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Monitor Everything.
Stay Ahead of Every Change.

Macrosentinel empowers you to monitor any website or online service and receive instant alerts when something changes. Be the first to know — protect your business, outsmart competitors, and ensure your digital assets stay safe.

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530k

Websites Monitored

From critical business sites to niche competitor pages — we've got eyes everywhere.

450k

Snapshots Taken

Thousands of real-time snapshots to track even the slightest changes over time.

89k

Active Alerts

Automated, fast, and reliable — never miss an important update again.

1,5k

Trusted Clients

Our community of security experts, analysts, and businesses rely on Macrosentinel daily.

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About Us

Your Online Watchtower
Built for Precision & Security

We are a team of passionate engineers and cybersecurity experts dedicated to giving you full control over your digital landscape. With Macrosentinel, you always know what’s happening — before anyone else does.

Real-Time Change Detection

Our powerful engine captures updates instantly, no matter how small or hidden.

Custom Monitoring Targets

Monitor specific elements, forms, or entire pages. You decide what matters most.

Actionable Security Alerts

Be notified of unexpected changes or potential attacks, and act fast to protect your assets.

What We Offer

Powerful Web Monitoring
for Everyone

Whether you’re a developer, researcher, journalist, or shopper — Macrosentinel keeps an eye on what matters to you. From security incidents to product discounts, if it changes online, you’ll know first.

Full Page & Element Monitoring

Track visual or code-level changes on any webpage — from landing pages to dynamic dashboards — with pixel-perfect accuracy.

Keyword Detection

Be instantly alerted when a specific name, product, or topic appears on the web — from news sites to competitors’ pages.

Competitor & Market Tracking

Monitor product listings, pricing changes, or new launches — ideal for brands, analysts, and e-commerce teams.

Security & Compliance Alerts

Detect defacements, injected scripts, or suspicious content before they impact your users or SEO rankings.

Smart Notifications

Choose how you get alerted — by email, in-app, or through integrations. Stay in control with personalized trigger settings.

Change History & Visual Reports

Every scan is archived. Review past versions, see what changed, and get clear visual diffs at a glance.

From price drops and domain updates to press mentions — Macrosentinel is your personal alert system for the entire web.

Stay informed, stay protected. Control every online change with ease.

Control every online change with Diff.
Plans

Our Pricing

Flexible plans for every stage — from startups to enterprises. Choose your perfect fit.

Starter

$2.99 $ 0.00 / month

Launch offer – discounted forever while your subscription remains active.

  • Monitor up to 5 URLs
  • Email Alerts
  • Detailed Visual Diffs
  • Daily Snapshots
Get Started

Advanced

$9.99 $ 4.99 / month

Launch offer – discounted forever while your subscription remains active.

  • Monitor up to 20 URLs
  • Email Alerts
  • Detailed Visual Diffs
  • Daily Snapshots
Get Started

Professional

$19.99 $ 9.99 / month

Launch offer – discounted forever while your subscription remains active.

  • Monitor up to 50 URLs
  • Email Alerts
  • Detailed Visual Diffs
  • Daily Snapshots
Get Started
Our Users

Love Macrosentinel!

See why businesses and professionals trust us to keep their online presence secure and under control.

As a cybersecurity analyst, I rely on Macrosentinel to detect unauthorized changes on sensitive web pages. It has saved us from potential attacks more than once — an absolute lifesaver.

Essential for Security Teams
Jessica Morales

We track our competitors' pricing pages and new feature announcements with Macrosentinel. It helps us make faster marketing decisions and stay ahead in a crowded market.

Competitive Edge Unlocked
Daniel Kim, Growth Strategist

Macrosentinel monitors all our legal policy pages, ensuring compliance at all times. The instant alerts allow us to react quickly to any regulatory updates.

Compliance Made Easy
Sarah Lee, Legal Counsel

Our design team uses Macrosentinel to monitor critical design assets and brand pages. It helps us maintain visual consistency across all markets effortlessly.

Brand Consistency Hero
Tomás Rivera, Creative Director

Macrosentinel has transformed the way we manage our SaaS updates. We get notified instantly if something unexpected happens on our product pages or login flows.

Faster Product Iteration
Lara Chen, Product Manager

We used to manually check our partners’ service status pages daily. Now, Macrosentinel does it for us and alerts the whole team in real time. It’s a game changer.

Real-Time Partner Monitoring
David O’Neill, IT Operations Lead
Get Started

Sign Up Today!

Join hundreds of professionals and businesses already monitoring their critical web assets with Macrosentinel. No installation needed — set up your first alert in minutes and stay in control of every change.