LinkHub
A link-in-bio platform allowing creators and developers to consolidate social presence, portfolio links, and content into a single high-performance page.
Why this project was initiated
Built with Next.js 14, MongoDB, Mongoose, and NextAuth. Provides dynamic slug routing, custom link ordering, responsive mobile layout, and analytics tracking for link visits.
Engineering Deliverables
Deep Dive: High-Performance Link-in-Bio Web Application
LinkHub is a link-in-bio platform engineered with Next.js 14, MongoDB, and NextAuth. It allows creators, engineers, and digital artists to consolidate their online footprint—GitHub repositories, YouTube videos, social profiles, and articles—into a single, highly performant, custom-branded bio page.
Architectural Principles
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| Public Profile Dynamic Server Pages |
| • Incremental Static Regeneration (ISR) / Fast Edge SSR |
| • Lightweight responsive mobile-first UI with Tailwind CSS |
| • Zero client-side JavaScript bloat for visitor pageviews |
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| Creator Admin Dashboard & API Routes |
| • NextAuth Session Guard with MongoDB Adapter |
| • Drag-and-drop link sorting with immediate persistence |
| • Click telemetry and aggregate traffic analytics |
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| MongoDB & Mongoose Store |
| • Normalized User and Link Document Schemas |
| • Indexed slug lookups for sub-10ms public page resolutions |
| • Atomic counter increments for link click tracking |
+-------------------------------------------------------------------------+1. Dynamic Server Rendering & SEO Optimization
Public profile pages (/[username]) are designed for maximum Core Web Vitals speed and search indexing:
- Generates server-rendered HTML directly from MongoDB documents.
- Includes dynamic OpenGraph metadata (og:title, og:image, og:description) tailored to the creator's profile.
- Real-time click counters use atomic $inc operations to track link popularity without table-locking overhead:
import type { NextApiRequest, NextApiResponse } from "next";
import { LinkModel } from "@/models/Link";
import { connectMongo } from "@/lib/mongodb";
export default async function handler(req: NextApiRequest, res: NextApiResponse) {
if (req.method !== "POST") return res.status(405).end();
await connectMongo();
const { id } = req.query;
// Atomic increment: zero race condition under high concurrent traffic
await LinkModel.findByIdAndUpdate(id, {
$inc: { clicks: 1 },
$set: { lastClickedAt: new Date() },
});
return res.status(200).json({ success: true });
}2. Modern Dashboard Experience
The creator dashboard allows real-time previewing as links and themes are modified: - Integrated NextAuth session cookies for frictionless cross-tab authorization. - Instant drag-and-drop ordering of social badges and customized links. - Responsive mobile preview pane displaying live layout updates before publishing.
Engineering Outcome & Takeaways
Shipping this project reinforced the value of clean architectural boundaries, automated verification loops, and clear error telemetry. In subsequent iterations, I focus on system observability, end-to-end integration test suites, and strict performance profiling under load.