Works with Kit (ConvertKit)
Spam Score Checker for Kit (ConvertKit): Free Online Tool
→ Open the free Spam Score CheckerNo signup. 5 free checks a day. Works with any Kit (ConvertKit) campaign.
Kit (ConvertKit)'s built-in tools cover the basics, but the spam score checker workflow often benefits from a dedicated check before sending. Pre-send spam-trigger analysis catches issues before they impact your sender reputation. Free rule-based scoring combined with a Naive Bayes classifier identifies precisely which content triggers fire.
Why pre-process before uploading to Kit (ConvertKit)
Kit's pre-send check is rule-based and surfaces high-risk content. Detailed rule-by-rule scoring identifies precisely which triggers fire.
Step-by-step: spam-trigger analysis for Kit (ConvertKit)
- Paste your campaign HTML into the free SpamCipher spam score checker
- 60+ rules evaluate subject patterns, body keywords, header completeness, link density, HTML structure, image-to-text ratio, and authentication signals
- A Naive Bayes classifier trained on 50,000+ labeled messages provides a complementary spam-probability score
- Review the rule-by-rule breakdown and fix triggers before sending via Kit (ConvertKit)
Kit (ConvertKit)-specific deliverability quirks to know
Kit (formerly ConvertKit) ships with their own deliverability monitoring. Their visual editor enforces a clean text-heavy aesthetic that performs well in Gmail's primary tab.
Frequently asked questions
Does Kit (ConvertKit) include a built-in spam score checker?
Kit (ConvertKit) provides basic functionality but lacks granular control. Kit's pre-send check is rule-based and surfaces high-risk content. Detailed rule-by-rule scoring identifies precisely which triggers fire.
Is there a free way to spam-trigger analysis for Kit (ConvertKit) campaigns?
Yes. The free SpamCipher Spam Score Checker scores the HTML you paste against 60+ spam rules and an AI classifier, with no signup and 5 free checks a day. Fix what it flags, then send the campaign from Kit (ConvertKit).
What image size limit does Kit (ConvertKit) enforce?
Kit (ConvertKit) accepts uploads up to 1000 KB per image and recommends a max width of 600px for email body width. Supported formats: JPG, PNG, GIF.
Does Kit (ConvertKit) verify SPF, DKIM, and DMARC automatically?
Kit handles SPF + DKIM authentication via their sending domain. Custom DKIM signatures require their Creator Pro plan.
What about subject line analysis for Kit (ConvertKit)?
Kit's subject line tester previews across clients but does not score spam triggers or sentiment quantitatively. Use the free subject line analyzer for length scoring, spam-trigger detection, and sentiment analysis before pasting into Kit (ConvertKit).
Related free tools
While preparing your Kit (ConvertKit) campaign, you may also want:
- Image Compressor — also free, browser-based, optimized for email marketers
- GIF Compressor — also free, browser-based, optimized for email marketers
- CSS Inliner — also free, browser-based, optimized for email marketers
- Inbox Preview — also free, browser-based, optimized for email marketers
Spam Score Checker also works with
