Nicovideo.jp - SEO Checker

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Top Technologies

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19 nicovideo.jp Last Updated: 11 months

Success 70% of passed verification steps

Warning 7% of total warning

Errors 23% of total errors, require fast action

Mobile

Performance Desktop Score 61%

Best Practices Desktop Score 85%

SEO Desktop Score 91%

Progressive Web App Desktop Score 19%

Performance Mobile Score 23%

Best Practices Mobile Score 85%

SEO Mobile Score 92%

Progressive Web App Mobile Score 33%

Page Authority Authority 0%

Domain Authority Domain Authority 0%

Moz Rank 0.0/10

Bounce Rate Rate 0%

Charset Encoding

Great, language/character encoding is specified: UTF-8

Title Tag 14 Characters

NICONICO(ニコニコ)

Meta Description 141 Characters

日本最大級の動画サービスniconico（ニコニコ）。動画にコメントを付けて楽しむニコニコ動画や、生放送番組にリアルタイムでコメントを付けられるニコニコ生放送のほか、画像・イラスト・電子書籍・マンガ・最新ニュース・ブログ・3Dコンテンツなど、エンターテイメントを全て無料で楽しめる！

Effective URL 24 Characters

https://www.nicovideo.jp

Excerpt Page content

niconico(ニコニコ) Niconico Videos ...

Keywords Cloud Density

niconico18 live12 only10 japanese9 information8 news8 content7 retrieve7 failed7 games6

Keyword Consistency Keyword density is one of the main terms in SEO

Keyword	Freq	Title	Desc	Domain	H1	H2
niconico	18
live	12
only	10
japanese	9
information	8
news	8
content	7
retrieve	7
failed	7
games	6

Google Preview Your look like this in google search result

NICONICO(ニコニコ)

https://www.nicovideo.jp

Robots.txt File Detected

http://nicovideo.jp/robots.txt

Sitemap.xml File Detected

http://nicovideo.jp/sitemap.xml

Page Size Code & Text Ratio

Document Size: ~108.24 KB

Code Size: ~102.46 KB

Text Size: ~5.78 KB Ratio: 5.34%

Estimation Traffic and Earnings

Only Registered Users

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Technologies

Apache

Web Servers

Google Tag Manager

Tag Managers

PWA - Manifest

Manifest is not valid

Your site don't have valid manifest.json, read more in Web App Manifest

Desktop

First Meaningful Paint 1.0 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 193 requests • 1,452 KB

To set budgets for the quantity and size of page resources, add a budget.json file

Serve static assets with an efficient cache policy 53 resources found

A long cache lifetime can speed up repeat visits to your page

Max Potential First Input Delay 900 ms

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task

Time to Interactive 3.7 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Network Round Trip Times 0 ms

Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

Page load is not fast enough on mobile networks Interactive on simulated mobile network at 17.7 s

A fast page load over a cellular network ensures a good mobile user experience

Estimated Input Latency 340 ms

Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy

Serve images in next-gen formats Potential savings of 250 KB

Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

User Timing marks and measures 12 user timings

Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences

Reduce server response times (TTFB) Root document took 830 ms

Time To First Byte identifies the time at which your server sends a response

Eliminate render-blocking resources Potential savings of 0 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Enable text compression Potential savings of 11 KB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes

Efficiently encode images Potential savings of 94 KB

Optimized images load faster and consume less cellular data

Minimize third-party usage Third-party code blocked the main thread for 120 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Total Blocking Time 670 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

JavaScript execution time 1.3 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Defer offscreen images Potential savings of 240 KB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Server Backend Latencies 0 ms

Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Properly size images Potential savings of 92 KB

Serve images that are appropriately-sized to save cellular data and improve load time

Speed Index 3.4 s

Speed Index shows how quickly the contents of a page are visibly populated

First CPU Idle 3.4 s

First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).

Avoids enormous network payloads Total size was 1,452 KB

Large network payloads cost users real money and are highly correlated with long load times

Minimize main-thread work 2.6 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Contentful Paint 1.0 s

First Contentful Paint marks the time at which the first text or image is painted

Avoid chaining critical requests 6 chains found

The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load

Avoid an excessive DOM size 1,167 elements

A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)

Mobile

Network Round Trip Times 0 ms

Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

Page load is not fast enough on mobile networks Interactive at 13.1 s

A fast page load over a cellular network ensures a good mobile user experience

Estimated Input Latency 60 ms

First Contentful Paint (3G) 7712 ms

First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network

Tap targets are sized appropriately 100% appropriately sized tap targets

Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements

Document uses legible font sizes 90.06% legible text

Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px

Remove unused CSS Potential savings of 23 KB

Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity

Serve images in next-gen formats Potential savings of 403 KB

Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

Avoid multiple page redirects Potential savings of 780 ms

Redirects introduce additional delays before the page can be loaded

User Timing marks and measures 12 user timings

Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences

Reduce server response times (TTFB) Root document took 1,150 ms

Time To First Byte identifies the time at which your server sends a response

Eliminate render-blocking resources Potential savings of 1,650 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Enable text compression Potential savings of 125 KB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes

Efficiently encode images Potential savings of 120 KB

Optimized images load faster and consume less cellular data

Minimize third-party usage Third-party code blocked the main thread for 130 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Total Blocking Time 620 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

Reduce JavaScript execution time 6.2 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Defer offscreen images Potential savings of 583 KB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Server Backend Latencies 0 ms

Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Properly size images Potential savings of 225 KB

Serve images that are appropriately-sized to save cellular data and improve load time

Speed Index 12.6 s

Speed Index shows how quickly the contents of a page are visibly populated

First CPU Idle 9.7 s

First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).

Avoids enormous network payloads Total size was 1,737 KB

Large network payloads cost users real money and are highly correlated with long load times

Minimize main-thread work 11.5 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Contentful Paint 3.7 s

First Contentful Paint marks the time at which the first text or image is painted

Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers

Avoid chaining critical requests 15 chains found

Avoids an excessive DOM size 734 elements

First Meaningful Paint 4.0 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 128 requests • 1,737 KB

To set budgets for the quantity and size of page resources, add a budget.json file

Serve static assets with an efficient cache policy 48 resources found

A long cache lifetime can speed up repeat visits to your page

Max Potential First Input Delay 260 ms

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task

Time to Interactive 13.1 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Speed And Optimization Tips

Only Registered Users

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server

HTTP/1.1 200 OK
Date: Tue, 24 Dec 2019 00:00:33 GMT
Server: Apache
x-niconico-authflag: 0
Set-Cookie: nicosid=1577145633.192409702; expires=Fri, 21-Dec-2029 00:00:33 GMT; Max-Age=315360000; path=/; domain=.nicovideo.jp
X-niconico-sid: 1577145633.192409702
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Content-Security-Policy: frame-ancestors 'none'
X-Frame-Options: SAMEORIGIN
Access-Control-Allow-Credentials: true
Connection: close
Content-Type: text/html; charset=UTF-8
Content-Language: ja

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	nicovideo.jp	133.152.43.29	IN	216
NS	nicovideo.jp	ns-1169.awsdns-18.org	IN	216
NS	nicovideo.jp	ns-161.awsdns-20.com	IN	216
NS	nicovideo.jp	ns-2041.awsdns-63.co.uk	IN	216
NS	nicovideo.jp	ns-788.awsdns-34.net	IN	216
TXT	nicovideo.jp	v=spf1 +ip4:133.152.0.0/17 include:spf.emailfd.nicovideo.jp include:spf.emailfd.sb.nicovideo.jp include:spf.emailfd.dev.nicovideo.jp ~all	IN	300

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19 nicovideo.jp Last Updated: 11 months

Desktop

Mobile

Estimation Traffic and Earnings

Sign up for see all features and reviews about this site

Technologies

Apache

Google Tag Manager

PWA - Manifest

Desktop

Mobile

Speed And Optimization Tips

Sign up for see all features and reviews about this site

Alexa Rank

0

Information Server

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