Competitor Intelligence — Powered by AI

Know the moment
your competitor
changes anything

WebSignal AI watches every competitor website 24/7 and delivers AI-powered intelligence the instant they change pricing, messaging, SEO, or content.

Start Monitoring Free Try live demo

No credit card required. Free plan · 5 monitors forever

Live monitoring activity

Example events — yours appear after first monitor

stripe.com · Pricing page · "Plus" tier added2m ago

notion.so · Title changed · New homepage tagline8m ago

linear.app · Pricing intel · Free plan limit updated14m ago

vercel.com · SEO score +8 · Major meta refresh31m ago

github.com · H1 changed · "Let's build from here" → "Build what's next"1.2h ago

figma.com · Enterprise repositioning · Contact Sales CTA added1h ago

stripe.com · Pricing page · "Plus" tier added2m ago

notion.so · Title changed · New homepage tagline8m ago

linear.app · Pricing intel · Free plan limit updated14m ago

vercel.com · SEO score +8 · Major meta refresh31m ago

github.com · H1 changed · "Let's build from here" → "Build what's next"1.2h ago

figma.com · Enterprise repositioning · Contact Sales CTA added1h ago

Monitors free forever

<500ms

Analysis latency

15+

SEO signals tracked

24/7

Always monitoring

Live Demo

Analyze any URL
right now

Enter any competitor URL and see what WebSignal AI extracts. Sign in to run — free account takes 30 seconds.

websignalai.YOUR_SUBDOMAIN.workers.dev/api/analyze

LIVE

🔒 Sign in to run the live demo — the analyze endpoint requires authentication to prevent abuse.

Create a free account → (30 seconds, no credit card) then use the Analyze URL tab directly in the dashboard — it's the same tool, already logged in.

Fetching page…

Set up automated monitoring → Get alerted the moment this page changes. Free plan includes 5 monitors.

Start Free →

Features

Everything you need
to stay ahead

Built on Cloudflare's global edge. Zero cold starts. Results under 500ms from anywhere.

📡

Real-Time Monitoring

Track competitors 24/7. Alerts fire the moment their title, description, H1, pricing, or SEO score changes.

ALWAYS ON

🧠

AI Change Summaries

Every alert includes a plain-English AI analysis of what changed and what it means for your business — not just "content updated."

GEMINI AI

💰

Pricing Intelligence

Auto-extract competitor pricing tiers. Instant alerts when they raise prices, add plans, or quietly remove their free tier.

UNIQUE

🔑

Keyword Monitoring

Watch for specific phrases appearing or disappearing — "free trial", "enterprise", "contact sales". High-severity alert on any change.

NEW

🔗

Webhooks & Slack

Push alerts to Slack, Discord, or any HTTP endpoint. HMAC-signed payloads. Connects to your workflow in under 2 minutes.

PRO+

⚡

Developer API

Full REST API with key auth. Analyze any URL, fetch history, build custom intelligence dashboards and automations.

FULL REST

Why It Matters

Hours of manual research,
now delivered instantly

💰

Pricing changes

Competitor drops their Pro plan by $20. Without WebSignal, your sales team finds out when a prospect mentions it — weeks later. With it, you know in minutes.

Detected automatically, 24/7

🧠

AI summaries

Not just "title changed" — the AI explains: "Competitor shifted to outcome-led messaging. Likely A/B testing against churn objections." That's actionable.

On every alert, every change

⚡

REST API

One call returns title, SEO score, pricing tiers, H1, canonical URL, and a full AI brief. Under 500ms. No scraping infra to build or maintain.

Plug into any workflow in minutes

Developer API

One call.
Instant intelligence.

Integrate WebSignal AI directly. Analyze any URL, detect pricing, track changes — all via REST.

GET /api/analyze

REST · JSON

$ curl "YOUR_WORKER_URL/api/analyze?url=https://competitor.com/pricing&pricing=true" \
  -H "x-api-key: ws_your_key_here"

# Response:
{
  "success": true,
  "aiSummary": "Competitor runs a PLG motion — free tier anchors $29/mo Pro plan.",
  "seo": { "score": 84, "grade": "A" },
  "pricing": {
    "tiers": [
      { "name": "Free", "price": 0 },
      { "name": "Pro",  "price": 29 }
    ],
    "hasFreePlan": true
  },
  "latencyMs": 312
}

Pricing

Simple,
transparent pricing

Start free forever. Upgrade when you need faster checks or more monitors.

Monthly

Annual

Free

^$0/mo

Perfect for trying it out

✓5 monitors
✓6h check interval
✓7-day history
✓Email alerts
✓AI summaries
–Webhooks & Slack
–Pricing intelligence

Get Started Free

Stop checking manually.
Start knowing instantly.

Set up your first monitor in 60 seconds. No credit card. No commitment.

Start Monitoring Free See live demo

Free plan · No credit card · 5 monitors forever

Know the momentyour competitorchanges anything

Analyze any URLright now

Everything you needto stay ahead

Hours of manual research,now delivered instantly

One call.Instant intelligence.

Simple,transparent pricing