From Seo Wiki - Search Engine Optimization and Programming Languages
Web browsers use URIs for the
href attribute of the
<a> tag and for bookmarks. The URI scheme, such as
ftp:, specifies the protocol and required form for the rest of the string. Browsers also implement a prefix
The executing script has access to the current page, which it may inspect and change. If the script returns an undefined type rather than a string, the browser will not load a new page, with the result that the script simply runs against the current page content. This permits in-place font size and color changes, for example, without a page reload.
Bookmarklets are saved and used as normal bookmarks. As such, they are simple "one-click" tools which add functionality to the browser. For example, they can:
- Modify the appearance of a web page within the browser (e.g., change font size, background color, etc.).
- Extract data from a web page (e.g., hyperlinks, images, text, etc.).
- Query a search engine, with search term(s) provided by previously selected text, or by a dialog box.
- Submit the current page to a link validation service, or translation service.
- Set commonly chosen configuration options when the page itself provides no way to do this.
"Installation of a bookmarklet" is performed by creating a new bookmark, and pasting the code into the URL destination field. Alternatively, if the bookmarklet is presented as a link, under some browsers it can be dragged and dropped onto the bookmark bar. The bookmarklet can then be run by loading the bookmark normally.
They were a deliberate feature in this sense: I invented the
In particular, I made it possible to generate a new document by loading, e.g.
- ↑ Domain bookmarklets.com registered 9 April 1998
- ↑ Willison, Simon (April 10th, 2004). "Email from Brendan Eich". SitePoint. http://www.sitepoint.com/blogs/2004/04/09/bookmarklets/#comment-3424. Retrieved 22 April 2007.
- ↑ Tested on Mozilla Firefox, Opera, Safari, and Chrome. Does not work in IE7 or IE8. Original source: Alex Boldt
- Marklets.com - Bookmarklet Directory - The largest user run directory of bookmarklets.
- Bookmarklets.com - One of the earliest collections.
- Jesse's Bookmarklets Site - One of the earliest collections.
- Bookmarklets Boost Web Surfing, PC Magazine, Tara Calishain, 4 March 2004. Retrieved 31 August 2007.
- How to Use Is.Gd/Tiny Url/Bookmarklet-X in Chrome - Effective method for bookmarklets in Google Chrome, 1 June 2009. Retrieved 18 July 2009