Updated October 2026. WhatsApp alerts and web push are the two quickest ways for Kenyan sites to bring readers back.
Who this guide is for: Publishers, job boards, shops and education platforms that want repeat visitors without paying for every visit.
Most visitors read one page and never return. Retention channels such as WhatsApp Channels for business, web push notifications and newsletters give you a way to reach them again without paying for ads each time.
Contents
The three main channels
| Channel | Best for | Watch out for |
|---|---|---|
| Web push | Breaking news, new jobs, price changes | Too many alerts and people block you |
| WhatsApp Channels | Daily updates to a large following | One-way only; followers cannot reply |
| Newsletter | Weekly digests and offers | Deliverability needs SPF, DKIM and DMARC |
Web push
Browsers let a site send notifications to people who opt in. Services such as OneSignal handle the sign-up prompt and sending. Ask for permission after a visitor has read something, not on arrival, and send only what is genuinely useful.
WhatsApp Channels let anyone follow your updates without sharing phone numbers. For one-to-one alerts, such as order updates or job matches, use the WhatsApp Business Platform, which needs approved message templates and charges per conversation.
Rules that keep people subscribed
- Set a daily cap and stick to it.
- Let people choose topics.
- Send at times your audience is awake and online.
- Make unsubscribing easy.
- Measure clicks and unsubscribes per message, not just total subscribers.
Consent and data
Under Kenya’s Data Protection Act, collect phone numbers and emails only with clear consent, say what you will send, and honour opt-outs promptly.
Key terms in WhatsApp alerts
- Opt-in
- A visitor's explicit agreement to receive messages.
- Web push
- Browser notifications sent by a site to subscribers.
- WhatsApp Channel
- A one-way broadcast feed people can follow on WhatsApp.
- Message template
- A pre-approved WhatsApp Business Platform message format.
- Segment
- A group of subscribers with shared interests or behaviour.
- Churn
- Subscribers who unsubscribe or stop engaging.
Questions to ask before you hire help with WhatsApp alerts
- Which channels suit our audience?
- How many messages per day or week?
- How do subscribers choose topics?
- How are opt-outs handled?
- Which numbers will we track?
WhatsApp alerts: mistakes to avoid
- Asking for push permission the moment someone lands.
- Sending every new post as an alert.
- Sending at night.
- Using a personal WhatsApp number for bulk messages.
- Tracking subscribers but not clicks.
How to measure success
Track opt-in rate, click-through per alert, unsubscribe rate and returning visitors from each channel in analytics.
What is different in Kenya
WhatsApp is the most used messaging app in Kenya, which makes Channels and WhatsApp alerts natural for local audiences. Data costs still matter to many users, so keep messages light, link to fast pages and avoid sending large images unless they add value.
WhatsApp alerts: costs to plan for
Web push services and WhatsApp Channels have free options. The WhatsApp Business Platform charges per conversation. Newsletter tools charge by list size above free tiers.
A worked example
Imagine a jobs site whose visitors read one listing and leave. It adds a WhatsApp Channel for daily job highlights and a web push prompt that appears after a visitor has viewed two listings, offering alerts by job category. Subscribers choose categories such as teaching, health or finance. Alerts are capped at three a day and sent in the morning and early evening. A weekly email digest goes to those who prefer email. After a month, the team reviews clicks and unsubscribes per category, drops the least useful alert type and adds a deadline-reminder alert that readers asked for.
WhatsApp alerts: a 30-day starter plan
- Week 1: pick channels and write rules on frequency and topics.
- Week 2: set up the push service, WhatsApp Channel and sign-up forms.
- Week 3: start sending and track clicks and unsubscribes.
- Week 4: adjust timing and topics based on results.
Summary
This guide to WhatsApp alerts covered: The three main channels; Web push; WhatsApp; Rules that keep people subscribed; Consent and data. Work through them in order, measure as you go, and keep every fact tied to an official or first-hand source.
Sources
- WhatsApp Business (accessed October 2026)
- Office of the Data Protection Commissioner (accessed October 2026)
Need this done for you? See our WhatsApp and conversion services.
WhatsApp alerts: frequently asked questions
Is web push free?
Browser push itself is free; services like OneSignal have free tiers and paid plans for larger lists.
Can I send WhatsApp messages to my customers in bulk?
Use WhatsApp Channels for broadcasts or the WhatsApp Business Platform with approved templates. Bulk messaging from a normal account risks a ban.
How many push notifications are too many?
There is no fixed number; watch your unsubscribe rate and cut back if it rises.
Do web push notifications work on iPhones?
Recent iOS versions support web push for sites added to the home screen; Android browsers support it widely.
Can I move WhatsApp group members to a Channel?
You can invite them, but each person must choose to follow.
Which channel should I start with?
Start where your audience already is; for many Kenyan audiences that is WhatsApp, then add push and email.
Can I personalise push alerts?
Yes, by tags or segments based on topics chosen or pages read.
How do I grow a WhatsApp Channel?
Promote it on your site, in emails and on social media, with a clear promise of what followers get.
Are WhatsApp Business Platform messages free?
Meta charges per conversation, with rates that vary by category and country.
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