Disclosure
Affiliate disclosure
Indie Stack Lab is part of the affiliate programs of Mangools, SE Ranking, beehiiv, Movavi. When you sign up or buy through those links, the tool may pay us a commission. Your price does not change. Rankings and verdicts are based on the same set of tasks for every tool in a category, and a tool does not move up because it pays a commission.
The free checker on the home page is paid for by this site. It costs us money per check, which is why it has a monthly budget and a daily limit.