C# web scraping usually pairs HttpClient with an HTML parser such as AngleSharp. Reuse one client, set firm limits, validate every response, and stop pagination loops before saving records. Use Playwright for JavaScript-rendered pages, and add proxies only when a documented routing or location requirement exists.
To use proxies for web scraping, configure the proxy endpoint, authenticate, set timeouts, and validate the returned page. Rotate routes between independent jobs, and keep one sticky route during requests sharing cookies or server-side state. This minimal Python Requests example sends an HTTPS request through an authenticated HTTP proxy.
Websites block web scrapers by layering technical signals with behavioral signals so that no single fix clears every check on its own. According to Akamai's 2024 State of the Internet report, bots make up 42% of all web traffic, and roughly two-thirds of that traffic is malicious rather than legitimate (Akamai, 2024).
A mobile proxy routes your internet traffic through an IP address associated with a mobile network, typically over 4G or 5G, while a residential proxy routes traffic through an IP address associated with a residential ISP connection, making the request appear to come from a home internet connection.
For an AI agent that runs its own HTTP client or browser, a practical setup is Proxidize managed cloud residential proxies connected to the tool that opens the target website. This fits workloads that need a residential exit, geographic targeting, or controlled proxy sessions. Keep a sticky session for related browsing steps and validate the returned content before the agent uses it.
Proxidize offers strong value for predictable U.S. mobile scraping, with city and internet service provider (ISP) targeting included. Its smallest plan includes 25 gigabytes (GB), while DataImpulse suits irregular global traffic. Decodo offers a smaller global package, while Oxylabs, SOAX, IPRoyal, and ProxyEmpire fit more specialized requirements.
Residential proxy pricing is usually advertised as a rate per gigabyte. That number does not necessarily tell you what will leave your card. Minimum purchases, fixed allowances, monthly renewals, temporary discounts, and expiring traffic can all change the real cost.
To use a proxy with Playwright, pass a proxy object either when launching the browser or when creating a browser context. The object needs a proxy server and can also include an HTTP proxy username, password, and comma-separated bypass list.
The best residential proxy provider is the one that matches your required locations, sessions, protocols, and billing needs. The largest advertised pool is not automatically the best choice.
HTTP proxies are usually the better choice for websites, APIs, and browser automation. SOCKS5 proxies are usually better for applications that need flexible TCP connections, UDP support, or proxy-side DNS resolution.