Remove spam from your Google Analytics historical data
The spam that is already stored in your Analytics (or any data for that matter) can't be permanently deleted. That is why it is important to create the filters to stop receiving junk traffic.
However, you can still clean your past data affected by spam using a segment.
To help you get started I created a segment template that you just need to fill with your "valid hostname expression" and the pre-built expressions I prepared for you.
Clean segment template for Google Analytics
-
Import the template from the Google Analytics gallery. (Don't use Safari browser or it won't work. In general, I recommend you to use Chrome when working with GA)
- Select the view where you want to import the segment and click create,
- Fill the placeholders with the expressions you built (hostname and 3rd party tools) and the rest with the pre-built expressions below and save.
You can remove conditions if you don’t need them by clicking on the minus sign to the right. You can also add your own by clicking the OR button0 Valid hostnames
Remember the hostname regex is the same you created for the hostname filter. Here are the instructions to create the valid hostname expression in case you missed it.
1 Source(brateg|budilneg|buketeg|bezlimitko|biteg|boltalko|begalka|alfabot|arendovalka|bank\-rot|abcdefh|aptechko|bukleteg|abc)\.xyz|(magnet\-to\-torrent|torrent\-to\-magnet)\.com|(baixar|descargar)\-musica|wordpress(\-start|\-crew)|uptime(robot|bot|check|\-alpha|\.com)|vitaly|sharebutton|semalt|ranksonic|share\-button|anticrawler|timer4web|free\-video\-tool|responsive\-test|dogsrun|fix\-website\-er|dailyrank|sitevaluation|seo\-2\-0\.|99seo|top10\-way|(videos|buttons)\-for\-your|best\-seo\-(solution|offer)|buttons\-for\-website|profit\.xyz|dbutton|keywords\-monitoring|platezhka|7makemoney|forum69|kings\-analytics|checkpagerank|pr\-cy\.ru|\-\-(production|website|sale)\.com|(audit|dollars|success|top1|amazon|commerce)\-seo|free\-video\-tool|datract|hacĸer|ɢoogl|slifty\.github|\-liar.ru|3\-letter\-|rencer\.ru|foxweber|free\-fbook|goodwriterssales|tourcroatia|spinnerco|justkillingti|suralink|worldtraveler|oldfaithfultaxi|christopherlane|hollywoodweeklymagazine|losangeles\-ads|anniemation|timdreby|pcimforum|yellowstonesafaritours|autoseo|blogarama|for\-placing|brainwizard|casinos4|ḷ\.com|davidsbag|bestonwardticket|presleycollectiblesm|\-backlinks\.com|phoenicx\.co\.uk|be\-escorts|vidyoze|brasseriebread|helvetiiconsulting|johntrapane|cloudsendchef|theautoprofit|:8888|blog1989|incomekey|amazon\-ads\.ovh|krumble\.net|10bestseo|seo\-watch|blog100|seoservices2018|resell\-seo|auto\-?seo|free\-website\-traffic|mycheaptraffic|ecblog|(artblog|howblog)\.top|bestbaby\.life2 Language\s[^\s]*\s|.{15,}|\.|,|^c$3 Page Titlegoogle-liar|whitehouse\.gov|life\.ru|vice\.com|vc\.ru|rencer\.ru|blackhatworld4 Network Domainpaloaltonetworks|scaleway|kcura5 Service Providerhubspot|^google\sllc$|^google\sinc\.$|alibaba\.com\sllc|ovh\shosting\sinc\.|microsoft\scorp|facebook\sireland\sltd|online\ssas|evercompliant|early\sregistration\saddresses|inktomi\scorporationWant to get notified of expression updates and new filters?
After saving the segment, you will be able to see spam-free reports, as long as the segment is selected.
Do you have any questions or feedback?
I've tried to cover every important detail in this guide, however, if there is any part of the guide where you got stuck, let me know in the comments section below.
If this article helped you, consider sharing it or leaving a comment below on your experience, it may help other people! 
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