Chief Constable Andy Trotter, the lead on communications for the Association of Chief Police Officers (Acpo), said:
Many offensive comments are made every day on social media and guidance will assist the police to focus on the most serious matters.
There is not only the matter of principle to be addressed but also the practicality of dealing with thousands of potential offences.
More top news
The AA found 29% of young drivers admitted to drinking and driving the following morning even if they thought they could be over the limit.
Metal girders fell down and the roof collapsed onto worshippers during a service, witnesses said.
The tanker slammed into other vehicles and burst into flames on a major road leading from the capital Nairobi.