Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
But if you don't have the NMHTTP and JVCL components, anyway, you should just take the source code for "Parse1Click", written above, and remove all of the component references, e.g., an edit box, treenode and listbox, and replace them with string equivalents.
The core of the code is the "TestFor" procedures - just feed them HTML lines, acquired from whatever source you like, and feed the results (added via Listbox.Add) back to the client (caller) software.