Blog posts

29 October, 2026 • Guides

Find out who hosts any website with a free checker, then see past Cloudflare and other CDNs using headers, DNS and reverse IP. Real lookups inside.

29 October, 2026 • SEO & Marketing

Check any page’s meta tags in seconds: description, robots, Open Graph and X cards. Real test results, what checkers miss, and fixes for common mistakes.

29 October, 2026 • Developer Tools

Check when any SSL certificate expires: online, in your browser, or with openssl and curl. Real examples, plus what a valid date does not prove.

29 October, 2026 • Guides

Create a WhatsApp link with wa.me: write any phone number correctly, add a pre-filled message, avoid common errors and test it. Free generator.

29 October, 2026 • Security

Check if a website is legit in minutes: read the real domain, check domain age with Whois, inspect SSL, follow redirects and spot fake shop warning signs.

28 October, 2026 • SEO & Marketing

Check if a redirect is 301 or 302, trace redirect chains and fix loops. Step-by-step with a free redirect checker, browser DevTools and curl.

28 October, 2026 • Developer Tools

Fix invalid JSON fast: decode Unexpected token errors and fix trailing commas, quotes, comments and missing brackets, step by step.

28 October, 2026 • Security

Learn what makes a password strong today, how to build a memorable passphrase, and how to manage the rest with a password manager and 2FA.

28 October, 2026 • Developer Tools

Check DNS records online or with dig and nslookup. Learn what A, AAAA, CNAME, MX, TXT, NS and CAA records do and how to fix common DNS problems.

28 October, 2026 • SEO & Marketing

Learn how to build UTM links, name campaigns consistently, avoid common mistakes, and find your campaign data in Google Analytics 4 reports.

28 October, 2026 • Guides

Make pages faster by choosing the right format (JPEG, PNG, WebP, AVIF), resizing correctly and picking good quality settings. A simple, repeatable workflow.

28 October, 2026 • Productivity

Remove duplicate lines, sort lists, extract emails and change separators online, in Excel or in Google Sheets, with tips to catch hidden duplicates.