Meta keywords are different from usual keywords since they are only in the source code of your web page, instead of the living, visible web page. Anyway, meta keywords can be filled out later on if you need to, but focus on the things that matter first. Integrate keywords for the meta description tag. Do this just for the page description that comes up in search engines.
How do you find the sweet spot? The best way is to monitor statistics from your email blast software. See how many recipients open your emails, how many click a link, and how many unsubscribe. (Pay attention to the type of recipient, too, as your open rates for loyal customers will be different from new prospects.) Learn what works, make changes, and test again.
Advertisers may also deliver ads based on a user's suspected geography through geotargeting. A user's IP address communicates some geographic information (at minimum, the user's country or general region). The geographic information from an IP can be supplemented and refined with other proxies or information to narrow the range of possible locations. For example, with mobile devices, advertisers can sometimes use a phone's GPS receiver or the location of nearby mobile towers. Cookies and other persistent data on a user's machine may provide help narrowing a user's location further.
It's practically impossible to overstate the importance of direct mailing lists to the success of your direct mail program. The correct mailing list will contain your most valuable prospects. The more careful you are in analyzing and selecting direct mailing lists, the better your chances for success. There are several different categories of mailing lists available on the market today ranging in cost and appropriateness for your market. When you are considering what type of mailing list to buy consider the following three types: