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Choosing location

Scraping Techniques

Multi-Region Crawling: Geo-Targeted Collection and Where the Data Lives

A price-monitoring crawler that reports identical prices in every country is almost never right, it runs from one region and every request lands on the same localised variant. This post covers the mechanisms that make a site region-dependent, how to pin exit IP, locale and timezone together, how to verify which variant you received, what data residency asks of you, and the cost arithmetic for fanning out.

October 14, 2026 · 7 min read

A small round robot in a sunny red-brick yard pushes a glass canister of crumpled pages back into a brass pneumatic-tube terminal under a large API plate, beside a RETRY signboard, while a brass pipeline feeds a conveyor belt carrying finished pages into a wire basket.

Scraping Techniques

Scraper API Retry Handling for Production Pipelines

Oct 13, 2026 · 20 min read

A shopkeeper at a market stall on a sunny harbour quay peers through a magnifying glass at three upright local price tags marked $, £ and ¥ under US, UK and Japanese flags, stamping a green tick on the £ tag, beside a globe and a shopping cart full of parcels.

Use Cases

Cross-Country Ecommerce Price Monitoring: How to Get and Prove Local Prices

Oct 7, 2026 · 20 min read

Queue for spider

Scraping Techniques

The Crawl Frontier: Redis, SQS and Kafka for URL Queues

Oct 7, 2026 · 8 min read

A cartoon spider on sunlit courtyard flagstones points one leg at a wall hatch with blue shutters under an API sign, where a paper page lies on the counter, and the other at a wooden browser-window frame worked by teal cords and brass levers under a BROWSER sign.

Scraping Techniques

Scraper API vs. Scraping Browser: When to Use Each One

Sep 28, 2026 · 23 min read

Network Egress cover image

Designing Crawler Egress: NAT Gateways, Proxy Pools and Per-Worker IPs

Sep 25, 2026 · 7 min read

Google Recaptcha image

Access Challenges

reCAPTCHA v2, v3 and Enterprise: How Google Scores a Visitor

Sep 23, 2026 · 8 min read

datadome

Access Challenges

How DataDome Works: Real-Time Scoring at the Edge

Sep 21, 2026 · 9 min read

port view size checking

Scraping Techniques

Screen, Viewport and devicePixelRatio: The Geometry That Does Not Add Up

Sep 16, 2026 · 7 min read

Spider timezone and IP

Scraping Techniques

Timezone, Locale and Your Exit IP: The Cheapest Contradiction to Ship

Sep 15, 2026 · 7 min read

A Python snake operates a browser-shaped page press and a brass sieve that catches loose alarm clappers while one changed teal page passes through to ring a bell.

Coding Tutorials

Monitor website changes in Python without false alerts

Sep 14, 2026 · 41 min read

browser identity

Scraping Techniques

Sec-CH-UA, User-Agent and navigator: Three Places You Declare the Same Identity

Sep 11, 2026 · 7 min read

browser web driver puppet

Scraping Techniques

navigator.webdriver and the Traces a Driven Browser Leaves

Sep 8, 2026 · 7 min read

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