if your site uses transparent png the most convenient optimization is to convert that images to webp because they weigh up to 10% of the original. There is a way with nginx to hijack the request to jpg or png images on the webp version if available Before the beginning of the server block add: […]
If you are running your own server, it may be useful to create a jail with fail2ban to block attempts to access your blog. (I assume you already have fail2ban installed) Edit the local jails file: sudo nano /etc/fail2ban/jail.local Find the log path for your server (important) NGINX: /var/log/nginx/access.log APACHE: /var/log/apache/access.log add the wp-auth jail: […]
This example show how display a QR code on mail submit with Contact Form 7 For first go to the 3rd tab and edit the success message (the first) adding at the end %%[_date]-[_serial_number] (so the message will look like “success message sent %%[_date]-[_serial_number]”) ref. https://wordpress.org/support/topic/show-qr-code-on-successful-submission/
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