Bug Book Library

A library of real production bugs caught by Spur on live sites before reaching users, with full forensic details: test, failure step, screenshot, and cost.

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All Bugs

Checkout

Mild
Functional Testing
Spur caught a pound sign showing up on a cart page for German shoppers
Read the bug report

Checkout Interactions

High
Exploratory Testing
Spur caught a product page displaying tote bag reviews instead of hat reviews
Read the bug report

Checkout Persona

Critical
Exploratory Testing
Spur found a meal selection page stuck on a loading screen mid-checkout
Read the bug report

Interactions

Critical
Exploratory Testing
Spur found a broken Best Sellers link sending shoppers to a 404 page
Read the bug report

Site Merchandising

Mild
Exploratory Testing
Spur spotted a shoe page recommending backpacks, hats and travel bags instead of shoes
Read the bug report

Pricing

Medium
Functional Testing
Spur caught a price sorting using original prices instead of actual sale prices
Read the bug report

UI/UX

Mild
UI/UX Testing
Spur flagged three subtle issues on product pages
Read the bug report

AI Feature Errors

AI Feature Error

High
AI Feature Testing
Spur found a search engine serving cleaning kits when customers looked for gaming consoles
Read the bug report

Accessibility

Mild
Functional Testing
Spur noticed the cart image for a women's sock was labelled as a men's product in the alt text
Read the bug report

Checkout UI/UX

Critical
Exploratory Testing
Spur found a checkout button crashing every purchase attempt with an error
Read the bug report

Language Errors

Medium
AI Feature Testing
Spur caught the AI chatbot replying in English instead of French
Read the bug report

Copy

Mild
Exploratory Testing
Spur caught a missing chest measurement rendering as "0" in the Size and Fit section
Read the bug report

Pricing Checkout

Critical
Functional Testing
Spur flagged a discount validation error at checkout
Read the bug report