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Missinglettr Bot

GoodBotVerifiedBOT

Missinglettr will crawl specific blog posts on customers' sites to help turn them into social media campaigns. Operated by Missinglettr.

GoodBot
Assessment
Advertising & Marketing
Category
BOT
Kind
1
Data sources
AI-generated summary, drawn from Cloudflare, operator docs, and community data

What is Missinglettr Bot?

Missinglettr Bot is a web crawler operated by Missinglettr. Missinglettr will crawl specific blog posts on customers' sites to help turn them into social media campaigns.

Helpful — Verified, safe crawler. Respects robots.txt and provides operator documentation.

Identification

Bot name
Missinglettr Bot
Operator
Missinglettr
Category
Advertising & Marketing
Kind
BOT
Verification
Verified bot
Cloudflare slug
missinglettrbot
User-agent patterns
MissinglettrBot
User-agent string
Mozilla/5.0 (compatible; MissinglettrBot/2.0; +http://missinglettr.com/bot/)
Main use cases
Web crawlingData collection

Why it crawls your site

Missinglettr Bot crawls websites to collect data for advertising and marketing purposes. It is operated by Missinglettr as part of their advertising infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

Block or allow Missinglettr Bot

Block it

Add a Disallow rule for MissinglettrBot in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block Missinglettr Bot from crawling your entire site
User-agent: MissinglettrBot
Disallow: /

# Allow Missinglettr Bot full access
User-agent: MissinglettrBot
Allow: /
Allow & verify

Ensure your robots.txt allows MissinglettrBot. Verify requests are genuine by checking the user-agent string and referring to Missinglettr's documentation.

Traffic & trends

Cloudflare Radar traffic

No Cloudflare traffic data available.

Google Trends interest

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Data sources

This profile is compiled from the following sources.

CloudflareRadar
Last updated July 26, 2026