Guides
Focused explanations for common website, network, and developer tasks.
How to audit a website
A practical workflow for reviewing SEO, technical, security, performance, and accessibility signals.
How to check DNS records
Understand the DNS records that help a domain route web traffic and email.
How to check an SSL certificate
Review certificate validity, identity, and expiration for a public HTTPS site.
HTTP status code guide
A concise reference for the response codes developers and site owners encounter most often.
DNS record types guide
A plain-language reference for A, AAAA, CNAME, MX, TXT, NS, SOA, and CAA records.
Website launch checklist
A focused checklist for the technical and user-facing details to verify before launch.