dns-prefetch-control

Middleware to set X-DNS-Prefetch-Control header.

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dns-prefetch-control
0.3.05 years ago8 years agoMinified + gzip package size for dns-prefetch-control in KB

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DNS prefetch control header for Express
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This middleware lets you set the X-DNS-Prefetch-Control to control browsers' DNS prefetching. Read more about it on MDN and on Chromium's docs.
Usage:
const dnsPrefetchControl = require('dns-prefetch-control')

// Set X-DNS-Prefetch-Control: off
app.use(dnsPrefetchControl())

// Set X-DNS-Prefetch-Control: off
app.use(dnsPrefetchControl({ allow: false }))

// Set X-DNS-Prefetch-Control: on
app.use(dnsPrefetchControl({ allow: true }))