A lot of people talk about content. But without a technical foundation, your website remains invisible — both to Google and to AI search systems. Technical SEO ensures that content can be understood, indexed and integrated into answers.
AI search engines such as ChatGPT, Perplexity or Gemini work differently than classic search engines. However, the following applies: You need clean, structured websitesto understand content. Bad crawling structures, missing schema markup or slow load times prevent your content from being processed reliably. The result: You don't appear in classic SERPs or AI summaries. This article is part of our series Visibility in the AI era.
Only pages that Google processes correctly can also rank. Clean indexing is therefore the basic requirement for every SEO and AI strategy.
A deeper look at the differences between crawling mechanisms can be found in our article Understanding AI crawling.
With Schema markup Make content machine-readable and increase the chance of rich snippets. At the same time, AI systems make it easier to interpret facts reliably. ”
A fast website is not only crucial for users, but also for rankings. Die Core Web Vitals measure load time, interactivity and visual stability — and are now a central ranking signal.
A technical SEO audit uncovers weaknesses and provides a clear roadmap. This is the only way to ensure that content is indexed quickly, correctly and completely — on Google and in AI systems.
That means:
Technical SEO is the basis for visibility — on Google and in AI search systems. An audit shows where obstacles lie and ensures that content is found quickly, correctly and completely.
Content alone is no longer enough — neither for Google nor for AI search systems. If you want to survive in visibility, you need a technically clean basis: fast loading times, clear structures, clean markup.
A technical SEO audit is not a “nice-to-have” but a prerequisite for making content permanently discoverable — whether in classic rankings or in the new AI answers.
Why does Perplexity find your competition but not your website? AI systems crawl differently than Google: faster, more semantic, more sophisticated. This guide explains the three ways AI accesses websites and uses a 5-minute test to show you how crawlable your site really is.
