Guides
Practical, no-fluff guides on scraping and technical SEO. Each one pairs with a free tool you can use right in your browser.
301 vs 302 Redirects: Which One to Use (and When It Actually Matters)
The practical difference between 301, 302, 307 and 308 redirects for SEO, when each is correct, and how to find the redirect chains silently slowing your site.
July 25, 2026
Meta Tags That Matter in 2026 (and the Ones You Can Delete)
Which meta tags still affect rankings and click-through, the pixel-based length rules for titles and descriptions, and the dead tags cluttering your head.
July 25, 2026
CSS Selectors vs XPath for Web Scraping: Which Should You Use?
A practical comparison of CSS selectors and XPath for scraping — where each wins, side-by-side syntax, and the cases where only XPath can do the job.
July 25, 2026
How to Block AI Crawlers with robots.txt (GPTBot, ClaudeBot, PerplexityBot & More)
The complete, up-to-date guide to controlling AI bots with robots.txt — which user agents matter, copy-paste examples, and how to verify your rules actually work.
July 25, 2026
HTTP Headers for SEO: The Ones That Matter and How to Check Them
X-Robots-Tag, redirects, Cache-Control, canonical headers — how HTTP response headers quietly control indexing and speed, and how to audit yours in seconds.
July 25, 2026
How to Find Any Website's Sitemap (6 Places to Look)
Six reliable ways to locate a site's XML sitemap — standard paths, robots.txt, CMS defaults, and search operators — plus what to do when a site has none.
July 25, 2026
How to Convert an HTML Table to CSV (Browser, Excel & Python)
Four reliable ways to turn any HTML table into a clean CSV file — including merged-cell tables that break copy-paste — with zero-code and Python options.
July 25, 2026
How to Extract All URLs from Any Text (Online Tool, Regex & Python)
Pull every link out of emails, logs, HTML or documents — instantly with a free browser tool, or programmatically with battle-tested regex and Python patterns.
July 25, 2026
Robots.txt: The Complete Guide (Syntax, Rules & Costly Mistakes)
Everything robots.txt actually controls — syntax, wildcards, group matching per RFC 9309, what it can't do, and the mistakes that deindex sites.
July 25, 2026
Web Scraping Without Getting Blocked: A Practical, Polite Playbook
Why scrapers get blocked and the legitimate techniques that keep them running — realistic headers, rate limiting, sitemaps over crawling, caching, and when to just use the API.
July 25, 2026
How to Extract All URLs from an XML Sitemap (3 Easy Ways)
Three practical ways to pull every URL out of an XML sitemap — a free browser tool, Python, and the command line — including sitemap indexes and .gz files.
July 25, 2026
Open Graph Tags: The Complete Guide for 2026 (with Free Checker)
Every Open Graph and Twitter Card tag that actually matters, correct og:image sizes per platform, copy-paste templates, and how to debug previews without a Facebook login.
July 25, 2026