// WebPulseDevs
Sub-Second Apps.
Enterprise Scale.
We build high-concurrency web applications, optimize critical rendering paths, and tune database queries to deliver sub-second response times under peak enterprise traffic.
Available Services
High-Concurrency SSR Build
$3,500Enterprise-grade server-side rendering with 50K concurrent session handling, edge caching, and auto-scaling infrastructure.
Critical Rendering Path Optimization
$1,200First Contentful Paint under 1.2s. Eliminates render-blocking resources, defers non-critical JS, and optimizes image delivery pipelines.
Database Query Performance Tuning
$890PostgreSQL/MySQL slow query analysis, index optimization, query plan rewriting, and connection pool calibration for sub-50ms reads.
WebSocket Real-Time Engine
$2,100Bidirectional WebSocket architecture for live dashboards, collaborative editing, and real-time notifications with automatic reconnection.
API Gateway & Rate Limiting
$1,600Kong/NGINX gateway configuration with token bucket rate limiting, API key management, request throttling, and usage analytics.
Load Balancer & Auto-Scaling Setup
$2,400AWS/GCP load balancer configuration, auto-scaling policies, health check endpoints, and zero-downtime deployment pipelines.
Redis Caching Architecture
$750Redis cluster setup with session management, cache invalidation strategies, pub/sub messaging, and distributed locking patterns.
CI/CD Pipeline Build
$1,100GitHub Actions/GitLab CI pipeline configuration with automated testing, staging environments, canary deploys, and rollback triggers.
Performance Audit & Lighthouse Sprint
$490Full-stack performance audit: Lighthouse scores, Core Web Vitals analysis, waterfall breakdown, and prioritized remediation roadmap.
All prices in USD — Taxes calculated at checkout — Net 14 payment terms
Performance Guarantees
Sub-Second Response
Every application we build targets <1s TTFB under peak load. We tune, profile, and optimize until the numbers speak for themselves.
50K Concurrent Users
Horizontal scaling architecture that sustains enterprise traffic spikes without degradation, packet loss, or session corruption.
99.97% SLA
Redundant failover systems with automated health monitoring. We guarantee uptime or you get service credits.
Zero Bureaucracy
Direct line to the engineers building your stack. No account managers, no ticket queues, no translation layers.