What is hreflang and when do I need it?
Signals language/region variants; needed when content targets multiple locales.
How do I set hreflang for en-CA and en-US?
Implement reciprocal tags, include x-default, and mirror canonicals per locale.
Can subfolders handle bilingual sites?
Yes-/en/ and /fr/ (for example) with clear navigation and hreflang. Accessibility & Compliance
Do sticky CTAs help?
Yes-make next steps persistent on mobile without obscuring content. International & Multilingual