how to stop a search robot from indexing my website?

how to stop a search robot from indexing my website? ANSWER TO THE ABOVE QUESTION you can use robots.txt to restrict searchengines not to index parts of your website. Adding the below lines will restrict all the searchengines from not indexing the folder "samplefolder" and all its content. Add the below lines in a notepad and save it in the root direcory of your website. User-Agent: * Disallow: /samplefolder your can also restrict specific files from being indexed by adding a line below to your robots.txt file. Disallow: /xyz.html