| 摘要 |
Webpages at a universal resource locator (URL) address are compared at two different times. A request is received from a web browser for a first webpage at the URL. The first webpage is requested and received from the URL at a first time. A selectable webpage is created by editing the first webpage to make it selectable and the selectable web page is sent to the web browser. A selection is received from the web browser that includes a portion of the selectable web page and a frequency. An application is created that retrieves a webpage from the universal resource locator address of the website periodically at the frequency. A second webpage is received from the application that was retrieved from the universal resource locator address at a second time by the application. A portion of the second webpage is compared to the portion of the selectable webpage. |
