Track any value on the web and get notified when it changes. Example: ebay, amazon prices, etc. It can be used to track anything that you can fetch using a CSS-selector.
CSS selectors (how?)
| Website | Element | CSS Selector |
|---|---|---|
| Amazon | Book Price | .aok-offscreen |
| Amazon | Item Price | .a-offscreen |
| ebay | Product Price | div.x-price-primary span.ux-textspans |
