What is the smartest way to handle robots.txt in Express?

Use a middleware function. This way the robots.txt will be handled before any session, cookieParser, etc: app.use(‘/robots.txt’, function (req, res, next) { res.type(‘text/plain’) res.send(“User-agent: *\nDisallow: /”); }); With express 4 app.get now gets handled in the order it appears so you can just use that: app.get(‘/robots.txt’, function (req, res) { res.type(‘text/plain’); res.send(“User-agent: *\nDisallow: /”); });

Ignore URLs in robot.txt with specific parameters?

Here’s a solutions if you want to disallow query strings: Disallow: /*?* or if you want to be more precise on your query string: Disallow: /*?dir=*&order=*&p=* You can also add to the robots.txt which url to allow Allow: /new-printer$ The $ will make sure only the /new-printer will be allowed. More info: http://code.google.com/web/controlcrawlindex/docs/robots_txt.html Advanced Usage … Read more

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