PageRadar.io is a professional SaaS platform designed to help website owners, developers, and digital marketers monitor their websites' performance and track critical changes. Our platform provides real-time monitoring, intelligent alerts, and detailed reporting to ensure your website performs optimally and maintains its search engine visibility.
Whether you're managing a single website or multiple domains, PageRadar offers the tools you need to stay informed about your site's health, detect issues before they impact your users, and maintain peak performance across all your digital properties.
Track Google's Essential Performance Metrics with Precision
Monitor your website's Core Web Vitals - the key performance metrics that Google uses to evaluate user experience and search rankings. Our comprehensive monitoring system tracks six critical metrics: Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), First Contentful Paint (FCP), Time to First Byte (TTFB), Interaction to Next Paint (INP), and overall PageSpeed Score.
Key Features:
Real-time Performance Tracking: Monitor LCP, CLS, FCP, TTFB, INP, and PageSpeed scores
Desktop & Mobile Monitoring: Track performance across both device types
Historical Data & Trends: View performance evolution over time with detailed charts
Custom Thresholds: Set personalized alert thresholds for each metric
Google PageSpeed Integration: Direct integration with Google PageSpeed Insights API
Performance Reports: Generate comprehensive PDF reports with AI-powered recommendations
How It Works:
Add your URLs to monitor with custom performance thresholds
Our system fetches Core Web Vitals data daily using Google PageSpeed Insights
Receive instant alerts when metrics exceed your defined thresholds
Track performance trends and identify optimization opportunities
Generate detailed reports for stakeholders and development teams
This monitoring helps you maintain excellent user experience, improve search engine rankings, and ensure your website meets Google's performance standards for Core Web Vitals.
Detect Critical SEO Changes Before They Impact Your Rankings
Protect your search engine rankings by monitoring essential SEO elements across your website. Our intelligent HTML monitoring system tracks changes to title tags, meta descriptions, headings, canonical URLs, Open Graph tags, structured data, and more. Get alerted the moment important SEO elements change, with detailed before/after comparisons.
Key Features:
Complete SEO Element Tracking: Monitor title tags, meta descriptions, H1-H6 headings, canonical URLs
Structured Data Monitoring: Track Schema.org JSON-LD changes
Open Graph & Twitter Cards: Monitor social media optimization tags
Focus Keyword Tracking: Get alerts when target keywords disappear from key elements
Intelligent Change Detection: Smart diff system that identifies meaningful changes
Severity Assessment: Automatic categorization of changes by impact level (critical, high, medium, low)
What We Monitor:
Page titles and meta descriptions
All heading levels (H1 through H6)
Canonical URL changes
Schema.org structured data (JSON-LD)
Open Graph tags for social sharing
Twitter Card meta tags
Hreflang tags for international SEO
Internal and external link counts
Custom focus keywords presence
Advanced Features:
Smart Scraping: Multi-tier fallback system including proxy networks and stealth scraping
Change Context: Understand not just what changed, but the potential SEO impact
Historical Snapshots: Complete archive of all monitored elements over time
Bulk Monitoring: Monitor hundreds of pages efficiently
Maintain your SEO rankings by staying informed about every change that could affect your search visibility.
Ensure Your Website Stays Online with Reliable Uptime Monitoring
Monitor your website's availability and HTTP status codes to detect downtime, redirects, and server errors before they impact your users and search rankings. Our monitoring system checks your URLs at configurable intervals and provides immediate alerts for any status code changes.
Key Features:
Flexible Check Frequencies: Monitor hourly, daily, or weekly based on your needs
Complete Status Code Tracking: Monitor all HTTP status codes (2xx, 3xx, 4xx, 5xx)
Redirect Chain Analysis: Track redirect changes and detect redirect loops
Response Time Monitoring: Measure and track server response times
SSL Certificate Monitoring: Verify SSL certificate validity and expiration
Historical Status Data: Track uptime trends and identify patterns
Monitoring Capabilities:
Uptime Detection: Immediate alerts for 4xx and 5xx errors
Redirect Changes: Track modifications to redirect chains
Performance Metrics: Monitor response time variations
Status Code History: Complete timeline of all status changes
Bulk URL Monitoring: Check multiple URLs simultaneously
Alert System:
Instant Notifications: Email alerts for status code changes
Downtime Tracking: Calculate and report downtime duration
Recovery Notifications: Confirmation alerts when services are restored
Customizable Frequencies: Set monitoring intervals that match your needs
Never miss downtime again with our reliable HTTP status monitoring that keeps your website's availability under constant surveillance.
Validate Affiliate Links Across 167 Countries with Geo-Targeted Testing
Ensure your affiliate marketing campaigns work correctly worldwide with our comprehensive affiliate link validation system. Test affiliate links from multiple geographic locations, track redirect chains, and detect broken or modified affiliate URLs before they cost you commissions.
Key Features:
Global Testing Network: Validate links from 167 different countries
Complete Redirect Chain Tracking: Follow affiliate redirects up to 10 hops deep
Country-Specific Proxies: Test geo-targeted affiliate campaigns accurately
Automated Monitoring: Schedule regular affiliate link health checks
Commission Loss Prevention: Detect broken links before they impact revenue
Geographic Coverage: Our proxy network spans all major markets including North America, Europe, Asia-Pacific, Latin America, and emerging markets. Test affiliate campaigns in specific countries to ensure proper geotargeting and commission tracking.
Advanced Validation:
Multi-Hop Redirect Following: Track complex affiliate redirect chains
Final Destination Verification: Confirm affiliate links reach intended landing pages
Performance Timing: Measure redirect response times across regions
Error Detection: Identify broken links, timeouts, and redirect loops
Historical Tracking: Monitor affiliate link changes over time
Business Impact:
Revenue Protection: Prevent lost commissions from broken affiliate links
Campaign Optimization: Identify best-performing geographic markets
Compliance Monitoring: Ensure affiliate links meet program requirements
Competitive Analysis: Monitor affiliate program changes and opportunities
Perfect for affiliate marketers, e-commerce businesses, and anyone managing international affiliate campaigns.
Monitor your XML sitemaps for critical changes that could impact search engine indexing and crawl efficiency. Our intelligent sitemap monitoring system tracks URL additions, removals, lastmod updates, and frozen sitemaps that haven't been updated in weeks. Get instant alerts when your sitemap changes to maintain optimal search engine visibility.
Key Features:
Comprehensive Change Detection: Track URL additions, removals, and modifications in real-time
Frozen Sitemap Detection: Alert when sitemaps haven't been updated for extended periods
URL Count Monitoring: Track total URLs and significant count variations
Lastmod Analysis: Monitor update frequencies and detect stale content signals
Multi-Sitemap Support: Monitor sitemap index files and all referenced sitemaps
Priority & Changefreq Tracking: Detect modifications to crawl priority signals
Monitoring Capabilities:
URL Status Verification: Validate that all sitemap URLs return proper status codes
Size & Format Validation: Ensure sitemaps comply with search engine requirements
Update Frequency Analysis: Track how often your sitemaps are refreshed
Cross-Reference Checking: Compare sitemap URLs with actual site structure
Historical Tracking: Complete timeline of all sitemap modifications
Bulk Sitemap Monitoring: Track multiple sitemaps across different domains
SEO Impact Prevention:
Indexing Protection: Detect accidental URL removals before deindexing occurs
Crawl Budget Optimization: Identify inefficient sitemap structures
Content Discovery: Ensure new pages are properly submitted to search engines
Technical SEO Compliance: Maintain proper XML sitemap formatting
Recovery Alerts: Immediate notification when issues are resolved
Protect your search engine indexing strategy by monitoring the gateway through which search engines discover and crawl your website content.
Monitor Reddit for keyword mentions, brand discussions, and competitor activity across all subreddits. Our advanced Reddit monitoring system tracks when your brand, products, or target keywords are mentioned, helping you engage with communities, manage reputation, and discover valuable customer insights.
Key Features:
Real-Time Reddit Scanning: Monitor new posts and comments as they appear
Subreddit Targeting: Track specific subreddits or monitor Reddit-wide
Sentiment Analysis: Understand the tone of mentions (positive, negative, neutral)
Competitor Tracking: Monitor competitor mentions and compare brand sentiment
Engagement Metrics: Track upvotes, comments, and discussion velocity
Smart Filtering: Exclude spam and focus on meaningful conversations
Monitoring Capabilities:
Post & Comment Tracking: Monitor both submissions and comment threads
Author Influence: Identify mentions from high-karma or influential users
Thread Context: Capture full conversation context around mentions
Trending Detection: Alert when mentions spike or go viral
Multi-Keyword Monitoring: Track unlimited keywords and boolean queries
Historical Data: Access complete mention history and trends
Business Intelligence:
Customer Insights: Discover unfiltered product feedback and feature requests
Crisis Detection: Early warning system for negative sentiment spikes
Content Opportunities: Find questions and discussions to engage with
Market Research: Understand customer pain points and preferences
Community Management: Engage with brand advocates and address concerns
Alert Configuration:
Instant Email Notifications: Get alerted within minutes of new mentions
Daily Digest Reports: Comprehensive summaries of all Reddit activity
Priority Alerts: Escalate high-engagement or negative mentions
Custom Alert Rules: Configure alerts based on subreddit, sentiment, or engagement
Turn Reddit's vast conversation ecosystem into actionable business intelligence with comprehensive keyword monitoring and instant alerts.
Track Changes to Your Robots.txt File and SEO Crawling Directives
Monitor your robots.txt file for changes that could impact search engine crawling and indexing. Our monitoring system tracks modifications to crawling directives, detects unauthorized changes, and ensures your SEO strategy remains intact.
Key Features:
Daily Change Detection: Monitor robots.txt files for any modifications
Line-by-Line Comparison: See exactly what changed with detailed diff reports
Directive Analysis: Track changes to User-agent, Disallow, Allow, and Sitemap directives
Critical Bot Monitoring: Special attention to Googlebot and other important crawlers
Unauthorized Change Alerts: Detect unexpected modifications to crawling permissions
Monitoring Capabilities:
Content Comparison: Compare current robots.txt with previous versions
Semantic Analysis: Understand the impact of directive changes
Bot-Specific Changes: Track modifications affecting specific crawlers
Sitemap Declaration Changes: Monitor sitemap URL additions or removals
Access Error Detection: Alert when robots.txt becomes inaccessible
SEO Impact Assessment:
Crawl Budget Impact: Understand how changes affect search engine crawling
Indexing Implications: Identify changes that might prevent page indexing
Competitive Intelligence: Monitor robots.txt changes on competitor sites
Compliance Verification: Ensure robots.txt follows SEO best practices
Protect your SEO strategy by monitoring one of the most critical files for search engine access to your website.
Monitor your keyword rankings while tracking the appearance and impact of Google's AI Overviews (formerly SGE) on your search visibility. Our advanced rank tracking system monitors traditional rankings alongside AI-generated content, helping you understand and adapt to the evolving search landscape.
Key Features:
AI Overview Detection: Track when AI Overviews appear or disappear for your keywords
Traditional + AI Rankings: Monitor both classic blue links and AI overview mentions
SERP Feature Tracking: Monitor all SERP features (Featured Snippets, People Also Ask, etc.)
Position & Visibility Metrics: Track rankings from position 1 to 40
AI Content Analysis: Understand what content Google's AI is prioritizing
Competitive Intelligence: See how AI Overviews affect competitor visibility
Advanced Tracking Capabilities:
Top 40 SERP Monitoring: Track deeper than standard top 20 monitoring
Daily Rank Updates: Fresh ranking data every 24 hours
Mobile vs Desktop: Separate tracking for different device types
Local Pack Integration: Monitor local search rankings alongside organic
Share of Voice: Calculate visibility considering AI Overviews impact
SERP Screenshot Archive: Visual proof of ranking positions and AI appearances
AI Overview Intelligence:
Appearance Frequency: Track how often AI Overviews show for your keywords
Content Source Analysis: Identify which sites AI pulls information from
Mention Tracking: Monitor if your content appears in AI-generated answers
Impact Metrics: Measure traffic changes when AI Overviews appear/disappear
Optimization Insights: Understand what content formats AI prefers
Strategic Benefits:
Adaptation Strategy: Adjust SEO strategy for AI-influenced SERPs
Content Optimization: Create content that performs in both traditional and AI results
Competitive Advantage: Stay ahead of competitors slow to adapt to AI changes
Traffic Forecasting: Predict traffic impacts from AI Overview rollouts
ROI Measurement: Track performance across the entire search ecosystem