Demonstration script
Grabs titles from multiple sites in parallel
http://www.wellho.net/index.html: Well House Consultants Ltd. : Home
http://www.savethetrain.org.uk/index.html: Trains Swindon - Melksham - Westbury - SLASHED by the DfT and First
http://www.melkshamhotel.co.uk/index.html: Places to stay in Melksham (Hotel, Guest House, B&B)
http://www.wellhousemanor.co.uk/index.html: Well House Manor
See here
for an example of parallel processing in PHP
Well House Consultants, 2007