Crawlhub blog

Better inputs.
Better data work.

Practical notes on proxies, scraping and the records your application needs.

HTTP CONNECT, SOCKS5 and MASQUE: choose a proxy protocol

Match the transport to your client before changing your proxy pool.

Diagnose the response, respect Retry-After and keep retries bounded.

Separate browser state, proxy routing and the market you are measuring.

How to check the reading before you report a loss.

Calculate cost per accepted record before scaling a collection job.

Build answers from a small set of checkable sources.

Start with the target, the location and how long a request needs to keep the same IP. Those three questions narrow the choice.

A price is only useful when you know the product, currency, stock status and source it belongs to.

Keep HTML when your application owns extraction. Use JSON when you want named fields ready for the next step.