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VC Intelligence Report

MailTag

Productivity — A Gmail browser extension that streamlines sales workflows through email tracking, message sched…
Productivityfreemium
■ Inactive
Verdict from HTTP liveness real
last probed Aug 24, 2026
Pulse 0.0 · 1/4
0.0
Pulse Index
1/4 families · real
-16.0
30-day Δ
pulse momentum · real
17
HTTP probes
liveness history · real
8
Functional tags
observed attributes · real
Risk read derived from observed signals

Observed dead: the site no longer answers as a live product. Pulse momentum is negative over 30 days (-16.0) — observed activity is receding. Observation is liveness-only: no tracked press, repository, or traffic rank — existence is confirmed, momentum is unobserved.

HTTP liveness

real
17 probes · Jun 16, 2026Aug 24, 2026aliveredirecteddeadunverified

Signal telemetry

4 families · 1 observed · observed only
Liveness probereal
alive in 0% of 17 probesavg response 2884 ms
Developer tractionchecked · none
No public repository linked — GitHub signals are not tracked for this product.
Press & sentimentchecked · none
No coverage found in the tracked press corpus. Absence of press is itself a signal at this stage.
Web footprintreal
resolved host
mailtag.grsm.io
edge
behind Cloudflare
server
cloudflare
Tranco rank
unranked
Domain age & certificate data not yet collected

Analyst read

generated from the observed metrics above · no external narrative

MailTag's site returned a hard-dead response when we last probed it on Aug 24, 2026, so we mark it inactive. It has fewer than two observed signal families, so no Pulse Index is composed — the evidence strip shows what is and isn’t present. Observed footprint: 8 functional tags. It has no curated competitive-alternative edges yet, so the comparable set below is functional tag-similarity — read it with the confidence flags.

Comparable set

curated alternatives → functional tag-similarity
CompanyBasisOverlapPulse30d ΔStatus
RightInboxproductivitysimilar88%46.5+9.6● live
Replyappmarketingtag-overlap88%16.00.0→ redirected
sortdai-toolstag-overlap88%47.10.0● live
Mailbutler 2.2 for Gmailproductivitysimilar78%40.00.0● live
Leonard for LinkedInproductivitysimilar78%16.00.0→ redirected
ColdInboxmarketingtag-overlap78%0.00.0■ inactive
Mass email merge in Gmailmarketingtag-overlap78%40.00.0● live
ChatGPT LinkedIn Email Generatorai-toolstag-overlap78%40.00.0● live

Confidence reflects source and category coherence: curated = an editorially linked alternative; similar = strong functional tag-overlap in the same category; tag-overlap = shared tags only and may be noisy. Overlap is the shared functional-tag ratio (Jaccard) for tag-matched rows. Pulse is the observed-activity index real and 30d Δ its signed month change; a dash means insufficient observed history, never zero.

Structure

observed attributes
Business modelfreemium
Liveness tierunknown
Competitive alternativesnone linked
Open sourceNo
Public APINo
Free tierNo
Enterprise tierNo

Funding & team

not in source

No disclosed funding in our sources. Funding data covers only ~1% of the corpus (462 rounds across 79K products), so absence here is unknown, not zero— we don't estimate a number we can't source.

RAW TELEMETRY last 14 probes
PROBEDHTTPORIGIN → RESOLVEDSERVERMSVERDICT
2026-08-24 12:36Z404mailtag.grsm.iocloudflare1011dead_404
2026-08-11 14:44Z200mailtag.grsm.io → mailtag.io1658redirected_offsite
2026-08-11 14:44Z200mailtag.grsm.io → mailtag.io1294redirected_offsite
2026-08-09 00:25Z200mailtag.grsm.io → mailtag.io2143redirected_offsite
2026-08-05 20:16Z200mailtag.grsm.io → mailtag.io2826redirected_offsite
2026-07-30 19:33Z200mailtag.grsm.io → mailtag.io2319redirected_offsite
2026-07-26 16:13Z10013timeout
2026-07-18 12:58Z200mailtag.grsm.io → mailtag.io1996redirected_offsite
2026-07-13 10:36Z200mailtag.grsm.io → mailtag.io1564redirected_offsite
2026-07-04 14:53Z10007timeout
2026-06-23 15:44Z200mailtag.grsm.io → mailtag.io1423redirected_offsite
2026-06-21 18:45Z200mailtag.grsm.io → mailtag.io493redirected_offsite
2026-06-21 18:45Z200mailtag.grsm.io → mailtag.io1293redirected_offsite
2026-06-20 08:14Z200mailtag.grsm.io → mailtag.io2331redirected_offsite
Full redirect chains, response headers, and DNS records are not captured by the current probe.
Launch Sentinel tear sheet · MailTag · as of 2026-08-28 · launchsentinel.com/reports/mailtag-1 · liveness, pulse and press figures are observed data with provenance shown per panel.