5 Best Proxies for Ad Testing & Performance Monitoring in 2025

As a digital agency operating in the fast-paced world of digital advertising, it’s essential to ensure your campaigns perform optimally across different regions and platforms. Testing ads and monitoring performance can sometimes be challenging due to geographic restrictions, varying internet speeds, and the need for real-time data.

This is where proxies come into play. By acting as intermediaries between you and the internet, proxies allow you to simulate browsing from different locations in order to get an accurate picture of how your ads are performing in diverse environments. In this article, we’ll explore the top proxies for online ad testing and performance monitoring, offering you reliable tools to enhance your digital marketing strategy.

Here is our list of the best proxy providers for ad testing and performance monitoring:

1. Oxylabs EDITOR’S CHOICE A top-tier choice for ad agencies that value accuracy, and large-scale ad performance monitoring.
2. Bright Data A trusted choice for advertisers looking to maximize ad efficiency and performance monitoring.
3. Smartproxy A great choice for agencies looking to enhance ad monitoring and prevent fraud.
4. NetNut A valuable tool for ad fraud prevention for advertisers and other businesses.
5. IPRoyal Provides a cost-effective solution for ad testing and performance monitoring.

The Best Proxy Providers for Ad Testing and Performance Monitoring

When it comes to proxy for ad verification, a few top providers stand out for their performance, reliability, and features. Here’s a look at some of the best options:

1. Oxylabs

Oxylabs is a leading proxy service with a vast network across 195 countries. This positions it as one of the world’s largest ethical proxy network. With Oxylabs, ad agencies can test ads and collect geo-specific data and gain global insights while ensuring ethical practices.

Key Features:

• Extensive Proxy Network: Access to 100M+ residential, datacenter, and mobile IPs across multiple locations for global ad verification.
• Geo-Targeting Capabilities: Allows advertisers to test ads in specific countries, cities, or regions to ensure correct placement and compliance.
• Rotating and Static Proxies: Enables continuous monitoring without detection or IP bans, ensuring uninterrupted data collection.
• High-Speed and Stable Connections: Ensures real-time ad load time testing and smooth performance monitoring.
• AI-Powered Web Scraping Tools: Automates data extraction for tracking competitor ads, engagement metrics, and potential ad fraud.
• Scraper APIs: Pre-built solutions tailored for specific use cases like e-commerce, social media, and SERP scraping.

What Makes Oxylabs a Good Proxy for Ad Testing and Performance Monitoring?

Oxylabs is an excellent proxy provider for ad testing and performance monitoring due to its vast pool of residential proxies that enable agencies to verify and optimize ad campaigns globally. With over 100M IPs across multiple locations, advertisers can simulate real-user behavior.

I found that Oxylabs offers an expanding Residential IP pool with global coverage and city-level targeting, enabling precise ad verification. It supports unlimited concurrent sessions to scale ad verification tasks while minimizing the risk of IP blocks. Oxylabs’ geo-targeted proxies allow for precise ad placement verification, and detection of fraudulent activities, such as click fraud or unauthorized ad modifications.

Oxylabs’ high-speed and stable connections ensure real-time performance monitoring, so that advertisers can track ad load times, visibility, and effectiveness without interruptions. Its rotating IPs and AI-driven web scraping tools provide seamless data collection for competitive analysis and campaign optimization. With enterprise-grade security, ethical compliance, and 24/7 customer support, Oxylabs is a reliable choice for advertisers looking to enhance their ad testing, verification, and performance monitoring strategies.

How to Use Oxylabs for Effective Ad Testing and Performance Monitoring

To use Oxylabs for ad testing and performance monitoring, ad agencies can leverage its residential proxies to simulate real-user experiences across different locations. By selecting geo-targeted IPs, advertisers can verify how ads appear in various regions, to ensure proper placement, visibility, and compliance with local regulations. This helps detect ad fraud, unauthorized modifications, and discrepancies in pricing or targeting.

Similarly, agencies can use Oxylabs’ rotating proxies to continuously monitor ad performance without triggering IP bans. By automating data collection with Oxylabs’ AI-driven web scraping tools, agencies can track ad load times, engagement metrics, and competitor campaigns for strategic insights.

Oxylabs’ premium features come at a higher cost, which may be challenging for smaller agencies, and its setup requires technical expertise. The strict compliance policies may restrict certain ad monitoring strategies. Despite these limitations, Oxylabs remains a top-tier choice for agencies that value accuracy, security, and large-scale ad performance monitoring.

2. Bright Data

Bright Data is widely regarded as one of the most reliable and ethical proxy services. Its robust infrastructure, extensive IP pool, and strict commitment to compliance make it a top choice for digital agencies, researchers, and developers aiming to collect data responsibly.

Key Features:

• Geo-Targeting Capabilities: Allows agencies to test and verify ads in specific locations, ensuring accurate placement and regional compliance.
• High-Speed & Reliable Connections: Ensures fast ad load times and seamless performance monitoring.
• Advanced Web Scraping Tools: AI-powered automation for tracking competitor ads, engagement metrics, and fraud detection.
• Advanced Tools for Data Collection: Includes the Proxy Manager for proxy rotation and configuration, the Data Unblocker for bypassing CAPTCHAs and IP bans ethically, and compliance tools to meet GDPR and CCPA standards.
• Extensive Proxy Network: Access over 72M IPs across residential, mobile, datacenter, and ISP proxies, with global coverage for geo-specific and location-based ad verification..
• Ethical IP Sourcing: Uses a consent-based model to ethically obtain IPs and enforces strict policies against misuse. This ensures compliance with data privacy laws and ethical use.

What Makes Bright Data Fit for Ad Testing and Performance Monitoring?

Bright Data is an excellent choice for ad testing and performance monitoring due to its large and diverse proxy network, covering residential, datacenter, mobile, and ISP proxies in over 195 countries. With precise geo-targeting, agencies can verify ad placements, detect fraud, and ensure compliance with regional regulations.

I noted that Bright Data offers high-speed, rotating, and static IPs for uninterrupted ad performance tracking without detection or bans. Its advanced automation tools and AI-powered web scrapers help collect real-time data on ad engagement, competitor strategies, and market trends.

How to Use Bright Data for Effective Ad Testing and Performance Monitoring

To effectively use Bright Data for ad testing and performance monitoring, agencies can leverage its residential, datacenter, mobile, and ISP proxies to simulate real-user behavior across various locations. Geolocation targeting allows you to target specific locations based on City, State, Zip code, or ASN. This allows advertisers to verify how ads appear in different regions, ensuring accurate placement, compliance, and visibility.

Bright Data provides a powerful tool known as Proxy Manager that helps ad agencies efficiently manage and optimize their proxy usage for ad testing and performance monitoring. It allows users to control, filter, and rotate IPs seamlessly. The Proxy Manager’s automation features enable real-time data collection, fraud detection, and competitor analysis, for improved ad performance insights.

Furthermore, Bright Data’s rotating and static proxies enable continuous tracking of ad performance metrics such as click-through rates, load times, and engagement levels without triggering bans. Agencies can also integrate Bright Data’s AI-powered web scraping tools to automate data collection, monitor competitor strategies, and gain actionable insights for campaign optimization.

While Bright Data offers a powerful proxy network, it comes at a premium price, which may be costly for smaller agencies. Setting up and managing proxies requires technical expertise. Nonetheless, Bright Data’s powerful features and ethical approach make it a trusted choice for advertisers looking to maximize ad efficiency and performance monitoring.

3. Smartproxy

Smartproxy has positioned itself as a leading proxy service provider in Adtech and market intelligence and ethical data collection. Smartproxy is a practical choice for ad agencies looking to optimize ad effectiveness. Its services support ad agencies by providing reliable, high-quality proxy solutions that enable efficient web scraping, ad verification, and market research to optimize ad campaigns and ensure compliance.

Key Features:

• Advanced Features: Rotating proxies and sticky sessions for efficient and uninterrupted data collection, and access to 65M IPs across multiple locations for accurate ad verification.
• Geo-Targeting Capabilities: Allows testing ads in specific cities, countries, and regions to ensure proper placement and compliance.
• Automatic IP Rotation: Prevents detection and bans by rotating IPs with each request, ensuring continuous monitoring.
• User-Friendly Dashboard & API Integration: Beginner-friendly setup and seamless integration with automation tools and web scraping software.
• Affordable Pricing: Competitive and flexible pricing plans that cater to marketers and ad agencies of all sizes.
• Ethical and Responsible Practices: Strict usage policies to prevent illegal or unethical activities like spamming or hacking.

What Makes Smartproxy Fit for Ad Testing and Performance Monitoring?

Smartproxy is a valuable choice for marketers and ad agencies due to its unique combination of affordability, reliability, and a strong emphasis on responsible usage. Its proxy pool and automatic IP rotation offer marketers the ability to access geo-specific and public data without breaching privacy or legal boundaries.

I learned that with over 65M IPs in multiple locations, advertisers can conduct geo-targeted ad verification and detect fraud without worrying about IP bans. Its plug-and-play proxy setup makes it ideal for agencies that need a balance of performance, ease of use, and cost-effectiveness in their ad testing workflows. Its user-friendly dashboards make setup and management effortless, while strict usage policies help ensure responsible use.

How to Use Smartproxy for Effective Ad Testing and Performance Monitoring

Smartproxy’s terms of service prohibits accessing restricted sites (like banks or government sites) and generating disruptive traffic. It only permits its use for legal activities, such as research, personal, or commercial purposes such as ad verification and others. To use Smartproxy for ad verification and performance monitoring, first, sign up for a Smartproxy account and choose a residential proxy plan. Next, set up your preferred location settings and integrate the proxy endpoints into your ad verification tool.

This allows you to access websites and view ads from different geographic regions, and spot discrepancies in ad delivery and performance. By doing so, you can identify potential ad fraud, viewability issues, and ensure your ads are displayed properly to your target audience in various locations. Ad agencies can also integrate Smartproxy with automation tools and scraping software to collect insights on engagement, competitor strategies, and potential ad fraud.

Although Smartproxy’s network may be smaller than some competitors, its balance of affordability, ease of use, and performance makes it a great choice for agencies looking to enhance ad monitoring and prevent fraud.

4. NetNut

NetNut is a proxy provider with a suite of proxy solutions, including rotating residential proxies designed specifically for ad verification. Whether you’re conducting geo-targeting tests, preventing ad fraud, or ensuring ad compliance, NetNut’s proxies provide the tools needed for effective ad verification and performance monitoring.

Key Features:

• Advanced Targeting Options: Allows you to simulate browsing from multiple regions, and provides city, state, and country-level targeting for precise access.
• Rotating Residential Proxies: This feature helps you view ads from different devices and locations, simulating how real users interact with your ads while preventing ad manipulation.
• Real-Time Ad Monitoring: NetNut’s proxies facilitate the monitoring of ads in real time, giving you up-to-date insights into your campaigns’ performance, as well as helping you detect discrepancies and identify ad fraud.
• Compliance and Accuracy: NetNut’s rotating residential proxies make it easy to confirm that ads are not being shown to bots and that they meet performance standards.
• Ad Fraud Prevention: Protect your campaigns from potential ad fraud by verifying ad placements and ensuring that your ads reach real users in legitimate contexts.

What Makes NetNut Fit for Ad Testing and Performance Monitoring?

NetNut offers over 5M mobile IPs and 85M residential IPs across 195 countries, along with a powerful rotating proxy service that bypasses CAPTCHAs, reCAPTCHAs, and anti-bot systems. With 99.9% success rates, scalable solutions, global geo-targeting, and enterprise-level security, NetNut provides speed, stability, and efficiency, making it an excellent choice for ad agencies.

I discovered that businesses can use NetNut’s robust proxies and web data extraction tools to gather market insights and drive growth. Its Website Unblocker helps bypass advanced anti-bot protections to allow access to valuable web data for market research without violating site policies. NetNut also provides access to LinkedIn datasets, including 250M professional profiles and 50M company profiles. This enables agencies to optimize their business intelligence and outreach efforts.

How to Use NetNut for Effective Ad Testing and Performance Monitoring

Using NetNut for ad verification is simple, thanks to its rotating and static residential proxies tailored for digital advertising. Agencies can set up geo-targeted proxies to test ad visibility in specific cities, states, and countries. With IP rotation, advertisers can verify multiple ad placements while staying undetected, preventing fraudulent impressions and click fraud.

For continuous monitoring, agencies can use NetNut’s static residential proxies, which provide stable IPs for long-term verification of ad placements and campaign compliance. By integrating NetNut’s API and whitelist features, users can automate the process. Whether testing ad performance across multiple devices or safeguarding campaign data, NetNut’s proxies offer a scalable and efficient solution for agencies looking to optimize their digital advertising efforts.

Although NetNut network size may not rival some competitors, it remains a valuable tool for ad fraud prevention for advertisers seeking accurate, secure, and scalable ad verification solutions.

5. IPRoyal 

IPRoyal is a valuable choice for small and medium-sized agencies due to its affordable, high-quality residential, datacenter, and mobile proxies that offer strong security, reliability, and geo-targeting capabilities. It is known for its focus on transparency and user-centric solutions, and offers a range of proxy options tailored to meet diverse needs. Read our comprehensive IPRoyal review for more detailed analysis.

Key Features:

• Residential Proxies: IPRoyal offers residential proxies that provide real, location-based IP addresses, allowing for authentic ad verification and accurate geo-targeting.
• Geo-Targeting and Location Customization: Agencies can test ads in various geographic locations, targeting specific cities, states, and countries.
• Ethical Sourcing: Focuses on ethically-sourced residential proxies to ensure compliance and transparency.
• Cross-Device and Cross-Platform Testing: Allows testing of ads across various devices (desktop, mobile, tablet) and platforms (websites, apps, etc.).
• No Expiration Traffic: With no monthly minimums, unused traffic carries over, providing flexibility for businesses with fluctuating proxy requirements.

What Makes IPRoyal a Fit for Ad Testing and Performance Monitoring?

I observed that with a network of ethically sourced IPs, agencies can conduct market research, and ad verification without the risk of detection or bans. IPRoyal provides a robust and cost-effective solution for ad testing and performance monitoring while ensuring accurate geo-targeted ad placements. With 99.9% uptime and access to over 32M residential IPs across the globe, IPRoyal allows users to verify ads from nearly any region.

One of IPRoyal’s standout features is its customer-friendly pricing model, which eliminates monthly commitments. You pay only for the traffic you use. This makes it an affordable choice for businesses of all sizes looking to ensure ad compliance, verify placements, and detect fraudulent activities without exceeding their budget. The company ensures its proxies are sourced responsibly with explicit consent through its specially designed app which sources IPs from real residential and mobile accounts.

How to Use IPRoyal for Effective Ad Testing and Performance Monitoring

Advertising agencies can leverage IPRoyal’s proxy solutions to enhance ad verification, track campaign performance, and improve ad targeting. With a variety of residential proxies, IPRoyal offers the ability to simulate browsing from different locations, which helps ensure that ads are displayed correctly across various regions and platforms.

• Geo-Targeting and Ad Testing: Agencies can use IPRoyal’s proxies to test ads in different countries, cities, and regions to ensure that geo-targeting works as intended. This allows for the verification that ads are displayed to the right audience and appear as intended in diverse geographic markets.
• Ad Fraud Prevention: By using residential proxies, IPRoyal helps prevent ad fraud by mimicking real user behavior and preventing bots from interfering with ad campaigns. Agencies can monitor ad performance in real time, identifying any suspicious activity or invalid traffic that could compromise campaign integrity.
• Cross-Device and Cross-Platform Monitoring: IPRoyal’s proxies allow for the verification of ad placement across multiple devices and platforms. This is crucial for agencies that want to maintain control over how their ads are displayed and engage with customers across different devices.

It’s important to highlight that IPRoyal’s terms of service emphasize the ethical and legal use of its proxies and adtech tools. If a client breaches these terms—such as by participating in illegal activities or unethical behavior—IPRoyal reserves the right to suspend or terminate their account.

IPRoyal’s proxy pool may be smaller compared to some leading competitors and may not offer certain advanced features. However, its core features make it an effective tool for ad agencies looking to improve the accuracy, security, and performance of their digital advertising campaigns.