Stuart Larsen

Programmer / Security

First product launched 6y ago

100% full-depth creator dossier open: complete product portfolio, 12-month combined traffic & MRR curves, shipping cadence, and timeline events.

Traffic & revenue

Portfolio · Last 12 months

Monthly visits

Monthly revenue & equivalents1 / 3 products with revenue evidence

Oct 2026

Csper$130/moSelf-reported eq.

Products and research metrics
Product	Tagline	Category	Visits · Oct	MoM	Launched	Revenue
Cspercsper.ioSecure Content Security Policy	Secure Content Security Policy	Application & Cloud Security	5.3K	Down17.0%	2020-02	$130Claimed
Slack LaTeXslacklatex.comLaTeX in Slack	LaTeX in Slack	Unclassified	—	—	2021-10	Undisclosed
DMARC Defenderdmarcdefender.ioIs missing email authentication hurting your deliverability?	Is missing email authentication hurting your deliverability?	Domains, DNS & Email Delivery	—	—	2026-03	Undisclosed

Launches, marketing, revenue milestones, and pricing/plan/positioning changes across products

Oct 3 · 43d ago
- Csper disclosed MRR $130Claimed revenue
  $130/mo · Indie Hackers
Mar 4 · 9mo ago
- DMARC Defender launchedNew product
Oct 11, 2021 · 5y ago
- Slack LaTeX launchedNew product
Feb 3, 2020 · 6y ago
- Csper launchedNew product