# Krawl > Technical SEO for complex sites: migrations, redirects at scale, Core Web Vitals, schema markup, and visibility in AI search. Krawl also publishes original datasets with the methods that produced them. Research figures on this site are free to cite with a link. The underlying datasets are available on request at contact@krawl.digital. ## Research - [Krawl Research](https://krawl.digital/research/): Original datasets, published with the selection rules, the rejected rules and the cleaning that produced them - [AI in the Name (UK)](https://krawl.digital/research/ai-in-the-name/): One in 184 new UK companies has AI in its registered name, and 23.1% are registered at addresses that are not offices. Companies House, September 2026 - [AI in the Name (New York)](https://krawl.digital/research/ai-in-the-name-new-york/): One in 414 new New York companies has AI in its name, eleven times the 2022 share, and most now put AI last. New York Department of State register, September 2026 ## AI search and generative engine optimisation - [AI SEO hub](https://krawl.digital/ai-seo/): How to get retrieved, cited and named by AI search - [Get cited by ChatGPT](https://krawl.digital/ai-seo/get-cited-by-chatgpt/): What makes a page quotable to an assistant - [llms.txt explained](https://krawl.digital/ai-seo/llms-txt/): What the file is for and what belongs in it - [Track AI traffic in GA4](https://krawl.digital/ai-seo/track-ai-traffic-ga4/): Separating assistant referrals from organic search ## Core Web Vitals - [Core Web Vitals hub](https://krawl.digital/core-web-vitals/): Field data, lab data and what actually moves the numbers - [PageSpeed Insights vs Core Web Vitals](https://krawl.digital/core-web-vitals/pagespeed-insights-vs-core-web-vitals/): Why the two disagree and which one ranks - [Fix INP from third-party scripts](https://krawl.digital/core-web-vitals/fix-inp-third-party-scripts/): Attributing interaction delay ## Website migrations and redirects - [Website migration hub](https://krawl.digital/website-migration/): Preserving rankings through a replatform - [Migration checklist](https://krawl.digital/website-migration/seo-checklist/): The full pre-launch and post-launch sequence - [Traffic drop after a migration](https://krawl.digital/website-migration/traffic-drop-after-migration/): Diagnosis and recovery - [Redirects hub](https://krawl.digital/redirects/): Redirect strategy, mapping and management at scale ## Schema markup - [Schema markup hub](https://krawl.digital/schema/): Structured data that search engines and assistants read - [Schema errors guide](https://krawl.digital/schema/errors-guide/): The errors that suppress rich results, and their fixes ## Free tools - [llms.txt generator](https://krawl.digital/ai-seo/llms-txt-generator/): Build a spec-compliant llms.txt - [Schema gap analyzer](https://krawl.digital/schema/gap-analyzer/): What structured data a page is missing - [Page speed simulator](https://krawl.digital/core-web-vitals/simulator/): How a change would move the numbers - [Bulk redirect tool](https://krawl.digital/redirects/bulk-redirect-urls/): Map and generate redirects in bulk ## About - [About Krawl](https://krawl.digital/about/): Who does the work - [Case studies](https://krawl.digital/case-studies/): Campaigns with the numbers attached - [Contact](https://krawl.digital/contact/): Including dataset requests