Tag: crawler

ads.txt file

There are many files that crawlers expect to find in well-known locations on websites, one such file is ads.txt. While you might not have paid advertisements, crawlers may still look for a copy of this file leading to HTTP 404 errors in your logs. To prevent the error and show that you should have no advertisements leading there you can add the file with placeholder values as follows:

In the root of your website, create a new file with the name ads.txt.

#ads.txt - no DIRECT or RESELLER
www.example.com, placeholder, DIRECT, placeholder 
# NONE

NOTE: If you ever do use an advertiser, they will generally inform you as to changes to make to this file.

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Prevent Robots from indexing portions of content

Yahoo! initially introduced a CSS class that can be used to notify robots/spiders that a specific section or fragment of content should not be included for search purposes.

class=”robots-noindex”

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