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Hi Robin, before I provide my answers to  your specific questions. I should point out there is a difference between SEOMoz.org's warnings and errors. In most all cases an error should be fixed. In case of a warning it is not necessarily something that has to be fixed, but a baseline understanding in the problem should be understood and if needed addressed. Meta Desc - provided meta desc (Warning) To fix this you simply need to review the page and if appropriate add a meta description. Note because this is a warning your page may not necessarly need a meta description. But with that in mind it maybe likely that the page itself has no SEO value so maybe safely blocked by using robots.txt. 404 error - provide live links (ERROR) To fix this problem click on the error warning and review what pages are creating links that link to a page that does not exist. Then remove the link from your page. dup page title - (Error) change the other page's title - will it affect the seo ranking of the page? You should not have 2 pages with the same title the most important of the 2 pages should be granted the use of said title. The other page's content if not enough to warrant its own page could be added to the main page, or change the title to something more appropriate for the page's content (re-write the content if needed). we believe its yes, so is it necessry to fix the error? Yes see above title element too long - we understand that some of the pages have too long title, to fix the error we need to change the title to shorter ones, but we are afraid if it will affect the seo ranking, just like the previous q (Warning). This is a warning you should mainly note anything over 70 characters will be ignored. While it won't necessarily hurt your page's SEO. Anything over 70 characters is being ignored which can leave un-attended titles. too many links - we understand that these links are from the submission we made previously, how will we fix this error? (Warning) This one goes way back, in the early days crawlers could not crawl pages with a ton of links so it was recommended early on to limit your number to 100, since then crawlers have been updated and can certainly and will crawl more then 100 links per page. However, the down side to having a ton of links on your page is you dilute the link value of the every link on the page. So if you're linking to pages that have little to no SEO value you are essentially leaking link juice you could be using to pass to higher value pages. Lots of info there, I hope it helps, Don

c. or set the number of blog posts per page lesser. (7-10?) and use different MD per page. and sure to get more advice from experts too ! I correcting my 404 errors recently, and will use the Meta Description tag !