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Substack: Issue with reported open rates

No impact listedStatus: resolvedStarted Resolved (45 d)2 updatesstspg.io (opens in new tab)

Affected components: Email delivery

Timeline of updates

  1. investigating

    We’re investigating an issue affecting reported open rates for some publishers. Current evidence suggests this is related to how Gmail loads tracking pixels, and does not indicate a change in engagement or deliverability.

    We take responsibility for ensuring these metrics are accurate and are prioritizing improvements to our open rate tracking so this is resolved as quickly as possible. We will continue to provide updates here as we learn more.

  2. resolved

    This incident has been resolved.

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Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).

Cite this

Status incident (vendor impact label: none) posted by Substack, started 2026-03-27 22:20 UTC, resolved after 45 d, 2 update(s).

Title
Issue with reported open rates
Vendor
Substack
Date
URL
https://rewindex.com/company/substack/incidents/3qhm6lvk4x2p

Substack profileRecent Substack incidentsAll outages on March 27, 2026Substack in March 2026MarkdownJSON