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Total Blocking Time Explained: What It Means and How to Cut It17.09.2026 · 7 Min. Lesezeit

Total Blocking Time Explained: What It Means and How to Cut It

Total Blocking Time measures how long the main thread is blocked while a page loads. Learn how TBT is calculated, how it relates to…

DMARC for Subdomains: How the sp Tag Protects Your Domain16.09.2026 · 8 Min. Lesezeit

DMARC for Subdomains: How the sp Tag Protects Your Domain

Attackers can spoof subdomains you never use. Learn how DMARC applies to subdomains, what the sp tag does, and how to set policies for…

Subresource Integrity: Protect Your Site From Tampered Scripts16.09.2026 · 8 Min. Lesezeit

Subresource Integrity: Protect Your Site From Tampered Scripts

Subresource Integrity lets browsers reject third-party scripts and styles that have been changed. Learn how SRI works, when to use it and where it…

How to Prioritise SEO Audit Findings: What to Fix First16.09.2026 · 8 Min. Lesezeit

How to Prioritise SEO Audit Findings: What to Fix First

An SEO audit can list dozens of findings. Learn how to rank them by impact and effort, what to fix first, what can wait…

Website Speed Monitoring: Catch Slowdowns Before Customers Do15.09.2026 · 7 Min. Lesezeit

Website Speed Monitoring: Catch Slowdowns Before Customers Do

Websites get slower over time as plugins, tags and content pile up. Learn what to monitor, how often, which tools to use and how…

Changing DNS Provider Without Breaking Your Email15.09.2026 · 8 Min. Lesezeit

Changing DNS Provider Without Breaking Your Email

Moving your domain's DNS to a new host can silently break e-mail. Learn which records to copy, how to compare zones and how to…

How to Add Security Headers on Apache, Nginx, WordPress and CDNs15.09.2026 · 8 Min. Lesezeit

How to Add Security Headers on Apache, Nginx, WordPress and CDNs

Copy-ready examples for adding HSTS, CSP, X-Frame-Options and other security headers on Apache, Nginx, WordPress hosting and CDNs, plus how to verify them.

E-E-A-T Explained: Showing Trust on a Small Business Website15.09.2026 · 8 Min. Lesezeit

E-E-A-T Explained: Showing Trust on a Small Business Website

What E-E-A-T means in plain words, why trust matters most, and practical ways a small business website can show experience, expertise and reliability.

Excessive DOM Size: Why It Slows Pages and How to Fix It14.09.2026 · 7 Min. Lesezeit

Excessive DOM Size: Why It Slows Pages and How to Fix It

A page with thousands of HTML elements takes longer to style, lay out and update. Learn what causes an excessive DOM size, why it…

How to Authenticate Third-Party Email Senders for Your Domain14.09.2026 · 7 Min. Lesezeit

How to Authenticate Third-Party Email Senders for Your Domain

CRMs, helpdesks, newsletter and invoicing tools often send as your domain without proper authentication. Learn how to find them and align each with DMARC.

DNSSEC Explained for Website Owners: Is It Worth Enabling?14.09.2026 · 8 Min. Lesezeit

DNSSEC Explained for Website Owners: Is It Worth Enabling?

DNSSEC signs your DNS records so resolvers can detect forged answers. Learn how it works, what it protects, the risks of misconfiguration and how…

Pagination and SEO: How to Handle Page 2, 3 and Beyond13.09.2026 · 7 Min. Lesezeit

Pagination and SEO: How to Handle Page 2, 3 and Beyond

How search engines treat paginated category and blog pages, why page 2 should not canonicalise to page 1, and best practices for infinite scroll…

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