Blog

Since 2003 our blog been the central library for SEO news, professional data analysis and expert opinion on the current trends in the platform economy.

ChatGPT Using Web Searches Less Frequently
We’re curious people so, every day, we analyse numerous ChatGPT responses to a wide variety of prompts. In recent weeks, we’ve noticed that ChatGPT uses web searches significantly less frequently. LLMs are known to struggle with timeliness and tend to fabricate facts (“hallucinations”). To counteract this, some models rely on […]
Johannes Beus
23.09.2025
More work, new chances: How Google’s update changes SERP measurements
Since the end of last week, Google no longer supports the parameter “num=100”, which was used to request the first 100 organic hits of a search. Now, Google only offers 10 hits per request. This change was implemented without warning and impacts all providers that evaluate search results. As a […]
Johannes Beus
17.09.2025
Asda Loses VI in Subdomain to Subdirectory Migration
A huge, interesting and complex e-commerce migration has resulted in a net-loss. The change, likely to be driven by high-level changes in the company, could have advantages in the long-term but Google will take time to re-assess the new content structure.
Steve Paine
03.09.2025
August 2025 Spam Update: Visibility Data, Analysis, and Background
The August 2025 Spam Update was announced on August 26, 2025, and completed on the 22nd September2025. Data, analysis, and rankings of the affected domains will be gradually added to this article.
Steve Paine
29.08.2025
The Top Domains and Content for Winter Holidays
This month, SectorWatch is bundling up warm and heading off-piste into the frosty world of winter holidays to see which brands are sleigh-ing the search rankings – and which need to give their strategy a warm-up. With the peak season approaching, we’re checking on the travel operators and destinations whose […]
Charlie Williams
21.08.2025
SISTRIX Newsletter
Be the first to know with the SISTRIX Newsletter
Register for the newsletter to get news, tools and analysis delivered direct to your inbox

The Best of – SISTRIX Blog

These articles from the last year are exceptional. They helped people, nurtured discussion and spurred thoughts. Here’s our hand-picked selection of the best of SISTRIX Blog.