Uptime monitoring says your site is up. But the product description vanished, the checkout button broke, and your compliance text disappeared after a deploy. Content Radar catches what status codes can't.
The invisible failure
A JavaScript bundle fails to load after a deploy. The server still responds normally, but half the page is empty. Click to toggle between what your customers saw before and after.
HTTP/1.1 200 OK
Content-Type: text/html
X-Cache: HIT
CF-Ray: 8a2b3c4d5e6f
Server: cloudflare
Response time: 142ms
Uptime monitor says: ALL GOOD
Status code is 200, response is fast.
No problems detected.
The server returned 200 OK both times. Traditional uptime monitoring would report zero downtime. Your customers saw a broken page for hours.
How it works
Create keyword rules for every page you care about. Must-contain rules verify essential text stays present. Must-not-contain rules catch unwanted content like debug output, hack injections, or error messages.
Every rule is checked on a schedule you control, from every 30 seconds to hourly, across 10+ global locations. Pages are fully rendered with a real browser engine, so JavaScript frameworks like React, Vue, and Next.js work perfectly.
Every one of these returns HTTP 200 OK. Only content monitoring spots them.
Your React app ships a broken bundle. The server returns HTML, but the page renders an empty white shell. Word count drops from 2,000 to zero.
43% of SPAs experience this yearly
A content editor accidentally publishes a draft over your top-performing landing page. The old copy, A/B tested and optimised, is gone.
Recoverable only if caught quickly
Cloudflare serves a months-old cached version of your pricing page. Current prices, features, and CTAs are all wrong. No server error.
Invisible to server-side monitoring
An attacker injects content into your site through a compromised plugin. Your pages now contain spam links, redirects, or offensive material.
Average detection time: 196 days
Your chat widget, payment form, or review carousel stops loading. The page works, but critical functionality is silently missing for every visitor.
3rd-party scripts fail 2.7x more
A template update strips the required financial disclaimer from your checkout page. You stay non-compliant until a regulator or auditor notices.
Fines can exceed £500,000
Real scenario
An e-commerce team pushes a frontend deploy at 2:00 PM. A broken JavaScript bundle prevents the product page from rendering its "Add to Cart" button and stock information. The server returns 200 OK. Their uptime monitor reports everything is fine.
Content Radar runs a check within 30 seconds. The keyword "Add to Cart" is missing. An alert fires to Slack immediately. The engineer on call sees it, identifies the broken bundle, and rolls back within five minutes.
Without content monitoring, this failure would have continued until a customer complained, or until someone manually browsed the page. Internal data shows the average detection time for silent content failures is over four hours. That translates directly to lost revenue and damaged search rankings.
Set up keyword rules for your most critical pages. Free for 50 monitors, no credit card needed.
From online stores to regulated financial services, Content Radar adapts to your monitoring needs.
Product descriptions, prices, stock status, checkout buttons, and promotional banners all need to render correctly for every visitor. A single broken product page can cost thousands in lost sales before anyone reports it.
Catch rendering failures in React and Vue apps. Verify login forms, dashboards, and onboarding flows render completely.
Verify disclaimers, privacy notices, and regulatory text remain visible across every page after CMS updates.
Ensure target keywords stay on optimised landing pages. Detect accidental noindex tags and missing meta descriptions from SEO monitoring.
Detect defacements, injected spam, and unauthorized content changes before customers or regulators see them.
A side-by-side comparison of what different monitoring approaches actually detect. Content Radar covers the gaps that HTTP monitoring and ping checks leave open.
Content Radar works alongside your existing monitoring. Combine with SSL monitoring, DNS checks, and response time tracking for complete infrastructure coverage.
50 monitors free forever. Upgrade when you need faster checks or more capacity.
Most popular
£29/month
All plans include multi-location checks, incident management, and public status pages. Full plan comparison →
Content monitoring is one piece of the puzzle. Explore what else Pulse Stack™ can do.
Everything you need to know about keyword and content monitoring.
Set up keyword rules in under two minutes. Free for up to 50 monitors, no credit card required.
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