How I Test Free Proxies in Python — and When I Switch to Residential Proxies
If you work with web scraping, monitoring, QA, or automation, you eventually run into the same...
Oct 3, 20265 min read0 reactions0 comments
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Oct 1, 2026TCP proxy over MQTT using a cheap ESP32 microcontroller
Full info and code : https://github.com/hack-tramp/ESP-MQTTunnel/ A working PoC that turns an...
Oct 1, 20263 min read0 reactions0 comments
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Sep 28, 2026Reselling mobile proxies through an API without paying for ports nobody uses (Python)
Create, extend and cancel proxy ports from a shop in Python, and a nightly reconcile that catches ports still billing after the customer left.
Sep 28, 20265 min read0 reactions0 comments
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Sep 28, 2026Buying a Rank Tracker's Data: Residential, Scraping Browser, or SERP API, Worked Against One Measured SERP Page
I keep seeing the same question in scraping threads, usually from someone whose side project just got...
Sep 28, 20267 min read0 reactions0 comments
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Sep 25, 2026WebRTC Leak Test on Mobile: iOS Safari and Chrome Android Guide 2026
Most WebRTC leak guides focus on desktop browsers - Firefox about:config, Chrome extensions,...
Sep 25, 20268 min read0 reactions0 comments
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Sep 24, 2026We tested the 'always pin the proxy country' rule instead of trusting it. Same data came back from two exit countries.
Quick answer We tested "pin the proxy exit country on a country-scoped site" before paying...
Sep 24, 20264 min read0 reactions0 comments
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Sep 24, 2026A 304 Still Costs You a Handshake: HTTP Caching Through a Rotating Proxy Pool
Measured: conditional GETs through rotating proxy exits. A 304 saves body bytes but pays the full TCP+TLS tax per request - here is how to price that trade before your next crawl.
Sep 24, 20268 min read0 reactions0 comments
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Sep 21, 2026A CONNECT 407 looked like a proxy-entitlement problem. It was a country pin with no group name.
Quick answer Cloud QA on the Zalando Fashion Listings Scraper failed with CONNECT 407 and...
Sep 21, 20264 min read0 reactions0 comments
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Sep 28, 2026US Free Proxy List for Ad Verification: What Actually Works in 2026
Ad verification has specific proxy requirements that most general-purpose proxy guides don't address....
Sep 28, 20267 min read0 reactions0 comments
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Sep 28, 2026Forward Proxy vs Reverse Proxy: A Developer's Guide to the Difference
"Proxy" is one of those terms that means different things depending on who's using it and in what...
Sep 28, 20267 min read0 reactions0 comments
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Sep 28, 2026The List Moved While You Were Paging: Rank Keys, Silent Misses, and a Ten-Line Reconciler
Page-numbered collection over a live ranked listing silently re-fetches rows and loses rows. Two live targets, a two-term drift model that predicted the observed damage, and the reconciler I would actually copy out of this post.
Sep 28, 20269 min read0 reactions0 comments
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Sep 26, 2026Bayt Jobs Scraper: the proxy country pin that was the block
Quick answer We pinned our Bayt.com scraper's proxy to the country it scrapes, and that...
Sep 26, 20263 min read0 reactions0 comments