Alexa Site Widgets
Alexa is one of the oldest search engines that still survive. Alexa has its own unique traffic ranking for websites. When a user using alexa toolbar for internet explorer visits a site the alexa toolbar shows relatively similar sites. Thus, a site gets automatically included in alexa’s crawl.
Alexa’s site widgets do the same service as that of the alexa toolbar. Alexa site widget offers a small JavaScript code which can be pasted on your site’s source code. Whenever a user visits the site alexa.com is pinged. Also when somebody clicks on the widget the detailed information on the site according to alexa.com is displayed. The alexa site widget acts as a substitute for the alexa toolbar. If you have new site then get alexa site widget to get indexed easier.
This will also guarantee a version of your site saved in the internet archives wayback machine.