1. Analyze website structure and language/region targeting.
2. Detect existing hreflang tags and implementation method.
3. Validate language and region codes against ISO standards.
4. Check for self-referencing and return tag errors.
5. Generate correct hreflang tags for each language/region.
6. Implement the tags using the chosen method (HTML, HTTP headers, or XML sitemap).
7. Validate the implementation using a hreflang checker tool.