Kuldeep Paul

AI browser · Perplexity AI

Comet

Perplexity's search index; Comet adds an in-browser assistant.

Compiled by · Updated Oct 29, 2026

Operator
Perplexity AI
Launched
Jul 9, 2025
Search index
Perplexity's search index; Comet adds an in-browser assistant.Sources: theverge.com
Crawlers
Perplexity-User — blocked by 8.1% of top sites
Referrer in analytics
perplexity.ai
UTM tagging
None added
Ads
No.
Citations
Perplexity answers in a sidebar.
Official docs
docs.perplexity.ai

What this means for visibility

Assistant-driven browsing looks like ordinary Chromium traffic in analytics.

Questions

What search engine does Comet use?

Perplexity's search index; Comet adds an in-browser assistant.

Which crawlers does Comet use?

Comet relies on Perplexity-User. Assistant-driven browsing looks like ordinary Chromium traffic in analytics.

How do I track Comet traffic in analytics?

Clicks from Comet arrive with the referrer perplexity.ai. Add it to an AI channel in GA4 using a source regex.

Does Comet show ads?

No.

Analysis using this data

  1. The opt-out asymmetry: you can block the small AI engines, not the big oneThe AI surfaces with the most users are the ones publishers can't refuse and can't measure.

Other AI engines

ChatGPT · ChatGPT Atlas · Google AI Overviews · Google AI Mode · Gemini · Perplexity · Claude · Microsoft Copilot · Meta AI · Grok · DeepSeek · Le Chat · You.com · Brave Search (Ask Brave) · Kagi Assistant · DuckDuckGo (Duck.ai & Search Assist) · Amazon Rufus (retired)

How to cite this data

This dataset is free to use, including commercially, under Creative Commons Attribution 4.0. The one rule is attribution:

  1. Credit the source as “Kuldeep Paul, kuldeep.cc” wherever you use a figure, chart or table from it.
  2. Link to this page (https://kuldeep.cc/data/ai-search/comet), not to the download file, so readers can check the source of every number.
  3. Include the date. These figures change; say “as of Oct 29, 2026” or link to the version you used.
  4. Mark changes. If you filter, recalculate or chart the data yourself, say so (“analysis based on data from…”).
  5. Cite the original source for single figures when you quote one reported number; it is linked in every row.

In running text: according to Kuldeep Paul's Comet — AI search engine reference (kuldeep.cc). More in the methodology.

APA

Paul, K. (2026). Comet — AI search engine reference [Data set]. kuldeep.cc. https://kuldeep.cc/data/ai-search/comet

MLA

Paul, Kuldeep. "Comet — AI search engine reference." kuldeep.cc, 29 October 2026, https://kuldeep.cc/data/ai-search/comet.

Chicago

Paul, Kuldeep. 2026. "Comet — AI search engine reference." Dataset. kuldeep.cc. Updated Oct 29, 2026. https://kuldeep.cc/data/ai-search/comet.

BibTeX

@misc{paul2026comet, author = {Paul, Kuldeep}, title = {Comet — AI search engine reference}, year = {2026}, howpublished = {\url{https://kuldeep.cc/data/ai-search/comet}}, note = {Dataset, CC BY 4.0, updated 2026-10-29} }

HTML link

<a href="https://kuldeep.cc/data/ai-search/comet">Comet — AI search engine reference</a> (data: Kuldeep Paul, kuldeep.cc)