What do crawling, indexing, and serving mean?
Crawling means that a search engine can reach and read your page. Indexing means that the page is stored in the search index. Showing means that Google can show the page as a result. A blockage in one of those three steps holds back rankings.
Which technical SEO tasks have priority?
Not every technical problem is equally urgent. Prioritize errors that block, slow down, or keep commercial pages out of the index.
| Part | Why it counts |
|---|---|
| Sitemap.xml | Points search engines to your most important pages |
| Robots settings | Determine which parts of the site can be crawled |
| Canonicals | Prevent duplicate pages from competing with each other |
| Redirects | Maintain authority for changed URLs |
| Mobile-friendliness | Google primarily assesses websites for mobile use |
| Speed and stability | Improve experience, conversion and ranking opportunities |
How do you recognize technical SEO problems?
Technical problems are often first seen in Google Search Console, not in the browser. A page appears normally accessible to visitors, but may still be incorrectly canonicalized, blocked or too slow for Google.
| Symptom | Possible cause |
|---|---|
| Page is not in Google | Noindex, robotsblock, canonical or low quality |
| Ranking drops after redesign | Redirects, changed URLs or disappeared internal links |
| Lots of crawl errors | Broken links, old URLs or wrong sitemap |
| Low mobile scores | Slow scripts, heavy images or unstable layout |
What role do Core Web Vitals and speed play?
Speed is a ranking factor and a conversion factor. Google uses Core Web Vitals to assess loading speed, interactivity, and visual stability. You can read how to improve those statistics at Optimize Core Web Vitals. You check them with PageSpeed Insights and Google Search Console.
How does structured data help with machine readability?
With structured data and schema.org you clarify visible entities and relationships for systems that process schema.org. This helps with rich results and consistent information about services, articles and organizations, but is no guarantee of inclusion or citation in an AI system.
What do you check during a technical SEO audit?
A good SEO audit first looks at the pages that should generate sales. Only then to general scores. A perfect score on the homepage means little if your service pages are not properly indexable.
- Indexing status of commercial pages in Search Console.
- Redirect chains, 404 pages and canonicals.
- Sitemap, robots.txt and internal links to important URLs.
- Core Web Vitals by page type, not just on the homepage.
- Structured data errors and missing schemas.
From practice
The most underestimated technical error is often in indexing. Pages are accidentally set to noindex or point to a different URL with the wrong canonical. That's why we start with Search Console before diving into speed tools.
When do you do an audit or migration?
Schedule a technical check at least quarterly, and always after major changes to CMS, templates, URLs or navigation. If you move to a new domain, CMS or new structure, careful SEO website migration is necessary to avoid losing rankings.
When does SEO technology become technical SEO?
SEO technology is usually about technical SEO when the search query revolves around speed, crawlability, indexing, structured data, canonicals, redirects or site architecture. That is different from general SEO techniques such as improving content or adding internal links.
Anyone searching for SEO technology can therefore have two intentions: a technical explanation or a broader overview of methods. For the second, there is a separate page about SEO techniques.
What is the difference with on-page SEO?
Technical SEO ensures that Google can reach, process and understand your page. On-page SEO determines what that page says in terms of content. You need both: technical errors block visibility, but technical perfection doesn't automatically make weak content strong.