Among the leading Gen AI tools, Grok had the highest percentage of new users visiting its website in September 2026.
Visits from Japan to Gen AI websites grew by 329% in August compared to December 2024, rebounding after two consecutive months of decline.
US traffic grew by 142% over the same period, overtaking Brazil in growth.
The most popular Google searches in the US in September 2026 🇺🇸
The full list:
similarweb.com/blog/marketin…
Tesla broke its all-time daily traffic record following the Roadster launch, surpassing traffic peaks associated with previous major vehicle launches and announcements.
Visits to Roadster pages on Tesla's website surpassed 2 million the day after launch, accounting for more than half of Tesla's total traffic.
The most popular account pages on X by traffic share (September 2026):
1. @thsottiaux
2. @FabrizioRomano
3. @elonmusk
4. @25YearsAgoLive
5. @ngnchiikawa
6. @DiscussingFilm
7. @HYPEX
8. @whyyoutouzhele
9. @ActuFoot_
10. @Osint613
11. @MadridXtra
12. @WARDOGS
13. @yagosabuncuoglu
14. @TouchlineX
15. @LegendDeols
Last month's rankings
xitter.cf/Similarweb/status/2105…
The most popular account pages on X by traffic share (August 2026):
1. @FabrizioRomano
2. @thsottiaux
3. @elonmusk
4. @DiscussingFilm
5. @RockstarGames
6. @HYPEX
7. @MadridXtra
8. @ReshadRahman
9. @David_Ornstein
10. @yagosabuncuoglu
11. @ngnchiikawa
12. @theMadridZone
13. @_BarcaInfo
14. @whyyoutouzhele
15. @ActuFoot_
Claude had the fastest year-over-year growth rate in website visits in Q3.
Check out our report ahead of Anthropic's anticipated IPO: similarweb.com/corp/reports/…
ChatGPT's 30-day retention rate is 25 percentage points higher than the productivity category average.




















