Automation Case Study

Lead Generation &
Tracking System

A fully automated pipeline that captures website leads, organises them in real time, and sends personalised welcome emails — without a single manual step.

n8n Automation
Google Sheets
HTTPS Connectors
Email Automation
Lead Capture
CategoryLead Automation
Platformn8n + Google Sheets
DeliveryNo-Code · Remote
Built byLakshmi Iyer
Illustration of automated lead capture flowing from web form to Google Sheets to email
The Problem

Businesses were losing leads to slow, manual processes

Most small and mid-size businesses rely on website contact forms — but what happens after someone fills one out? The answer was always the same: a spreadsheet, a delay, and a missed opportunity.

Hours of Manual Entry

Every lead from a web form had to be copied by hand into spreadsheets. Staff spent 2–4 hours daily just transcribing contact data — time that could have been used for actual sales conversations.

📉

Leads Falling Through the Cracks

Without a centralised system, hot leads were buried in email inboxes or forgotten entirely. Research shows responding within 5 minutes is 9× more effective — that window was regularly missed.

🤷

No Visibility on Lead Quality

There was no easy way to see how many leads came in, which pages drove conversions, or which sources performed best. Business decisions were made on gut feel rather than data.

📧

Delayed or Missing Follow-Ups

Welcome emails were sent manually — if at all. A lead who did not hear back within 24 hours was effectively lost to a faster-responding competitor.


Automation Flow

From website visitor to engaged lead — in seconds

The entire pipeline triggers automatically the moment a visitor submits a form. No human intervention needed at any stage.

🌐
Client Website
Visitor fills contact or lead form
Trigger
🔗
HTTPS Webhook
n8n captures form data instantly
Capture
⚙️
n8n Engine
Parses, validates, and routes lead data
Processing
📊
Google Sheets
New row added with name, email, source & timestamp
Lead Logged
✉️
Welcome Email
Personalised email with services sent instantly
Lead Engaged
Inside the Automation

The n8n workflow, node by node

Each node has one clear job. Together they form a reliable, error-tolerant pipeline that runs silently in the background — 24 hours a day, 7 days a week.

🔔
Webhook Trigger
Listens for form POST from website
🔍
Set & Validate
Extracts name, email, phone, source URL
🔀
IF Filter
Checks for duplicates or incomplete data
📋
Sheets Append
New row added to Google Sheets CRM
Welcome + services email to lead
🔔
Notify Owner
Business owner alerted via email
Webhook Trigger

Connects to the client's website via a secure HTTPS endpoint. Fires instantly when any contact or lead form is submitted, passing all field values to n8n in real time.

Google Sheets Node

Appends a structured row with lead name, email, phone, source page, and timestamp. Acts as a live CRM the business can filter, sort, and share at any time — on any device.

Email Node

Sends a personalised welcome email using the lead's first name. The email confirms their inquiry, introduces the business's services, and invites the next action — within seconds of submission.

The Solution

A fully connected, hands-free lead engine

Built in four deliberate phases, each solving a distinct part of the problem. The result is a pipeline that is resilient, scalable, and requires zero daily management.

01

Website Integration via HTTPS

A secure webhook was configured in n8n and connected to the client's existing website forms using an HTTPS POST connector. No changes needed to the site's code — the integration is invisible to visitors but fully active in the background.

02

Automated Data Capture & Parsing

The n8n workflow reads every submitted form field — name, email, phone, inquiry type, and source page. A Set node cleans and structures the data, removing duplicates and validating email format before it reaches the spreadsheet.

03

Google Sheets as a Live CRM

Each verified lead is added as a new row with a timestamp. The business owner gets a real-time, sortable CRM at zero setup cost — accessible from any device, shareable with the sales team, and filterable by date, source, or status.

04

Instant Personalised Welcome Email

Within seconds, the lead receives an email that uses their first name, confirms their inquiry, and introduces the business's services with a clear call to action. Fully templated and editable by the business owner at any time.

Business Impact

The numbers that make this a clear investment

Automation does not just save time — it directly protects and grows revenue. Here is how this system translates to measurable value for a typical SME handling 30–80 leads per month.

40hrs
Monthly hours saved on manual data entry and follow-up — redirected to actual sales conversations.
3–6L
Estimated annual revenue recovered from leads that would otherwise be missed or responded to too late.
9×
Higher conversion when a lead is contacted within 5 minutes — exactly what instant automation enables.
<5sec
Time from form submission to welcome email in the lead's inbox. Always first to respond, every time.
100%
Lead capture rate — every form submission recorded with zero slip-throughs or human error.
1×
One-time setup cost. The system then runs indefinitely — no recurring staffing cost, fully owned by the business.
Investment vs. Return

A typical setup costs a fraction of one month's manual effort. At ₹8,000–15,000 for implementation, the system pays for itself in the very first recovered lead — and continues generating returns every single month thereafter.

20×
Average ROI in year one
Technology Stack

Built with proven, accessible tools

Every tool in this stack is free or low-cost, widely available, and requires no developer to maintain once built. The business owns everything.

⚙️ n8n (Self-hosted or Cloud)
📊 Google Sheets
🔗 HTTPS Webhook Connector
✉️ SMTP / Gmail Node
🌐 Client Website (any platform)
🔀 n8n IF / Filter Nodes
Why n8n?

n8n is an open-source workflow automation platform that connects any two services without writing code. Unlike Zapier, it can be self-hosted (zero per-task fees at scale), supports complex branching logic, and gives the business full transparency into what is happening with their data.

Proof of Work

See it in action

A short walkthrough showing the workflow from form submission to Google Sheets entry to welcome email — in real time.

▶️

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