One simple way is to search the keyword on Google and look at the first page results. If you see big websites, strong brands, and long detailed articles, it means the competition is high. Also check how old those sites look and how many topics they cover. New sites usually struggle to beat them. If results are mostly smaller blogs or simple pages, it may be easier to enter. This manual check is very useful for beginners. What signs usually show that a keyword is still open for new sites?