via wptavern.com => original post link
WordPress’ Performance team is proposing merging Performant Translations into core in time for the upcoming WordPress 6.5 release. After an in-depth performance analysis earlier this year revealed that translations can significantly impact server response times, the team discussed various solutions and landed on one that requires no configuration from users. More than 2,000 WordPress sites have tested it through the Performant Translations feature plugin, after it was released in August.
Performance Team contributor Pascal Birchler, who penned the proposal to merge the plugin into core, explained how it speeds up sites using translations:
Performant Translations is powered by a new, lightweight i18n library that is faster at loading binary MO files and uses less memory. It even supports loading multiple locales at the same time, which makes locale switching faster. In addition to that, it supports translations contained in PHP files, avoiding a binary file format and leveraging OPCache if available. If an MO translation file has a corresponding PHP file, the latter will be loaded instead, making things even faster and use even less memory.