3.9 sec in total
545 ms
3.1 sec
241 ms
Visit help.nicovideo.jp now to see the best up-to-date Help Nicovideo content for Japan and also check out these interesting facts you probably never knew about help.nicovideo.jp
ニコニコヘルプ
Visit help.nicovideo.jpWe analyzed Help.nicovideo.jp page load time and found that the first response time was 545 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
help.nicovideo.jp performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value12.0 s
0/100
25%
Value10.3 s
8/100
10%
Value2,920 ms
3/100
30%
Value0.029
100/100
15%
Value13.8 s
10/100
10%
545 ms
1050 ms
814 ms
387 ms
386 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Help.nicovideo.jp, 79% (15 requests) were made to Qa.nicovideo.jp and 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Qa.nicovideo.jp.
Page size can be reduced by 492.6 kB (75%)
654.4 kB
161.8 kB
In fact, the total size of Help.nicovideo.jp main page is 654.4 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 431.7 kB which makes up the majority of the site volume.
Potential reduce by 14.3 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. This page needs HTML code to be minified as it can gain 2.4 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 14.3 kB or 73% of the original size.
Potential reduce by 1.5 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, Help Nicovideo needs image optimization as it can save up to 1.5 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 302.5 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 302.5 kB or 70% of the original size.
Potential reduce by 174.3 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. Help.nicovideo.jp needs all CSS files to be minified and compressed as it can save up to 174.3 kB or 90% of the original size.
Number of requests can be reduced by 6 (38%)
16
10
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Help 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 7 to 1 for JavaScripts and as a result speed up the page load time.
help.nicovideo.jp
545 ms
qa.nicovideo.jp
1050 ms
application-092bc3fc8c4170913d3681489cb23ed6.js
814 ms
common-ae5d3e7d2ce23150d4e4a264aa1a0886.js
387 ms
front-3106e8f2f4b725186ff40f8905729ace.js
386 ms
style.css
585 ms
style.css
648 ms
pc_style.css
440 ms
suggest.js
580 ms
load_feed.js
576 ms
icon_niconico.png
193 ms
logo.svg
406 ms
search_icon.svg
193 ms
nicohelp_feed.js
528 ms
icon_arrow_gray.png
194 ms
icon_cur.png
196 ms
analytics.js
24 ms
logo_okwave.png
194 ms
collect
24 ms
help.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 do not have all required [aria-*] attributes
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
Form elements do not have associated labels
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>).
help.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
Missing source maps for large first-party JavaScript
help.nicovideo.jp SEO score
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Help.nicovideo.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Help.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.
help.nicovideo.jp
Open Graph description is not detected on the main page of Help 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: