SAASPOCALYPSEcase · head-to-head
wedge comparison
subjects of investigation
fastly.comvsreplit.com
which is stronger?
→vs←
moat
how deep is each moat.
fastly.com · aggregate
6.5/10real moat
moat delta-1.9
replit.com · aggregate
4.6/10shallow moat
9.0
capital-3.0 →
6.0
8.0
technical-1.0 →
7.0
3.0
network+1.0 →
4.0
7.0
switching-2.0 →
5.0
4.0
data-1.0 →
3.0
6.0
regulatory-5.0 →
1.0
—
distribution—
3.7
floor
cost + time, side by side.
monthly floorfastly.com wins
fastly.com
$1 + usage
replit.com
$47
delta −$46replit.com costs ~47× more per month to keep alive.
time to clonereplit.com wins
fastly.com
∞
replit.com
8 weeks
delta · finite vs. ∞replit.com is buildable; fastly.com effectively isn't.
overlap
where they fight, where they don't.
features only one ships, plus the small middle they share.
only fastly.com · 11
serverless / edge platform
shared · 11
integrations
only replit.com · 11
frontend cloud platform
stack
what they're built on.
shared infra and the differentiating bits.
only fastly.com · 77
AWSbandwidthCloudflare WorkersCloudFrontFastlyGatsbyS3
shared infra · 44
CloudflarePostgresSupabaseVercel
only replit.com · 44
Auth0Next.jsCloudflare R2Segment
the verdict
ATTACK REPLIT FIRST
same comparison surface, two different walls. give the replit attack a month. circle back to fastly only if you genuinely need what it does that the other doesn't.
the case
shallower moatsmaller stack
full reportcontested · 35
→ read the fastly.com report
full reportcontested · 54
→ read the replit.com report
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