@nodebb/spider-detector
v2.0.3
Published
A tiny node module to detect spiders/crawlers quickly and comes with optional middleware for ExpressJS
Downloads
3,990
Readme
spider-detector
A tiny node module to detect spiders/crawlers quickly and comes with optional middleware for ExpressJS
It might be useful when you have a single page app but want to deliver static pages for spiders.
Install
npm install spider-detector // or `yarn install spider-detector`
Direct Example
const detector = require('spider-detector')
detector.isSpider('baiduspider') // return true
ExpressJS example
const detector = require('spider-detector')
const express = require('express')
const app = express()
app.use(detector.middleware())
app.get('/*', function(req, res) {
if (req.isSpider()) {
// do something else, i.E. send a static page
} else {
// send single page app
}
})
Why? There are already modules out there
Well, I wanted one which does not use readFileSync
and comes with optional middleware. Furthermore some hackers do not classify Googlebot as a spider anymore which poses a problem sometimes, see next question.
What about Googlebot?
Yep, Googlebot is able to deal with single page apps but this feature is pretty unstable. Especially under AngularJS when hash fragments are disabled with $locationProvider.html5Mode(true)
. That's why - against all odds - I have classified googlebot
as a spider in this module.