gred（グレッド）は、そのサイトが安全（green）か危険（red）かを判断する無料のWebチェックサービスです。

Bookmarklet is similar to bookmark, but has additional functionality to make the bookmark more powerful. You can add gred's bookmarket to ease the use of gred. While viewing any web page, you can simply click on gred bookmarklet to initiate the web check. Please give it a try. Its easy to install.

How to use gred bookmarklet

How to register bookmarket when using browser other than IE7 or IE8

Use the bookmarket button below using appropriate registration method.

For Internet Explorer6 users Right mouse click the bookmarklet. Select "add to bookmark". Internet Explorer will display an warning that this bookmark may not be safe. This is because it contains a small program, but its is safe to use. Select "Yes". The bookmarklet will be added to Internet Explorer bookmark list.

For Firefox users Right mouse click the bookmarklet. Select "add to bookmark". If you are using a Mac, you can use [control] + mouse click. The bookmarklet will be added to Firefox bookmark list.

For Safari users Drag the bookmarklet to Safari bookmark bar. The bookmarklet will be added to Safari bookmark.