Harper is built for enterprises that need fast, resilient backends to power both user and bot experiences, delivering performance gains and unmatched value as applications move closer to the edge.
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Overview
Harper is a unified development platform that fuses database, cache, application, and messaging into a single, high-performance runtime.
Among its many use cases, it can provide prerendering for bots and users—accelerating SEO visibility while directly improving real-world speed, freshness, and resilience at the infrastructure layer.
Prerender.io is a crawler-focused prerendering middleware. It detects bot user-agents (search, social, or AI crawlers) and returns cached HTML snapshots to those bots only. It enhances crawlability and indexation but does not improve human user performance, Core Web Vitals, or uptime.
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Architectural Role
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Ideal Use
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Core Offering
Why Harper is the Better Enterprise Solution
Full Performance Impact, Bots and Humans
Harper improves both crawlability and user experience, directly enhancing Core Web Vitals and real-world interaction speeds.
Prerender.io improves only how bots see your site, not how users experience it.
Native Resilience and Edge Distribution
Harper’s prerendered pages can serve even when origin systems fail, maintaining uptime and conversions for large catalogs.
Prerender.io depends on origin uptime and cannot serve as a failover layer.
Real-Time Freshness
Harper has TTL-based refresh cycles but can also dynamically inject updated data at request time without re-rendering, which is essential for maintaining live inventory, pricing, and personalization.
Prerender.io relies on TTL-based refresh cycles or manual re-render triggers.
Platform Value Compounds at Scale
Harper’s unified runtime multiplies business impact as more workloads—data, cache, app logic—move onto the platform.
For large catalogs, Harper delivers exceptional value per render compared to prerender.io while also providing resilience as an origin backup.
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