I’ve never been a big fan of Google’s Toolbar PageRank (TBPR) because, as you may know, it’s a metric that isn’t updated very often. It’s also been thrown around too much as a metric that gauges quality — and I’ve been doing this long enough to know that..
A critical part of doing a site or link audit is checking to see how many 404 (page not found) pages there are in a site. I can’t tell you how many times I’ve seen an audit that lists the total number of 404 pages and advises developers to find appropriate pages to redirect these Please visit Search Engine Land for the full article