Technisches SEO
Guides on the technical side of search: crawling, indexing, status codes, canonicals, redirects and sitemaps. Each article starts from a real issue found by a deep crawl and explains why it hides pages from search. We show how to find the affected pages and how to fix them on common platforms, including WordPress. The focus is on problems that affect many pages at once, because they cost the most visibility. Examples come from online shops, company websites and blogs. Read these guides before a redesign, a migration or a big content update.
18.09.2026 · 7 Min. LesezeitCDN and SEO: Setup Choices That Help or Hurt Search
A CDN can speed up every page or quietly block crawlers and serve stale content. The CDN settings that matter for SEO and how…
16.09.2026 · 8 Min. LesezeitWWW, Trailing Slashes and Case: One URL Version Only
www or non-www, with or without a trailing slash, upper or lower case: how URL variants split signals, and how to pick one version…
15.09.2026 · 7 Min. LesezeitTechnical SEO Monitoring: Catch Problems Before Traffic Drops
Technical SEO problems appear silently after updates and releases. What to monitor, how often, which alerts matter, and a routine that catches regressions.
14.09.2026 · 7 Min. LesezeitSearch Console Page Indexing Report: Every Status Explained
What each reason in Search Console's page indexing report means, which statuses are normal, which need action, and how to work through the report…
13.09.2026 · 7 Min. LesezeitMixed Content Errors: How to Find and Fix Them for Good
Mixed content breaks the padlock and blocks scripts on HTTPS pages. How to find every HTTP resource on your site and fix it in…
12.09.2026 · 7 Min. LesezeitSitemap Errors in Search Console: What They Mean and Fixes
"Couldn't fetch", "Sitemap could not be read", invalid URLs and more: what each Search Console sitemap error means and how to fix it on…
11.09.2026 · 7 Min. LesezeitWordPress Crawl Waste: Feeds, Attachments and Junk URLs
WordPress quietly creates many URLs nobody needs in search: attachment pages, feeds, date archives, search and parameter URLs. How to find and tame each…
10.09.2026 · 7 Min. LesezeitOut-of-Stock and Discontinued Products: What to Do for SEO
Keep, redirect, 404 or 410? How to handle temporarily out-of-stock, discontinued and seasonal product pages without losing rankings or frustrating shoppers.
08.09.2026 · 7 Min. LesezeitHow to Remove a Page From Google Search, Step by Step
How to remove pages from Google: noindex, 404 or 410, redirects, the Removals tool and outdated content requests, and which method fits each situation.
07.09.2026 · 8 Min. LesezeitX-Robots-Tag: How to Control Indexing With HTTP Headers
X-Robots-Tag lets you set noindex and other directives in HTTP headers, including for PDFs and images. How to use it, where to set it…
06.09.2026 · 7 Min. LesezeitStaging Site Indexed by Google? How to Fix and Prevent It
What to do when a staging or development site shows up in Google, how to remove it safely, and how to stop staging settings…
05.09.2026 · 8 Min. LesezeitMobile-First Indexing: What Must Match on Mobile and Desktop
Google indexes the mobile version of your pages. What must match between mobile and desktop: content, links, metadata, structured data and media.