vs
Comparison
Sender Score vs Substack
Who’s behind each, what their homepages track, what they cost and how often their policies changed, measured the same way for both. By what they offer, they’re close.
Free email deliverability tools and education, including an IP/domain sender reputation score, blocklist lookup, list validation, bounce diagnostics, and podcasts and courses on email marketing. Operated by Validity (formerly Return Path).
Substack is a publishing platform where writers and creators host newsletters, podcasts and video, send content by email to subscribers, and charge for paid subscriptions. It also offers a reader app with discovery and discussion features.
- Company
- Not stated
- Not stated
- Registered in
- Unknown
- Unknown
- Online since
- Unknown
- Unknown
- Audience
- Top 10K
- Top 1K
- Trackers on the homepage
-
- Marketing and email tracking: Marketo
- Tag manager: Google Tag Manager
- Third-party embeds: Adobe Fonts
- fewer
- Third-party embeds: Google Fonts
- Ad trackers
- None
- None
- Cookie banner
- OneTrust
- –
- Prices
- No pricing page found
- No pricing page found
- Last price change
- –
- –
- Privacy policy changes
- 0
- 0
- Terms changes
- 0
- 0
- Open positions
- –
- –
Trackers are what each homepage loads before cookie consent; changes count since we started checking each site weekly. Hover a dotted value for its source and date.