How many Pokemon types are there? Strengths, weaknesses

In a Pokemon battle, types are usually the deciding facto. Here

Pokemon Scarlet and Violet: All type strength and weakness chart

Pokémon types ranked based on their strengths and weaknesses : r/pokemon

OC]I have trouble interpreting most of the strength/weakness charts that I come across, so I made one that makes more sense to me. It focuses on what works best offensively and defensively

All About Psychic-Type Pokémon: Strengths, Weaknesses and Strategies in Pokémon FireRed and LeafGreen - Master Noobs

Pokémon Go Type Strengths & Weaknesses Guide Pokemon weakness chart, Pokemon go, Pokemon weaknesses

How many Pokemon types are there? Strengths, weaknesses & resistance explained - Charlie INTEL

Strengths and weaknesses of the Wind type by AdeptCharon on DeviantArt

Pokemon type chart: All strengths & weaknesses for Scarlet, Violet & Pokemon GO

Pokemon Types - Pokemon Gold, Silver and Crystal Guide - IGN