nicovideo.jp Website Information
Daily Unique Visits: 10,366,437
Daily Page Views: 82,931,496
Income Per Day: $82,931
Estimated Value: $89,565,480
This website is located in Japan and is using following IP address 133.152.43.29. See the complete list of popular websites hosted in Japan.
nicovideo.jp is registered under .JP top-level domain. Please check other sites in .JP zone.
Website nicovideo.jp is using the following name servers:
- ns-1169.awsdns-18.org
- ns-161.awsdns-20.com
- ns-2041.awsdns-63.co.uk
- ns-788.awsdns-34.net
and is probably hosted by DWANGO DWANGO Co.,Ltd., JP. See the full list of other websites hosted by DWANGO DWANGO Co.,Ltd., JP.
The highest website nicovideo.jp position in Alexa rank database was 70 and the lowest rank position was 769. Current position of nicovideo.jp in Alexa rank database is 147.
Desktop speed score of nicovideo.jp (67/100) is better than the results of 45.93% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of nicovideo.jp (77/100) is better than the results of 24.49% of other sites and means that the page is not mobile-friendly.
Mobile speed score of nicovideo.jp (41/100) is better than the results of 20.18% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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nicovideo.jp Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
nicovideo.jp whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information: [ドメイン情報]
[Domain Name] NICOVIDEO.JP
[登録者名] 株式会社ドワンゴ
[Registrant] Dwango co., Ltd.
[Name Server] ns-161.awsdns-20.com
[Name Server] ns-2041.awsdns-63.co.uk
[Name Server] ns-1169.awsdns-18.org
[Name Server] ns-788.awsdns-34.net
[Signing Key]
[登録年月日] 2006/12/05
[有効期限] 2021/12/31
[状態] Active
[最終更新] 2021/01/01 01:05:10 (JST)
Contact Information: [公開連絡窓口]
[名前] 株式会社ドワンゴ
[Name] Dwango co., Ltd.
[Email] domain-manage@dwango.co.jp
[Web Page]
[郵便番号] 104-0061
[住所] 東京都中央区
銀座 4-12-15
歌舞伎座タワー
[Postal Address] Chuo-ku
4-12-15 Ginza
KABUKIZA Tower
[電話番号] 03-3549-6305
[FAX番号] 03-3549-6393
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information: [ドメイン情報]
[Domain Name] NICOVIDEO.JP
[登録者名] 株式会社ドワンゴ
[Registrant] Dwango co., Ltd.
[Name Server] ns-161.awsdns-20.com
[Name Server] ns-2041.awsdns-63.co.uk
[Name Server] ns-1169.awsdns-18.org
[Name Server] ns-788.awsdns-34.net
[Signing Key]
[登録年月日] 2006/12/05
[有効期限] 2021/12/31
[状態] Active
[最終更新] 2021/01/01 01:05:10 (JST)
Contact Information: [公開連絡窓口]
[名前] 株式会社ドワンゴ
[Name] Dwango co., Ltd.
[Email] domain-manage@dwango.co.jp
[Web Page]
[郵便番号] 104-0061
[住所] 東京都中央区
銀座 4-12-15
歌舞伎座タワー
[Postal Address] Chuo-ku
4-12-15 Ginza
KABUKIZA Tower
[電話番号] 03-3549-6305
[FAX番号] 03-3549-6393
nicovideo.jp server information
Servers Location
nicovideo.jp desktop page speed rank
Last tested: 2019-12-02
Desktop Speed
Medium
67/100
nicovideo.jp Desktop Speed Test Quick Summary
priority - 21Optimize images
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priority - 16Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
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https://nicovideo.cdn.nimg.jp/uni/scripts/bundle/vendor.js?1574319999
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Optimize CSS Delivery of the following:
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priority - 8Leverage browser caching
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priority - 2Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
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Only about 7% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:
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priority - 0Minify HTML
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priority - 0Minify CSS
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nicovideo.jp Desktop Resource Breakdown
| Total Resources | 86 |
| Number of Hosts | 39 |
| Static Resources | 38 |
| JavaScript Resources | 41 |
| CSS Resources | 3 |
nicovideo.jp mobile page speed rank
Last tested: 2019-12-02
Mobile Speed
Bad
41/100
nicovideo.jp Mobile Speed Test Quick Summary
priority - 43Optimize images
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Compressing and resizing https://img.cdn.nimg.jp/s/niconews/articles/images…644a1c61e20f15b9fd29dd could save 73.7KiB (97% reduction).
Compressing and resizing https://img.cdn.nimg.jp/s/niconews/articles/images…71f46f4ff19769a3767c06 could save 30.4KiB (94% reduction).
Compressing https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…deo/66764_7be7117b.jpg could save 29.3KiB (42% reduction).
Compressing and resizing https://img.cdn.nimg.jp/s/niconews/articles/images…d54aeccc9b418de33adcd1 could save 29.1KiB (95% reduction).
Compressing and resizing https://img.cdn.nimg.jp/s/niconews/articles/images…b6354473f251293aa0864d could save 27.5KiB (93% reduction).
Compressing https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66765_a7767ea6.jpg could save 24.8KiB (40% reduction).
Compressing https://ads.nicovideo.jp/assets/images/f2/f2c8d00e…25bf4569cc9ba40ae.jpeg could save 22.5KiB (49% reduction).
Compressing https://img.cdn.nimg.jp/s/niconews/articles/images…00c12811f3d61c4f0e4b93 could save 22KiB (39% reduction).
Compressing https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66766_73ac77f7.jpg could save 12.2KiB (38% reduction).
Compressing https://img.cdn.nimg.jp/s/niconews/articles/images…1d8724c78952acf5ad96cc could save 12.2KiB (36% reduction).
Compressing https://sp.res.nimg.jp/assets/img/top/channel_logo.png could save 1.9KiB (31% reduction).
Compressing https://secure-dcdn.cdn.nimg.jp/nicogame/games/met…imestamp=1559529856000 could save 1.2KiB (32% reduction).
Compressing https://sp.res.nimg.jp/img/common/logo_nextone.png could save 1.1KiB (28% reduction).
Compressing https://nicovideo.cdn.nimg.jp/thumbnails/35909015/35909015.55835075 could save 1,008B (17% reduction).
Compressing https://sp.res.nimg.jp/img/common/logo_jasrac.png could save 960B (17% reduction).
Compressing https://nicovideo.cdn.nimg.jp/thumbnails/35957720/35957720.30739930 could save 881B (16% reduction).
Compressing https://nicovideo.cdn.nimg.jp/thumbnails/36001157/36001157.20857035 could save 660B (13% reduction).
Compressing https://nicovideo.cdn.nimg.jp/thumbnails/35979786/35979786.54624685 could save 648B (15% reduction).
Compressing https://sp.res.nimg.jp/assets/img/top/arrow.png could save 596B (41% reduction).
Compressing https://sp.res.nimg.jp/assets/img/top/noimage_newsblomaga.png could save 516B (32% reduction).
Compressing https://nicovideo.cdn.nimg.jp/thumbnails/20982791/20982791 could save 404B (13% reduction).
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://sp.res.nimg.jp/js/polyfill.min.js?v6.23.0
https://sp.res.nimg.jp/js/jquery-1.9.1.min.js
https://sp.res.nimg.jp/js/common.js?49b5c0766feb6c20eb6d8d45ad53071f
https://res.ads.nicovideo.jp/assets/js/ads2.js?ref=sp_uni_top
https://sp.res.nimg.jp/js/ads/middle_banner.js?20170223
https://sp.res.nimg.jp/js/lib/mustache.min.js
https://sp.res.nimg.jp/js/lazyimage.js
https://sp.res.nimg.jp/asset/js/chunks/0.fc0c03467988c338d7cd.min.js
https://sp.res.nimg.jp/asset/js/chunks/1.9bb4c39e1d97f2a5ccd5.min.js
https://sp.res.nimg.jp/asset/js/chunks/2.362eb2e88b3e1320f4d1.min.js
https://sp.res.nimg.jp/asset/js/main/index.da31495287ec9b94baa8.min.js
https://sp.res.nimg.jp/js/jquery-1.9.1.min.js
https://sp.res.nimg.jp/js/common.js?49b5c0766feb6c20eb6d8d45ad53071f
https://res.ads.nicovideo.jp/assets/js/ads2.js?ref=sp_uni_top
https://sp.res.nimg.jp/js/ads/middle_banner.js?20170223
https://sp.res.nimg.jp/js/lib/mustache.min.js
https://sp.res.nimg.jp/js/lazyimage.js
https://sp.res.nimg.jp/asset/js/chunks/0.fc0c03467988c338d7cd.min.js
https://sp.res.nimg.jp/asset/js/chunks/1.9bb4c39e1d97f2a5ccd5.min.js
https://sp.res.nimg.jp/asset/js/chunks/2.362eb2e88b3e1320f4d1.min.js
https://sp.res.nimg.jp/asset/js/main/index.da31495287ec9b94baa8.min.js
Optimize CSS Delivery of the following:
https://sp.res.nimg.jp/assets/common/normalize.css…9363dc014f45ef38b34229
https://sp.res.nimg.jp/assets/page/SiteWide/SiteWi…54c3274319165b2c706d4d
https://sp.res.nimg.jp/assets/page/Top/Top.css?322…2c81d6e7060dd3dce7faa4
https://sp.res.nimg.jp/assets/page/SiteWide/SiteWi…54c3274319165b2c706d4d
https://sp.res.nimg.jp/assets/page/Top/Top.css?322…2c81d6e7060dd3dce7faa4
priority - 34Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://nicovideo.jp/
https://www.nicovideo.jp/
https://sp.nicovideo.jp/
https://www.nicovideo.jp/
https://sp.nicovideo.jp/
priority - 16Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 7% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:
priority - 12Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 112.7KiB (77% reduction).
Compressing https://sp.nicovideo.jp/ could save 54.3KiB (76% reduction).
Compressing https://ssl.seiga.nicovideo.jp/api/v1/manga/pickups could save 44KiB (78% reduction).
Compressing https://d.socdm.com/adsv/v1?posall=SSPLOC&id=61597….8.0&sdktype=0&t=json3 could save 7.2KiB (83% reduction).
Compressing https://d.socdm.com/adsv/v1?posall=SSPLOC&id=61598….8.0&sdktype=0&t=json3 could save 7KiB (83% reduction).
Compressing https://sh.zucks.net/opt/json/api/v2?f=309088&rnd=148811411&sw=412&sh=732 could save 281B (27% reduction).
Compressing https://ssl.seiga.nicovideo.jp/api/v1/manga/pickups could save 44KiB (78% reduction).
Compressing https://d.socdm.com/adsv/v1?posall=SSPLOC&id=61597….8.0&sdktype=0&t=json3 could save 7.2KiB (83% reduction).
Compressing https://d.socdm.com/adsv/v1?posall=SSPLOC&id=61598….8.0&sdktype=0&t=json3 could save 7KiB (83% reduction).
Compressing https://sh.zucks.net/opt/json/api/v2?f=309088&rnd=148811411&sw=412&sh=732 could save 281B (27% reduction).
priority - 11Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://ssl.seiga.nicovideo.jp/api/v1/manga/pickups (expiration not specified)
https://static.zucks.net.zimg.jp/image/2016/09/26/…38bb7ebf2ce411c442.gif (expiration not specified)
https://secure-dcdn.cdn.nimg.jp/nicogame/games/met…imestamp=1571039524000 (87 seconds)
https://js.ptengine.jp/22c266ff.js (5 minutes)
https://js.ptengine.jp/pta.js (5 minutes)
https://j.zucks.net.zimg.jp/j?f=309088 (5 minutes)
https://js1.nend.net/js/nendAdLoader.js (5.6 minutes)
https://res.ads.nicovideo.jp/assets/js/ads2.js?ref=sp_uni_top (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-P8D…gleTagManagerDataLayer (15 minutes)
https://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://secure-dcdn.cdn.nimg.jp/nicogame/games/met…imestamp=1559529856000 (2.3 hours)
https://secure-dcdn.cdn.nimg.jp/nicogame/games/met…imestamp=1559617976000 (3.4 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35783423/35783423.22268977 (3.5 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35957720/35957720.30739930 (7.4 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35957662/35957662.88195442 (7.4 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35909015/35909015.55835075 (7.8 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35979861/35979861.64567491 (9.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66765_a7767ea6.jpg (10.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66766_73ac77f7.jpg (10.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66768_abccf23e.jpg (10.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…deo/66764_7be7117b.jpg (10.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66767_ef3d2c31.jpg (10.4 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/36001157/36001157.20857035 (10.4 hours)
https://static.zucks.net.zimg.jp/image/2016/09/26/…38bb7ebf2ce411c442.gif (expiration not specified)
https://secure-dcdn.cdn.nimg.jp/nicogame/games/met…imestamp=1571039524000 (87 seconds)
https://js.ptengine.jp/22c266ff.js (5 minutes)
https://js.ptengine.jp/pta.js (5 minutes)
https://j.zucks.net.zimg.jp/j?f=309088 (5 minutes)
https://js1.nend.net/js/nendAdLoader.js (5.6 minutes)
https://res.ads.nicovideo.jp/assets/js/ads2.js?ref=sp_uni_top (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-P8D…gleTagManagerDataLayer (15 minutes)
https://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://secure-dcdn.cdn.nimg.jp/nicogame/games/met…imestamp=1559529856000 (2.3 hours)
https://secure-dcdn.cdn.nimg.jp/nicogame/games/met…imestamp=1559617976000 (3.4 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35783423/35783423.22268977 (3.5 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35957720/35957720.30739930 (7.4 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35957662/35957662.88195442 (7.4 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35909015/35909015.55835075 (7.8 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/35979861/35979861.64567491 (9.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66765_a7767ea6.jpg (10.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66766_73ac77f7.jpg (10.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66768_abccf23e.jpg (10.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…deo/66764_7be7117b.jpg (10.4 hours)
https://secure-dcdn.cdn.nimg.jp/nicocc/wakutkool/v…end/66767_ef3d2c31.jpg (10.4 hours)
https://nicovideo.cdn.nimg.jp/thumbnails/36001157/36001157.20857035 (10.4 hours)
priority - 1Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 8KiB (12% reduction).
Minifying https://sp.nicovideo.jp/ could save 8KiB (12% reduction).
priority - 0Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 1.4KiB (34% reduction).
Minifying https://sp.res.nimg.jp/js/lazyimage.js could save 1,022B (39% reduction) after compression.
Minifying https://sp.res.nimg.jp/js/common.js?49b5c0766feb6c20eb6d8d45ad53071f could save 235B (24% reduction) after compression.
Minifying https://sp.res.nimg.jp/js/ads/middle_banner.js?20170223 could save 194B (28% reduction) after compression.
Minifying https://sp.res.nimg.jp/js/common.js?49b5c0766feb6c20eb6d8d45ad53071f could save 235B (24% reduction) after compression.
Minifying https://sp.res.nimg.jp/js/ads/middle_banner.js?20170223 could save 194B (28% reduction) after compression.
nicovideo.jp Mobile Resource Breakdown
| Total Resources | 87 |
| Number of Hosts | 30 |
| Static Resources | 58 |
| JavaScript Resources | 37 |
| CSS Resources | 4 |
nicovideo.jp mobile page usability
Last tested: 2019-12-02
Mobile Usability
Medium
77/100
nicovideo.jp Mobile Usability Test Quick Summary
priority - 29Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 1,388 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element
The element
The element
The element
The element
The element
The element
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The element
<img src="https://secure…6_73ac77f7.jpg" class="top-DailyRecom…humbnail_Image"> falls outside the viewport.The element
<div class="top-DailyRecom…b_Item_Message">ヘルエスタ王国民歓喜の再現度</div> falls outside the viewport.The element
<img src="https://secure…8_abccf23e.jpg" class="top-DailyRecom…humbnail_Image"> falls outside the viewport.The element
<span class="top-DailyRecom…humbnail_Label">ゲーム</span> falls outside the viewport.The element
<div class="top-DailyRecom…b_Item_Message">VTuberの女性声優と共同生活を送ることに…!?</div> falls outside the viewport.The element
<img src="https://nicovi…57720.30739930" class="siteWide-Video…humbnail_Image"> falls outside the viewport.The element
<div class="siteWide-Video…tem_Meta_Title">【録画放送】第172回国営放送</div> falls outside the viewport.The element
<img src="https://nicovi…09015.55835075" class="siteWide-Video…humbnail_Image"> falls outside the viewport.The element
<div class="siteWide-Video…tem_Meta_Title">【オリジナルMV】『Spla…みた【ver.鱈夢汚雲利松】</div> falls outside the viewport.The element
<img src="https://nicovi…83423.22268977" class="siteWide-Video…humbnail_Image"> falls outside the viewport.The element
<div class="siteWide-Video…tem_Meta_Title">旗揚！けものみち 第1話「レスラー×召喚」</div> falls outside the viewport.The element
<img src="https://nicovi…79786.54624685" class="siteWide-Video…humbnail_Image"> falls outside the viewport.The element
<div class="siteWide-Video…tem_Meta_Title">ぼくたちは勉強ができない！…［ｘ］の流れは絶えずして…」</div> falls outside the viewport.The element
<img src="https://nicovi…57662.88195442" class="siteWide-Video…humbnail_Image"> falls outside the viewport.The element
<div class="siteWide-Video…tem_Meta_Title">渡部「女の子みたいだろ？」児嶋「信玄誠司ちゃんが！？」</div> falls outside the viewport.The element
<img src="https://nicovi…01157.20857035" class="siteWide-Video…humbnail_Image"> falls outside the viewport.The element
<div class="siteWide-Video…tem_Meta_Title">本好きの下剋上 司書になるた…ん 第八章『ルッツのマイン』</div> falls outside the viewport.The element
<span class="siteWide-LiveC…humbnail_Image"> falls outside the viewport.The element
<div class="siteWide-LiveC…tem_Meta_Title"> falls outside the viewport.The element
<div class="top-Manga_Thumbnail"></div> falls outside the viewport.The element
<div class="top-Manga_Meta_Message"> falls outside the viewport.The element
<div class="top-NAnime_Content"></div> falls outside the viewport.The element
<span class="siteWide-LiveC…humbnail_Image"> falls outside the viewport.The element
<div class="siteWide-LiveC…tem_Meta_Title"> falls outside the viewport.The element
<div class="siteWide-GameC…Item_Thumbnail"> falls outside the viewport.The element
<div class="siteWide-GameC…tem_Meta_Title">【島生活SLG】ぼくらのアイランド(v8.06)</div> falls outside the viewport.The element
<div class="siteWide-GameC…Item_Thumbnail"> falls outside the viewport.The element
<div class="siteWide-GameC…tem_Meta_Title">【ver1.02】レベル上げにちょうどいい島</div> falls outside the viewport.The element
<div class="siteWide-GameC…Item_Thumbnail"> falls outside the viewport.The element
<div class="siteWide-GameC…tem_Meta_Title">【クリッカーRPG】VTuberあつめ～る！【v1.02】</div> falls outside the viewport.priority - 0Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
The tap target
<a href="https://haresu…ref=top_enjoys" class="top-Enjoy_ItemRow_Item_Link"></a> and 1 others are close to other tap targets.The tap target
<button class="top-Enjoy_ExpandButton"> is close to 2 other tap targets.nicovideo.jp HTML validation
Errors
Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.
Line: 37 Column: 15 - 85
"... <link rel="alternate" media="handheld" href="http://m.nicovideo.jp/" /> ..."
"... <link rel="alternate" media="handheld" href="http://m.nicovideo.jp/" /> ..."
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Line: 139 Column: 403 - 443
"...</li></ul><form action="" class="CrossSearch-form"><input..."
"...</li></ul><form action="" class="CrossSearch-form"><input..."
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Line: 663 Column: - 6
"...an>コメント！！ <?xml version="1..."
"...an>コメント！！ <?xml version="1..."
Warnings
The “type” attribute is unnecessary for JavaScript resources.
Line: 43 Column: 11 - 41
"... <script type="text/javascript"> try..." Line: 91 Column: 5 - 35
"..."> <script type="text/javascript"> ..." Line: 3328 Column: 5 - 112
".../div> <script type="text/javascript" charset="utf-8" src="https://res.ads.nicovideo.jp/assets/js/ads2.js?ref=www"></scri..."
"... <script type="text/javascript"> try..." Line: 91 Column: 5 - 35
"..."> <script type="text/javascript"> ..." Line: 3328 Column: 5 - 112
".../div> <script type="text/javascript" charset="utf-8" src="https://res.ads.nicovideo.jp/assets/js/ads2.js?ref=www"></scri..."
The “type” attribute for the “style” element is not needed and should be omitted.
Line: 96 Column: 5 - 27
"...ript> <style type="text/css"> <..."
"...ript> <style type="text/css"> <..."
The “charset” attribute on the “script” element is obsolete.
Line: 3328 Column: 5 - 112
".../div> <script type="text/javascript" charset="utf-8" src="https://res.ads.nicovideo.jp/assets/js/ads2.js?ref=www"></scri..." Line: 3329 Column: 5 - 105
"...ript> <script charset="utf-8" src="https://nicovideo.cdn.nimg.jp/uni/scripts/bundle/vendor.js?1596780074" ></scri..." Line: 3330 Column: 5 - 117
"...ript> <script charset="utf-8" src="https://nicovideo.cdn.nimg.jp/uni/scripts/bundle/layouts_BaseLayout.js?1596780072" ></scri..." Line: 3334 Column: 3 - 78
"... <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></scri..." Line: 3335 Column: 3 - 124
"...script> <script charset="utf-8" src="https://nicovideo.cdn.nimg.jp/uni/scripts/bundle/pages_index_ChokaigiTopPage.js?1596800055" ></scri..."
".../div> <script type="text/javascript" charset="utf-8" src="https://res.ads.nicovideo.jp/assets/js/ads2.js?ref=www"></scri..." Line: 3329 Column: 5 - 105
"...ript> <script charset="utf-8" src="https://nicovideo.cdn.nimg.jp/uni/scripts/bundle/vendor.js?1596780074" ></scri..." Line: 3330 Column: 5 - 117
"...ript> <script charset="utf-8" src="https://nicovideo.cdn.nimg.jp/uni/scripts/bundle/layouts_BaseLayout.js?1596780072" ></scri..." Line: 3334 Column: 3 - 78
"... <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></scri..." Line: 3335 Column: 3 - 124
"...script> <script charset="utf-8" src="https://nicovideo.cdn.nimg.jp/uni/scripts/bundle/pages_index_ChokaigiTopPage.js?1596800055" ></scri..."
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nicovideo.jp Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
nicovideo.jp TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.