Which font size do the spiders consider most important?

Is it better to use H1 or font size=7 or what?

[semiaziz]

Hiya!
Am optimizing a page for a kw phrase and am curious which size font the search engines consider most important... is it H1? font size=7? px=28?
And bolded, underlined and italicized?
thanks

[buckworks]

I'm not sure of the answer to your question, but please, please don't underline anything except links, or you'll drive your users crazy.

[andreasfriedrich]

You need to differentiate between structural markup (h[1-6] elements) and styles (font-size). Only the former matters. The latter may be used for spamming purposes, eg formatting h1 elements to appear in a 2pt size.

Just use structural markup to mark up the true structure of your document and apply styles to suggest a layout.

[rewboss]

You're supposed to use <h1>...<h6> for headings: <h1> for the main heading, <h2> for subheadings and so on (you are unlikely ever to need anything beyond <h3>). SEs will generally give more weight to the text included in headings tags, but make sure they <em>are</em> headings.

<h1>In other words, don't enclose a whole paragraph inside a heading tag like this one here. Not only does it look ugly and is a violation of the principles of markup, it will also be penalised by many search engines which will see this sort of thing as an attempt to fool them.</h1>

As for bold, underlined, italics, font size and so on: those are for presentational purposes only, and have no effect on how the SEs rank your pages. Overuse of any of these tags will make your page look amateurish and hard to read.

[semiaziz]

thanks for the help. Wasn't intending on overusing anything, just a short concentrated ugly burst at the top of the page. Like:

[6]UGLY, but not jarringly so[/6]

nice
pretty
lovely
ah, bellissima

[ukgimp]

There was a thread on this a while back

[webmasterworld.com...]