Cache and CDN: why you cannot see a published change
Cache and CDN: why you sometimes cannot see a change you just published, what Cache-Control does and how to force an update when you need to.
Knowledge center
Step-by-step guides for clients and technical documentation for anyone who wants to understand how their website works: domain, email, Google, speed and security.
SPF, DKIM and DMARC: make your email reach the inbox
What SPF, DKIM and DMARC are, how they are set up in DNS and how to check that your email does not end up in spam or get forged in your name.
Core Web Vitals: what they are and how to improve them
What Core Web Vitals are (LCP, INP and CLS), which values count as good, how to measure them and which concrete changes make your website faster.
DNS records explained: A, CNAME, MX and TXT
What DNS records are, what A, AAAA, CNAME, MX and TXT are for, how TTL works and how to change them without taking your website or your email offline.
Website security basics: HTTPS, headers and access
A practical guide to website security: HTTPS, security headers, access control, updates and backups to reduce the risks of an online site.