Beckin Maintenance Mode is a lightweight, secure plugin that lets administrators safely put their WordPress site into maintenance mode without hurting SEO. It sends the proper 503 Service Unavailable header with an optional Retry-After value, shows a maintenance page to visitors while still allowing admin logins, and prevents caching to ensure your site reopens cleanly. While maintenance mode is active, logged-in admins (and any other allowed roles) can continue working in the dashboard and browse the frontend normally. To preview the maintenance / coming soon page as a visitor, you can do any...
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