1
Step 1
Select Your Goal
What should this monitor watch for? We'll set up the right detection, filters, and alerts that you can customize later.
Privacy-first · Runs 100% locally · No accounts
COMPETITOR INTELLIGENCE
Know every move your competitors make.
Pricing, features, messaging, redesigns, hiring — monitored across every competitor page. AI-summarized briefings delivered to your terminal, your inbox, or Telegram.
Pricing pages change without announcements. Feature comparison tables get updated to add new claims or quietly drop old ones. A redesigned hero signals a brand pivot. A competitor starts hiring aggressively in your market. None of this comes with a press release — and by the time you notice from a customer who mentions it in passing, you are already behind.
Existing monitoring services solve part of the problem but create new ones. They store your watched URLs and change history in the cloud, which means a vendor knows exactly who you are watching and when they change.
"Competitors do not announce when they raise prices. You find out when a customer mentions it."
PageSignal runs on your computer. Your competitor portfolio, snapshots, and change history stay in a local database unless you explicitly route alert content through notifications. You own what you learn.
Six detection modes — one for each kind of competitor move.
Text catches messaging shifts and feature claims. Visual catches redesigns and new CTAs. Layout catches new sections and removed comparison rows. Price/Number catches plan limits, quotas, and pricing tier changes. SEO catches title and metadata pivots that signal organic strategy shifts. AI summarizes the change in plain language — what moved and what it might mean strategically.
- Text · Visual · Layout · Price/Number · SEO · AI
- AND/OR gate mode per monitor
- Threshold tuning per detection layer
Watch what matters. Ignore the noise.
CSS selector targeting points a monitor at exactly the element you care about — the pricing table, the comparison grid, the announcement section. Ignore selectors actively exclude rotating testimonials, cookie banners, and analytics scripts. Up to 24 text match rules per monitor make alerts conditional on specific keywords appearing in a change.
Monitor competitor pages behind a login.
Not all competitive intelligence is on public pages. Community portals require login. Partner dashboards are behind registration. Premium-tier documentation is only accessible to paying customers. PageSignal's sign-in window lets you authenticate in a real browser session before monitoring begins. The session persists across check runs — log in once, monitor forever.
- SSO, OAuth, multi-step auth supported
- Session persists across check runs
- Free-tier signups unlock changelog access
Organize a multi-competitor portfolio.
Profiles group monitors by competitor. Open the dashboard, filter to one competitor, see only their monitors and recent changes. Labels add a second dimension — "pricing," "features," "blog," "careers" — for cross-competitor views. Starred monitors sort to the top. The needs-attention page surfaces unreviewed changes so nothing falls through the gaps.
AI-powered briefings — written for analysts, not engineers.
Instead of reading "3 text nodes changed in div.pricing-card," you read "The Pro plan price increased from $49 to $59 and the user seat limit was raised from 5 to 10." Weekly digests give you an AI-written overview of every competitor change from the past seven days, organized by significance. Bring your own API key — OpenAI, Anthropic, Google Gemini, or local Ollama.
- OpenAI · Anthropic · Gemini · Ollama (local)
- Per-route model assignment (cheap models for digests, smart models for analysis)
- URL redaction for sensitive subdomains
USE CASES Built for
Built for
every kind of intel.
Multi-competitor pricing pages
Set up price detection on every competitor pricing page. Get alerted within minutes of plan name, price point, or limit changes — pair with AI summaries for strategic context.
Blogs and newsrooms
Point a text monitor at a competitor's blog index. Catch product launches, partnership announcements, and case studies before they propagate through industry newsletters.
Careers pages
A competitor adding fifteen ML engineering roles signals investment months before any public announcement. Track by role title or layout changes.
API documentation
Documentation updates often precede or coincide with feature launches. Catch new endpoints, deprecated features, and changed auth requirements.
Landing pages & messaging
Watch competitor homepages and product pages for messaging shifts — the words they use are an early signal of strategic pivots.
Feature comparison grids
Comparison pages are high-signal — competitors only publish features they are confident in. Layout and text detection catches new rows, removed limitations, and expanded integrations.
Changelog and support pages
Public changelogs reveal what competitors are shipping, fixing, and deprecating. Continuous monitoring gives you an ongoing feed of their release activity.
Testimonial and case study pages
Trust badges and case study libraries update when competitors land notable customers. Visual and text detection catches new claims in segments you share.
Schema / structured data
When a competitor adds Review or AggregateRating schema to a product page, they are building toward star ratings in results. SEO detection catches their rich-result strategy.
Features Everything you need to
Everything you need to
track the web
Six detection modes
Text, layout, visual diffs, price/number tracking, SEO signals, and AI-evaluated changes. Run one alone or combine them with AND/OR gating on the same monitor.
Visual Text Layout Price SEO AI
Point-and-Click
Select any element on a page to monitor just that — a price, button, paragraph, anything.
Briefs
Get a daily brief of what matters most across the pages you watch.
Smart Noise Filtering
Strips ads, timestamps, and carousels. Only real changes reach you.
Real Browser Captures
Checks pages in a real browser so JavaScript, sessions, and dynamic content render correctly.
Conditional Logic Gates
Set rules like "notify me only if price drops below $50" or "alert when 'Sold Out' disappears."
IF price < $50.00
THEN Notify → Desktop + Telegram
BYOK AI
OpenAI, Anthropic, Google Gemini, or local Ollama. Your key, your model, your route — plain-English summaries of every change.
Login-Protected Sites
Reuses your active browser session to monitor pages behind authentication.
Anti-Bot Mode
Human-like rendering with jitter bypasses Cloudflare and bot detection.
NOTIFICATIONS Briefings the way
Briefings the way
analysts work.
Telegram for instant intel · Webhook into Telegram or a CRM · Email digest for weekly competitive reviews.
Telegram
@pagesignal_bot · 14:43 🔔 Change detected — tap to review the diff
Webhook
POST · 200 OK { "event": "change.detected", "monitor": "..." }
Email
Monday · 09:00 Subject
Weekly digest · 14 changes across 8 monitors
Discord
#alerts Change detected · review at #monitor-alerts
How It Works Set it up in seconds
Set it up in seconds
in 60 seconds.
No accounts, no cloud, no complicated setup.
2
Step 2
Choose what to track
Pick one of six detection modes — or combine them with AND/OR gating on a single monitor.
3
Step 3
Set your rules
Schedule (60s–24h), text match rules, price thresholds, AI focus instructions, noise filters.
4
Step 4
Get notified
Desktop, email, Telegram, or webhook — immediate, grouped, or digest.
Privacy-First What makes us
What makes us
different.
No accounts. No cloud. No tracking. Everything stays on your device.
100% Local
Nothing touches a remote server.
No Account
No sign-ups or personal info.
Zero Telemetry
No analytics, no phone-home.
Full Export / Migration / Backups
YML and ZIP backups, anytime.
PageSignal
Cloud monitors
Browser extensions
Runs locally
Yes
No
Sometimes
Cloud account
No
Yes
Sometimes
Local backup
Yes
No
Limited
Real browser capture
Yes
Sometimes
Limited
Login-protected pages
Yes
Limited
Limited
AI summaries
Optional
Sometimes
Limited
Runs locally
PageSignal Yes
Cloud monitors No
Browser extensions Sometimes
Cloud account
PageSignal No
Cloud monitors Yes
Browser extensions Sometimes
Local backup
PageSignal Yes
Cloud monitors No
Browser extensions Limited
Real browser capture
PageSignal Yes
Cloud monitors Sometimes
Browser extensions Limited
Login-protected pages
PageSignal Yes
Cloud monitors Limited
Browser extensions Limited
AI summaries
PageSignal Optional
Cloud monitors Sometimes
Browser extensions Limited
FAQ Competitor intel
Competitor intel
questions.
Do my competitors get notified that I am watching their site?
No. PageSignal monitors pages the same way a regular browser would. Site operators see ordinary browser sessions, not a labeled monitoring tool. PageSignal sends nothing to the page operator about what or who is doing the monitoring.
Can I monitor pages that require login on a competitor's site?
Yes. The sign-in window lets you authenticate once with your normal credentials (or a test account on free competitor products). The session persists across check intervals, so authenticated competitor pages monitor on the same schedule as public ones.
How does the AI summary work and what data leaves my machine?
AI features are optional and use API keys you provide. You choose the provider — OpenAI, Anthropic, Google Gemini, or local Ollama. Only the page-change content you route through AI is sent to the provider. URL redaction strips sensitive subdomains from prompts before they leave. Everything else stays on your machine.
How many competitor sites can I track?
No PageSignal license cap on monitor count. Practical capacity depends on your computer, network, and check frequency. Most users with 5–10 competitors run 30–100 monitors comfortably on a regular laptop.
Does PageSignal handle Cloudflare-protected competitor sites?
Yes — PageSignal uses a real browser engine with JA3 fingerprint matching. Cloudflare challenge pages are detected and handled rather than silently treated as the real page. Bot-sensitive sites that load in your browser typically load in PageSignal too.