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How Do Push Ads Work? Tracking, Risks and How to Block Them

By · Contributor · Published December 31, 2025 · Updated August 28, 2026 · 3 min read

How Do Push Ads Work? Tracking, Risks and How to Block Them

Online advertising funds most of the web, but not everyone wants ads following them from site to site. However, not everyone wants to be bombarded with ads while browsing the internet. This has led to the rise of ad blocking systems and VPNs, which are becoming increasingly popular among internet users. In this blog post, we will explore how pushing ads work, how VPNs and ad blocking systems prevent them, and ways to protect yourself from ads.

Key Points

Push advertising is when marketers push ads to users based on their browsing history, search terms, and location.

VPNs and ad blocking systems block ads from being shown on websites and mobile apps.

To protect yourself from ads, you can use a VPN, install an ad-blocker, clear your cookies and cache, and opt-out of targeted advertising.

Push Advertising

Push advertising is a form of advertising where marketers push their ads to their target audience through various channels, such as email, social media, or web notifications. This type of advertising is highly effective because it targets consumers who are already interested in the product or service being promoted.

Push advertising works by collecting user data, such as browsing history, search terms, and location, to determine what type of ad to push to the user. Advertisers use cookies and tracking pixels to collect this information and create a user profile, which helps them serve more relevant ads to the user.

The case against ad blocking

On the other hand, some argue that the use of ad blockers such as Vortex can negatively impact content creators who rely on advertising revenue to support their websites and online platforms. Without advertising income, many websites may need to turn to alternative monetization methods such as paywalls or subscriptions, which may not be financially feasible for all users. Additionally, some argue that the use of ad blockers can contribute to a “free-rider problem,” where users enjoy the benefits of free content without supporting the creators who produce it. While Vortex Ad blocking protocol can provide benefits to users, it is important to consider the potential consequences for content creators and the overall sustainability of the online ecosystem.

VPN and Ad Blocking Systems

A VPN, or Virtual Private Network, is a secure connection between your device and the internet that encrypts your online activities and hides your IP address. Ad blocking systems, on the other hand, are software programs that prevent ads from being displayed on web pages, mobile apps, and other digital platforms.

Both VPNs and ad blocking systems work by blocking scripts and cookies that track user data and deliver ads. VPNs also hide your IP address, making it difficult for advertisers to collect your data and serve you ads based on your location.

Ways to Protect Yourself from Ads

  1. Use a VPN - A VPN, such as Veilock can protect your online activities from prying eyes and block ads from being displayed.
  2. Clear your cookies and cache regularly - Clearing your cookies and cache regularly can help prevent advertisers from tracking your data and delivering targeted ads.
  3. Opt-out of targeted advertising - Most advertising networks allow you to opt-out of targeted advertising. This will prevent them from collecting your data and serving you targeted ads.

Push advertising is an effective way for marketers to reach their target audience and increase sales. However, not everyone wants to be bombarded with ads while browsing the internet. VPNs and ad blocking systems provide a way for users to protect themselves from intrusive advertising and maintain their online privacy. By following the tips mentioned above, you can protect yourself from ads and enjoy a more enjoyable online experience.

About the author

Dylan Lambertson · Contributor

Dylan Lambertson writes tutorials and network deep-dives for the Veilock blog.

Frequently asked questions

What is push advertising?

Advertising delivered to you rather than displayed where you happen to be looking — email, social feeds and browser notifications are the usual channels. It relies on a profile assembled from your browsing history, search terms and location, which is what makes the targeting feel uncomfortably accurate.

How do advertisers know what to show me?

Through cookies and tracking pixels embedded across the sites you visit. Each one reports back to an ad network, which stitches the visits together into a single profile. No individual site sees much; the network aggregating hundreds of them sees a great deal.

Does a VPN block ads?

Not on its own. A VPN hides your IP address, which removes location-based targeting and makes cross-site correlation harder. Ads still load. Blocking the ads themselves needs either a DNS-level filter or a browser content blocker; some VPNs bundle the former.

How do I stop browser push notifications?

Revoke the permission. In your browser settings, open the notifications section, review the sites that have been granted access and remove any you did not intend to allow. Setting the default to ask-before-sending stops new sites requesting it mid-visit.

Is blocking ads unfair to websites?

It is a real trade-off. Many sites depend on advertising revenue, and widespread blocking pushes them toward paywalls or subscriptions. The counterargument is that the tracking infrastructure behind targeted advertising collects far more than is needed to serve an ad, which is what most blocking is actually a response to.

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