From their site: The Weblogs.com ping service is used to automatically inform VeriSign whenever you update content on your site. The service receives notification (a "ping") from your site that you have added new content, and if all goes well, Weblogs.com adds your site to a list of recently changed weblogs. If you're not using blogging software that automatically pings Weblogs.com, or if you're looking for more information on how to ping, this page will help you get your ping client up and running.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.