The most modern and effective way to achieve a highly compressed yet stable TF2 experience is through mastercomfig. This customization framework allows you to choose exactly how "compressed" you want your game to be.
Whether you are playing on a "potato" laptop or a high-end 240Hz monitor, optimizing TF2 is essential for competitive play. Why Use Highly Compressed Settings? team fortress 2 highly compressed extra quality
For a "highly compressed" experience that still feels high quality, the community recommends specific packs on platforms like GameBanana CleanTF2plus There is no official or widely recognized community