An arbitrageur opens the advertising cabinet, goes into the ad to check how it displays, clicks on the banner — and a couple of hours later sees an anomalous CTR, a spike in the cost per click, and an algorithm that suddenly changes the audience for display. The reason is often not in the moderators or competitors, but in their own actions. Let's analyze why this happens and how to check campaigns without risking the statistics.
Why your own checks spoil the statistics
The algorithms of Facebook Ads, TikTok Ads, and Google Ads learn from every event: click, view, time spent on the page, conversion. The system does not distinguish between a "real" user and an arbitrageur who enters to check if the banner is displayed correctly. For the algorithm, any click from your IP is a signal from a real audience, and it begins to restructure displays based on this signal.
There are three main mechanisms for spoiling statistics. The first is distortion of CTR and CPC. If you enter the ad multiple times from one device, the system may consider this a repeated display to one user and reduce the reach while simultaneously increasing the cost per click for new users. The second is the intersection of fingerprints. Facebook and TikTok collect data about the device, browser, screen resolution, time zone. If you check five accounts from one laptop without an anti-detect browser, the system sees a connection between the accounts and may apply a shadow ban or a complete block to the entire chain. The third is geolocation mismatches. You launch a campaign targeting an audience from Germany, but check it from a Russian IP — the algorithm records atypical activity and may consider it a sign of fraud.
The result is campaigns that look effective on paper but show low conversion because part of the budget and algorithmic attention has gone to processing your own test actions. Next are seven rules that solve this problem systematically, not just pointwise.
Rule 1: never access the advertising cabinet from a personal IP
The first and most common violation is checking ads from a home or work IP from which you manage the campaign. Facebook Ads and TikTok Ads log the IP address with each entry into the Ads Manager, and if clicks on the ad are recorded from the same address, the system links the advertiser and the "viewer" into one chain. This reduces the reliability of analytics and in some cases leads to the account being flagged as suspicious.
The solution is to use a separate IP for checking that is not linked to the main account and does not overlap with the IP from which you manage the cabinet. For this task, residential proxies are well-suited — they provide real IPs of home users from the desired region, and the algorithm perceives the check as a regular visit from an outsider, not an action of the advertiser.
Important: the proxy for checking must differ from the proxy you used during registration and farming of the advertising account itself. Matching IPs at these two stages is a separate risk factor, which we will discuss in rule 2.
Rule 2: a separate proxy for each account and each check
If you manage 10-20 advertising accounts and check them sequentially from the same proxy, you create a so-called chain-link — a chain through which the platform links all accounts together. A single ban under advertising rules can drag down the entire pool.
The correct scheme is to assign a unique IP to each account for its entire lifespan, including the stage of checking ads. For this, you need a pool of proxies with a sufficient number of unique addresses and the ability to bind IPs to specific profiles in an anti-detect browser. Arbitrageurs who test ads from different geos often take proxies with daily or monthly IP binding to exclude accidental address changes in the middle of a campaign.
Additionally, it is worth separating proxies by the type of task: one pool for registration and farming accounts, another for launching campaigns, and a third for checking ad displays. Such separation reduces the likelihood that one compromised chain will affect the entire account farm.
Rule 3: do not click on your own ads manually
It seems obvious, but this is the most common mistake of beginners: opening the Facebook or TikTok feed, finding their ad, and clicking "to check where the link leads." Each such click is counted in the campaign statistics as a real interaction, distorting the CTR and spending the budget without a chance for conversion.
Worse, repeated clicks from similar profiles or devices can be recognized by the fraud detection system as click fraud, leading to limited displays or a complete halt of the campaign during moderation. Facebook Ads is especially sensitive to patterns where the same user interacts with the ad more than once in a short period.
An alternative is to use built-in preview tools. In Facebook Ads Manager, there is a "Preview" function that shows the ad without registering an event of display or click in the statistics. In TikTok Ads Manager, a similar function is called Ad Preview and is available through a QR code on a mobile device without affecting campaign metrics. This is the only safe way to visually assess the ad.
Rule 4: separate devices and browsers through anti-detect
Even when using different IPs, platforms continue to collect device fingerprints: User-Agent, screen resolution, installed fonts, time zone, browser plugin list. If you check five accounts in one regular Chrome browser, even with different proxies, anti-fraud systems see matches across dozens of parameters and link the accounts.
The solution is anti-detect browsers: Dolphin Anty, AdsPower, Multilogin, GoLogin, Octo Browser. Each profile in them simulates a unique device with its own set of parameters, and the proxy is separately bound to each profile. The setup is simple: in Dolphin Anty, when creating a new profile, you select the "Proxy" tab, enter the data (IP, port, username, password), specify the type SOCKS5 or HTTP, and the system automatically adjusts the time zone and browser geolocation to match the proxy region.
For SMM agencies managing dozens of client accounts on Instagram and TikTok, this same principle applies to social networks: a separate anti-detect browser profile plus a bound proxy for each account eliminates the connection between client cabinets even when several employees are working in parallel.
Rule 5: check ads through preview, not through the live feed
In addition to the built-in preview tools mentioned in rule 3, there are scenarios when you need to see how the ad looks specifically in the feed, with live delivery and ranking. In this case, the preview function is not suitable because it shows a static layout without accounting for algorithmic delivery.
For such checks, a completely isolated profile is needed: a separate anti-detect profile, a separate proxy, preferably from the targeting region, and an account that has never been linked to your advertising cabinet. Essentially, you create a "test viewer" — a digital persona that, from the platform's perspective, is indistinguishable from an ordinary user from the target audience.
An important point is not to overdo it with the frequency of such checks. If the test account views the same ad every day, the platform will notice the pattern and may reduce trust in this profile, making it more difficult to use for other tasks in the future.
Rule 6: control the frequency and timing of checks
Even with all technical measures in place, there remains a behavioral factor. If you check the campaign every 10 minutes throughout the workday, this creates a load on the display optimization algorithm — especially in the first 24-48 hours after launch, when the campaign goes through the learning phase in Facebook Ads.
During the learning phase, the algorithm searches for the optimal audience for display based on the first events. Frequent entries into the cabinet for adjusting bids, audiences, or creatives during this phase reset the learning progress, and the campaign starts collecting data anew. Facebook Ads explicitly recommends not making changes more than once a day in the first days after launch.
Practical advice: set fixed windows for checking — for example, morning and evening — and use this time to review statistics in the cabinet, while visual checks of ads should be done separately, through an isolated profile, no more than once every few days for the same campaign.
Rule 7: use mobile proxies for checking mobile advertising
The majority of traffic in TikTok Ads and a significant share in Facebook Ads comes from mobile devices. If you check how the ad looks in the mobile feed through a regular desktop proxy with mobile browser emulation, the platform sometimes recognizes the mismatch between the declared device and the real parameters of the operator's network.
For the most accurate verification of mobile delivery, arbitrageurs use mobile proxies — they provide IPs belonging to cellular operators and are rarely subject to blocks or suspicion of fraud because millions of real users are behind the same operator's IP (NAT). This is especially important when testing creatives for TikTok Ads, where the algorithm is very sensitive to the type of device and network quality.
For less demanding tasks — for example, a quick technical check that the link in the ad opens and leads to the correct landing page — a more budget-friendly option is sufficient. Here, data center proxies will do: they are faster, cheaper, but more noticeable to anti-fraud systems, so they should not be used for long-term work with a single advertising account.
Table: which proxies are suitable for checking campaigns
| Proxy Type | For which check | Risk of blocking |
|---|---|---|
| Residential Proxies | Visual check of the ad in the feed, geo-targeting test | Low |
| Mobile Proxies | Checking mobile delivery of TikTok Ads and Instagram | Minimal |
| Data Center Proxies | Quick technical check of links and landing pages | Medium |
Checklist before checking the campaign
Before opening the cabinet or ad for checking, go through this short list:
- Use a proxy different from the one used for the account and campaign.
- Open the check in a separate anti-detect browser profile (Dolphin Anty, AdsPower, GoLogin, Multilogin).
- For visual preview, use the built-in Preview functions in Facebook Ads Manager or Ad Preview in TikTok Ads Manager.
- For checking mobile delivery, connect a mobile proxy with geolocation matching the campaign targeting.
- Do not make changes to the campaign more than once a day in the first 48 hours after launch.
- Do not manually click on your ads in the live feed — only through an isolated test profile.
- Keep track of which proxy and profile are assigned to which account to avoid overlap.
Conclusion
The statistics of advertising campaigns are often spoiled not by competitors or algorithmic failures, but by one's own checks without proper isolation — accessing from a personal IP, clicking on one's own ads, and lack of device separation between accounts. The seven rules above address the main risk points: separate proxies for each account and task, anti-detect browsers to separate fingerprints, built-in preview tools instead of manual clicks, and control of check frequency during the campaign's learning phase.
If you regularly test ads from different geos or manage multiple advertising accounts in Facebook Ads and TikTok Ads simultaneously, we recommend considering residential proxies for visual checks and mobile proxies for testing mobile delivery — this approach preserves the integrity of statistics and reduces the risk of blocks at all stages of working with the campaign.