Blog
Playbooks for teams that ship.
Practical guides on push, email, and retention — no fluff, written from real campaigns.
Free Push Notification Services Compared 2026
Eight free web push services compared — what each free tier actually includes, where the upgrade walls are, and which you should pick for your stage.
DotSpheres Growth Team · 4 September 2026
Read articleReact Push Notification Tutorial with ReachBell
Add web push notifications to any React app — hooks, context provider, a permission UI component, and sending triggered pushes from your backend.
DotSpheres Engineering · 28 August 2026
Email Deliverability Guide: SPF, DKIM, DMARC Explained
Why SPF, DKIM, and DMARC exist, what each record actually does, and how to configure them without breaking your existing mail flow — in plain English.
DotSpheres Engineering · 21 August 2026
How to Migrate from OneSignal to ReachBell
Step-by-step OneSignal-to-ReachBell migration: export, parallel-run, audience recovery, and cutover — without losing your active subscribers.
DotSpheres Engineering · 14 August 2026
Push Notification Statistics 2026: What You Need to Know
Industry benchmarks for opt-in rate, CTR, delivery rate, and platform share — what is normal in 2026, with caveats on how to read the numbers honestly.
DotSpheres Growth Team · 7 August 2026
WhatsApp Business API Guide for Indian Startups
How the WhatsApp Business API actually works in India — BSPs, template approval, pricing per conversation, and the patterns that turn it into a real channel.
ReachBell Team · 31 July 2026
PushEngage vs ReachBell: Features, Pricing, Migration
Honest comparison of PushEngage and ReachBell — feature parity, pricing transparency, India fit, and what migration actually looks like for an existing list.
DotSpheres Growth Team · 24 July 2026
How to Set Up Push Notifications in Next.js
A practical walkthrough for adding web push to a Next.js 14+ App Router project — service worker placement, env vars, opt-in UX, and sending from server actions.
DotSpheres Engineering · 17 July 2026
Web Push vs Email: Which Gets Better Engagement?
CTR, opt-in rate, deliverability, cost per conversion — an honest side-by-side of web push and email, and the playbook for using both together.
DotSpheres Growth Team · 10 July 2026
Push Notification Best Practices for Indian Websites
Send-time tuning for Indian audiences, language and tone choices, frequency caps, and what to skip — practical rules from campaigns across Tier-1 to Tier-3 traffic.
ReachBell Team · 3 July 2026
OneSignal vs ReachBell: Complete Comparison 2026
Pricing, features, deliverability, support, and migration risk — an honest 2026 comparison between OneSignal and ReachBell for teams shipping web push.
DotSpheres Growth Team · 26 June 2026
How to Add Push Notifications to Your Website in 5 Minutes
A start-to-finish walkthrough: create a project, drop in the ReachBell snippet, host the service worker, and send your first push — all under five minutes.
DotSpheres Engineering · 19 June 2026
12 Push Notification Best Practices for Higher CTR
Copy, timing, segmentation, and frequency rules that separate pushes people click from pushes that get your channel muted — with examples you can steal.
Mukesh Kumar · 5 June 2026
7 Cart Abandonment Flows That Actually Recover Revenue
Seventy percent of carts are abandoned. These seven automated push + email flows — with timing, copy, and discount strategy — win a meaningful slice back.
Mukesh Kumar · 28 May 2026
Web Push Notifications: The Complete Guide for 2026
How web push works, browser support in 2026, opt-in best practices, and how to send your first campaign — a practical guide for marketers and developers.
Mukesh Kumar · 20 May 2026