Review preview. Private, not for sharing. Data snapshot October 2026 cohort, assembled 2026-11-07.
ZERO CLICKS GIVENAI Search Leaders

All sites / Australia / #42 / Health and medical / publisher / US Government

nih.gov kept its Google rankings and lost 11% of its search traffic.

estimated monthly search visits, Oct 2024
2.4M
estimated monthly search visits, Oct 2024
estimated monthly search visits, Oct 2026
2.2M
estimated monthly search visits, Oct 2026
change in estimated search traffic
−11%
change in estimated search traffic
change in keywords ranking top 3
+42%
change in keywords ranking top 3

Estimated search traffic

01.5M3.0M2024-10-28: AI Overviews expand to 100 or more countries2024-10-29: AI Overviews roll out in Australia2024-11-11: November 2024 core update2024-12-12: December 2024 core update2025-03-13: March 2025 core update2025-06-30: June 2025 core update2025-08-21: AI Mode expands to 180 more countries in English2025-10-07: AI Mode adds 35 languages and 40 countries2025-10-08: AI Mode launches in Australia2025-10-15: Ads inside AI Overviews reported in Australia2025-11-18: Gemini 3 ships in AI Mode2025-12-11: December 2025 core update2026-01-27: Gemini 3 default for AI Overviews, handoff to AI Mode2026-03-27: March 2026 core update2026-05-19: I/O 2026: AI Mode hits 1 billion users, Gemini 3.5 Flash2026-05-20: AI Overviews and AI Mode combined worldwide2026-05-21: May 2026 core update2026-09-29: AI Mode information monitoring for all usersOct 20242.4MOct 20252.7MOct 20262.2M
nih.gov, Ahrefs estimated monthly organic search traffic, Australia. Dotted line marks the Oct 2024 level. Vertical marks are Google results page changes.

Keywords ranking in Google's top three

089K179K2024-10-28: AI Overviews expand to 100 or more countries2024-10-29: AI Overviews roll out in Australia2024-11-11: November 2024 core update2024-12-12: December 2024 core update2025-03-13: March 2025 core update2025-06-30: June 2025 core update2025-08-21: AI Mode expands to 180 more countries in English2025-10-07: AI Mode adds 35 languages and 40 countries2025-10-08: AI Mode launches in Australia2025-10-15: Ads inside AI Overviews reported in Australia2025-11-18: Gemini 3 ships in AI Mode2025-12-11: December 2025 core update2026-01-27: Gemini 3 default for AI Overviews, handoff to AI Mode2026-03-27: March 2026 core update2026-05-19: I/O 2026: AI Mode hits 1 billion users, Gemini 3.5 Flash2026-05-20: AI Overviews and AI Mode combined worldwide2026-05-21: May 2026 core update2026-09-29: AI Mode information monitoring for all usersOct 2024102KOct 2025163KOct 2026144K
nih.gov, keywords ranking positions 1 to 3, Australia. Dotted line marks the Oct 2024 level. Vertical marks are Google results page changes.

Points are Ahrefs Site Explorer estimates for the first of each month shown. Months in between are being collected. All 444,097 ranking keywords in Oct 2026, against 1,556,026 in Oct 2024.

How often AI answers cite nih.gov

EngineCitations in the Ahrefs index
ChatGPTwithheld, failed consistency check
Google AI Mode9,322
Gemini2,412

Ahrefs AI responses index, captured 28 October 2026, Australia, including subdomains.

Five questions we ask the AI engines about nih.gov

Written from the site's own top Google keywords, keeping the intent of the search.

EngineNamedLinked
ChatGPT4 of 54 of 5
Google AI Mode4 of 54 of 5
Gemini3 of 52 of 5
  1. What does reliable medical information say about semaglutide, including the evidence, uncertainties and safety considerations? Provide general information, not a personal diagnosis or treatment plan.from the keyword “semaglutide”
  2. What does reliable evidence say about ashwagandha, including uncertainties, risks and limitations?from the keyword “ashwagandha”
  3. Where can I find official consumer information about finasteride, including its uses, warnings and uncertainties?from the keyword “finasteride”
  4. Which substance is meant by “ashwaganda”, and what do reliable medical sources say about its evidence and safety?from the keyword “ashwaganda”
  5. What does reliable medical information say about melatonin, including the evidence, uncertainties and safety considerations? Provide general information, not a personal diagnosis or treatment plan.from the keyword “melatonin”

Visits since ChatGPT launched

all visits, Nov 2022
5.8M
all visits, Nov 2022
all visits, Oct 2026
6.6M
all visits, Oct 2026
organic search visits, Oct 2026
4.0M
organic search visits, Oct 2026
visits from AI assistants, Oct 2026
152K
visits from AI assistants, Oct 2026

Semrush Traffic Analytics modelled visits, Australia, a separate source from the Ahrefs estimates above. Semrush restates this data on 9 November 2026.

nih.gov is also in the top 100 in United Kingdom and United States.