Sematext Experience

Spec sheet

What it does

Sematext Experience measures website and web-app performance and user satisfaction directly in visitors’ browsers.Read 15 Oct 2026 · sematext.com

Product

Sematext Experience analyzes real user sessions and sends anomaly alerts to help optimize front-end performance.Read 9 Oct 2026 · sematext.com

Trial

The product offers a 14-day free trial without requiring a credit card.Read 9 Oct 2026 · sematext.com

Integrations

The Experience page says Sematext integrates with over 100 cloud providers; the integrations page lists React, Vue.js, Angular, and Ember support for Experience.Read 9 Oct 2026 · sematext.com

Support

Sematext says all plans include live-chat and email support, while Standard and Pro also include phone support and a dedicated account manager.Read 15 Oct 2026 · sematext.com

Headquarters

Brooklyn, New York, USARead 28 Sep 2026 · sematext.com

Founded

2010Read 28 Sep 2026 · sematext.com

Company

Sematext says it launched as Sematext International in Spring 2010 and lists Brooklyn, NY, USA as its location.Read 9 Oct 2026 · sematext.com

Access controls

Sematext describes fine-grained role-based access control and an audit trail showing who did what, where, and when, including IP address and country.Read 9 Oct 2026 · sematext.com

Alerting

Alerts can target performance metrics and Apdex, with priorities and notification routing.Read 15 Oct 2026 · sematext.com

Anomaly detection

The product automatically detects irregular frontend-performance spikes without requiring manual alert rules.Read 15 Oct 2026 · sematext.com

Backend correlation

Frontend metrics can be viewed alongside backend logs and monitoring data for troubleshooting.Read 15 Oct 2026 · sematext.com

Browser SDK

The Browser SDK is open source and exposes commands including config, identify, routeChange, transactions, pageLoad, ajax, longTask, elementTiming and vitalMetric.Read 15 Oct 2026 · sematext.com

Company founded and size

LinkedIn lists Sematext Group, Inc. as founded in 2007 with 11–50 employees.Read 15 Oct 2026 · linkedin.com

Company headquarters

Sematext lists Brooklyn, New York, USA as its location.Read 15 Oct 2026 · sematext.com

Company legal name

The maker identifies itself as Sematext Group, Inc.Read 15 Oct 2026 · sematext.com

Core Web Vitals

The product reports Largest Contentful Paint, First Input Delay and Cumulative Layout Shift.Read 15 Oct 2026 · sematext.com

Custom measurements

Experience automatically captures native performance.measure() calls and supports thresholding and custom tags.Read 15 Oct 2026 · sematext.com

Customization

URL Groups organize website sections, and users can collect custom measurements and set thresholds.Read 9 Oct 2026 · sematext.com

Data regions

Sematext Cloud lets customers create accounts in US or EU data centers.Read 15 Oct 2026 · sematext.com

Documentation depth

The documentation includes getting-started instructions, framework examples, SDK commands, measurements, user identification, memory monitoring, FAQs and troubleshooting.Read 15 Oct 2026 · sematext.com

Framework integrations

Documented integrations cover Angular, React, Vue.js, Ember, Next.js, Vercel, WordPress, Google Tag Manager, static sites, server-rendered sites and micro-frontends.Read 15 Oct 2026 · sematext.com

Frontend metrics

It collects page-load times, HTTP requests, resource timings and UI-interaction measurements.Read 15 Oct 2026 · sematext.com

Installation

Setup consists of adding a JavaScript loader snippet and configuring its receiver URL and Experience App token.Read 15 Oct 2026 · sematext.com

Limit: security integrations

A GetApp reviewer said Sematext needed more integrations with security tools.Read 15 Oct 2026 · getapp.com

Limit: trial duration

Comparitech listed a preference for a longer standard 30-day trial instead of the offered trial length.Read 15 Oct 2026 · comparitech.com

Memory monitoring

The Browser SDK measures page memory during sessions, but memory measurements require cross-origin isolation and are currently supported only by Chrome.Read 15 Oct 2026 · sematext.com

Notable news

Sematext announced Browser Memory Usage for Experience on November 9, 2020.Read 15 Oct 2026 · sematext.com

Praise: browser diagnostics

Comparitech praised detailed browser checks that identify individual page elements failing to load.Read 15 Oct 2026 · comparitech.com

Praise: predictable pricing

A GetApp reviewer said the monthly cost was exactly predictable.Read 15 Oct 2026 · getapp.com

Praise: response-header checks

A G2 reviewer praised querying response headers and text values to verify page caching behavior.Read 15 Oct 2026 · g2.com

Praise: usability and support

A G2 reviewer described Sematext Cloud as user-friendly, easy to integrate and backed by responsive customer support.Read 15 Oct 2026 · g2.com

Public API

Sematext Cloud provides a REST API authenticated with an account API key, supporting remote app creation and alert-rule management.Read 15 Oct 2026 · sematext.com

Rating on G2

4.7 out of 5 from 38 reviewsRead 15 Oct 2026 · g2.com

Rating on Gartner Peer Insights

4.0 out of 5 from 2 ratingsRead 15 Oct 2026 · gartner.com

Rating on GetApp

4.8 out of 5 from 29 reviewsRead 15 Oct 2026 · getapp.com

Rating on TrustRadius

9 out of 10 from 2 reviewsRead 15 Oct 2026 · trustradius.com

Real limitation

Ad blockers can prevent the Browser SDK from loading or block its data-collection requests.Read 15 Oct 2026 · sematext.com

Resource diagnostics

Resource waterfalls expose slow images, scripts, stylesheets and other downloaded assets.Read 15 Oct 2026 · sematext.com

SDK licence

Sematext states that the Browser SDK is released under the Apache 2.0 licence.Read 15 Oct 2026 · sematext.com

Security and compliance

Sematext says its AWS-hosted logging platform follows AWS security practices and standards including SOC 1, SOC 2, SOC 3, FISMA, FedRAMP and HIPAA.Read 15 Oct 2026 · sematext.com

Security transport

The Experience library is delivered over HTTPS and sends collected metrics to Sematext Cloud over HTTPS.Read 15 Oct 2026 · sematext.com

Self-hosting

Sematext documents Sematext Enterprise as a non-SaaS deployment that can run on a customer’s own infrastructure.Read 15 Oct 2026 · sematext.com

Session analysis

Users can inspect individual sessions with page loads, transactions and requests in timeline or table views.Read 15 Oct 2026 · sematext.com

SPA setup requirement

Single-page applications need an additional routeChange call so navigation events are recorded.Read 15 Oct 2026 · sematext.com

Support and collaboration

Accounts can be converted to team accounts free of charge, with roles assigned to team members and scheduled email reports shared with stakeholders.Read 9 Oct 2026 · sematext.com

Troubleshooting

It combines frontend metrics with backend logs and monitoring data in one integrated view.Read 9 Oct 2026 · sematext.com

Usage limit

When the selected page-view limit is exceeded, data stops being shipped to the Experience App until the daily limit resets, unless staggering is disabled or the daily limit is changed.Read 9 Oct 2026 · sematext.com

Usage limit behavior

Experience staggers page views by default and stops accepting data after a daily or monthly page-view limit is reached.Read 15 Oct 2026 · sematext.com

User identification

Sites can attach a user name and identifier, including an email hash, to sessions through the identify command.Read 15 Oct 2026 · sematext.com

Plans and prices

Every Sematext Experience plan and price →

Where Specifiction places it

• Internet Performance Monitoring Software#8 of 308.4
• Real User Monitoring#8 of 298.3