When comparing Expertrec vs SearchStax, the Slant community recommends SearchStax for most people. In the question“What are the best hosted Search Engine as a Service providers?” SearchStax is ranked 10th while Expertrec is ranked 11th.
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Pros
Pro Easy to implement - no coding required
Pro Super fast, sub-ms latency, user learning based re-ranking
One of the fastest site search engines available.
Pro Multi-Cloud (Available on all major public cloud providers)
Pro Includes comprehensive Solr monitoring
Pro Includes search analytics
Provides real-time feedback and insights to developers.
Pro Dedicated clusters
Gain full performance by utilizing VM offerings of underlying cloud providers.
Pro Easy setup
Developers can setup their environment using automation with client of a few buttons.
Pro Support available anytime
Pro Based on open source
Pro Available across the globe
Pro Fully dedicated VM's
All VM compute, memory, and SSD resources are dedicated to my application unlike others.
Pro Private cloud capable (available)
Can utilize private clouds within public clouds e.g. can leverage private clouds on Microsoft Azure via VNet and VNet Peering for higher security and performance.