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Editorial Team
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Asked: 2026-05-15T05:30:32+00:00

I am evaluating if there is a performance variation between calls made using GWT-RPC

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I am evaluating if there is a performance variation between calls made using GWT-RPC and HTTP Call.

My appln services are hosted as Java servlets and I am currently using HTTPProxy connections to fetch data from them. I am looking to convert them to GWT-RPC calls if that brings in performance improvement.

I would like to know about pros/cons of each…

Also any suggestions on tools to measure performance of Async calls…

[A good article on various Server communication strategies which can be employed with GWT.]

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  1. Editorial Team

    I wrote that article mentioned in the question (thanks for the link!).

    As always, the answer is ‘it depends’. I’ve used both GWT-RPC and JSON.

    As outlined above, GWT-RPC allows for some serious productivity in shipping java objects (with some limits) over the wire. Some logic can be shared, and GWT takes care of marshalling/unmarshalling your object.

    JSON allows for cross domain access and consumption by other, non GWT clients. You can get by with overlay types, but no behavior (like validation) can be shared. JSON can also be easily compressed and cached, unlike GWT-RPC (last time I looked).

    Since we have no idea what the payload is, performance recommendations are hard to give. I’d recommend (again, as someone does above) testing yourself.

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