A good share of Google Shopping is free, and the setup work is mostly getting your website and your feed right. What Google checks, what a feed needs, and why products get disapproved.
Hooks are why you can customise CubeCart and still upgrade. The hook editor, extension ownership in the registry, and a Smarty security policy that changed four times.
CubeCart’s REST API covers nine resources with Bearer token authentication and per-key rate limiting. What you can build with it, how authentication works, and the one version you must not run it on.
WordPress sites are recruited into attacks on other people constantly, and the owner usually notices nothing beyond the site feeling slow. How to check your logs, and the two-minute fix.
If your order confirmations land in spam, the cause is usually not your mail server. It is that receiving servers cannot verify you are allowed to send for your domain. Here is how to fix that properly.
If a CubeCart feature seems to fire erratically or not at all, this is almost certainly why. Setting up a real cron entry is the single most useful thing most stores are missing.
When email goes missing, lands in spam, or looks forged, the answer is in the headers. Where to find them in every major mail client, and how to read the one line that answers most questions.
Categories and products can now be restricted to specific customer groups, with bulk group pricing tools. Trade and retail from one store, without a plugin.
Most speed advice is a checklist with no order to it. This is the sequence we actually work in, why the server comes before the images, and the optimisations that are not worth your time.
The SEO fundamentals are not complicated: mostly things you do once, properly, when you build a site. Including why the old advice about blocking search engines in robots.txt is now wrong.