Some advice has been given to have companies you are going to reciprocate back add your link first to website. This may help grandfather your site in, thus reducing waiting time associated with “new” websites. People have noticed a 0 page rank when first signing up and receiving a bolstering 7 page ranking after 4 months. Why delay? The fact is, that if people realized how easy it would be to get a high ranking, would that take away credibility of engine. It depends on whom you ask, but it does seem to be happening frequently to newer subscribers. Do not discontinue back linking, your rank will eventually appear.

Some vendors have created programs that actually go out to data centers themselves to find out approximately when last index was kicked off. Depending on information returned from trace exact time and date are pinpointed. Is there really that much of an advantage to doing it this way? It depends, if you have a vital update that you want to optimize your site, you may want to know when last time Google visited your site for content to keep information fresh and relevant.

There are many data centers that Google uses to spider across world. Each center has a specific region it covers and all information is gathered in aggregate and returned back to populate Google.com. With this many data centers chances for continuous indexing is good, but not guaranteed.