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Email Preview Text Analyzer

Analyzes the preview text that appears in inbox snippets after the subject line. Length, repetition with subject, hook quality.

Length: 99 characters (too long — gets truncated)
Subject-line overlap: 0 words (good — preview adds new context)
What it does

Checks preview text length (40-90 char sweet spot), flags subject-line repetition, identifies CTA-vs-curiosity-hook patterns.

When to use

Optimizing inbox snippet appearance. Coordinating subject + preview as a two-part hook.

FAQ

How important is preview text?+

Significant. Litmus data shows good preview text lifts open rate 5-10% over poor or missing preview text. It's the second line in the inbox after subject.

You analyzed one send. Outsolvi analyzes every send, forever.

Subject scores, preview tests, header parses are one-shot. Outsolvi runs the same analysis on every email you send and surfaces patterns: which subjects open, which preheaders convert, which threads stall. From $7/user/mo yearly.

Get the continuous version
Nate SummersCo-Founder, Outsolvi

Nate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi runs Tier 1 to 5 confidence scoring on every open, native in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.

Last reviewed May 25, 2026Editorially independent

We update these pages when the underlying mechanics change — new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.