It can also temporarily turn images off, which helps when you have a lot of browsing to do in a short time. After you found what you need you can then turn graphics back on easily.
Other convenient functions in the contextual menu allow you to quickly go back or forward in a page, reload the page and increase or reduce the text size. Mail the selected text or tabs. Search for selected text in Google, Yahoo, MSN or Wikipedia. More features will appear with further development.
To open the "contextual menu" in Safari, hold down the control key while you click the mouse in a Web page. Note that if you just installed Safari Extender you may need to quit and re-run Safari before the Safari Extender menu shows up.