Best Practices for Building a Photo Gallery Website
Build a fast, accessible photo gallery with responsive images, stable layouts, lazy loading, and reliable screenshot previews.
Guides
Step-by-step guides to capturing the web: screenshots, full pages, elements, devices and more.
Is It Legal to Use Proxies?
Using a proxy is not inherently illegal under the U.S. federal sources reviewed. What matters is what you access, your authorization, and the law that applies.
What Is CORS? How It Works and How to Fix CORS Errors
CORS lets a server tell browsers which origins may read its responses. Learn how preflights work, configure safe headers, and troubleshoot blocked requests.
What Is HTTP POST? A Complete Guide to Requests, Bodies, Responses, and Retries
HTTP POST asks a server to process data. Learn request bodies, headers, forms, JSON, retries, errors, and POST versus GET and PUT.
What Is a Web Crawler? Use Cases and Examples
Learn what web crawlers do, how they discover pages, how crawling differs from indexing, and how to build a respectful crawler.
Free Websites to Make YouTube Thumbnails
Compare free browser-based YouTube thumbnail makers, learn the 1280 × 720 basics, and avoid paid assets or unexpected export limits.
Create Product Marketing Images From a Product Catalog
Build consistent product marketing images across a catalog with a repeatable shoot, clean exports, and channel-ready image roles.
Web Scraping with Python and Selenium: A Build-Along Guide
Build a reliable Python Selenium scraper for JavaScript sites, with waits, locators, pagination, retries, troubleshooting, and production patterns.
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.
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.