Articles & Guides
Useful resources for web developers and system administrators
Infrastructure
Best Web Hosting 2026: an Engineer's Rating and Checks
Best web hosting providers 2026: eight global picks — Hetzner, DigitalOcean, OVHcloud, SiteGround and more. Transparent criteria, honest downsides for every pick, and a ten-minute routine to verify TTFB, DNS and SSL before you pay.
DNS
Best Public DNS Servers 2026: Fastest, Safest, IPv4 & IPv6
Best public DNS servers compared: Cloudflare 1.1.1.1, Google 8.8.8.8, Quad9, OpenDNS, AdGuard — IPv4/IPv6 and DoH addresses, privacy, and how to test speed.
Tools
Website Builders 2026: What You Give Up and How to Migrate
A review of website builders: who they suit and where they run out, what you can take with you, how to migrate without losing traffic, and what to check before paying.
SEO
Schema.org Structured Data: How to Check and Implement
What Schema.org structured data is and how to implement it: JSON-LD vs microdata vs RDFa, core types, ready-to-use code examples. How to check structured data online with Google, Yandex and schema.org validators, common errors and an implementation checklist.
SEO
Open Graph Tags: Control Link Previews in Telegram and X
Open Graph setup guide: the five core og tags, og:image size 1200×630, Twitter Card summary_large_image, fixing empty or stale link previews, forcing a cache refresh in Telegram and X, and validating the card with a preview tool.
Infrastructure
Email on Your Own Domain: Setup, Sending and Migration
How to set up email on your own domain: domain verification, MX, SPF, DKIM and DMARC, sending website mail over SMTP, and migrating providers without losing messages.
SEO
Why Your Website Doesn't Show Up in Search: Indexing Checklist
Site missing from Google? Learn how to check indexing with the site: operator and Search Console, find blockers — robots.txt Disallow, noindex, server errors, downtime — and get your pages back into search results, step by step.
Security
Website and IP Blacklist Check: Find Lists and Get Delisted
Website or IP blacklisted? Check Safe Browsing, SmartScreen, email DNSBLs and AbuseIPDB: dig commands, 127.0.0.x return codes and the delisting order.
Security
Website Privacy Policy: What It Must Contain
Website privacy policy: who needs one, which sections it must contain, how to publish it, how to run a compliant cookie consent banner under GDPR and ePrivacy, and what fines you risk without one.
Infrastructure
How to Choose Web Hosting: Criteria, Checks and Red Flags
How to choose web hosting: shared vs VPS vs dedicated vs cloud, hidden shared-plan limits (inodes, CPU seconds), backup and SLA math in real downtime minutes, measuring TTFB before you pay, contract red flags, and a 12-point vendor-neutral checklist.