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Technical SEO

What is SEO for a website?

SEO is the work of making a website easy for search engines to find, understand and rank. What it involves in practice, what is technical and what is content.

SEO, search engine optimization, is the work of making a website easy for search engines to crawl, understand and choose for relevant searches. It has three parts: technical foundations so pages can be found and indexed, content that answers what people search for, and reputation from links and mentions. None of it guarantees rankings.

Published · Last updated

By Michal Měřínský. Audit methodology.

What SEO is

Search engines work in three stages. They crawl the web by following links, index the pages they decide to store, and rank indexed pages for each search. SEO is everything you do so your pages pass each stage: reachable by the crawler, worth storing, and the best answer for the searches you care about.

The three parts

  • Technical. The site loads, returns correct status codes, can be crawled, is not accidentally blocked or noindexed, uses HTTPS, works on mobile and is fast enough. This is the part that can be measured and fixed with certainty.
  • Content. Pages that answer what people actually search for, better than the alternatives. This is where most rankings are won.
  • Reputation. Links from other sites, mentions, reviews and a recognisable brand. Search engines use these as evidence that a page is worth showing.

What to do first on a new site

  • Make sure every page has a unique title, a meta description and one clear heading.
  • Check robots.txt is not blocking the site and no page is accidentally noindexed.
  • Publish an XML sitemap and submit it in Google Search Console.
  • Use HTTPS and redirect HTTP to it.
  • Make sure the content is in the served HTML, not only rendered by JavaScript after load.
  • Write pages for real questions your customers ask, one topic per page.
  • Link your important pages from your navigation and from each other.

What SEO is not

  • It is not a one-time setup. Sites change, competitors publish, and search engines update.
  • It is not keyword stuffing, hidden text or bought links. Google's spam policies name these, and they cause more damage than they ever earned.
  • It is not instant. New sites typically take weeks to months to rank for anything competitive.
  • It is not guaranteed. Anyone promising a first position is selling something other than SEO.

SEO and AI search

AI answers in Google and in assistants such as ChatGPT and Perplexity are built on the same foundation: pages that can be crawled, are clearly written and answer questions directly. The technical and content basics that serve classic search also decide whether AI systems can find and cite your pages.

What a scan can and cannot tell you

WebAuditOS checks the technical layer: titles, descriptions, headings, sitemap, robots rules, noindex, canonicals, status codes, structured data, speed and more, on eligible fetched pages, with browser measurements sampled.

It cannot judge whether your content is the best answer for a search, how strong your links are, or where you rank. Those need Search Console data, keyword research and honest comparison with the pages that rank today.

A technically perfect site with nothing worth reading will not rank. A technically broken one may not rank no matter how good the content is. You need both.

Short answers

How long does SEO take? Usually weeks for technical fixes to show and months for competitive rankings.

Can I do SEO myself? Yes. The fundamentals are well documented by Google and need no special tools.

Is SEO still worth it with AI search? Yes. AI answers draw on the same crawlable, clearly written pages.

What is the most common technical SEO mistake? Pages accidentally blocked or noindexed after a launch.

In the product

The checks this maps to

Every check named here runs on every scan, on every plan - what a plan changes is how many pages are crawled, how long the history is kept and what you can do with the result. These are the ids the findings carry, so you can match a line in a report to the explanation above.

Technical SEO

What is Google Search Console, and how do you use it?

Search Console is Google's free tool for seeing how your site performs in search. How to set it up, the reports that matter, and what it cannot tell you.

Technical SEO

What is technical SEO, and what does it cover?

Technical SEO is the part of SEO that makes a site crawlable, indexable and fast. What it covers, how to check it, and where it stops and content takes over.