Blog
Guías sobre salud web, SEO, velocidad, SSL y entregabilidad del correo.
Links in Emails: Tracking Domains, Shorteners and Deliverability
The links in your e-mails affect whether they reach the inbox. Learn how click tracking, shorteners and linked domains influence filters and what to…
27 sept 2026 · 7 min de lecturaWebsite Security Audit Checklist: What to Check and in What Order
A practical website security audit checklist: HTTPS, certificates, headers, software, access, backups, DNS and e-mail, ordered by impact with clear targets.
26 sept 2026 · 8 min de lecturaCategory Page SEO for Online Shops: A Practical Guide
How to make e-commerce category pages rank: clear titles, useful introductions, crawlable product links, controlled filters, pagination and internal links.
26 sept 2026 · 7 min de lecturaLanding Page Speed for Paid Ads: Stop Paying for Lost Clicks
Every paid click that leaves before your landing page loads is wasted budget. Learn why ad landing pages are often slow and how to…
26 sept 2026 · 8 min de lecturaSPF Record Examples for Common Small Business Setups
Practical SPF record examples for Google Workspace, Microsoft 365, website mail, newsletter tools, own servers and parked domains, with the pitfalls to avoid.
25 sept 2026 · 7 min de lecturaSSL Certificates Are Moving to 47 Days: What Site Owners Must Do
Maximum SSL certificate lifetimes are falling step by step to 47 days by 2029. Learn the timeline, who is affected and how to prepare…
25 sept 2026 · 8 min de lecturaSEO Myths Small Businesses Still Believe, and What Is True
Common SEO myths about meta keywords, word counts, submitting to Google, duplicate content penalties and quick rankings, with what actually matters instead.
25 sept 2026 · 7 min de lecturaFirst Contentful Paint (FCP): What It Is and How to Improve It
First Contentful Paint marks when visitors first see something on the page. Learn what FCP measures, what a good value is and how to…
24 sept 2026 · 8 min de lecturaIs Your Email Encrypted? TLS and STARTTLS Explained Simply
Most e-mail is encrypted between servers with TLS, but not always and not end to end. Learn how STARTTLS works, how to check it…
24 sept 2026 · 8 min de lecturaHow to Automate SSL Renewal With Certbot (and Verify It Works)
Set up Certbot so Let's Encrypt certificates renew automatically: timers, reload hooks, DNS challenges behind CDNs, dry runs and checks for silent failures.
24 sept 2026 · 8 min de lecturaOpen Graph Tags: Control How Your Pages Look When Shared
What Open Graph tags are, which ones every page needs, the right image size, how they relate to titles and descriptions, and how to…
24 sept 2026 · 7 min de lecturaWhy Your Website Got Slower After a Redesign (and How to Fix It)
A new design often launches slower than the old site. Learn the usual causes, how to compare old and new and how to recover…