Is Web Scraping Legal? Key Insights and Guidelines
Web scraping can be lawful, but public access is not a complete defense. Learn the CFAA, GDPR, robots.txt, contracts, and practical risk controls.
Guides
Step-by-step guides to capturing the web: screenshots, full pages, elements, devices and more.
Introduction to Web Scraping Using Selenium Grid
Learn how Selenium Grid runs remote browser scrapers, choose a deployment mode, write RemoteWebDriver code, scale safely, and avoid common failures.
What Resolution Do Website Screenshots Use?
Website screenshots have no universal resolution: viewport size, capture area, and device scale factor determine the result. Here’s how to choose settings and get sharp, predictable captures.
Essential Meta Tags for SEO and Social Media
A practical guide to title, description, canonical, robots, Open Graph and Twitter Card tags, with code, validation steps and troubleshooting.
Tools to Monitor SSL Certificate Expiry
Compare hosted services, Datadog, and Prometheus for SSL certificate expiry monitoring. Learn what to check before choosing a tool and how to avoid coverage gaps.
Facebook Page Image Size: Cover and Profile Dimensions for 2026
Use 851 × 315 px for a Facebook Page cover and at least 320 × 320 px for a profile picture. Learn safe zones, cropping, formats, and export settings.
Meta Tag Analyzer: Check Page Metadata and Social Preview Fields
Learn how to inspect HTML meta tags, validate Google and social fields, and diagnose previews that differ across platforms.
Template Editor SDKs: Features, Integration, and Use Cases
Learn how to embed a template editor, extend Canva, or generate designs through an API. Compare integration models, data ownership, rendering, and implementation tradeoffs.
Python len() Function: Syntax, Examples, and Use Cases
Learn what Python’s len() returns, which objects support it, and how to use it for strings, collections, custom classes, and everyday checks.
Facebook Link Image Size: Recommended Dimensions for Link Previews
Use a 1200×630 image for a Facebook link preview, add it with Open Graph metadata, and check that Facebook can fetch the image.
PUT vs. POST: What’s the Difference?
PUT sets the state of a known resource and is idempotent; POST asks a resource to process a submission and may not be safe to repeat.
25+ Open-Source Databases for Your Next Project
Compare 25+ databases by workload, data model, operations, and license. Find a practical shortlist for your next project.
Free Online Tools for Web Developers
A practical guide to free online tools for validation, debugging, formatting, encoding, regex testing, color work, and screenshots.
Best Firefox Extensions for Web Developers
A practical guide to the best Firefox extensions for React inspection, measurement, colors, cookies, accessibility, and technology checks.
17 Online Courses to Learn Artificial Intelligence (AI) in 2026
Compare 17 online AI courses by learner level and focus, then choose a starting point that fits your goals. Check each provider’s current terms before enrolling.
How to Download Website Content for Archiving
Learn how to archive a page or whole site with HTTrack, Wget, browser capture, and WARC/WACZ workflows, including limits and troubleshooting.
Full-Disk Encryption on Windows: BitLocker and Alternatives
Compare Windows Device Encryption, BitLocker, VeraCrypt, and self-encrypting drives. Choose an approach, protect your recovery key, and avoid lockouts.
What Is a Cypress Test and How Does It Work?
Learn what Cypress tests are, how the command queue and retries work, and how to write reliable end-to-end, component, and API tests.