Contentful

Contentful page To translate an entry:

• Use the top search to filter and search into the different content types
• Duplicate the existing entry and name it with the same name + _ E.g. all-vertebrates -> all-vertebrates_es
• Remember to add the language code (es, fr, pt) on the language field of the entry
• Translate the title and description fields

Transifex https://www.transifex.com/

Transifex translators guide

Use the transifex system for the rest of the strings on the page