tryspar.dev

tryspar.dev is a live English-language website hosted on Amazon.com, Inc. (AS16509) in the United States, served by Vercel. cl0q first saw it on 2026-10-14 and last crawled it on 2026-10-14. It resolves to 216.198.79.1 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

Spar — Stop guessing. Solve the right problems.

Spar builds a living map of your programming abilities from how you solve — what you understand, where you get stuck, which cases break your approach — then chooses or creates the next challenge from it. LeetCode, Codeforces and generated challenges in one training system, graded by execution rather than by a model.