2 kB or 77% of the original size.
Potential reduce by 37.1 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. Obviously, Commons Nicovideo needs image optimization as it can save up to 37.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 176.1 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 176.1 kB or 72% of the original size.
Potential reduce by 81.7 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. Commons.nicovideo.jp needs all CSS files to be minified and compressed as it can save up to 81.7 kB or 82% of the original size.
Number of requests can be reduced by 32 (57%)
56
24
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Commons 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 13 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
commons.nicovideo.jp
938 ms
txt.css
322 ms
common.css
641 ms
index.css
334 ms
feature.css
336 ms
s.css
375 ms
tree.css
671 ms
my.css
661 ms
formStyle.css
667 ms
nicommons.css
680 ms
comment.css
720 ms
material.css
972 ms
ads.css
980 ms
cpp_common.css
1343 ms
swfobject.js
982 ms
prototype.js
1819 ms
jquery.js
1689 ms
header.js
1309 ms
ads-2.min.js
662 ms
siteHeader.css
1308 ms
nicolib-CommonNotificationHeader.css
1639 ms
siteHeader.js
1502 ms
nicolib-CommonNotificationHeader.js
1865 ms
cycle.js
1724 ms
banner.js
1665 ms
__utm.js
1958 ms
txt.css
1359 ms
icon_niconico.png
356 ms
logo.png
358 ms
jasrac01.png
361 ms
jasrac02.png
366 ms
bg_gmenu.png
360 ms
bg_gmenu_active.png
563 ms
sprite_gmenu.png
658 ms
bg_gmenu_cp_off.png
663 ms
ic_c.png
682 ms
bg.jpg
1050 ms
bg_main.png
1060 ms
uploads_title.png
930 ms
bg_pager.png
970 ms
tree_new_header.png
977 ms
event_title.png
1022 ms
commercialize_title.png
1279 ms
btn_tree.jpg
1635 ms
btn_more.png
1344 ms
btn_cps.jpg
1656 ms
btn_scorelink.png
1377 ms
bg_pagetop.png
1385 ms
sprite_icon.png
1598 ms
__utm.gif
544 ms
getAdvertisements.jsonp
364 ms
bannertext
333 ms
logImpression
317 ms
bannertext
340 ms
logImpression
382 ms
ads_premium.js
243 ms
adcomp_pc.js
43 ms
commons.nicovideo.jp 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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
commons.nicovideo.jp 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
commons.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Commons.nicovideo.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Commons.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.
commons.nicovideo.jp
Open Graph description is not detected on the main page of Commons 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: