Articles & Guides
Useful resources for web developers and system administrators
AI
What Is Google Gemini? Free or Paid, API, How to Turn It Off
What is Google Gemini: the model family and the assistant, free vs paid plans, how to remove it from Android, get an API key and control Google-Extended.
Tools
VS Code Extensions for Web Development: Setup Guide
The VS Code extensions web developers actually need, which built-in features replace old plugins, plus settings, REST Client header checks, Remote - SSH and MCP.
Tools
Python Script to Check Website Status: 7 Tested Examples
Seven tested Python scripts to check website status: HTTP codes with JSON output, SSL expiry, DNS records, broken links, meta tags, redirects and a keyless API.
Tools
Java vs JavaScript Difference: Table, Uses, Stack Check
Java vs JavaScript difference explained: where each runs, typing, JVM vs browser, which to learn first, and how to tell if a website runs on Java or Node.js.
AI
How to Write a Good Prompt: Parts, Examples, Templates
How to write a good prompt: role, task, context, data, format and constraints, with weak vs strong examples for nginx logs, robots.txt and dig.
SEO
How to Promote My Website for Free: 6 Steps + Checklist
How to promote your website for free: fix crawling, pick keywords, match titles to intent, build trust, earn honest links, track Search Console. 7-day checklist.
AI
How to Build an AI Agent: No-Code, Python and MCP
An AI agent is a model, tools and a loop. Build one without code in n8n, in about 70 lines of Python with tool calling, or via MCP, and guard against the key risks.
AI
How Neural Networks Work, Explained Simply (No Math)
How neural networks work without math: neurons, weights, training, tokens, context windows and hallucinations, plus how ChatGPT and Gemini find your website.
Networking
How Does a Website Work? Step by Step, From URL to Page
How does a website work? Follow one request from URL to page: DNS, TCP, TLS, HTTP and rendering, the browser error each step shows, and commands to check it.
Tools
Google Sheets IMPORTXML for SEO: Formulas That Work
Google Sheets IMPORTXML for SEO: working XPath for titles, H1s, canonicals and sitemaps, common errors, plus status code and SSL expiry checks in one sheet.