« Reply #3 on: Wednesday 04 January 17 01:00 GMT (UK) »
The East Kent (or Canterbury Archdiocese) parish registers on FindMyPast are exclusive to them and not available on Ancestry. Apart from Norfolk PRs (which appear to be exactly the same), Irish catholic registers and England and Wales non-conformist registers, all the other original parish register images are exclusive to each site.
As Steve says neither site has good coverage for Kent.
(KENT) Lingwell, Rayment (BUCKS) Read, Hutchins (SRY) Costin, Westbrook (DOR) Gibbs, Goreing (DUR) Green (ESX) Rudland, Malden, Rouse, Boosey (FIFE) Foulis, Russell (NFK) Johnson, Farthing, Purdy, Barsham (GLOS) Collett, Morris, Freebury, May, Kirkman (HERTS) Winchester, Linford (NORTHANTS) Bird, Brimley, Chater, Wilford, Read, Chapman, Jeys, Marston, Lumley (WILTS) Arden, Whatley, Batson, Gleed, Greenhill (SOM) Coombs, Watkins (RUT) Stafford (BERKS) Sansom, Angel, Young, Stratton, Weeks, Day