Website pre-launch checklist (wp edition)
Dev review

Dev review

Technical todos

Activate SSL (with wpe from my.wpengine.com)
Activate SMTP (use Sendgrid), confirm new domain to Sendgrid, add sendgrid.net spf to domain DNS
Setup max upload size limits
Confirm media upload sizes and run resize if need to (wp)
Make sure webfonts are smoothly loaded (preload heading woff2 if necessary)
Rename /wp-admin/ path