ecomrestack

battles / Analytics

Census vs Weberlo

Census ($1,000/mo/mo, vibe code 4/10) vs Weberlo ($149/mo/mo, vibe code 4/10). Weberlo is the easier one to rebuild yourself — here is what you lose either way.

Census
KEEP

Analytics

$1,000/mo/mo

Vibe code4/10
Moat4/10
MVP
1 weekend
Full replacement
9-12 months, due to continuous API connector maintenance and delta tracking engines
get the build prompt →
Weberlo
KEEP

Analytics

$149/mo/mo

Vibe code4/10
Moat2/10
MVP
2 weeks
Full replacement
6-12 months, due to continuous maintenance of third-party Conversions APIs (Meta, Google, TikTok) and browser privacy changes

easier to rebuild

get the build prompt →

price gap / year

$10,212/mo

running both / year

$13,788/mo

our call

Start with Weberlo — highest vibe code, weakest moat.

Census

Writing a script to push SQL query results to an API takes a day, but rebuilding Census requires maintaining dozens of third-party API rate limits, schema evolutions, and delta calculations. Unless you only sync data to 1-2 static endpoints, the ongoing connector maintenance will exhaust developer bandwidth.

you can rebuild

  • Visual field mapping UI
  • Scheduled SQL query execution trigger
  • Basic target API authentication management
  • Sync execution log dashboard
  • Slack alerts on job failures

what you lose

  • Automated schema drift detection across destination APIs
  • Built-in token bucket rate limiting and backoff algorithms
  • High-performance parallelized API batch payload construction
  • Pre-built connector maintenance across hundreds of third-party platforms
  • SOC2-compliant audit logging for sensitive field level updates

real moats

  • Continuous maintenance of hundreds of third-party SaaS REST and GraphQL APIs
  • Engineered incremental sync diffing algorithms optimized for large warehouse queries
  • SOC2 Type II security compliance and enterprise-grade data handling controls

open source escape hatches

Weberlo

While writing a first-party JS tracking snippet and storing click IDs in a database is trivial, maintaining reliable server-side Conversions API (CAPI) sync with Meta, TikTok, and Google is high maintenance. API version deprecations and Safari ITP bypass mechanics require active infrastructure management.

you can rebuild

  • First-party client-side click and UTM capture snippet
  • Shopify and WooCommerce purchase webhook logging
  • Basic first-touch and last-touch attribution dashboard
  • UTM-to-order mapping and customer lifetime value reporting
  • Ad campaign ROI aggregated analytics interface

what you lose

  • Pre-built server-to-server Conversions API (Meta CAPI, TikTok Events API, Google Offline Conversions)
  • Automatic browser cookie lifetime extensions (bypassing Safari ITP restrictions via custom CNAME)
  • Event deduplication infrastructure between client pixel and server webhooks
  • Zero-maintenance API updates when ad platforms deprecate endpoints
  • Multi-channel ad account spend aggregation integrations

real moats

  • Direct API integrations with moving target ad platforms (Meta, TikTok, Google)
  • Managed custom domain proxying infrastructure for bypassing ad blockers and Apple ITP
  • Historical multi-channel benchmark and attribution telemetry

open source escape hatches

Questions people ask

Which is easier to rebuild with AI, Census or Weberlo?

Weberlo. It scores 4/10 on vibe code with a moat of 2/10, so an AI-assisted MVP takes about 2 weeks and a full replacement about 6-12 months, due to continuous maintenance of third-party Conversions APIs (Meta, Google, TikTok) and browser privacy changes.

Which one costs less, Census or Weberlo?

Weberlo at $149/mo/mo for a typical mid-market store. The gap between the two is about $10,212/mo a year.

What do I lose if I replace Census?

Automated schema drift detection across destination APIs Built-in token bucket rate limiting and backoff algorithms High-performance parallelized API batch payload construction

What do I lose if I replace Weberlo?

Pre-built server-to-server Conversions API (Meta CAPI, TikTok Events API, Google Offline Conversions) Automatic browser cookie lifetime extensions (bypassing Safari ITP restrictions via custom CNAME) Event deduplication infrastructure between client pixel and server webhooks

One e-commerce SaaS teardown every week.

Honest verdicts, build prompts and overlooked vertical SaaS opportunities. No tracking pixels, no drip sequence, unsubscribe in one click.

free forever · no third-party tracking · the prompts stay public