System Requirements

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Updated June 15, 2026

FotoGrids works on any standard WordPress hosting environment. The requirements below apply to both FotoGrids (Free) and FotoGrids Pro.


WordPress and PHP #

RequirementMinimumRecommended
WordPress6.1Latest stable release
PHP7.48.2 or later

Earlier versions are not supported. If your server is running PHP 7.3 or below, or WordPress older than 6.1, you will need to upgrade before installing FotoGrids.


Browser support (wp-admin) #

The FotoGrids gallery editor and plugin settings pages use a React-based interface. Any modern browser works:

  • Chrome 90+
  • Firefox 88+
  • Safari 14+
  • Edge 90+

Internet Explorer is not supported.


Browser support (public galleries) #

The public-facing gallery output is vanilla JavaScript with no jQuery dependency. It works in any browser that supports ES6 and the Intersection Observer API, which covers all browsers released since 2018.

For older browsers that do not support Intersection Observer, FotoGrids falls back to loading all gallery images immediately rather than lazy-loading them. The gallery still displays correctly.


WordPress configuration #

No special server configuration is required beyond a standard WordPress installation. FotoGrids uses the WordPress REST API internally (/wp-json/fotogrids/v1/). The REST API must be accessible — if your site has the REST API disabled or firewalled for non-logged-in users, public gallery data will not load on the frontend.


FotoGrids Pro #

FotoGrids Pro requires FotoGrids (Free) to be installed and active. Pro will not activate if the free plugin is missing or deactivated. Both plugins must be the same major version.

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