Real ChatGPT answer · index seedBIu9JFGFS48completeMarketing and advertising · SEOcommercial

Can you explain the main mobile first indexing requirements that web developers always seem to forget when launching a new site?

ChatGPTgpt-61 query11/1/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Can you explain the main mobile first indexing requirements that web developers always seem to forget when launching a new site?
1 real search · 1 real-search pass
Google Search Central mobile-first indexing best practices mobile version content structured data images robots.txt viewportGoogle ↗
OBSERVEDInstruction

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (1)
Short factOther / navigationalComparisonConsequenceReasonDefinitionInstruction100%Yes / no

Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT1 real searches · gpt-6
Google Search Central mobile-first indexing best practices mobile version content structured data images robots.txt viewport Google ↗

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Google Search Central mobile-first indexing best practices mobile version content structured data images robots.txt viewport
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1