Defining Rules for Web Data Extraction
Learn how to define, validate, and maintain web data extraction rules, from selectors and schemas to access policies, monitoring, and failure recovery.
Guides
Step-by-step guides to capturing the web: screenshots, full pages, elements, devices and more.
NumPy reshape(): How to Reshape Arrays in Python
Learn how to reshape NumPy arrays with explicit dimensions or -1, choose C or F order, and understand when reshape returns a view or copy.
My Content Was Stolen: How to Prove Ownership and Request Takedown
Learn how to document ownership, file a U.S. DMCA takedown, handle counter-notices, and preserve evidence when someone copies your work.
Converting Web Pages into Images and PDFs
Learn how to save any rendered web page as an image or PDF with Chrome, Playwright, and ScreenshotNeo.
Monitoring the Pricing Models of Your SaaS Competitors
Build a dependable competitor pricing history with a spreadsheet, screenshots, change detection, and automated alerts that reduce noise.
How to Build a Compliant E-Commerce Website
A practical, source-based guide to e-commerce compliance covering disclosures, privacy, payments, accessibility, marketing and fulfillment.
Selenium Screenshot Guide: Python, Java, and C# (2026)
Learn the official Selenium screenshot APIs for Python, Java, and C#, including element capture, file output, full-page limits, troubleshooting, and a hosted alternative.
Backup or Archive Your Website? Both!
Backups help you restore a working site; web archives preserve dated versions. Learn what each captures, where they fall short, and how to plan for both.
Win on Amazon with FBA Competitor Tracking
Track Amazon FBA competitors with a repeatable system for prices, listings, keywords, reviews, Buy Box changes and profitable responses.
HTML to Image API: Render Custom HTML as PNG or PDF
Learn how to send HTML and CSS to a rendering API, choose PNG or PDF output, handle layout, secure keys, and troubleshoot failures.
10 Website Testing Best Practices
A practical plan for testing website journeys, browsers, performance, accessibility, and screenshots before and after launch.