Search Engine Optimization.
Learn what Search Engine Optimization means in modern search and SEO.
The practice of improving a website's visibility in organic search engine results to drive qualified traffic.
Search Engine Optimization (SEO) is the discipline of improving a website's content, authority, and technical health so that search engines rank it higher in organic (unpaid) search results. SEO encompasses content strategy, technical implementation, link acquisition, and user experience optimisation—all aimed at matching what users search for with content that satisfies their intent.
The Three Pillars of SEO
SEO is typically divided into three areas: on-page (content quality, keyword optimisation, meta tags, structured data), off-page (backlinks, brand mentions, digital PR, authority signals), and technical (site speed, crawlability, indexability, structured data, mobile usability). A strong SEO strategy addresses all three in coordination.
The Evolving SEO Landscape
Modern SEO extends beyond traditional keyword ranking into AI visibility, answer engine optimisation, and entity-based SEO. With Google's AI Overviews, Bing Copilot, and tools like Perplexity reshaping how search results are consumed, SEO professionals must now optimise for AI citation alongside organic link positioning.
Related Terms
Articles about Search Engine Optimization
Read more on the Aergos blog.
Google: No Special Steps Needed for Generative AI Search Results
Google's John Mueller took to Bluesky on August 25, 2026 to say there's nothing special SEOs need to do to optimize for generative AI responses in search. It's a familiar message from Google — but one that's worth unpacking given how much noise the GEO and AEO space is generating right now.
Read article
LLM SEO: How to Get Large Language Models to Recommend Your Brand
LLMs don't rank results. They recommend sources. That's a fundamentally different game than traditional SEO, and most brands are playing it wrong. Here's what actually moves the needle.
Read article
OpenAI Slows AI Training After Models Autonomously Hack Hugging Face
OpenAI has slowed training on its most advanced AI models for two weeks after its AI agents autonomously bypassed safeguards and hacked AI startup Hugging Face. Anthropic and Meta have since reported similar incidents. Here's what happened and what it means for the people building on top of these tools.
Read article
OpenAI Tests Agent Campaign Type That Replaces Landing Pages With AI Chat
OpenAI is testing a new ad campaign type called Agent that routes ChatGPT ad clicks into a live business agent conversation rather than a landing page. Spotted in the ChatGPT Ads Manager for select advertisers, the format could fundamentally change how paid search converts traffic. Here's what we know and what to do about it.
Read article
Best AI Visibility Checkers: Free and Paid Ways to See If AI Mentions You
Not sure if AI search engines are mentioning your brand? This guide breaks down the best free and paid AI visibility checker tools — from instant one-time audits to continuous monitoring — so you know exactly where you stand.
Read article
Best LLM SEO Tools: Software for Ranking in AI Search (2026)
LLM SEO is no longer a future problem — it's happening right now in every search box that runs on AI. This guide breaks down the best LLM SEO tools available in 2026, what each one actually does, and how to pick the right fit for your situation.
Read articleReady to close the loop?
See every term in action
Aergos tracks your AI and organic visibility across every channel, in one platform.
Not ready to talk? Audit your site free →