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nicovideo.jp

Website review nicovideo.jp

 Generated on January 17 2017 04:21 AM

Old statistics? UPDATE !


The score is 38/100

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SEO Content
Title

niconico



Length : 8

Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description

niconicoはドワンゴが運営する日本最大級の動画サービスです。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・電子書籍を楽しむニコニコ静画など、ゲームや音楽、エンターテイメントは全てniconicoで！



Length : 144

Great, your meta description contains between 70 and 160 characters.
Keywords



Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties Good, your page take advantage of Og Properties.
Property Content
title niconico
type website
description ドワンゴが運営する投稿動画配信サービス。コメント機能やタグ機能。アニメやニュース番組も配信。
url http://www.nicovideo.jp/
image http://uni.res.nimg.jp/img/zero_index/ogp.png
site_name niconico
Headings
H1 H2 H3 H4 H5 H6
2 1 11 8 3 0
  • [H1] niconico
  • [H1] niconico
  • [H2] 2017.01.17のオススメ
  • [H3] イベント
  • [H3] 話題の動画
  • [H3] ユーザーが宣伝している動画
  • [H3] ゲーム投稿サービス「RPGアツマール」でゲーム制作を支援する企画がスタート
  • [H3] 闘会議2017で体験できるNintendo Switchタイトルが『ゼルダの伝説　ブレス オブ ザ ワイルド』、『1-2-Switch』、『ARMS』に決定！
  • [H3] ドワンゴ、みんなの競走馬を育てていく「リアルダービースタリオン」がついに始 動！　初回放送はニコニコユーザーの投票で繁殖牝馬を決定
  • [H3] センター試験解いてみた2017、N高が試験当日に6科目ライブ解説
  • [H3] シド、約1年ぶりとなるニコ生で“新年会特番”放送決定
  • [H3] niconicoについて
  • [H3] お知らせ
  • [H3] お問い合わせ
  • [H4] ニコニコニュース
  • [H4] ブロマガ
  • [H4] 話題の静画
  • [H4] ニコニコからのお知らせ
  • [H4] ニコニコ本社からのお知らせ
  • [H4] 各種チケット発売中
  • [H4] 掲載記事・サイト紹介
  • [H4] リアルイベント情報
  • [H5] コンテンツ
  • [H5] サービス一覧
  • [H5] 他デバイス一覧
Images We found 72 images on this web page.

59 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio Ratio : 10%

This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash Perfect, no Flash content has been detected on this page.
Iframe Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.

URL Rewrite Bad. Your links have query string.
Underscores in the URLs We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links We found a total of 254 links including 1 link(s) to files



Anchor Type Juice
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SEO Keywords
Keywords Cloud 生放送 トキエンタブロマガ イラスト アルファルファモ コメント niconico 無題のドキュメント ブロマガ記事一覧 ツイート ログイン
Keywords Consistency
Keyword Content Title Keywords Description Headings
コメント 7
アルファルファモ 6
無題のドキュメント 5
ツイート 5
イラスト 4

Usability
Url Domain : nicovideo.jp
Length : 12
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is ja.
Dublin Core This page does not take advantage of Dublin Core.

Document
Doctype HTML 4.01 Transitional
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 126
Warnings : 10
Email Privacy Great no email address has been found in plain text!
Deprecated HTML Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Too bad, your website has too many CSS files (more than 4).
Too bad, your website has too many JS files (more than 6).
Perfect, your website takes advantage of gzip.

Mobile
Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content

Optimization
XML Sitemap Great, your website has an XML sitemap.

http://nicovideo.jp/sitemap.xml
Robots.txt http://nicovideo.jp/robots.txt

Great, your website has a robots.txt file.
Analytics Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.

PageSpeed Insights

50 / 100    Speed
  Should Fix:
Avoid 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/
  • http://www.nicovideo.jp/
  • http://sp.nicovideo.jp/
Show how to fix
Enable 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 142KiB (67% reduction).

  • Compressing http://sp.nicovideo.jp/ could save 31.2KiB (79% reduction).
  • Compressing http://js.ptengine.jp/22c266ff.js could save 29KiB (65% reduction).
  • Compressing https://secure-ds.serving-sys.com/BurstingScript/ebPreServing.js could save 25.8KiB (72% reduction).
  • Compressing http://spad.i-mobile.co.jp/script/adssp.js?20110215 could save 18.9KiB (58% reduction).
  • Compressing http://ssp-bidder.i-mobile.co.jp/script/sspcore_spot.js?20130501 could save 15.3KiB (67% reduction).
  • Compressing http://optimized-by.rubiconproject.com/a/11582/78370/398382-15.js?&cb=0.7941377211827785&tk_st=1&rf=http%3A//sp.nicovideo.jp/&rp_s=l&p_screen_res=412x732&ad_slot=78370_15 could save 6KiB (60% reduction).
  • Compressing https://secure-ds.serving-sys.com/BurstingScript/EBLoader.js could save 4KiB (65% reduction).
  • Compressing http://ads.nicovideo.jp/assets/js/adsSimple-1.3.0.min.js could save 3.4KiB (62% reduction).
  • Compressing http://spad.i-mobile.co.jp/script/adcore.js?20110201 could save 2.9KiB (58% reduction).
  • Compressing http://spad.i-mobile.co.jp/script/adcore_sp_inline-0.2.js?20110201 could save 1.9KiB (60% reduction).
  • Compressing http://spad.i-mobile.co.jp/script/adcomp_sp.js?20110201 could save 1.2KiB (64% reduction).
  • Compressing http://notification.nicovideo.jp/res/notify.js could save 1.2KiB (53% reduction).
  • Compressing http://js.ptengine.jp/pta.js could save 680B (57% reduction).
  • Compressing https://secure-ds.serving-sys.com/BurstingRes/Site-43863/Type-36/39488871/19715a16-5ae2-4eca-840b-82dbfc8fa3fe/13668_1/136688092.json could save 599B (52% reduction).
Show how to fix
Leverage 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:

  • http://ads.nicovideo.jp/assets/js/adsSimple-1.3.0.min.js (expiration not specified)
  • http://afs.adjust-net.jp/adserver/sp/ads.js (expiration not specified)
  • http://cdn.optimizely.com/js/1252970284.js (2.1 minutes)
  • http://p.news.nimg.jp/photo/527/2287527t.jpg (3 minutes)
  • https://js1.nend.net/js/nendAdLoader.js (8.1 minutes)
  • http://c.betrad.com/a/n/1839/15932.js (10 minutes)
  • http://embed.enquete.nicovideo.jp/static/js/enquete.js (10 minutes)
  • https://mb.moatads.com/s.js?callback=MoatHandleJsonpResponse_3797411&confidence=2&url=http%3A%2F%2Fsp.nicovideo.jp%2F&level1=649436&level2=Xaxis&level3=18100350&level4=-&pcode=msjagbs367348441084& (15 minutes)
  • http://c.betrad.com/a/4.gif (60 minutes)
  • http://c.betrad.com/geo/ba.js?d803588 (60 minutes)
  • http://c.betrad.com/icon/box_77_top-right.png (60 minutes)
  • http://c.betrad.com/icon/c_30_us.png (60 minutes)
  • http://gum.criteo.com/sync?c=2&r=2&j=rp_onUserIdLoaded_398382_15 (60 minutes)
  • http://jpmarket-d.openx.net/mw/1.0/jstag (60 minutes)
  • http://js.ptengine.jp/22c266ff.js (60 minutes)
  • http://js.ptengine.jp/pta.js (60 minutes)
  • http://js.ptengine.jp/pts.js (60 minutes)
  • https://c.betrad.com/surly.js (60 minutes)
  • http://ads.rubiconproject.com/ad/11582.js (2.9 hours)
  • https://z.moatads.com/msjagbs367348441084/moatad.js (2.9 hours)
  • https://oo.moatads.com/msjagbs367348441084/bs.js (9.3 hours)
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 10 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

  • http://sp.res.nimg.jp/js/jquery-1.9.1.min.js
  • http://sp.res.nimg.jp/js/nicoapi.js?747e620179aac500bd33d22d030d1bac
  • http://sp.res.nimg.jp/js/common.js?a1e6006aa2ff53ecfa47f237af6a755a
  • http://sp.res.nimg.jp/js/jquery.showMenu.js
  • http://ads.nicovideo.jp/assets/js/adsSimple-1.3.0.min.js
  • http://sp.res.nimg.jp/js/lib/react-15.0.1.min.js
  • http://sp.res.nimg.jp/js/lib/react-dom-15.0.1.min.js
  • http://sp.res.nimg.jp/js/ads/middle_banner.js
  • http://sp.res.nimg.jp/js/lib/mustache.min.js
  • http://cdn.optimizely.com/js/1252970284.js

Optimize CSS Delivery of the following:

  • http://sp.res.nimg.jp/css/reset.css?aa2f45e363fce97db5956a68bc2e5173
  • http://sp.res.nimg.jp/css/common.css?49812b123877c08719155a2a8f67faf7
  • http://sp.res.nimg.jp/css/site_header.css?77c2e141a6820f65db1c35880c8660ec
  • http://sp.res.nimg.jp/css/personal_frame.css?7a84a51b3f70daa535eb2b882d7365e9
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 208KiB (51% reduction).

  • Compressing http://sp.res.nimg.jp/img/uploader/plan/specialpickup/chokaigi170117li%20ve_sp.jpg could save 55.2KiB (59% reduction).
  • Compressing http://sp.res.nimg.jp/img/uploader/pickupselection/food_roastbeefdon_sp.jpg could save 28.6KiB (75% reduction).
  • Compressing http://sp.res.nimg.jp/img/uploader/plan/specialpickup/tokaigi2017cd_170117_sp.jpg could save 13.6KiB (29% reduction).
  • Compressing http://icon.nimg.jp/channel/ch2628485.jpg?1484277144 could save 12.4KiB (69% reduction).
  • Compressing http://icon.nimg.jp/community/350/co3501097.jpg?1482978129 could save 12.4KiB (70% reduction).
  • Compressing http://icon.nimg.jp/channel/ch2628131.jpg?1484208380 could save 12.3KiB (69% reduction).
  • Compressing http://nl.simg.jp/img/a340/1018495.60a40b.jpg could save 10.4KiB (48% reduction).
  • Compressing http://icon.nimg.jp/community/132/co1323659.jpg?1484156280 could save 10.1KiB (67% reduction).
  • Compressing http://icon.nimg.jp/channel/ch2628841.jpg?1484279706 could save 9.3KiB (68% reduction).
  • Compressing http://nl.simg.jp/img/a359/1076373.bd83a1.jpg could save 7.5KiB (34% reduction).
  • Compressing http://sp.res.nimg.jp/img/uploader/pickupselection/masamune170117so.jpg could save 5KiB (39% reduction).
  • Compressing http://tn-skr2.smilevideo.jp/smile?i=30423397 could save 4.3KiB (56% reduction).
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  • Compressing http://sp.res.nimg.jp/img/uploader/pickupselection/akitainu170117sp.jpg could save 2.8KiB (41% reduction).
  • Compressing http://sp.res.nimg.jp/img/common/snsbtn_twitter.png could save 1.8KiB (23% reduction).
  • Compressing http://sp.res.nimg.jp/img/common/snsbtn_facebook.png could save 1.7KiB (23% reduction).
  • Compressing http://sp.res.nimg.jp/img/site_header/hd_logo.png could save 1.7KiB (35% reduction).
  • Compressing http://nl.simg.jp/img/a365/1093984.2d2a7f.jpg could save 1.6KiB (25% reduction).
  • Compressing https://secure-ds.serving-sys.com/BurstingRes/Site-43863/Type-0/89135680-a749-4399-ae4f-66f7fd258819.png could save 1.3KiB (43% reduction).
  • Compressing http://sp.res.nimg.jp/img/site_header/hd_search.png could save 1.2KiB (56% reduction).
  • Compressing http://sp.res.nimg.jp/img/site_header/hd_menu.png could save 1.2KiB (52% reduction).
  • Compressing http://ads.nicovideo.jp/assets/images/e6/e6f55b9ebeab9c75226b6526a7918ac2.png could save 1.1KiB (33% reduction).
  • Compressing http://sp.res.nimg.jp/img/common/logo_jasrac.png could save 960B (17% reduction).
  • Compressing http://sp.res.nimg.jp/img/index/icon_4.png could save 890B (86% reduction).
  • Compressing http://sp.res.nimg.jp/img/index/icon_3.png could save 889B (75% reduction).
  • Compressing http://sp.res.nimg.jp/img/index/icon_2.png could save 888B (72% reduction).
  • Compressing http://sp.res.nimg.jp/img/index/icon_1.png could save 871B (66% reduction).
  • Compressing http://tn-skr2.smilevideo.jp/smile?i=30436245 could save 850B (17% reduction).
  • Compressing http://sp.res.nimg.jp/img/category/g_other.png could save 619B (42% reduction).
  • Compressing http://tn-skr1.smilevideo.jp/smile?i=30299828 could save 537B (13% reduction).
Show how to fix
  Consider Fixing:
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 1.9KiB (18% reduction).

  • Minifying http://sp.res.nimg.jp/css/common.css?49812b123877c08719155a2a8f67faf7 could save 1.9KiB (18% reduction) after compression.
Show how to fix
Minify 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 7.4KiB (16% reduction).

  • Minifying http://sp.nicovideo.jp/ could save 6.5KiB (17% reduction).
  • Minifying http://tap2-cdn.rubiconproject.com/partner/scripts/rubicon/emily.html?pc=11582/78370&geo=na&co=us could save 864B (11% reduction) after compression.
Show how to fix
Minify 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 1.5KiB (31% reduction).

  • Minifying https://secure-ds.serving-sys.com/BurstingRes/CustomScripts/OAD_Comscore_NoID2.js?adid=39564435&scriptURL=https://sb.voicefive.com/c2/6035442/rs.js%23c1%3D3%26c3%3D649436%26c4%3D39564435136688092%26c5%3D18100350%26c6%3D%26c10%3D1%26c11%3DXaxis%26c12%3Dp346363172%26c13%3D300x250%26c16%3Dszk%26 could save 873B (35% reduction) after compression.
  • Minifying https://secure-ds.serving-sys.com/BurstingRes/Site-43863/WSFolders/7914279//js/script.js could save 663B (28% reduction) after compression.
Show how to fix
  2 Passed Rules
Show details
Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.

99 / 100    User Experience
  Consider Fixing:
Size 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 <div id="ebDiv7264802092686296"></div> is close to 2 other tap targets.
  • The tap target <div id="btn_legal">Legal</div> is close to 1 other tap targets.
  • The tap target <div class="mainClickthru"> is close to 1 other tap targets.
  • The tap target <a href="http://sp.nico…ode=pc&amp;uri=%2F">PC表示に切り替え</a> is close to 1 other tap targets.
  • The tap target <a href="https://accoun…deo&amp;sub=footer">新規会員登録</a> is close to 1 other tap targets.
Show how to fix
  4 Passed Rules
Show details
Avoid plugins

Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.

Configure the viewport

Your page specifies a viewport matching the device's size, which allows it to render properly on all devices. Learn more about configuring viewports.

Size content to viewport

The contents of your page fit within the viewport. Learn more about sizing content to the viewport.

Use legible font sizes

The text on your page is legible. Learn more about using legible font sizes.

59 / 100    Speed
  Should Fix:
Enable 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 265.2KiB (70% reduction).

  • Compressing http://uni.res.nimg.jp/js/lib/jquery/jquery-1.6.1.min.js?110705 could save 58KiB (64% reduction).
  • Compressing http://ads.nicovideo.jp/assets/js/ads-2.17.2.min.js could save 42.7KiB (72% reduction).
  • Compressing http://uni.res.nimg.jp/js/nicolib/SuggestSearch/nicolib-SuggestSearch.js?161031 could save 41.2KiB (75% reduction).
  • Compressing http://uni.res.nimg.jp/js/lib/prototype.js?1.5.1.1_2 could save 40.9KiB (71% reduction).
  • Compressing http://uni.res.nimg.jp/js/nicoheader/nicolib-CommonNotificationHeader.js?150618 could save 26.1KiB (78% reduction).
  • Compressing http://uni.res.nimg.jp/js/ads.js?110531 could save 18KiB (75% reduction).
  • Compressing http://uni.res.nimg.jp/js/__utm.js?110928 could save 11.4KiB (69% reduction).
  • Compressing http://uni.res.nimg.jp/js/nicoheader/siteHeader.js?150728 could save 6.9KiB (71% reduction).
  • Compressing http://uni.res.nimg.jp/js/nicolib.js?150128 could save 5.2KiB (67% reduction).
  • Compressing http://uni.res.nimg.jp/js/swfobject.js?5 could save 4.4KiB (66% reduction).
  • Compressing http://uni.res.nimg.jp/js/setcountry.js?121121 could save 4KiB (77% reduction).
  • Compressing http://uni.res.nimg.jp/js/daily_topics/contentslide.js?120822 could save 2.7KiB (66% reduction).
  • Compressing http://notification.nicovideo.jp/res/notify.js?140901 could save 1.2KiB (53% reduction).
  • Compressing http://uni.res.nimg.jp/js/index_overseas.js?121101 could save 1KiB (54% reduction).
  • Compressing http://uni.res.nimg.jp/js/base.js?120501 could save 773B (54% reduction).
  • Compressing http://uni.res.nimg.jp/js/common.js?110215 could save 678B (53% reduction).
Show how to fix
Leverage 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:

  • http://ads.nicovideo.jp/assets/js/ads-2.17.2.min.js (expiration not specified)
  • http://cdn.optimizely.com/js/1252970284.js (2.1 minutes)
  • http://embed.enquete.nicovideo.jp/static/js/enquete.js (10 minutes)
  • http://uni.res.nimg.jp//img/index_overseas/bnr/bnr_psvita_us.jpg (20 minutes)
  • http://uni.res.nimg.jp/css/base/site_header_extension.css?161128 (20 minutes)
  • http://uni.res.nimg.jp/css/index_overseas.css?150226 (20 minutes)
  • http://uni.res.nimg.jp/css/ini.css?121017 (20 minutes)
  • http://uni.res.nimg.jp/css/setcountry.css?121017 (20 minutes)
  • http://uni.res.nimg.jp/css/theme/zero_default.css?131206 (20 minutes)
  • http://uni.res.nimg.jp/css/timeshift.css?120401 (20 minutes)
  • http://uni.res.nimg.jp/css/zero_common.css?161222 (20 minutes)
  • http://uni.res.nimg.jp/css/zero_index.css?161124 (20 minutes)
  • http://uni.res.nimg.jp/img/base/foot/arrow_default.png (20 minutes)
  • http://uni.res.nimg.jp/img/base/foot/bg_footbtn.png (20 minutes)
  • http://uni.res.nimg.jp/img/base/foot/icon_arrow_gray.png (20 minutes)
  • http://uni.res.nimg.jp/img/base/foot/icon_langselector.png (20 minutes)
  • http://uni.res.nimg.jp/img/base/foot/logo_jasrac.png (20 minutes)
  • http://uni.res.nimg.jp/img/index_overseas/top_baloon_cur.png (20 minutes)
  • http://uni.res.nimg.jp/img/index_overseas/trendy_tags_icon.png (20 minutes)
  • http://uni.res.nimg.jp/img/zero_index/icon_cur.png (20 minutes)
  • http://uni.res.nimg.jp/img/zero_index/icon_new.png (20 minutes)
  • http://uni.res.nimg.jp/img/zero_index/logo.png (20 minutes)
  • http://uni.res.nimg.jp/img/zero_index/theme/default/icon.png (20 minutes)
  • http://uni.res.nimg.jp/img/zero_index/theme/default/icon_cur.png (20 minutes)
  • http://uni.res.nimg.jp/img/zero_index/theme/default/icon_svc.png (20 minutes)
  • http://uni.res.nimg.jp/img/zero_index/to_member_en-us.png?130702 (20 minutes)
  • http://uni.res.nimg.jp/js/__utm.js?110928 (20 minutes)
  • http://uni.res.nimg.jp/js/ads.js?110531 (20 minutes)
  • http://uni.res.nimg.jp/js/base.js?120501 (20 minutes)
  • http://uni.res.nimg.jp/js/common.js?110215 (20 minutes)
  • http://uni.res.nimg.jp/js/daily_topics/contentslide.js?120822 (20 minutes)
  • http://uni.res.nimg.jp/js/index_overseas.js?121101 (20 minutes)
  • http://uni.res.nimg.jp/js/lib/jquery/jquery-1.6.1.min.js?110705 (20 minutes)
  • http://uni.res.nimg.jp/js/lib/prototype.js?1.5.1.1_2 (20 minutes)
  • http://uni.res.nimg.jp/js/nicoheader/nicolib-CommonNotificationHeader.js?150618 (20 minutes)
  • http://uni.res.nimg.jp/js/nicoheader/resources/nicolib-CommonNotificationHeader.css?141023 (20 minutes)
  • http://uni.res.nimg.jp/js/nicoheader/resources/siteHeader.css?150323 (20 minutes)
  • http://uni.res.nimg.jp/js/nicoheader/siteHeader.js?150728 (20 minutes)
  • http://uni.res.nimg.jp/js/nicolib.js?150128 (20 minutes)
  • http://uni.res.nimg.jp/js/nicolib/SuggestSearch/nicolib-SuggestSearch.js?161031 (20 minutes)
  • http://uni.res.nimg.jp/js/setcountry.js?121121 (20 minutes)
  • http://uni.res.nimg.jp/js/swfobject.js?5 (20 minutes)
  • http://platform.twitter.com/widgets.js (30 minutes)
  • http://www.google-analytics.com/ga.js (2 hours)
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 15 blocking script resources and 10 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

  • http://uni.res.nimg.jp/js/lib/prototype.js?1.5.1.1_2
  • http://uni.res.nimg.jp/js/common.js?110215
  • http://uni.res.nimg.jp/js/swfobject.js?5
  • http://uni.res.nimg.jp/js/nicolib.js?150128
  • http://uni.res.nimg.jp/js/ads.js?110531
  • http://ads.nicovideo.jp/assets/js/ads-2.17.2.min.js
  • http://uni.res.nimg.jp/js/__utm.js?110928
  • http://uni.res.nimg.jp/js/base.js?120501
  • http://uni.res.nimg.jp/js/lib/jquery/jquery-1.6.1.min.js?110705
  • http://uni.res.nimg.jp/js/daily_topics/contentslide.js?120822
  • http://uni.res.nimg.jp/js/index_overseas.js?121101
  • http://uni.res.nimg.jp/js/nicolib/SuggestSearch/nicolib-SuggestSearch.js?161031
  • http://uni.res.nimg.jp/js/setcountry.js?121121
  • http://uni.res.nimg.jp/js/nicoheader/siteHeader.js?150728
  • http://uni.res.nimg.jp/js/nicoheader/nicolib-CommonNotificationHeader.js?150618

Optimize CSS Delivery of the following:

  • http://uni.res.nimg.jp/css/ini.css?121017
  • http://uni.res.nimg.jp/css/zero_common.css?161222
  • http://uni.res.nimg.jp/css/zero_index.css?161124
  • http://uni.res.nimg.jp/css/timeshift.css?120401
  • http://uni.res.nimg.jp/css/theme/zero_default.css?131206
  • http://uni.res.nimg.jp/css/index_overseas.css?150226
  • http://uni.res.nimg.jp/css/setcountry.css?121017
  • http://uni.res.nimg.jp/js/nicoheader/resources/siteHeader.css?150323
  • http://uni.res.nimg.jp/css/base/site_header_extension.css?161128
  • http://uni.res.nimg.jp/js/nicoheader/resources/nicolib-CommonNotificationHeader.css?141023
Show how to fix
  Consider Fixing:
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 2.6KiB (20% reduction).

  • Minifying http://uni.res.nimg.jp/css/zero_index.css?161124 could save 2KiB (20% reduction) after compression.
  • Minifying http://uni.res.nimg.jp/css/index_overseas.css?150226 could save 585B (20% reduction) after compression.
Show how to fix
Minify 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 56.3KiB (37% reduction).

  • Minifying http://uni.res.nimg.jp/js/nicolib/SuggestSearch/nicolib-SuggestSearch.js?161031 could save 28.3KiB (51% reduction).
  • Minifying http://uni.res.nimg.jp/js/nicoheader/nicolib-CommonNotificationHeader.js?150618 could save 12.8KiB (39% reduction).
  • Minifying http://uni.res.nimg.jp/js/ads.js?110531 could save 4.1KiB (18% reduction).
  • Minifying http://uni.res.nimg.jp/js/__utm.js?110928 could save 3KiB (19% reduction).
  • Minifying http://uni.res.nimg.jp/js/nicoheader/siteHeader.js?150728 could save 2.6KiB (27% reduction).
  • Minifying http://uni.res.nimg.jp/js/setcountry.js?121121 could save 1.9KiB (38% reduction).
  • Minifying http://uni.res.nimg.jp/js/nicolib.js?150128 could save 1.7KiB (23% reduction).
  • Minifying http://uni.res.nimg.jp/js/daily_topics/contentslide.js?120822 could save 1.3KiB (33% reduction).
  • Minifying http://uni.res.nimg.jp/js/base.js?120501 could save 529B (38% reduction).
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 66.7KiB (48% reduction).

  • Compressing http://tn-skr2.smilevideo.jp/smile?i=30450509 could save 22.4KiB (78% reduction).
  • Compressing http://tn-skr2.smilevideo.jp/smile?i=30450689 could save 18.1KiB (78% reduction).
  • Compressing http://uni.res.nimg.jp//img/index_overseas/bnr/bnr_psvita_us.jpg could save 12.4KiB (60% reduction).
  • Compressing http://uni.res.nimg.jp/img/zero_index/theme/default/icon_svc.png could save 1.8KiB (42% reduction).
  • Compressing http://uni.res.nimg.jp/img/zero_index/theme/default/icon.png could save 997B (62% reduction).
  • Compressing http://uni.res.nimg.jp/img/base/foot/bg_footbtn.png could save 906B (88% reduction).
  • Compressing and resizing http://uni.res.nimg.jp/img/base/foot/logo_jasrac.png could save 886B (34% reduction).
  • Compressing http://uni.res.nimg.jp/img/base/foot/icon_arrow_gray.png could save 882B (65% reduction).
  • Compressing http://uni.res.nimg.jp/img/base/foot/arrow_default.png could save 877B (87% reduction).
  • Compressing http://tn-skr3.smilevideo.jp/smile?i=30005298 could save 855B (14% reduction).
  • Compressing http://tn-skr2.smilevideo.jp/smile?i=30421013 could save 710B (16% reduction).
  • Compressing http://tn-skr3.smilevideo.jp/smile?i=19157950 could save 706B (16% reduction).
  • Compressing http://tn-skr3.smilevideo.jp/smile?i=30437666 could save 664B (18% reduction).
  • Compressing http://tn-skr3.smilevideo.jp/smile?i=30297338 could save 646B (12% reduction).
  • Compressing http://tn-skr4.smilevideo.jp/smile?i=20406651 could save 627B (12% reduction).
  • Compressing http://tn-skr4.smilevideo.jp/smile?i=30443211 could save 609B (15% reduction).
  • Compressing http://tn-skr2.smilevideo.jp/smile?i=27556809 could save 596B (16% reduction).
  • Compressing http://tn-skr1.smilevideo.jp/smile?i=30431524 could save 595B (15% reduction).
  • Compressing http://tn-skr2.smilevideo.jp/smile?i=10860189 could save 586B (12% reduction).
  • Compressing http://tn-skr2.smilevideo.jp/smile?i=19650589 could save 580B (12% reduction).
  • Compressing http://tn-skr4.smilevideo.jp/smile?i=30447943 could save 570B (15% reduction).
Show how to fix
  4 Passed Rules
Show details
Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Minify HTML

Your HTML is minified. Learn more about minifying HTML.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.

* The results are cached for 30s. If you have made changes to your page, please wait for 30s before re-running the test.

Site Desk