what could it be ? I have asked for re-inclusion about 3 months ago. site is 3 years old PR3 was top 10 for a keyword now not in top 300 for 3 months straight 500+ links to it from competing sites and directories stumbl upons ( will his hurt it ? ) by doing a yahoo and google search it is there in index with 300+ links. has google xml sitemaps. has on topic .edu links and relevant authority site links possible issues: may have some blog spam comments forgot to take off the noindex,nofollow meta tag on site update 3 mos ago. otherwise no blackhat. is there a find all solution quick for this. ? thanks
One solution I see is: If your site still in index, you can try to place few high rank links from relevant sites pointing to your site.