Well that will depend. The search engine is only going to skim over the site. If your site is updating/changing it is likely content will be missed. It all depends on what is in the source at the time the site is being crawled. Most cases, this information is readily available..
i think google, love html ,, when ever i did SEO of any java and php they did not get any good pr and html get very fast PR, and also if you going to search on google most of time i find to 10 web based on html tag so i can say 60% html is best