Inesonic SpeedSentry

SpeedSentry can notify you via:

• Automated voice calls.
• SMS messages
• Email messages
• Slack messages
• REST API calls

We offer both free and paid subscriptions. By design, our paid subscriptions are inexpensive and offer significant additional functionality over our free plan.

Our paid subscriptions check your performance from multiple geographic regions. You can view your site’s latency from all regions or from specific regions.

Inesonic SpeedSentry simply monitors your site using our infrastructure. We do not perform any testing directly on your website. Our plug-in simply requests and then displays data from our infrastructure at periodic intervals. We designed our plug-in to be small and non-intrusive.

SpeedSentry is designed not to impact your site significantly. We rate limit our checks for each server you ask us to monitor so that we do not impact your or your hosting provider's infrastructure. We also use HTTP HEAD messages when appropriate. Our distributed polling servers coordinate timing with each other so that the rate we check your infrastructure remains constant even as we add new polling servers or you add new monitors. For Professional and Business subscriptions, if your server responds to ICMP echo or ping messages, we will also issue light-weight ping messages to your server to improve our response time should your server go off-line. Use of ICMP echo messages is fully automatic. For details, see https://speed-sentry.com/ping-support/.

Our business subscription offers a maintenance mode feature. When you re-enable site monitoring, we will update our infrastructure to automatically accept changes you've made while monitoring was disabled.

We offer a flexible REST API you can use to extend SpeedSentry. We also offer PHP and Python libraries you can use. Detailed documentation can be found at https://speedsentry-documentation.inesonic.com.