# Spidr > Authentic 1:1 Computer-Based Test (CBT) platform & mock exam simulator for JEE Main, JEE Advanced, and NEET. Spidr (https://spidr.live) is a zero-lag (60 FPS) educational CBT exam simulator engineered specifically for Indian engineering and medical entrance exam candidates. It provides 143,000+ chapter-wise Previous Year Questions (PYQs), authentic NTA exam screens, top coaching mock test series at just ₹99, instant percentile prediction, and deep speed-vs-accuracy result analytics. ## Core Capabilities - Authentic 1:1 NTA CBT Simulation: Identical replica of the official NTA console with question palettes, countdown timers, and question status indicators. - 143,000+ Real PYQs: Comprehensive previous years' questions for Physics, Chemistry, Mathematics, and Biology with verified step-by-step solutions. - ₹99 Top Coaching Mock Test Series: High-yield full syllabus mock tests simulating actual exam difficulty. - Deep Result Analytics: Question-by-question timing, speed vs accuracy charts, chapter-wise strength assessment, and an automated mistake notebook. - Instant Percentile Predictor: Real-time score-to-percentile computation based on calibrated test-taker distribution models. ## Key URLs - Homepage: https://spidr.live/ - Student Portal & Tests: https://spidr.live/login - About & Mission: https://spidr.live/about - Support & Grievance: https://spidr.live/contact - Terms of Service: https://spidr.live/terms - Privacy Policy: https://spidr.live/privacy - Refund Policy: https://spidr.live/refunds - Educational Disclaimer: https://spidr.live/disclaimer ## Machine-Readable Endpoints - Sitemap: https://spidr.live/sitemap.xml - API Catalog: https://spidr.live/.well-known/api-catalog - AI Agent Authentication Guide: https://spidr.live/auth.md