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Clickagy is a B2B intent data crawler that analyzes website visitor behavior for advertising targeting and lead generation.

GTmetrix is a website performance analysis bot that crawls and analyzes web pages to measure speed performance. Using PageSpeed and Lighthouse, GTmetrix generates performance scores and provides actionable recommendations to optimize website loading times.

Cloudflare Custom Hostname Verification validates SSL certificates and DNS settings for Cloudflare for SaaS custom hostnames.

Bluesky Link Preview Service is a link preview crawler that fetches page metadata to generate rich previews when URLs are shared.

Skype is a link preview crawler that fetches page metadata to generate rich previews when URLs are shared.

NETVIGIE monitoring bot checks website availability and performance metrics for clients, providing uptime monitoring and performance analysis services.

Feeder is a feed reader that fetches and processes RSS, Atom, and other content feeds.

Hotjar analyzes website user behavior through heatmaps, session recordings, surveys, and feedback tools to help optimize user experience and conversions.

Protopage is an RSS reader and web portal service that crawls and indexes RSS news feeds from various sources to create personalized dashboard start pages and aggregated content for users.

Google-InspectionTool is the crawler used by Search testing tools such as the Rich Result Test and URL inspection in Search Console. Apart from the user agent and user agent token, it mimics Googlebot.

NodePing is an uptime monitoring service that performs HTTP checks and other server monitoring tests to verify website availability and alert customers when services go down.

SiteLock is a security scanner that checks websites for vulnerabilities, misconfigurations, and security issues.

factset_spyderbot is a web crawler operated by FactSet that gathers financial and business data from websites to support their comprehensive financial data platform and analytics services.

Chargebee provides a webhooks integration to notify web severs of payment events.

Scalable webhook platform featuring automatic retries, signature verification, deep observability, and a static-IP delivery bot—deploy hosted or self-hosted.

Google Videos indexes video content for Google Video Search and YouTube, extracting thumbnails, metadata, and structured data.

MSNBot was the web crawler for Microsoft's MSN Search, which has since been replaced by Bing. Its purpose was to index web pages for inclusion in the MSN search engine.

Klaviyo is a web tracking script that collects visitor behavior data, product views, and site interactions to enable personalized email and SMS marketing campaigns through its B2C customer relationship management platform.

BlogVault is a WordPress backup and monitoring service bot that performs automated backups, security scans, and site monitoring to protect WordPress websites from data loss and downtime.

outbrain is Outbrain's web crawler that analyzes content on publisher websites to understand context and topics for content recommendation and advertising purposes.