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Articles on hosting, software
and the digital world.
How to Get an SSL Certificate: Free vs Paid Options Explained
How and where to get an SSL/TLS certificate. Let's Encrypt, ZeroSSL, Sectigo and DigiCert compared. Installation with Certbot, acme.sh, cPanel and Plesk. CSR generation, Nginx TLS 1.3 config and A+ security.
How to Optimize a Website: Frontend, Backend, Database and CDN End-to-End
A complete guide to website optimization: image and font optimization, Nginx/Apache tuning, PHP opcache, database indexing, CDN selection, caching layers, Core Web Vitals — with real commands and configuration examples.
What is Redis? Installation, Commands and Real-World Usage Patterns
What Redis is, how to install it, the data types — cache, session, rate limiting, pub/sub, streams and cluster with Node.js, Python and Docker examples. A production-grade Redis guide.
LSCache (LiteSpeed Cache) Guide: Server-Level Caching for WordPress
What is LiteSpeed Cache (LSCache) and how to configure it? LiteSpeed Cache for WordPress plugin, QUIC.cloud CDN, ESI block caching, Core Web Vitals gains — with technical commands and real performance examples.
Best WordPress SEO Plugins: Yoast vs Rank Math vs AIOSEO vs SEOPress Compared
A detailed comparison of the top WordPress SEO plugins. Yoast SEO, Rank Math, AIOSEO, SEOPress, The SEO Framework — which plugin when? Pricing, features, performance impact, and migration guide.
Domain Lookup Tools: WHOIS, RDAP and DNS Guide
Every way to query a domain with dig, whois, nslookup and RDAP. Reading DNS records, interpreting WHOIS, subdomain discovery via certificate transparency — practical commands and examples.
systemd Service Management: Creating, Starting and Monitoring Services
What is systemd and how do you manage services with systemctl? Starting and stopping services, enabling auto-start, creating your own service and monitoring logs with journalctl.
Linux User and Group Management: useradd, sudo and Authorization
How to create and manage users and groups on Linux: useradd, usermod, sudo authorization and the principle of least privilege for server security.
Linux File Permissions: chmod, chown and Privilege Management
How do Linux file permissions work? The rwx permissions, granting access numerically and symbolically with chmod, changing ownership with chown, and correct web server permissions.
Password Hashing: bcrypt, argon2id and scrypt Compared
Modern password hashing — bcrypt, argon2id and scrypt compared, salt, pepper, work factor tuning and Node.js / Python implementations.
HTTPS and TLS 1.3: Modern Web Encryption and Performance
HTTPS and TLS 1.3 — handshake tuning, cipher suite selection, HSTS, OCSP stapling, an SSL Labs A+ score and performance.
Playwright End-to-End Testing: Modern Browser Automation
End-to-end testing with Playwright — selector strategies, fixtures, trace viewer, parallel testing, CI integration and a Cypress comparison.
Jest Unit Testing: Mocks, Spies, Coverage and Test Driven Development
JavaScript/TypeScript unit testing with Jest — describe/it, matchers, mocks, spies, async tests, snapshots and coverage.
E-commerce SEO: Product Pages, Schema Markup and Category Strategy
E-commerce SEO guide — product page optimization, Product schema, category pages, faceted navigation, canonical URLs and managing duplicate content.
Local SEO: Google Business Profile, Local Keywords and Backlinks
Local SEO guide — Google Business Profile setup, local keyword research, NAP consistency, local backlinks and review strategy.
OAuth 2.0 and OIDC: Secure Auth with the Authorization Code Flow
OAuth 2.0 and OpenID Connect — authorization code flow, PKCE, scopes, refresh tokens and a guide to integrating social login.
API Rate Limiting: Token Bucket, Sliding Window and Redis Implementation
API rate limiting algorithms — fixed window, sliding window, token bucket, leaky bucket and distributed implementation with Redis.
GraphQL vs REST: Which API Style Should You Pick and When
Compare GraphQL and REST — query/mutation, the N+1 problem, caching, subscriptions, over-fetching and which scenario each one fits.
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Minecraft & Game Guides
Server setup, plugins, optimization guides in our gaming section.