want to know what happens

[klickklick]

i want to know what happens at te following url http://www.ruimtebouw-remco.nl/staalconstructie/ . i was looking in the source and found this code <!-- CES
title: Home
bedrijfsgebouw:
bedrijfshal:
opslaghal:
groothandel:
productiehal:
sporthal:
loods:
hallenbouw:
systeembouw:
staalbouw:
bouwbedrijf:
bedrijfshuisvesting.:
modified: 1103644569 huttenjn
published: 1103644639 huttenjn
-->

i want to know what happens here if i search in google for the above words they all come in the first place and every time its a new index (seems like it) . So i want to know what mod_rewrite rule they using?