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The Essential SEO Glossary: Key Terms Explained Simply

Mon, 03 Nov 2025 16:00:00 +0200

SEO Glossary: Key Terms Explained Simply

Search Engine Optimization (SEO) is built on many technical, semantic, and strategic concepts.
This glossary helps you understand the key terms used by SEO experts and developers so you can better interpret reports, tools, and performance data.

A — C

Anchor Text

The clickable text of a hyperlink.
It helps search engines understand the context of the link.

The Fundamental Pillars of SEO: Semantic, Technical, and Authority

Tue, 21 Oct 2025 16:00:00 +0200

The Fundamental Pillars of SEO

Search Engine Optimization (SEO) rests on three inseparable pillars:

Semantic: content and its structure.
Technical: performance, security, and accessibility.
Authority: popularity, brand mentions, and inbound links (backlinks).

In 2025, these pillars are more complementary than ever: search engines continuously evaluate meaning, technical quality, and trust.

I. Semantic Pillar

The semantic pillar is the heart of your content strategy: precisely address search intent and make the topic clear for users and search engines alike.

SEO: What Are the Best Tools Available?

Tue, 21 Oct 2025 14:00:00 +0200

I. Recommended Tools: Technical Checklist

This list focuses on reliable, actively maintained tools that are widely used by SEO and product teams.
For each category, you’ll find its main purpose, what it measures, and when to use it.

1. Test Page Speed and Core Web Vitals

PageSpeed Insights:
Analyzes both real-user (field) and lab performance data, providing actionable recommendations.
Measures Core Web Vitals — INP, LCP, and CLS.
Use it to prioritize performance improvements on key pages (homepages, product pages, blog articles).

Case Study: SEO Analysis of Websites and the SERP

Tue, 14 Oct 2025 14:00:00 +0200

I. Introduction

After presenting the theoretical principles of how search engines work, it’s essential to move on to practice. Analyzing real cases helps explain how websites appear (or fail to appear) in the SERP depending on their technical optimization, content, and authority.

In this section, we focus on the theme of blogs, examining several sites ranked on Google. The goal is to highlight:

The Basics of SEO: How Search Engines Work

Tue, 07 Oct 2025 14:00:00 +0200

I. Introduction

In the world of modern web development, it’s no longer enough to build fast and well-structured websites — they also need to be visible. Whether you’re a frontend or backend developer, your technical choices can strengthen – or limit – how a site is crawled, indexed, and ranked by search engines.

SEO stands for Search Engine Optimization. It’s the set of techniques and practices aimed at improving a website’s visibility in search engine results. Although often seen as a marketing discipline, it largely relies on technical foundations that directly involve developers: code structure, performance, security, mobile accessibility, and structured data.

How to Host a Static Website for Free with GitHub Pages

Tue, 23 Sep 2025 10:30:00 +0200

I. Why Choose GitHub Pages to Host a Static Website?

GitHub Pages is a free service provided by GitHub to host static-only websites (HTML, CSS, JavaScript), with no backend or dynamic server.
It is particularly well-suited for portfolios, project documentation, or simple blogs, especially for developers familiar with GitHub.
The service includes a free .github.io domain, supports custom domains, and has built-in HTTPS.
Limitations: max size ~1 GB, bandwidth ~100 GB/month, no support for PHP, databases, or other server-side languages.

II. Prerequisites and Initial Setup

Create a GitHub account (if you don’t already have one).
Create a public repository named USERNAME.github.io for a user or organization site, or a generic repository for a project site.
Add initial files like README.md or index.html.
Make sure GitHub Actions is enabled to allow build workflows (e.g., Jekyll generation).

Before deploying a static site with GitHub Pages, you need to configure the repository. Here’s how:

Real-Time, Real-Easy: Deploying WebSockets

Mon, 21 Apr 2025 16:06:29 +0200

I. WebSocket Protocol Architecture and Workflow

Establishing a WebSocket involves an initial HTTP(S) handshake, followed by a protocol upgrade to WebSocket.

Main Steps:

Step	Description
1. HTTP Upgrade	The client sends an HTTP request with the `Upgrade: websocket` header.
2. Acceptance	The server validates the upgrade and switches to WebSocket mode.
3. Communication	Data is exchanged in frames, asynchronously and bidirectionally.

Example upgrade request: