I by "lack of offical html header" you mean you have not page title, keywords, doctype, and whatever else SHOULD be at the top of any html page, then yes, that could very well be part of the reason.
Also, one of the things Google looks at is how many other pages are linking to a site.
A link would help so we can look and see what you have right now - and it'd be one more link towards that google goal.
well actually, google indexes MY site just fine but I did a single little webpage for my sister months ago and it doesn't come up in google searches. it is not in the google index.
I am still a pretty neanderthal html code writer (i do it all myself by hand, from the old days when we had to walk thru 6 feet of snow every day to get to the internet). is the lack of an official html header the cause of google's disdain? I'll try putting that in but could use some advice! thanks - fj