Ugh. There's a part of the Squidoo lensrank algorithm I've been ignoring, because it's not what I want to be doing. From the Squidoo FAQ:
Wikipedia has a system with one entry per topic. We don't. Instead, we encourage multiple lenses on a topic. Then, we use an automated algorithm-LensRank-to rank the lenses. We look at community ratings, lensmaster reputation, clickthrough rates, frequency of updates, inbound and outbound links, revenue generated, and lots of other factors and give the lens a number.
Fine and dandy. But I have over 200 lenses! I generally don't update unless I've heard some news, discovered a product, or found some interesting tidbit to add to an existing lens. Only rarely do I go back and substantially tweak/improve lenses. A photo here, a caption there, adding a new featured lens or widget, sure, but most of my updates are cosmetic. I republish each lens every sixty days, since lenses sitting longer than that appear under the "needs to be updated" label, but beyond that, it's ad hoc.
However, I'm beginning to suspect that republishing lenses once a week really does give a lensrank boost, especially to bottom-of-the-heap lenses. Check out this week's lensrank on Sunday, two days after I actually did republish all my lenses:

Most of the tiers haven't changed that much, which is good: they're holding position through performance. However tier 4 ("dud") shows a distinct improvement between last week and this week.
IS it worth it? Republishing every lens takes a lot of time, and updates are meaningless unless one looks at every lens and edits/improves each one. I'm sure most of those updated tier 4s are just going to earn 25 to 30 more cents as tier 3 lenses, at best. Whoopie.
I don't want to just republish for the sake of republishing. It's time consuming and perhaps not as valuable as making another lens. However, I may be doing it more often than every sixty days, now.
Fooey. I honestly hope the results turn out to be "it doesn't make much difference," but that uptick is troubling me.
And in more cheery news, my 2011 goals are on track so far. Can't wait for the next payout.