Page 24 - Monthly Archives: January 2026

A correct heading structure from h1 to h6 turns a web page into a navigable table of contents for screen reader users, who jump from heading to heading with a keyboard shortcut. Skipping levels just for font size quietly breaks that navigation. This article covers the practical one h1 convention, correct hierarchies and fast audit methods for Magento and Hyva stores.

A renamed file looks like a brand new file to git log. With --follow the full history stays visible, but only under certain conditions.

sysctl makes hundreds of kernel parameters changeable at runtime, but a value set only with sysctl -w disappears again on the next reboot. This article shows how changes become permanent through /etc/sysctl.d, which parameters actually matter for a busy web server such as connection backlog, file limits and swappiness, and why blindly copying someone else's tuning guide often does more harm than good.