Best On-page Chechker tool

[saanvikadam]

SEOptimer and  Moz

[Emily Stephan]

The Top Onpage SEO-Tools in my opinion were:

Seomoz Pro Dashboard/Campains (http://pro.seomoz.org/campaigns)
Seomoz OnPage Keyword Optimization Tool (http://pro.seomoz.org/tools/on-page-keyword-optimization/new)
Scramingfrog SEO-Spider (Mac/Win Appliaction) (http://www.screamingfrog.co.uk/seo-spider/)
The Reaction Engine (http://www.reactionengine.com)

[peteralex]

SEOPTIMER, MOZ and W3Cvalidator

[clapcreative]

Its my humble request to every marketers please avoid automation tools for onpage cheacking  there tools are just give us ideas where areas  site need improvement. Nothing else

for this you can use free tools like woorank, seositecheckup etc.

[harsinha0018]

If you like this free SEO tool, you'll love our other tool that crawls entire websites.
Check out our free tool that checks for Broken Links, and allows you to create a Google Sitemap.