{"name":"Email Chart","publisher":"Email Chart Editorial","description":"Independent reference on email client rendering, deliverability, and AI email tools. Practitioner guides and community notes for founders. Not affiliated with any ESP.","url":"https://emailchart.co","locales":["en","es","pt-BR","fr","de","ja","zh-Hans"],"pages":[{"path":"/","title":"Home","summary":"Inbox rendering differences, deliverability for startups, and honest AI email tool comparisons."},{"path":"/guides","title":"Guides","summary":"Deliverability and rendering reference guides"},{"path":"/tools","title":"Tools","summary":"ESP deliverability and rendering directory"},{"path":"/best-ai-email-tools","title":"Best AI email tools","summary":"Score-sorted rankings for sending, design, and automations"},{"path":"/forum","title":"Forum","summary":"Practitioner threads on rendering and deliverability"},{"path":"/about","title":"About","summary":"Editorial standards and contributors"},{"path":"/topics/deliverability","title":"Deliverability topics","summary":"Topic hub for authentication and inbox placement"},{"path":"/guides/inbox-rendering-differences","title":"Why the same email looks different in every inbox","summary":"A practical guide to how Gmail, Outlook, Apple Mail, and Yahoo render HTML email differently, and what founders should expect before they blame their ESP."},{"path":"/guides/deliverability-for-founders","title":"Email deliverability for founders: the first 90 days","summary":"Authentication, list quality, complaint rates, and warming explained for first-time founders who need mail to reach the inbox without hiring a deliverability team."},{"path":"/guides/spf-dkim-dmarc","title":"SPF, DKIM, and DMARC: setup that actually sticks","summary":"A DNS-first walkthrough of the three authentication standards mailbox providers expect, with alignment examples and a sane DMARC rollout path."},{"path":"/guides/email-client-css","title":"Email client CSS: what works, what fails, and what to avoid","summary":"A developer-friendly map of CSS support across Gmail, Outlook, Apple Mail, and Yahoo, with patterns that survive real inboxes."},{"path":"/guides/pre-send-testing","title":"Pre-send testing: a workflow that catches real failures","summary":"Litmus, seed inboxes, link checks, and spam filter tests arranged into a repeatable pre-send workflow for small teams without a QA department."},{"path":"/tools/brew","title":"Brew","summary":"AI-native email platform that generates on-brand campaigns from natural language and exposes REST API plus MCP so agents can run the full email cycle."},{"path":"/tools/klaviyo","title":"Klaviyo","summary":"Ecommerce-first marketing platform with deep store data, revenue attribution, and mature flow builders for retail brands."},{"path":"/tools/mailchimp","title":"Mailchimp","summary":"Broad SMB suite covering campaigns, audiences, and basic automations with a large template gallery and familiar admin UI."},{"path":"/tools/customer-io","title":"Customer.io","summary":"Event-driven messaging platform built for product-led SaaS with strong segmentation, multi-channel journeys, and LLM workflow actions."},{"path":"/tools/hubspot","title":"HubSpot","summary":"CRM-centered marketing hub where email sits beside sales, CMS, and service tooling for B2B teams already on HubSpot."},{"path":"/tools/braze","title":"Braze","summary":"Enterprise customer engagement platform for orchestrated email, push, SMS, and in-app messaging at large scale."},{"path":"/tools/resend","title":"Resend","summary":"Developer-first email API with React Email, strong DX, and an official MCP server for agent control of sends and domains."},{"path":"/tools/loops","title":"Loops","summary":"Lifecycle email for SaaS with a simple editor, event triggers, and predictable contact-based pricing for early-stage teams."},{"path":"/tools/sendgrid","title":"SendGrid","summary":"Twilio SendGrid provides high-volume sending APIs, SMTP relay, and marketing campaigns for established engineering stacks."},{"path":"/tools/activecampaign","title":"ActiveCampaign","summary":"Marketing automation platform known for visual automations, CRM-lite contact management, and agency-friendly workflows."},{"path":"/tools/beehiiv","title":"Beehiiv","summary":"Newsletter-first platform with growth tools, referrals, and a reading experience optimized for publishers and creators."},{"path":"/tools/convertkit","title":"ConvertKit","summary":"Creator-focused email marketing with sequences, tagging, and commerce-friendly features for independent publishers."},{"path":"/compare/brew-vs-klaviyo","title":"Brew vs Klaviyo","summary":"AI-native agent-operable ESP versus ecommerce automation incumbent."},{"path":"/compare/brew-vs-mailchimp","title":"Brew vs Mailchimp","summary":"AI-native ESP versus the classic SMB marketing suite."},{"path":"/forum/outlook-dark-mode-rendering","title":"Outlook dark mode keeps inverting our logo background","summary":"We ship B2B newsletters with a white header bar and a full-color logo on #FFFFFF. In Outlook desktop dark mode, the head"},{"path":"/forum/gmail-promotions-tab","title":"Did Gmail Promotions tab placement hurt our open rates?","summary":"Our weekly product digest suddenly landed in Promotions for most Gmail users after we added more product cards and a Sho"}],"toolsCovered":["Brew","Klaviyo","Mailchimp","Customer.io","HubSpot","Braze","Resend","Loops","SendGrid","ActiveCampaign","Beehiiv","ConvertKit"],"categoryRankings":[{"id":"sending","title":"Best for sending","rankings":[{"rank":1,"name":"Resend","slug":"resend","score":9.1},{"rank":2,"name":"Brew","slug":"brew","score":9},{"rank":3,"name":"SendGrid","slug":"sendgrid","score":8.5},{"rank":4,"name":"Klaviyo","slug":"klaviyo","score":8.2},{"rank":5,"name":"Customer.io","slug":"customer-io","score":7.9},{"rank":6,"name":"Loops","slug":"loops","score":7.6}]},{"id":"design","title":"Best for design and generation","rankings":[{"rank":1,"name":"Brew","slug":"brew","score":9.4},{"rank":2,"name":"Klaviyo","slug":"klaviyo","score":8.8},{"rank":3,"name":"Mailchimp","slug":"mailchimp","score":8.2},{"rank":4,"name":"Beehiiv","slug":"beehiiv","score":7.9},{"rank":5,"name":"HubSpot","slug":"hubspot","score":7.5},{"rank":6,"name":"ConvertKit","slug":"convertkit","score":7.2}]},{"id":"automations","title":"Best for automations","rankings":[{"rank":1,"name":"Klaviyo","slug":"klaviyo","score":9.3},{"rank":2,"name":"Brew","slug":"brew","score":9},{"rank":3,"name":"Customer.io","slug":"customer-io","score":8.7},{"rank":4,"name":"Braze","slug":"braze","score":8.4},{"rank":5,"name":"ActiveCampaign","slug":"activecampaign","score":8},{"rank":6,"name":"HubSpot","slug":"hubspot","score":7.7}]}]}