What does cause io overuse ? (these are my plugins)

[wackyblackie]

@AnisMehmahi

can Cloudflare causes io overuse

No.

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Maybe see this post:

I/O Suspension (x5)

Based on my knowledge some may have contributed to the I/O though: Aryo Activity Log WP-Ban❌ Ultimate Member❌ WooCommerce (A custom plugin I copy-pasted from somewhere to stop admin emails from being sent when any member changes their password) WPForms WP Mail SMTP The Events Calendar Roles & Capabilities Loginizer❌ Advanced noCaptcha & invisible Captcha (v2 & v3) …

@AnisMehmahi

Elementor

Using Elementor is not a good idea.