Technology answer

SessionStack

34

companies run it, <0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 60 live hosts run it, of 191,809,695 hosts in the index, <0.01%. A host is a website, not a company.

Companies by month

No published series

34 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 11 of them. A monthly line drawn off that many observations would be noise at the same weight as a line off millions, so this page states the count and its date and publishes no series.

First discovered 3 Feb 2025, last discovered 9 Sept 2026.

Both denominators, and a third

Shares of the same 34each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in Web Analytics

17,397,538

<0.01%

companies running anything in Session replay and heatmaps

417,591

<0.01%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, SessionStack is rank 23 of 26 technologies in Session replay and heatmaps.

Open as a segment

34 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-sessionstack

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 9 Sept 2026

Session replay and error diagnostics for web applications.

SessionStack records user sessions and surfaces technical events to reproduce issues and analyze user behavior. It is used by product, support, and engineering teams.

Kindproduct

VendorSessionStack, sessionstack.com

PathData, Analytics and AI > Web Analytics > Session replay and heatmaps

Slugsessionstack

Deploymentsaas

Pricingsubscription

Open sourceno

First discovered2025-02-03

Last discovered2026-09-09

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerSession replay and heatmapsCompanies running anything in Session replay and heatmaps, 417,591 of 54,527,857 in the index, and the technologies ranked in it.Category answerWeb AnalyticsThe category above this one, with its subcategories and the companies in each.CatalogueAll 8,177 technologiesRanked by the companies running them, with the publication gate named and the long tail drawn.