Since each memory location within the zero page of a 16-bit address bus computer may be addressed by a single byte, it was faster, in 8-bit data bus machines, to access such a location rather than a non-zero page location.
Some tools provide very limited co-browsing by only synchronizing the page location (URL) of the page that should be shared.
The possibility to allow scripts coming from a certain source only for specific main page locations has been frequently requested but is not yet easy to configure.
Each guide has a detailed index of streets and points of interest, as well as arterial maps for easy page location.
This page location is:
