Tooling
SISTRIX
SEO visibility platform widely used for post-core-update analysis. Source of the analysis that showed Google's May 2026 update favoured intent-aligned pages and the GPT-5.5 citation-pattern shift.
What it is
SISTRIX is an SEO visibility platform used widely to analyse search performance, especially after Google core updates. It published analysis showing the May 2026 update favoured intent-aligned pages.
Why it matters
Understanding which content characteristics win after an update guides how you structure pages so they remain visible across both classic search and AI answer engines.
How it works
Practitioners track the visibility index for domains and keyword sets before and after an update, then compare winners and losers to infer what the algorithm rewarded.
When it applies
Reach for it when diagnosing ranking movement around a core update or benchmarking domain visibility over time.
Examples
- Charting a domain's visibility index drop following a core update.
- Comparing winning and losing pages to identify intent alignment patterns.
- Benchmarking a client's visibility against category competitors.
How it is measured
- Visibility index over time
- Keyword ranking distribution
- Winner and loser domain movement
- Intent alignment of ranking pages
Related terms in Tooling
- Ahrefs Brand RadarAhrefs' AI-visibility module tracking brand mentions and impressions inside AI answers. Surfaces shifts in how brands appear across ChatGPT, Gemini, and other LLM surfaces.
- ProfoundAI-visibility platform for marketers tracking brand mentions and citation share across LLM surfaces. Added Documents (June 2026) and a redesigned Sentiment tool to move beyond surface-level metrics.
- Project GlasswingAnthropic's research initiative supporting organisations applying AI to high-stakes problems. Expanded in June 2026 to approximately 150 new organisations across 15 countries.