Browser fragility report
The Websites Most Likely To Break Autonomous Browsers
Routes where CAPTCHA, bot blocking, unstable DOMs, modals, or handoffs make autonomous browser execution fragile.
Publication gate
Legacy report restoredThis page stays noindex,follow until it reaches 10 qualifying evidence-backed rows.
- 1,005
- ranked rows
- 1,655 observations
- evidence
- 87%
- need a person nearby
- Jul 8, 2026
- last verified
Live rows
Ranked from current CrawlDex evidence
| Rank | Site task | Verdict | AES | Evidence | Main blocker |
|---|---|---|---|---|---|
| 1 | Travelexinsurance insurance.travel_claim_status travelexinsurance.com | Blocked | 34 | 3 | login walls |
| 2 | Joinroot insurance.file_or_track_claim joinroot.com | Blocked | 44 | 3 | login walls |
| 3 | Molinahealthcare insurance.health_claim_or_appeal_lookup molinahealthcare.com | Blocked | 44 | 3 | login walls |
| 4 | Dominos food_local.track_delivery dominos.com | Blocked | 45 | 4 | unstable page controls |
| 5 | Dmv Ca gov_civic.renew_vehicle_registration dmv.ca.gov | Blocked | 51 | 3 | CAPTCHA checks |
| 6 | Consumerfinance gov_civic.file_complaint consumerfinance.gov | Blocked | 52 | 3 | CAPTCHA checks |
| 7 | Thrivemarket food_local.manage_grocery_delivery thrivemarket.com | Blocked | 39 | 3 | unstable page controls |
| 8 | Uspto gov_civic.search_public_records uspto.gov | Blocked | 46 | 4 | CAPTCHA checks |
| 9 | Recreation gov_civic.apply_for_permit recreation.gov | Blocked | 50 | 3 | login walls |
| 10 | My Clevelandclinic healthcare_admin.book_appointment my.clevelandclinic.org | Blocked | 56 | 4 | login walls |
| 11 | Va healthcare_admin.book_appointment va.gov | Blocked | 56 | 4 | login walls |
| 12 | Sba gov_civic.register_business sba.gov | Needs user presence | 58 | 3 | login walls |
| 13 | Xfinity finance_bills.pay_utility_bill xfinity.com | Blocked | 61 | 3 | login walls |
| 14 | Reportfraud Ftc gov_civic.file_complaint reportfraud.ftc.gov | Blocked | 39 | 3 | CAPTCHA checks |
| 15 | Westjet travel.manage_flight_reservation westjet.com | Blocked | 47 | 3 | login walls |
| 16 | Booking customer_support.reservation_help booking.com | Blocked | 53 | 3 | login walls |
| 17 | Sam gov_civic.register_business sam.gov | Needs user presence | 58 | 4 | login walls |
| 18 | Walgreens healthcare_admin.refill_prescription walgreens.com | Blocked | 59 | 4 | login walls |
| 19 | Allianztravelinsurance insurance.travel_claim_status allianztravelinsurance.com | Blocked | 60 | 3 | login walls |
| 20 | Cvs healthcare_admin.refill_prescription cvs.com | Blocked | 60 | 3 | login walls |
| 21 | Equifax finance_bills.credit_report_freeze_or_dispute equifax.com | Blocked | 60 | 3 | two-factor checks that need the user present |
| 22 | Experian finance_bills.credit_report_freeze_or_dispute experian.com | Blocked | 60 | 3 | two-factor checks that need the user present |
| 23 | Travelguard insurance.travel_claim_status travelguard.com | Blocked | 60 | 3 | login walls |
| 24 | Coned finance_bills.pay_utility_bill coned.com | Blocked | 61 | 3 | login walls |
| 25 | Verizon finance_bills.pay_utility_bill verizon.com | Blocked | 61 | 3 | login walls |
| 26 | Fpl finance_bills.pay_utility_bill fpl.com | Blocked | 62 | 3 | login walls |
| 27 | Sce finance_bills.pay_utility_bill sce.com | Blocked | 62 | 3 | login walls |
| 28 | Netflix subscriptions.cancel netflix.com | Blocked | 51 | 3 | login walls |
| 29 | Snapchat customer_support.account_access_help snapchat.com | Blocked | 51 | 3 | login walls |
| 30 | Zoom subscriptions.request_refund zoom.us | Blocked | 55 | 2 | login walls |
| 31 | Mychart healthcare_admin.request_records mychart.org | Completes with friction | 60 | 3 | login walls |
| 32 | Worldnomads insurance.travel_claim_status worldnomads.com | Blocked | 60 | 3 | login walls |
| 33 | Pennymac real_estate_moving.estimate_mortgage pennymac.com | Blocked | 47 | 3 | forced account creation |
| 34 | Cms healthcare_admin.ask_about_estimate cms.gov | Blocked | 53 | 3 | login walls |
| 35 | Irs gov_civic.check_tax_refund irs.gov | Blocked | 58 | 3 | CAPTCHA checks |
| 36 | Login legal_admin.understand_gov_identity login.gov | Blocked | 59 | 4 | two-factor checks that need the user present |
| 37 | Samsclub food_local.order_pickup_delivery samsclub.com | Completes with friction | 66 | 4 | unstable page controls |
| 38 | Proof legal_admin.online_notarization proof.com | Completes with friction | 68 | 3 | login walls |
| 39 | Ambetterhealth insurance.health_claim_or_appeal_lookup ambetterhealth.com | Completes with friction | 69 | 3 | login walls |
| 40 | Bcbs insurance.health_claim_or_appeal_lookup bcbs.com | Completes with friction | 69 | 3 | login walls |
| 41 | Deltadental insurance.health_claim_or_appeal_lookup deltadental.com | Completes with friction | 69 | 3 | login walls |
| 42 | Acuity insurance.file_or_track_claim acuity.com | Completes with friction | 70 | 3 | login walls |
| 43 | Americanexpress finance_bills.dispute_transaction americanexpress.com | Completes with friction | 70 | 3 | login walls |
| 44 | Amfam insurance.file_or_track_claim amfam.com | Completes with friction | 70 | 3 | login walls |
| 45 | Capitalone finance_bills.dispute_transaction capitalone.com | Completes with friction | 70 | 3 | login walls |
| 46 | Chase finance_bills.dispute_transaction chase.com | Completes with friction | 70 | 3 | login walls |
| 47 | Chime finance_bills.dispute_transaction chime.com | Completes with friction | 70 | 3 | login walls |
| 48 | Cinfin insurance.file_or_track_claim cinfin.com | Completes with friction | 70 | 3 | login walls |
| 49 | Discover finance_bills.dispute_transaction discover.com | Completes with friction | 70 | 3 | login walls |
| 50 | Geico insurance.file_or_track_claim geico.com | Completes with friction | 70 | 3 | login walls |
| 51 | Libertymutual insurance.file_or_track_claim libertymutual.com | Completes with friction | 70 | 3 | login walls |
| 52 | Mercuryinsurance insurance.file_or_track_claim mercuryinsurance.com | Completes with friction | 70 | 3 | login walls |
| 53 | Openly insurance.file_or_track_claim openly.com | Completes with friction | 70 | 3 | login walls |
| 54 | Paypal finance_bills.payment_app_dispute paypal.com | Completes with friction | 70 | 3 | login walls |
| 55 | Progressive insurance.file_or_track_claim progressive.com | Completes with friction | 70 | 3 | login walls |
| 56 | Safeco insurance.file_or_track_claim safeco.com | Completes with friction | 70 | 3 | login walls |
| 57 | Squareup finance_bills.payment_app_dispute squareup.com | Completes with friction | 70 | 3 | login walls |
| 58 | Statefarm insurance.file_or_track_claim statefarm.com | Completes with friction | 70 | 3 | login walls |
| 59 | Venmo finance_bills.payment_app_dispute venmo.com | Completes with friction | 70 | 3 | login walls |
| 60 | Wise finance_bills.payment_app_dispute wise.com | Completes with friction | 70 | 3 | login walls |
| 61 | Zellepay finance_bills.payment_app_dispute zellepay.com | Completes with friction | 70 | 3 | login walls |
| 62 | Dominionenergy real_estate_moving.transfer_utility_service dominionenergy.com | Completes with friction | 72 | 3 | login walls |
| 63 | Georgiapower real_estate_moving.transfer_utility_service georgiapower.com | Completes with friction | 72 | 3 | login walls |
| 64 | Sdge real_estate_moving.transfer_utility_service sdge.com | Completes with friction | 72 | 3 | login walls |
| 65 | Socalgas real_estate_moving.transfer_utility_service socalgas.com | Completes with friction | 72 | 3 | login walls |
| 66 | Txu real_estate_moving.transfer_utility_service txu.com | Completes with friction | 72 | 3 | login walls |
| 67 | Pge real_estate_moving.transfer_utility_service pge.com | Completes with friction | 73 | 3 | login walls |
| 68 | Sce real_estate_moving.transfer_utility_service sce.com | Completes with friction | 73 | 3 | login walls |
| 69 | Xfinity real_estate_moving.transfer_utility_service xfinity.com | Completes with friction | 73 | 3 | login walls |
| 70 | Internationalvanlines real_estate_moving.compare_moving_quote internationalvanlines.com | Blocked | 46 | 4 | forced account creation |
| 71 | Budget travel.modify_car_rental budget.com | Blocked | 48 | 3 | login walls |
| 72 | Portillos food_local.order_pickup_delivery portillos.com | Completes with friction | 62 | 4 | unstable page controls |
| 73 | Whitecastle food_local.order_pickup_delivery whitecastle.com | Completes with friction | 62 | 3 | unstable page controls |
| 74 | Panerabread food_local.order_pickup_delivery panerabread.com | Completes with friction | 63 | 4 | unstable page controls |
| 75 | Chipotle food_local.order_pickup_delivery chipotle.com | Completes with friction | 64 | 3 | unstable page controls |
| 76 | Dunkindonuts food_local.order_pickup_delivery dunkindonuts.com | Completes with friction | 64 | 4 | unstable page controls |
| 77 | Healthcare healthcare_admin.find_in_network_doctor healthcare.gov | Completes with friction | 64 | 3 | login walls |
| 78 | Kaiserpermanente healthcare_admin.find_in_network_doctor kaiserpermanente.org | Completes with friction | 64 | 3 | login walls |
| 79 | Tacobell food_local.order_pickup_delivery tacobell.com | Completes with friction | 64 | 4 | unstable page controls |
| 80 | Walgreens food_local.order_pickup_delivery walgreens.com | Completes with friction | 64 | 3 | unstable page controls |
| 81 | Hellofresh food_local.manage_meal_delivery hellofresh.com | Completes with friction | 65 | 4 | unstable page controls |
| 82 | Imperfectfoods food_local.manage_grocery_delivery imperfectfoods.com | Completes with friction | 65 | 4 | unstable page controls |
| 83 | Shipt food_local.order_pickup_delivery shipt.com | Completes with friction | 65 | 4 | unstable page controls |
| 84 | Wholefoodsmarket food_local.order_pickup_delivery wholefoodsmarket.com | Completes with friction | 65 | 3 | unstable page controls |
| 85 | Aetna healthcare_admin.find_in_network_doctor aetna.com | Completes with friction | 66 | 4 | login walls |
| 86 | Walmart food_local.order_pickup_delivery walmart.com | Completes with friction | 66 | 4 | unstable page controls |
| 87 | Disneyplus customer_support.streaming_account_help disneyplus.com | Blocked | 67 | 3 | login walls |
| 88 | Hioscar insurance.health_claim_or_appeal_lookup hioscar.com | Completes with friction | 69 | 3 | login walls |
| 89 | Vsp insurance.health_claim_or_appeal_lookup vsp.com | Completes with friction | 69 | 3 | login walls |
| 90 | Auto Owners insurance.file_or_track_claim auto-owners.com | Completes with friction | 70 | 3 | login walls |
| 91 | Chubb insurance.file_or_track_claim chubb.com | Completes with friction | 70 | 3 | login walls |
| 92 | Clearcover insurance.file_or_track_claim clearcover.com | Completes with friction | 70 | 3 | login walls |
| 93 | Kemper insurance.file_or_track_claim kemper.com | Completes with friction | 70 | 3 | login walls |
| 94 | Lemonade insurance.file_or_track_claim lemonade.com | Completes with friction | 70 | 3 | login walls |
| 95 | Nationwide insurance.file_or_track_claim nationwide.com | Completes with friction | 70 | 3 | login walls |
| 96 | Att real_estate_moving.transfer_utility_service att.com | Completes with friction | 73 | 3 | login walls |
| 97 | Fpl real_estate_moving.transfer_utility_service fpl.com | Completes with friction | 73 | 3 | login walls |
| 98 | Nationalgridus real_estate_moving.transfer_utility_service nationalgridus.com | Completes with friction | 73 | 3 | login walls |
| 99 | Verizon real_estate_moving.transfer_utility_service verizon.com | Completes with friction | 73 | 3 | login walls |
| 100 | Blazepizza food_local.order_pickup_delivery blazepizza.com | Needs user presence | 37 | 3 | unstable page controls |