How to Fix Slow Comment Submission in WordPress

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After switching back to the default WordPress comment system from Duoshuo due to Gravatar being blocked, I found that while the default system loads faster overall, its functionality is weaker. However, a new issue arose: when posting as a guest, comments would take dozens of seconds to submit successfully.

The root cause was found to be an unreasonable backend configuration. Here is the solution:

In the WordPress admin panel, go to Settings > Discussion and uncheck the following two options:

  • Email me whenever anyone posts a comment
  • Email me whenever a comment is held for moderation

By disabling these options, the system will no longer attempt to send emails when a user submits a comment, which significantly improves submission speed. This change does not affect the comment reply notification feature.\n Discussion Settings

Discussion Settings