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Block site-speed-checker.site referral spam in Google Analytics

Site-speed-checker.site is a referrer spam URL that is designed to gather your attention and persuade you to visit the URL in your browser. Site-speed-checker.site referral spam in Google Analytics can ruin your website’s data and make it difficult to monitor your proper metrics. The referrer spam URL usually spams your website’s data with a random string, or path, such as 84651407-1.site-speed-checker.site.

site-speed-checker.site referral

What is site-speed-checker.site?

Site-speed-checker.site is a referrer spam URL we recently discovered. If you visit site-speed-checker.site in your browser you will be forwarded to another website, including a landing page on the front.to domain name that promotes “A Free Super-Fast Javascript CDN.”


If you notice site-speed-checker.site referrals in Google Analytics it does not mean that anyone was referred to your website from the URL. The referral traffic does not actually land on your website. It is a type of web traffic known as ghost traffic that creates phantom web hits in order to fool you into visiting it in your browser.

Referrer spammers usually target your website’s data for several reasons:

  • Referrer spammers want to promote a website and want you to visit the webpage or search for it online through Google search engine results pages.
  • Referrer spammers want to boost their rank on Google search engine results pages by creating backlinks. They do this by logging requests into your website’s access log, which is then crawled by Google’s indexing bots and seen as a backlink to the spam site.

Site-speed-checker.site referral spam in Google Analytics can be an issue for anyone who values their website’s real data. The referrals are used to mix fraudulent web traffic data into Google Analytics reports. Referrer spam from this and other spam websites can ruin your personal website’s analytical data measured by Google Analytics. It can affect most of the data in your reports with fake web traffic and data. For example, site-speed-checker.site referrals will appear to land on a single webpage on your website and leave from the same website, which will create a 100% bounce rate. If your website is targeted by referrer spammers you may not be able to identify your website’s bounce rate. The same can be said about other data measured in most Google Analytics reports.

How to block site-speed-checker.site referral spam

This guide explains how to block site-speed-checker.site referral spam in Google Analytics by creating an exclude filter to block site-speed-checker.site referrer spam at the campaign source. This is the method recommended by Google to block referrer spam in your Google Analytics account.

1. Open your Google Analytics account and go to the Admin tab> Cick Filters on the right side in the VIEW section.

2. Click the + ADD FILTER button to create a new exclude filter.

3. Add site-speed-checker.site or something you can easily remember as the Filter Name.

4. Select the Custom Filter Type.

5. In Filter Field, find and select Campaign Source in the list. In the Filter Pattern text box, add site-speed-checker.site and click the blue Save button on the bottom of the webpage. To add multiple URLs to the same filter you can make a Filter Pattern similar to this with a | between each URL: Example.com | Example\.com | site-speed-checker.site

Also See: How to exclude all hits from known bots and spiders in Google Analytics (Bot Filtering)

Sean Doyle

Sean is a tech author and engineer with over 20 years of experience in cybersecurity, privacy, malware, Google Analytics, online marketing, and other topics. He is featured in several publications.

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