Never, ever (ever) use the HTML 3.2 ˂center˃ tag in emails
I know what you’re gonna say: you never use that tag and/or you never heard of it! But a search of my Inbox (and Spam folder) shows examples every single day. →
Using Lity (and similar lightbox plugins) with Marketo form embeds
A refresher about script-injected scripts and how to best deploy 3rd-party form plugins. →
What happens between “Send Email” and “Soft Bounce”
We know Marketo retries for 24 hours when it encounters transient errors. But how does that work under the hood? →
Enhancing form Select elements using the Chosen JS plugin
Marketo’s use of native HTML inputs — native ˂select˃, ˂option˃, ˂input type=checkbox˃, etc. — is ideal for accessibility and POLA. But it can be hard to resist the occasional enhancement on desktop browsers. →
Why you can’t use the same branding domain across multiple Marketo instances
Ah, sweet and glorious DNS — one of many technologies nobody learns anymore. ٭٭shakes fist at cloud services٭٭ →
2 reasons numeric fields may unexpectedly appear as negative numbers outside of Marketo
A couple of cases where your IT team might think everything looks good (since a value at least exists) but your marketing eye says “Nope.” →
Do your future self a favor and don’t use the form ID (#mktoForm_𝑛𝑛𝑛𝑛) in Custom CSS — use a portable name
Most cardinal rules of “real” programming apply to CSS and HTML, too. One is to avoid magic numbers, like hard-coded ˂form˃ IDs, and use names instead. →
In FlowBoost webhooks, use x-user headers to hide secrets from non-admins
Starting from the new v22, use x-user- headers to pass any secret stuff to FlowBoost. Custom headers don’t show up in the Marketo Activity Log, so only Admins know about them. →