Free proxies are overcrowded. Expect buffer times on YouTube and timeouts on heavy pages.
For a more seamless experience, you can install an extension that automatically routes your browser traffic through a proxy or free VPN. Go to your browser's web store (e.g., Chrome Web Store Search for tools like Hotspot Shield
Tools like Hola VPN or dedicated Chrome extensions stay in your toolbar for one-click access.
Google fetches the page on its servers, effectively acting as a free proxy. This works surprisingly well for text-heavy sites like Wikipedia or news portals.