Features
Everything you need to find and fix UX issues
From element-level bug reports to session replays and passive behavioral detection — blocFeed covers the full loop.
Features
Find bugs users report — and the ones they don't
Element-level bug capture, session replays, and passive behavioral detection. One platform for explicit feedback and silent UX issues.
selector: button.cta-submit
position: (420, 312) · page: /checkout
AI-Powered Intelligence
From raw bug report to prioritized fix — without reading every entry
Watch a single bug report flow through the AI pipeline: classified, clustered, themed, and alerted — automatically.
Incoming feedback
"The submit button doesn't respond after filling out the form"
Connectors
Bug reports and behavioral signals flow into the tools you already use
blocFeed connects to your workflow — not the other way around. Get alerted in Slack, create tickets in Linear or Jira, link session replays from PostHog, and never let a bug sit unread.
blocFeed2:45 PM
Spike Alert: Checkout Friction
12 new reports in 24h (+340% above baseline)
View in blocFeed →
blocFeed9:00 AM
Daily Theme Digest
🔴 Checkout Friction — 12 issues (spiking)
🟡 Mobile Layout — 8 issues (+45%)
🟢 Onboarding — 5 issues (stable)
Use Cases
Built for the people who build products
Whether you vibe-coded it or hand-crafted every line — blocFeed gives each team member what they need.
For Vibe Coders
Ship AI-generated code with confidence
You built it fast with Cursor, Bolt, or v0. When your users find the bugs AI missed, get the exact element, page URL, and browser info — not a vague Slack message. Jump straight from bug report to code fix.
- Exact CSS selector of the reported element
- Page URL and viewport dimensions
- Annotated screenshot with element highlighted
For Product Managers
See what frustrates users most
Filter bug reports by page, element, or status. Spot patterns — if 20 users report the same element, that's your next priority. Data beats opinions.
- Dashboard with trends and filters
- Group bug reports by page or element
- Track resolution status across the team
For Developers
Fix bugs faster with exact selectors
Every report includes the CSS selector, page URL, and viewport size. No more guessing which button is 'the button'. Jump straight from bug report to code.
- Exact CSS selector of the reported element
- Full technical metadata automatically
- AI-powered categorization and priority
See it in action
From bug to report in 10 seconds
This is what your users experience. No context switching, no separate tools, no lost details.
< 2 min
Setup time
~8 KB
Bundle size
Any
Framework
Drop into any framework — React, Next.js, Vue, Svelte, Angular
Compare
blocFeed vs. the alternatives
Most bug reporting tools require browser extensions or expensive subscriptions. blocFeed gives you element-level precision, AI-powered triage, and direct issue tracker integration — free.
| Feature | blocFeed | Marker.io | BugHerd | Usersnap |
|---|---|---|---|---|
| Element-level bug reporting | ||||
| Annotated screenshots + CSS selectors | ||||
| AI triage & issue clustering | ||||
| Session replay integration | ||||
| Behavioral signal detection | ||||
| Theme trends & weekly digest | ||||
| Slack / Linear / Jira / PostHog | ||||
| NPM install, no extension | ||||
| Free forever |
Element-level bug reporting
Annotated screenshots + CSS selectors
AI triage & issue clustering
Session replay integration
Behavioral signal detection
Theme trends & weekly digest
Slack / Linear / Jira / PostHog
NPM install, no extension
Free forever
Trust & Transparency
Ship fast, stay safe
Vibe coding means moving fast. Adding a bug reporting script shouldn't slow you down — or compromise your users. Here's how we keep it clean.
Zero runtime overhead
The widget loads asynchronously and adds nothing to your critical path. No performance penalty, even on AI-generated code with large bundles.
Bug reports stay in your project
Every report is encrypted, scoped to your project, and never shared. We don't sell data, don't train models on your submissions, and don't run background analytics.
No tracking, period
No cookies. No fingerprinting. No session recordings. The widget only activates when a user clicks the bug report button — nothing runs in the background.
Free NPM package
One install, zero cost. The blocFeed package is lightweight (~8 KB), has no peer dependencies, and works with React, Vue, Svelte, and Angular.
Stop chasing screenshots.
Start getting real bug reports
Set up blocFeed in under 2 minutes. Free forever — no limits, no credit card, no catch.
Add bug reporting — free forever