Please find useful links for all your horse racing needs below...
Ratings
BHA Ratings Database (UK): https://www.britishhorseracing.com/regulation/official-ratings/ratings-database/
Turf Club Ratings Database (Ireland): http://www.goracing.ie/racing-statistics/horses/ratings/
Odds Comparison
Oddschecker: https://www.oddschecker.com/horse-racing/
Results and Video Replays
Sky Sports Results - search more names on left (need Sky Bet Login to access replays): http://www.skysports.com/racing/form-profiles/horse/923526/mount-mews
Attheraces.com Results (to view races shown by their channel): http://www.attheraces.com/results
Racecards
Sporting Life Racecards: https://www.sportinglife.com/racing/racecards