Optionally manages the communications with external programs / internal modules used to generate dynamic content; World wide web servers, serving dynamic content, waiting for slow responses coming from back-end computer(s) (e.g. databases), maybe because of too many queries mixed with too many inserts or updates of DB data; in these https://programmatic-advertising77542.vblogetin.com/33554616/5-wesentliche-elemente-für-geotargeting