📝 Blog
DevOps, Security & AI Privacy Guides
Practical guides for developers — no fluff, no filler. Just actionable content on the tools and techniques that matter.
SEO
How to Check Meta Tags for Any Website
Step-by-step guide to checking title tags, meta descriptions, Open Graph, Twitter Cards, and canonical URLs — with free tools and character count benchmarks.
SEO
301 vs 302 Redirects: The Complete SEO Guide
When to use 301, 302, 307, and 308 redirects, how redirect chains hurt rankings, and how to diagnose and fix redirect problems before they damage your SEO.
AI Privacy
Is ChatGPT Safe to Use at Work?
Honest breakdown of what ChatGPT stores, GDPR implications for EU businesses, what your employer can see, and practical steps to use AI tools safely at work.
Security
How to Check SPF, DKIM and DMARC Records
Fix email deliverability problems by checking your email DNS records. Step-by-step guide with command-line methods and DMARC rollout strategy.
Security
HTTP Security Headers: What They Are and How to Add Them
Complete guide to CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy — with Nginx and Apache config examples.
Security
How to Check SSL Certificate Expiry Before It's Too Late
Check SSL expiry via tool or command line, set up automated monitoring with a bash script, and understand why Let's Encrypt auto-renewal silently fails.
AI Privacy
AI Prompt Privacy: How to Stop Leaking Sensitive Data
Real examples of what developers accidentally send to ChatGPT — API keys, database passwords, customer PII — and how to protect it automatically.
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