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Retrieval-augmented generation

RAG not working

Measured weekly since 2026-W25. 12 observations.

Measured 2026-W36 · 2026-08-31 · google.com, gl=us

2026-W36

This week

AI Overview
Showing
in 11 of 12 weeks
Sources cited
3
1 of them not in the top 10
Organic results
10
returned on page one
Weekly churn
15%
of the top 10 changes each week
AI Overview, week by week
2026-W252026-W36
How much the top 10 moved

Google is answering this query itself, and 1 of the 3 sources it credits do not appear in the ten results below.

Citations

What the AI Overview cites

DomainStatusOrganic position
bm25.comCited and ranking7
docs.python.orgCited, not ranking
medium.comCited and ranking8

A domain marked Cited, not ranking is credited in Google's answer while sitting outside the ten organic results. Across the whole corpus that is true of 38.8% of citations.

Page one

Organic results

#DomainTitleIn the overviewSitelinks
1producthunt.comA practical guide to RAG not workingNot cited
2developer.mozilla.orgRAG not working in 2026Not cited
3freecodecamp.orgRAG not working in 2026Not cited
4pypi.orgRAG not working in 2026Not cited
5graphrag.comRAG not working in 2026Not cited
6geeksforgeeks.orgRAG not working — geeksforgeeksNot cited
7bm25.comRAG not working — BM25Cited
8medium.commedium: RAG not workingCited
9hyde.ioHyDE: RAG not workingNot cited
10dev.toRAG not working — devNot cited
Since 2026-W29

Position history

DomainW29W30W31W32W33W34W35W36
producthunt.com11111211
developer.mozilla.org23223132
freecodecamp.org32332323
pypi.org44445444
graphrag.com56564555
bm25.com77877777

A dot means the domain was not on page one that week. This is the part no live SERP checker can show you: it needs someone to have been measuring before you asked.

Blocks

Features on this page

AI Overview People Also Ask Related searches Knowledge panel Sitelinks

Filled means Google rendered the block for this query this week. AI Overview, People Also Ask, Related searches, Knowledge panel, Sitelinks — each has its own prevalence across all 4,185 queries.

API

Reproduce this page

Every figure above comes from one call. This is that call — the same endpoint, the same parameters, run once a week.

curl --request GET \
  --url 'https://serpens.p.rapidapi.com/api/v1/search_ai_overview?q=RAG%20not%20working&gl=us&hl=en&format=json' \
  --header 'x-rapidapi-host: serpens.p.rapidapi.com' \
  --header 'x-rapidapi-key: YOUR_KEY'

Run it on your own queries

Free tier, no card. The AI Overview endpoint returns the overview, its citations, and the organic results in one response.

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One email each Monday covering RAG not working: what changed in the results, which domains moved, and where AI Overview switched on or off. Unsubscribe in one click.