Google addresses the subject of robots.txt files and whether it’s a good SEO practice to keep them within a reasonable size. This topic is discussed by Google’s Search Advocate John Mueller ...

To make a .txt tab delimited file, create your spreadsheet and save your file in the appropriate tab format. Click "Start," "All Programs" and select "Microsoft Excel." ...

It is a valid robots.txt file but I suspect zero search engines can understand it. John Mueller from Google did it again with his site and this time uploaded an audio file, in wav format, for his ...

By default, it saves a file in .txt format. But you may not know that you can also save a Notepad file in formats other than .txt such as PDF, HTML, etc. How to save Notepad file in HTML and PDF ...

He said that only a tiny number of robots.txt files are over 500 kilobytes. I mean, most robots.txt files have a few lines of text, so this makes sense but still, it is a nice tidbit of knowledge.

(1) Noindex in robots meta tags: Supported both in the HTTP response headers and in HTML, the noindex directive is the most effective way to remove URLs from the index when crawling is allowed.