2121designsight.jp

Website review 2121designsight.jp

21_21 DESIGN SIGHT

 Generated on March 07 2026 10:40 AM

Old data? UPDATE !

The score is 54/100

SEO Content

Title

21_21 DESIGN SIGHT

Length : 18

Perfect, your title contains between 10 and 70 characters.

Description

21_21 DESIGN SIGHT は、デザインを通して世界を見る場所です。 三宅一生、佐藤卓、深澤直人の３人のディレクターを中心とした、デザインのためのリサーチセンターであり、デザインについて考える場所であり、ものづくりの現場です。建築は安藤忠雄によるものです。

Length : 134

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

Keywords

企画展「クリストとジャンヌ=クロード ;quot;包まれた凱旋門;quot;」,建築,三宅一生,佐藤 卓,深澤直人,21_21DESIGN SIGHT,21_21,2121,デザイン,アート,デザインサイト,美術館,展覧会,展示,六本木

Good, your page contains meta keywords.

Og Meta Properties

This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.

Headings

H1 H2 H3 H4 H5 H6
1 9 25 26 0 0
  • [H1] 21_21 DESIGN SIGHT
  • [H2] siteNavigation
  • [H2] MENU
  • [H2] siteNavigation
  • [H2] mainImg
  • [H2] contents
  • [H2] footerCredit
  • [H2] footerInfo
  • [H2] footerLinks
  • [H2] footerBanner
  • [H3] JPN
  • [H3] ENG
  • [H3] CHN
  • [H3] INFORMATION
  • [H3] CONTACT
  • [H3] PRESS
  • [H3] RECRUIT
  • [H3] JPN
  • [H3] ENG
  • [H3] CHN
  • [H3] 21_21 DESIGN SIGHT
  • [H3] GALLERY 1 & 2
  • [H3] GALLERY 3
  • [H3] DOCUMENTS
  • [H3] INFORMATION
  • [H3] CONTACT
  • [H3] PRESS
  • [H3] RECRUIT
  • [H3] 21_21 DESIGN SIGHT
  • [H3] categoryNavigation
  • [H3] 21_21 DESIGN SIGHT
  • [H3] GALLERY 1 & 2
  • [H3] GALLERY 3
  • [H3] DOCUMENTS
  • [H3] 21_21 DESIGN SIGHT
  • [H4] ご利用案内
  • [H4] アクセス
  • [H4] 21_21 DESIGN SIGHTとは
  • [H4] パートナー
  • [H4] 21_21 NANJA MONJA
  • [H4] オリジナルグッズ
  • [H4] 21_21 クロストーク
  • [H4] ディレクターズ
  • [H4] 建築について
  • [H4] [開催中のプログラム]デザインの先生
  • [H4] 休館のお知らせ
  • [H4] [これからのプログラム]スープはいのち
  • [H4] これまでのプログラム
  • [H4] パノラマツアー
  • [H4] [これからのプログラム]Amid Impasto of Colors—積み重なる色—
  • [H4] [これからのプログラム]ガウディ：未来をひらく窓
  • [H4] ギャラリー3ご利用希望の方へ
  • [H4] ギャラリー3料金・カレンダー
  • [H4] これまでのプログラム
  • [H4] トーク「『デザインの先生』から読みとく、デザイン思想と社会形成」が開催
  • [H4] 展覧会ディレクターによるギャラリーツアーを開催
  • [H4] 多木陽介、向井知子のインタビュー映像（ロングバージョン）を公開
  • [H4] トーク「デザインの先生」を開催
  • [H4] 企画展「そのとき、どうする？展 –防災のこれからを見渡す–」の記録映像を公開
  • [H4] 「壁を装う展 – Wall Covering and Beyond」会場風景／Exhibition view of "Wall Covering and Beyond"
  • [H4] 企画展「デザインの先生」会場風景／Exhibition view of "Learning from Design Maestros"

Images

We found 35 images on this web page.

Good, most or all of your images have alt attributes.

Text/HTML Ratio

Ratio : 11%

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

Great, there are no Iframes detected on this page.

URL Rewrite

Good. Your links looks friendly!

Underscores in the URLs

Perfect! No underscores detected in your URLs.

In-page links

We found a total of 3 links including 0 link(s) to files

Anchor Type Juice
INFORMATION Internal Passing Juice
プライバシーポリシー Internal Passing Juice
特定商取引法に基づく表記 Internal Passing Juice

SEO Keywords

Keywords Cloud

もっと見る wall これからのプログラム design gallery documents 2026年3月8日 new press sight

Keywords Consistency

Keyword Content Title Keywords Description Headings
design 11
sight 6
gallery 6
new 5
もっと見る 4

Usability

Url

Domain : 2121designsight.jp

Length : 18

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 5

Encoding

Perfect. Your declared charset is UTF-8.

W3C Validity

Errors : 0

Warnings : 0

Email Privacy

Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.

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).
Too bad, your website does not take advantage of gzip.

Mobile

Mobile Optimization

Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap

Missing

Your website does not have an XML sitemap - this can be problematic.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.

Robots.txt

https://2121designsight.jp/robots.txt

Great, your website has a robots.txt file.

Analytics

Great, your website has an analytics tool.

   Google Analytics

PageSpeed Insights

Device
Categories

Free SEO Testing Tool

Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.