Sponsor comparison
Close vs Svix
Newsletter sponsorship activity, audience reach, and ad formats — side by side.
Sponsorship breakdown
Category
Close
Svix
Industry
Software
Webhooks
Newsletter
Phil from 4 day week
50K subscribers
TLDR Dev
750K subscribers
Audience reach
50K subs
750K subs
Ad format
Sponsored by
Newsletter Ad
Last recorded
—
March 2026
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