Developer Tools — Patterns for responsive HTML emails
Developer Toolsest. 2015
● Verified live
Verdict from HTTP liveness real
last probed Aug 26, 2026
Pulse 40.0 · 1/4
40.0
Pulse Index
1/4 families · real
0.0
30-day Δ
pulse momentum · real
17
HTTP probes
liveness history · real
2
Functional tags
observed attributes · real
Risk read derived from observed signals
Verified live by HTTP probe across 17 observations. Pulse has been flat over the last 30 days. Observation is liveness-only: no tracked press, repository, or traffic rank — existence is confirmed, momentum is unobserved.
HTTP liveness
real
17 probes · Jun 16, 2026 → Aug 26, 2026aliveredirecteddeadunverified
Signal telemetry
4 families · 1 observed · observed only
Liveness probereal
alive in 100% of 17 probesavg response 1931 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 tedgoas.github.ioedge direct originserver GitHub.comTranco rank unranked
Domain age & certificate data not yet collected
Analyst read
generated from the observed metrics above · no external narrative
Cerberus's listed site resolved live when we last probed it on Aug 26, 2026, so we mark it verified alive. 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: 2 functional tags. It sits on the competitive-alternatives graph with 2 linked rivals, so the comparable set below leans on curated edges.
Comparable set
curated alternatives → functional tag-similarity
No comparable set could be resolved for this product.
Structure
observed attributes
Business modelunknown
Liveness tierquiet
Competitive alternatives2
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▾
PROBED
HTTP
ORIGIN → RESOLVED
SERVER
MS
VERDICT
2026-08-26 12:13Z
200
tedgoas.github.io
GitHub.com
1337
alive
2026-08-18 13:22Z
200
tedgoas.github.io
GitHub.com
1453
alive
2026-08-11 00:18Z
200
tedgoas.github.io
GitHub.com
1825
alive
2026-08-08 06:09Z
200
tedgoas.github.io
GitHub.com
1865
alive
2026-08-05 18:30Z
200
tedgoas.github.io
GitHub.com
2511
alive
2026-07-30 17:44Z
200
tedgoas.github.io
GitHub.com
1739
alive
2026-07-22 09:34Z
200
tedgoas.github.io
GitHub.com
1485
alive
2026-07-16 09:50Z
200
tedgoas.github.io
GitHub.com
2929
alive
2026-07-10 10:38Z
200
tedgoas.github.io
GitHub.com
2317
alive
2026-07-04 09:29Z
200
tedgoas.github.io
GitHub.com
3367
alive
2026-06-23 13:46Z
200
tedgoas.github.io
GitHub.com
1305
alive
2026-06-21 22:04Z
200
tedgoas.github.io
GitHub.com
1304
alive
2026-06-20 20:11Z
200
tedgoas.github.io
GitHub.com
2015
alive
2026-06-19 16:51Z
200
tedgoas.github.io
GitHub.com
1585
alive
Full redirect chains, response headers, and DNS records are not captured by the current probe.
Launch Sentinel tear sheet · Cerberus · as of 2026-08-28 · launchsentinel.com/reports/cerberus · liveness, pulse and press figures are observed data with provenance shown per panel.