Sources and corrections
The vendor pages behind this site, and how to report a correction.
We checked these sources on 2026-11-12. Checking a source tells us what the documentation says. It is not a test of the product.
Vendor pages
Brevo
Constant Contact
- Constant Contact plans and features
- Constant Contact contact-tier pricing
- Removing Constant Contact branding
- Create a Constant Contact signup landing page
Elastic Email
- Elastic Email Marketing pricing and feature comparison
- Elastic Email pricing plans and Free limits
- How contacts are counted on Email Marketing plans
HubSpot
- HubSpot Marketing Hub pricing and feature comparison
- HubSpot products and services catalog: contact-tier email limits
- Create and customize HubSpot forms
- Create and customize HubSpot website and landing pages
- HubSpot support channels by plan
Kit
Klaviyo
- Klaviyo pricing and plan comparison
- Understanding how free and paid plans differ
- How Klaviyo billing works
- Klaviyo sign-up forms and subscribe pages reference
- Getting started with Klaviyo Landing Pages
- Understanding free plan limits and upgrading with Klaviyo in Shopify
Mailchimp
MailerLite
Mailjet
- Mailjet pricing and feature comparison
- Mailjet subscription pricing update, September 9, 2026
- Mailjet landing pages and publishing availability
- Mailjet email automation plan availability
- Remove the Mailjet logo from a campaign footer
- How to contact Mailjet support
Salesforce
- Salesforce Marketing Cloud Next pricing and editions
- Allocations and limits in Marketing Cloud Next
- Salesforce Marketing Cloud product families and support plans
Squarespace
Thunk Mail
- Thunk Mail plans and send limits
- Thunk Mail pricing and feature comparison
- Thunk Mail auto responder limits
- Thunk Mail hosted signup forms
- Why was my contact blocked?
- Build your email with modules
- Help Center
- How auto responders work
- Import your contacts from a CSV
- Schedule a campaign
- Set up and verify your reply-to address
- Reading your campaign stats
- How bounces, unsubscribes, and complaints work
Twilio SendGrid
- SendGrid Marketing Campaigns pricing and plan comparison
- Manage contacts and hosted signup forms
- Marketing Campaigns plan comparison
Webflow
Wix
- Wix plans and features
- About Storage and Bandwidth
- Wix Editor: Creating a Multi-Page Site
- Adding and setting up Wix Blog
- Choosing a Wix Premium Plan
Prepare a correction
Include the service, plan, feature, and a link to the vendor's current page. This form saves a report file to your computer. It does not send anything.