Tech stack detector
Detect Email tools on any website
By Marnix Geerkens. Published 2026-06-01. Updated 2026-06-01.
In short
Scan any website with the free detector below to see its email tools. Email sending and marketing. We track 5 of them, and the detector also flags what the site is missing.
Detect email tools
Sample result
brightsmile-dental.com
8 technologies across 7 categories · scanned May 20, 2026
Gaps and opportunities
Every gap is a service you could sell this business every month. Ranges below are typical agency pricing, not guarantees.
No CRM detectedThis business is probably losing leads in inboxes and notebooks.
A CRM that captures every lead in one place$300 to $800/mo
You build it once in GoHighLevel.No chat or AI widgetNo way to capture or answer leads after hours.
An AI chat or voice agent that replies and books 24/7$500 to $1,500/mo
Built in GoHighLevel.No review or reputation toolNo system asking happy customers for Google reviews.
Review automation that runs on autopilot$200 to $500/mo
Set up once in GoHighLevel.No ad or conversion pixelThey are running ads blind, or not running ads at all.
Ad setup with proper tracking, plus management$500 to $2,000/mo
GoHighLevel tracks it end to end.No email marketing platformNo follow-up, so leads go cold after the first visit.
Email and SMS follow-up that nurtures every lead$300 to $1,000/mo
Built in GoHighLevel.Email tools we detect
Email sending and marketing.
- Mailchimp: Mailchimp is an email marketing service for newsletters and basic automation. Many small sites embed its signup forms.
- SendGrid: SendGrid is a transactional and marketing email delivery service. Sites use it to send receipts, resets, and campaigns at scale.
- Mailgun: Mailgun is an email delivery API for developers. It sends transactional mail and handles inbound routing and analytics.
- Amazon SES: Amazon SES is a low cost email sending service from AWS. Apps use it for transactional mail and large sends.
- Klaviyo Email: Klaviyo also handles email and SMS sending for stores. Detection here means the store sends campaigns through Klaviyo.
Frequently asked questions
How do I detect email tools on a website?
Paste any website into the detector at the top of this page. It reads the site's public technology profile and reports its email tools along with the rest of the stack.
Which email tools can this detect?
It recognizes the widely used email tools, including Mailchimp, SendGrid, Mailgun, Amazon SES, Klaviyo Email, and more.