Explore · The library
Every resource founders actually use, in one library.
The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.
What founders use most, ranked by how many answers lean on it.
- The official breakdown of quality ranking, engagement rate ranking, and conversion rate ranking, the three diagnostics that... Meta Business Help Center Article · D2C About Ad Relevance Diagnostics Meta
- Explains what actually drags CTR down before you blame the hook: Meta scores perceived ad quality (withheld information,... Meta Business Help Center Article · D2C About Quality Ranking Meta
- The primary source definition of every video metric Ads Manager reports, so when you build a hold rate calculation you are... Meta Business Help Center Article · D2C About Video Ad Metrics on Facebook and Instagram Meta
- The clearest global articulation of the exact chain logic in our short answer: it walks through diagnosing which metric broke... Search Engine Land Article · D2C How to Read Meta Ads Metrics Like a System, Not a Scoreboard Akvile DeFazio
- Real cross industry benchmark ranges (median CTR near 2.2%, CPM near 14 dollars, up sharply year over year) with the caveat... 27Five Report · D2C Meta Ads Benchmarks for eCommerce (Facebook Ads): ROAS, CPC, CPM and CPA by Industry 27Five
- The best explanation available of why blended MER, not campaign level ROAS, should decide whether you scale, with the actual... Common Thread Collective Article · D2C Marketing Efficiency Ratio: How to Find Your Ideal Ad Spend Common Thread Collective
- The most concrete, numbers first explanation of hold rate we found: the formula, benchmark bands, and a decision tree for what... Heylect Article · D2C Hold Rate Formula: Calculate % + Benchmarks Heylect
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Video · D2C
These Facebook Ad METRICS Matter (Track Them This Way)
Ben Heath
- The one structured, multi week option here, built by Meta itself, for a founder who wants to actually learn to read and... Coursera Course · D2C Meta Marketing Analytics Professional Certificate Meta
- Ralph Burns has run performance marketing at scale for over a decade, and this episode makes the case, with a real client story... Perpetual Traffic Podcast · D2C Episode 680 (Part 1): Why ROAS Sucks: The New Marketing Metric Everyone Should Use But Aren't Ralph Burns
- Andrew Foxwell runs a community of brand owners collectively spending over 250 million dollars a month on ads, and his blunt... Foxwell Digital Article · D2C ROAS Is Vanity, Profit Is Sanity: Fix Your Metrics Andrew Foxwell
- A ready made Google Sheets template to pull reach, CPM, CTR, ROAS, and conversion data out of Ads Manager into one view you can... Catchr Template · D2C Free Meta Ads (ex Facebook Ads) Google Sheets Dashboard Template Catchr
- Walks a single order through every hidden cost, COGS, fulfillment, payment fees, returns, to show a 4x ROAS campaign turning... Ask Luca Article · D2C Why Your E-commerce ROAS Is Lying to You and What to Track Instead Ask Luca
- Written for Indian D2C founders specifically, and useful precisely because it tells you what to ignore: it calls standalone... Wittelsbach AI Article · D2C D2C Founder Fundraising: The Meta Ads Metrics Investors Actually Care About Wittelsbach AI
- Apurv Singh has managed over 50 million dollars in ad spend across Indian brands, and this guide gets specific about the layer... HQ Digital Article · D2C Performance Marketing: The Complete Practitioner's Guide Apurv Singh
- The single most India specific resource on this list: it shows how COD and RTO, returns to origin running 25 to 30% of failed... Nurdd Article · D2C Why D2C Brands in India Must Switch from ROAS to POAS Nurdd
- Jon Loomer is one of the most cited independent Meta ads specialists and this piece walks the exact diagnostic order the... Jon Loomer Digital Article · D2C What to Check When Meta Ads Aren't Converting Jon Loomer
- The official list of exactly which edits reset the learning phase, straight from Meta, which explains why a campaign that... Meta Business Help Center Article · D2C Significant Edits and Learning Phase Meta
- A genuinely free (no tier, no session cap) heatmap and session recording tool that lets a founder watch real ad traffic... Microsoft Tool · D2C Microsoft Clarity Microsoft
- The most rigorous, primary aggregation of checkout abandonment research that exists (49 studies), useful for a founder deciding... Baymard Institute Report · D2C Cart Abandonment Rate Statistics Baymard Institute
- Search Engine Land is a respected trade publication and this piece gives concrete, checkable thresholds (frequency, CTR trend,... Search Engine Land Article · D2C Your ads are dying: How to spot and stop creative fatigue before it tanks performance Ann Robison
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Video · D2C
Facebook Ads Not Working? Try THIS First
Ben Heath
- Once tracking and the landing page are ruled out, the remaining leak is usually the offer itself, this is the most widely used... Acquisition.com Book · D2C $100M Offers: How To Make Offers So Good People Feel Stupid Saying No Alex Hormozi
- A free, downloadable Google Sheets audit template that turns the whole diagnostic checklist (tracking, structure, creative,... Vaizle Template · D2C Facebook Ads Audit: The Simplest Way So Far (Free Meta Ads Audit Template) Vaizle
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.
eChai Partner Brands
The partnership →