AI Crawler
Schema Markup and AI in 2025: What ChatGPT, Claude, Perplexity & Gemini Really See
8 Tests with 5 AI Systems show:
JSON-LD is ignored — but Google indexes JavaScript correctly!
December 2, 2025
No Comments
Expert knowledge on SEO testing, international strategies, web analytics, and more.
8 Tests with 5 AI Systems show:
JSON-LD is ignored — but Google indexes JavaScript correctly!
Comprehensive JavaScript Rendering Analysis & Bot Behavior Patterns
In 2025, bots account for the majority of global web traffic. The real challenge lies in stopping abuse without disrupting authentic user experiences.
Google introduced a game-changing feature for Google Search Console in 2023: the ability to export data directly to BigQuery. When we activated the export feature,
Based on our experience from a big number of website relaunches, we have compiled this website relaunch SEO checklist with lots of details and a free PDF version.
When you use hreflang as well as canonical tags on your website, you have to be careful not to send confusing signals to Google. Here’s how to implement hreflang when you already have a canonical tag solution on your website.
We crawled over 200 domains, including all URLs linked from their homepages and the homepages themselves, and examined the differences between the rendered and non-rendered
What are “service workers” and how do they work? A service worker is a Javascript process that runs in the browser background. The service worker
Among all of the factors you have to consider when migrating a website, your URL redirects are probably the single most important one. In this article, you will learn everything you need to know about testing your redirects before and after a website migration.
This case study describes how we used a basic implementation of Cloudflare’s HTML caching feature on an e-commerce website to improve average page load times by 28%.
In order to eliminate spam traffic from your Google Analytics account, it is important to understand how the spam traffic gets into your account in the first place. This article explains how spam traffic in Google Analytics works and discusses various solutions to tackle the problem.
It’s a common practice to block entire staging environments via robot.txt – Learn about better ways to make sure your staging website doesn’t get indexed.
English English 
German