Technical SEO
Multilingual SEO works better when routing is explicit
Why CA, ES, and EN should have first-class routes, alternates, and canonical metadata from the start.
If a site targets Catalan, Spanish, and English, then those languages should not be implied. They should be routed and declared.
The useful baseline is simple:
/ca//es//en/
Then each section should preserve that structure:
/ca/blog//es/tools//en/contact/
Why this matters
Search engines understand alternate language pages much better when the site does the obvious work:
- each locale has its own URL
- canonical tags point to the current page
hreflangalternates point to sibling translations- sitemap entries include every localized route
This is cleaner than mixing languages on one page or hiding translation behind scripts.
What usually breaks multilingual sites
The most common problems are avoidable:
- default locale pages without stable URL strategy
- translated copy but missing alternate tags
- shared metadata across all locales
- forms that return users to the wrong language
Small mistakes here create indexing ambiguity very quickly.
The practical takeaway
Make the routing model explicit on day one. That gives you:
- cleaner crawl paths
- clearer internal links
- safer future expansion into blog posts and tools
- less rework when you add content depth later