Reported ranking
Best and worst sites for AI agents to customer support / service or billing help.
Ranked from recent CrawlDex observations. Last verified Jun 17, 2026. Based on 20 observations.
Publication status
More data needed- 7
- ranked websites
- 100
- best AES
- 76
- hardest AES
- 73%
- board handoff share
Search indexing requires at least eight recent qualifying rows. This page still serves the full table for agents and humans when the count is lower.
Ranked table
All ranked sites for agents trying to customer support / service or billing help
Outcome signal is shown on the same 0-100 scale as the public AES board until split outcome rates are exposed by the board feed.
| Rank | Site | AES | Outcome signal | Top blocker | Last verified |
|---|---|---|---|---|---|
| 1 | T Mobile t-mobile.com | 100 | 100% | none observed | Jun 9, 2026 |
| 2 | Cox cox.com | 82 | 82% | login walls | Jun 17, 2026 |
| 3 | Att att.com | 79 | 79% | login walls | Jun 17, 2026 |
| 4 | Spectrum spectrum.com | 79 | 79% | login walls | Jun 17, 2026 |
| 5 | Verizon verizon.com | 77 | 77% | login walls | Jun 17, 2026 |
| 6 | Xfinity xfinity.com | 77 | 77% | login walls | Jun 17, 2026 |
| 7 | Optimum optimum.com | 76 | 76% | login walls | Jun 17, 2026 |
Worst-of section
The hardest reported sites for AI agents
AES 76
Optimum
Top blocker: login walls. Last verified Jun 17, 2026. Low confidence, 2 observations.
AES 77
Xfinity
Top blocker: login walls. Last verified Jun 17, 2026. Low confidence, 3 observations.
AES 77
Verizon
Top blocker: login walls. Last verified Jun 17, 2026. Low confidence, 3 observations.
AES 79
Spectrum
Top blocker: login walls. Last verified Jun 17, 2026. Low confidence, 3 observations.
AES 79
Att
Top blocker: login walls. Last verified Jun 17, 2026. Low confidence, 4 observations.
AES 82
Cox
Top blocker: login walls. Last verified Jun 17, 2026. Low confidence, 4 observations.
AES 100
T Mobile
Top blocker: none observed. Last verified Jun 9, 2026. Low confidence, 1 observations.