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Short Description Community-contributed list of referrer spammers
All versions of referrer-spam-blacklist with dependencies
Informations about the package referrer-spam-blacklist
The list is stored in this repository in
spammers.txt. This text file contains one host per line.
If you are using PHP, you can also install the list through Composer:
Parsing the file should be pretty easy using your favorite language. Beware that the file can contain empty lines.
Here is an example using PHP:
server block can be configured to check the referer and return an error:
When combined, list exceeds the max length for a single regex expression, so hosts must be broken up as shown above.
Here is a bash script to create an nginx conf file:
you would then
include /etc/nginx/referer_spam.conf; inside your
Now as a daily cron job so the list stays up to date:
In Matomo (formerly Piwik)
This list is included in each Matomo release so that referrer spam is filtered automatically. Matomo will also automatically update this list to its latest version every week.
To add a new referrer spammer to the list, click here to edit the spammers.txt file and select
Create a new branch for this commit and start a pull request.. In your pull request please explain where the referrer domain appeared and why you think it is a spammer. Please open one pull request per new domain.
If you open a pull request, it is appreciated if you keep one hostname per line, keep the list ordered alphabetically, and use Linux line endings.
Please search if somebody already reported the host before opening a new one.
Matomo does sub-string matching on domain names from this list, so adding
semalt.com is enough to block all subdomain referrers too, such as
However, there are cases where you'd only want to add a subdomain but not the root domain. For example, add
referrerspammer.tumblr.com but not
tumblr.com, otherwise all
*.tumblr.com sites would be affected.
To keep the list sorted the same way across forks it is recommended to let the computer do the sorting. The list follows the merge sort algorithm as implemented in sort. You can use sort to both sort the list and filter out doubles:
Apache .htaccess referrer spam blacklist - A script for Apache users that generates a list of RewriteConds based on
This list of Referrer spammers is contributed by the community and is provided as is. Use at your own discretion: it may be incomplete (although we aim to keep it up to date) and it may contain outdated entries (let us know if a hostname was added but is not actually a spammer).
Public Domain (no copyright).