In the Southeast Asian market,Zalo is a local instant messaging application that is highly used by Vietnamese users. Many brands and cross-border merchants have taken a fancy to the potential of this platform and hope to achieve precise reach through Zalo's mass messaging function. But do you know?If there is no empty account cleaning and account status identification before mass sending, it is likely to waste most of the budget., and may even trigger platform risk control.

So in this article let’s talk about:existWhat kind of preparations should be made before Zalo mass distribution in order to truly improve the hit rate and conversion effect?

WhyDo I need to check for empty accounts before Zalo sends a group message?

Don't underestimate itThe two words "empty number". In Zalo group messaging, "empty accounts" not only refer to thoseNot registeredZalo's number, also includes:

lThe number was canceled but not updated

lZalo account has been blocked or has not logged in for a long time

lRegistered but never active"Zombie Number"

Not only will these accounts not receive any response during your group sending process, but they may also frequently send invalid information, causing your account to be recognized by the system."Spam source".

What's more:The more empty numbers you have, the higher your delivery cost will be.The lower the ROI.

How to judgeIs the Zalo account empty?

If you manually upload a bunch of Vietnamese mobile phone numbers for mass messaging, then I'm sorry, but you can't tell which numbers are empty with the naked eye.

At this time, you need to use a professional platform to help you complete the following tests:

lHave you registered?Zalo: Determine whether the mobile phone number is actually approved.Zalo account.

lIs it currently active?: Detect whether the account has active activities such as recent login, message interaction, avatar update, etc.

lAccount status: Some accounts may have been registered, but are in banned, frozen, or canceled status.

lInteraction frequency tag: Some platforms can also tell you whether your account is"Habitually ignore" unfamiliar messages.

In the Digital Planet platform, we provideZalo detection tool supports batch import of tens of thousands of numbers at one time.Complete the elimination of empty and invalid accounts within a few minutes, and can export the result table to facilitate subsequent screening and group sending.

What account characteristics should be checked before mass sending?

In addition to whether the account is empty and active, it is also recommended to screen the target account in the following dimensions before sending a group message:

age and gender

Especially in e-commerce, life services and other industries, the response preferences of users of different age groups vary greatly. For example:

lUsers aged 18-24 are more likely to accept promotional information

lUsers over 30 years old pay more attention to brand services and practical value

Digital Planet’s tag detection function can help you quickly identify the gender and age of each account.Make crowd targeting more detailed.

Language and region tags

If you are facing customers from all over Vietnam, please also pay attention to:

lNorthern users mostly use standard Vietnamese and prefer formal communication.

lSouthern users are more colloquial and respond well to relaxed conversation.

Through regional tags, you can appropriately adjust the tone in group messaging and increase the response rate.

After empty number detection is completed, how to group?

FinishAfter Zalo empty account detection, the most critical step isReasonable grouping and segmented delivery, to prevent excessive mass messaging from causing the account to be restricted.

It is recommended to do this:

lGroup1: active users+ Age-appropriate + Recent interactions → Mainly recommended products

lGroup2：Activated but low active users → Gentle and guiding words

lGroup3:closeInactive account for 30 days → Delayed contact or cold start account maintenance strategy

The Digital Planet platform supports automatically labeling and generating groups based on conditions after exporting test results.Significantly improve the hit rate and user experience of group sending.

How to do it with Digital PlanetZalo empty account cleaning?

Completed on Digital Planet PlatformZalo empty account detection and screening is actually very simple. The process is as follows:

1.Upload mobile phone number list (supportedTXT/CSV and other formats)

2.The system automatically detects activation status, activity, account integrity, etc.

3.Results will be available in a few minutes, and support labeling by status and export by category.

4.Can be directly connected toIn the Zalo group messaging system or other private domain tools

Moreover, the platform also provides a variety of filtering dimension combinations, such as"Zalo registered + active in the past 7 days + female + 20-29 years old"This type of combined tag filtering can reallyTarget the target user group instead of blindly launching

What are the consequences of not doing empty number testing?

Don’t take chances. If you skip the step of clearing empty accounts, the following problems may occur:

lMass-sending a large number of unregistered users → No response from delivery

lThe account's sending failure rate is too high within a short period of time → Determined as spam marketing by Zalo system

lThe proportion of inactive users is too high → The data cannot evaluate the delivery effect

In the most serious case, your main account may be directly blocked by the platform, and previous operational efforts will be in vain.

As the most influential communication tool in Vietnam, Zalo does have strong marketing potential. But mass marketing does not rely on “stacking numbers”;Screen people, talk to each other, and post good content. And the first step in this isFilter out empty accounts and find real users.

If you are preparing to openFor Zalo private domain or Southeast Asia business expansion, welcome to experience the Zalo detection system of Digital Planet for free. The trial port is opened immediately after registration. No complex configuration is required, and the activation status and active tags can be detected in batches.Find the right person for every group message.

Click to enter the digital planet now and start high-hit, high-conversionZalo's accurate mass sending journey.

digital planetis a world-leading number screening platform that combinesGlobal mobile phone number segment selection, number generation, deduplication, comparison and other functions. It supports customers worldwideBatch numbers for 236 countriesScreening and testing services, currently supports40+ social and apps like:

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The platform has several features includingOpen filtering, active filtering, interactive filtering, gender filtering, avatar filtering, age filtering, online filtering, precise filtering, duration filtering, power-on filtering, empty number filtering, mobile phone device filteringwait.

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