Stay up to date!
Stay informed on the latest releases and updates.

Highlights

• Added New Email DevTools:
• Inspects emails in a sandboxed iframe with switchable desktop, tablet, and mobile widths.
• Highlights table structures and simulates image blocking to test fallback copy and layout.
• Extracts and displays the first-view preheader content with source context.
• Detects and summarizes Outlook conditional comments and VML usage.
• Flags risky CSS patterns and client-specific pitfalls (e.g., Outlook/Word engine constraints).
• Exposes element attributes, computed styles, and a box-model readout for precise debugging.
• Surfaces accessibility signals (alt, title, role, aria-label) on the selected element.
• Provides in-context optimization hints and one-click copy of the selected node’s HTML.
• Added New HTML Validations and result descriptions for WEB.DE, GMX.DE, and Mail.ru
• Added New CSS Validations and result descriptions for WEB.DE, GMX.DE, Posteo, Zimbra (used by Free.fr), and Mail.ru

Improvements

• Updated Minor performance and security improvements.

Highlights

• Added New email deliverability checks:
• SPF Record Check
• DKIM Record Check
• DMARC Record Check
• MX Records Check
• BIMI Record Check
• rDNS Check
• Blacklist Status Check
• Deliverability Result

• Added New HTML validations and result descriptions, including Unclosed HTML tag(s) detection and a new validation algorithm.
• Added New CSS validations and result descriptions with a new validation algorithm.
• Added New font validations and result descriptions with a new validation algorithm.
• Added New analytics & tracking validation algorithm for deeper analysis including:
• Total Links Count
• Platform Detection
• Tracked & Untracked Links
• Tracking Pixel Detection
• Supported platforms: Mailchimp, Campaign Monitor, SendGrid, HubSpot, Mailjet, MailerLite, ActiveCampaign, Salesforce Marketing Cloud, Google Analytics 4 (UTM)
• Added New mobile validations and result descriptions with a new validation algorithm.
• Added New viewport audit for mobile, tablet, and desktop:
• Image Sharpness Validation
• Text Sizing Validation
• Tap Targets Validation
• Added HTML editor option to export an email's HTML.
• Syntax Highlighting
• Error Highlighting
• Code Formatting
• HTML File Export
• Updated Link validation with a new per-link algorithm.
• Total Links Count
• Unreachable Links Detection
• Insecure Links
• Invalid Links
• Missing Target
• Empty Target
• Missing HREF
• Empty HREF
• Missing Title
• Empty Title
• Updated Image validation with a new per-image algorithm, including:
• Total Images Count
• Unreachable Images Detection
• Insecure Source
• Invalid Source
• Relative URLs
• Missing Alt
• Empty Alt
• Long Alt
• Missing SRC
• Empty SRC
• Missing Width
• Empty Width
• Missing Height
• Empty Height
• W/H Non-Numeric
• Updated Spam validation with a new algorithm for in-depth analysis, including:
• Spam Triggers across words, phrases, structures, symbols/emojis, formatting
• Language Detection
• Link Density Ratio
• Shortened URL Ratio
• Stop-Word Ratio
• Plain Text Size, HTML Size, Total Message Size
• Text-to-Image Ratio
• Supported languages: English, German
• Updated Accessibility validation with new readability snapshot, covering the following language metrics:
• Flesch-Kincaid Reading Ease
• Flesch-Kincaid Grade Level
• Gunning Fog Index
• SMOG Index
• Automated Readability Index
• Updated Pre-Send Checklist → Interactive pre-send checklist with categorized checks.
• Improved Usability & readability of validation results (deep links to HTML editor; simplified categories: error, warning, success).
• Improved Mailserver settings for better deliverability of test emails.
• Improved Core performance & security.
• Updated Email & report export: download validated HTML with PDF report (Beta Version 1.0).
• Discontinued Visual tester and visual tester inspector.