Paste a client site URL to verify it against MYAIO's install requirements.
HTTPS, REST API, permalinks, and WP version are checked live. For PHP, database,
memory, and uploads, drop companion-plugin/myaio-preflight-check.php into
wp-content/mu-plugins/ and paste the token shown in wp-admin.
companion-plugin/myaio-preflight-check.php on the target site and re-run with its token.