What is minimum time interval for which a cron be scheduled?

WP-Cron ist not a fully fledged cron implementation or something. It’s actually rather simple.

On every page load, a list of scheduled tasks is checked to see what needs to be run. Any tasks scheduled to be run will be run during that page load.

By default, tasks can be scheduled to be run hourly, twice a day or daily. That can be changed to anything though, see wp_get_schedules().

WP-Cron does not run constantly as the system cron does; it is only triggered on page load. Scheduling errors could occur if you schedule a task for 2:00PM and no page loads occur until 5:00PM. In that case, scheduling cron to run every minute is pointless and you should look at setting up a proper system cron job.

However, there’s rarely a case where you need to set up a cron to run that often. Running it every 10 minutes or so should be totally fine.

Related Posts:

  1. Which action for triggering cron “wp”or “init”?
  2. wp_schedule_event in a class
  3. WP Cron – Run Cron after evey 15 minutes at a specific time for the next three hours
  4. Using wp_cron with custom time interval and the register activation hook
  5. WordPress scheduled task is called but not executed
  6. Problem creating cron job wordpress
  7. How Do I Make WordPress Run an Event Every Day?
  8. How can I change the frequency of a scheduled event?
  9. Hourly WP schedule, do I need at least 1 visitor hourly?
  10. WP Cron doesn’t save or in post body
  11. Is there any background process that I can run from plugin without depending on page hits on a website without affecting page-load speed?
  12. WordPress cron running twice
  13. Scheduling a task using class methods
  14. Will cron job run if page loaded is being served from cache?
  15. Use wp_set_post_terms() instead of wp_insert_post()
  16. Programmatically detect if wp-cron is disabled?
  17. How to schedule a cron job in plugin without waiting for page load request?
  18. How to perform a heavy and long process in cron jobs?
  19. WordPress daily cron is executing more frequently than once a day
  20. wp-cron and execution of code in is_admin() included script
  21. How to Trigger WP CRON at Local Timestamp?
  22. WP Cron being triggered but not working as expected
  23. wp_schedule_event() set daily, but processed every second
  24. Will I get an error if I try unscheduling a WP Cron scheduled task that wasn’t scheduled?
  25. Looking for a better way to initiate cron job
  26. WordPress plugin cron working only if admin is logged in
  27. How to make a cronjob type plugin
  28. wp_schedule_single_event is set correctly but sometimes not fired
  29. How to Run Plugin on Server Without Web Browser
  30. Plugin with functions inside a class & how to trigger WP CRON
  31. Custom recurrence not working / Wp Cron event
  32. How and when would I implement some code which would take data from one part of the Db and put it in another?
  33. WP Cron as Fast as WordPress AJAX?
  34. Detect each active instance of a widget
  35. What is the use of wp_schedule_event hook?
  36. Can wp_schedule_single_event be used to run background proccess?
  37. Call do_action() within WordPress cronjob
  38. Running one-off cron jobs when WP_DISABLE_CRON is true: can I hit /wp-cron.php?
  39. wp cron does not run when i am not logged in to wp admin
  40. How can I add an option to the Page Template list from a Plugin?
  41. Using composer for dependency management in plugindevelopment
  42. What is nonce and how to use it with Ajax in WordPress? [duplicate]
  43. Build path for a custom portfolio plugin
  44. How to save block attributes when the output doesn’t change
  45. add_filter and remove_filter added before and after wp_query
  46. What is the difference between strip_tags and wp_filter_nohtml_kses?
  47. How can I hook into existing WordPress Bulk actions?
  48. Scheduled event does not run at midnight
  49. creating elements/innerblocks via rangecontrol
  50. How to check if current static page is frontpage from admin plugin
  51. Woocommerce add custom button to backend order table
  52. Converting theme widgets to plugins?
  53. Sample — test — data for large WordPress install
  54. Earliest WP Hook to Safely and Reliably Redirect
  55. What is rich_editing?
  56. How Can I setup WP CLI on Windows development machine running AMPPS?
  57. WP_LOCALIZE_SCRIPT doesn’t work
  58. Is it possible to delay execution of shortcode output callback?
  59. wp_enqueue_script + wp_enqueue_style Since When
  60. Frontend Ajax call not working using wp_ajax, wp_enqueue_script and wp_localize_script
  61. best practice for query string values – get_query_var always empty for my value supplied in query string
  62. update post meta for checkbox in the admin when inserted in the front-end
  63. Plugin development: can’t update settings with multiple settings sections
  64. How to implement filesystem cache in WordPress
  65. Check for template part, else filter content
  66. How can I add a custom “Text” widget to Appearance manager from functions.php?
  67. what are the checksums surrounding keywords in the SQL generated by WP_Query and do I need to use them too?
  68. Is it possible to make sure that only my plugins output is shown to the enduser?
  69. How to do POST request with WP REST API v2 to custom table?
  70. Plugin generated virtual pages
  71. add javascript files only when plugin is called?
  72. wp_dropdown_roles() to replace option value = code
  73. Make a plugin page out of influence of the theme’s style
  74. plugin_dir_path wrong url
  75. 400 Bad Request, in wordpress theme development, wp_ajax
  76. Return Value of load_plugin_textdomain
  77. Special Formatting for WordPress Plugin Description?
  78. Multiple array for post_content on plugin activation
  79. Check if the current user is author of first comment
  80. custom wp_editor does not save the content in plugin settings
  81. Change the behaviour of a button
  82. Login page too many redirects
  83. Configuring Xdebug with docker compose
  84. Progress bar in plugin within admin
  85. Jquery php request is returning a weird result
  86. WordPress admin panel not working
  87. Load script on frontend from widget plugin
  88. Can’t get wpColorPicker to work in a widget
  89. Get the current post/page URL with plain permalinks
  90. ajax multiple Values
  91. Ajax functionality not being called under wordpress plugin
  92. Add a description/hint field in the admin page of a plugin
  93. Saving multiple fields as array
  94. Serialized Data
  95. I don’t understand how symlinks in plugin work
  96. Undo operation not working in Rich text [Gutenberg]
  97. Fetch Custom Woocomerce filed data and check the data avialble in Wp-user table as nicname or username using function.php
  98. How to get locale within WP REST Request?
  99. How to add extra EXIF data when images are uploaded?
  100. How to boost WP custom post REST API GET queries by custom taxonomies
tech