Kèo Nhà Cái is an online sports information platform focused on football odds, match analysis, and live competition updates. The site says it launched in 2015 and aims to help sports fans follow betting lines and compare changes across matches and tournaments. Its coverage includes major competitions such as the Premier League, Champions League, Serie A, La Liga, World Cup, and Euro, alongside other leagues worldwide.

Visitors can browse odds tables, match schedules, results, league standings, live scores, and football news. The platform also provides statistics including head-to-head records, recent team form, tactical information, and injury lists, as well as expert commentary and match predictions. Its content is presented as a resource for users assessing games and following odds movements, rather than as a guarantee of outcomes. The site describes its service as available across mobile and desktop devices and highlights frequent data updates. It also states that it uses SSL encryption and identifies applysis.io as its current web address.