NOSNIPPET metatag test page

REP (Robots Exclusion Protocol)

Prevent or remove snippets

A snippet is a text excerpt that appears below a page's title in our search
results and describes the content of the page.
To prevent Google from displaying snippets for your page, place this tag in
the <HEAD> section of your page:

<META NAME="GOOGLEBOT" CONTENT="NOSNIPPET"> 

Note: Removing snippets also removes cached pages.

Google Webmaster Help Center

http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=35304

Google (Googlebot) ... supported
Yahoo! (Slurp) ... not supported yet
Microsoft Live Search (MSNBot)... not supported yet
Ask.com (Teoma) ... supported

Another test page:

http://nrtests.com/indexing/nosnippet.html (only googlebot)
http://www.searchtools.com/test/robots/meta-nosnippet.html
http://lhsp.s206.xrea.com/misc/meta-NOSNIPPET.html

検索エンジンクローラー向けのロボット排除プロトコル（REP）、メタタグ「NOSNIPPET」の実験ページ。タイトル下のサイト説明文はGoogleは「スニペット」、Yahoo!は「サマリー」。

NOSNIPPET META test...