| Add to cart strong, checkout starts weak | Cart / commercial friction | Cost, shipping, trust, cart UX | Inspect cart-stage causes |
| Checkout starts strong, purchases weak | Checkout / payment | Form, shipping, payment, technical | Inspect checkout stage |
| Mobile much worse than desktop | Mobile journey | UX, keyboard, performance, payment | Audit mobile separately |
| International users much worse | Shipping, duties, currency | Commercial uncertainty | Audit country expectations |
| One country weak | Shipping / payment / localization | Regional friction | Compare cost, ETA and methods |
| One SKU weak | Product, stock, price | Merchandising | Inspect availability and consistency |
| High-AOV carts weak | Trust, payment, decision cycle | Risk | Inspect support and delivery confidence |
| Meta carts weak | Traffic intent / message | Acquisition quality | Compare promise and shopper intent |
| Google Shopping carts weak | Product, price, shipping expectation | Expectation mismatch | Inspect feed, ad and cart consistency |
| Payment step weak | Gateway / payment methods | Payment friction | Separate decline from voluntary exit |
| Sudden abandonment spike | Tracking / technical / site change | Engineering | Check releases, errors and event integrity |
| Cart rate stable, purchases fall | Checkout / payment | Late-funnel issue | Inspect checkout and payment |
| Returning healthy, new customers weak | Trust / shipping / account uncertainty | New-customer confidence | Compare policies and clarity |
| Abandonment falls, margin falls | Discount / shipping subsidy | Economics | Use contribution guardrails |