preline.co traffic, backlinks, authority, and more

Preline.co is a web development resource offering a library of open-source UI components and JavaScript utilities for Tailwind CSS, serving frontend developers, designers, and teams building web interfaces. The site has modest recognition within the developer and design communities and is used by frontend engineers seeking ready-made components and documentation, with estimated daily visits in the dozens.

Domain Authority
Authority score: 29/100
29/100

Score assigned based on the strength of the domain online

Monthly Traffic-27.5%
1.3K

Estimated monthly organic traffic from search engines

Backlinks
18.8K

Total number of links from other websites pointing to this domain

Traffic Analysis

-27.5% vs last month

The site's traffic has declined by 22% year-over-year with over 1,299 monthly visits driven primarily by interest in front-end UI components, Tailwind/CSS utilities and small UI snippets and patterns used by developers and designers. The audience is concentrated in North America (49.8%), followed by Asia-Pacific (28.7%) and Europe (16.0%), reflecting a strong US developer base, growing adoption in South and Southeast Asia, and a modest but important European presence for the domain's front-end tooling and design-focused offerings.

Domain Preview & WHOIS Information

Domain Preview
Preline
Free Tailwind CSS UI Components Library | Preline UI

Free Tailwind CSS UI Components Library | Preline UI

Build faster with Preline UI, a free and open-source Tailwind CSS UI component library with Pro blocks, templates, plugins, framework guides, and Figma.

WHOIS
Namepreline.co
Registrarnamecheap inc
Registered OnJun 4, 2021
Expires OnJun 4, 2027
Updated OnMay 28, 2025
Name Serversns3.digitalocean.com
DNSSECunsigned

The domain preline.co was registered on June 4, 2021, through namecheap inc and uses DigitalOcean for DNS and security. At 4 years old, the domain is in a mid-age stage indicating a developing presence with growing authority and improving trust signals that can yield SEO benefits as content and backlinks accumulate.

Domain Authority & SEO Metrics

Authority Metrics
29
Domain Authority
57
Page Authority
29
Trust Score

preline exhibits solid page-level authority that can drive individual rankings, but its overall profile and trust are in need of improvement, indicating a moderate overall authority with limited domain-wide competitiveness and a vulnerability in trust-sensitive verticals unless it prioritizes a high-quality backlink profile and improved trust signals to move toward a more competitive positioning.

Keyword Rankings

Top Ranking Keywords

preline ui
320/moSearch Volume
#1Position
splitter css
140/moSearch Volume
#1Position
preline tailwind
40/moSearch Volume
#1Position
pin code input
210/moSearch Volume
#2Position
upload file progress
70/moSearch Volume
#1Position

The domain preline.co demonstrates a concentrated keyword portfolio focused on UI components and developer utilities—ranking at or near the top for terms like preline ui (320), splitter css (140), preline tailwind (40), pin code input (210) and upload file progress (70) with uniformly low competition, signaling a niche, developer-oriented SEO positioning. The top keyword 'preline ui' attracts daily searches in the dozens with a $0 CPC, indicating solid brand recognition. The other four keywords—splitter css (competition 0%), preline tailwind (competition 2%), pin code input (competition 0%), and upload file progress (competition 0%)—all show very low competition (0–2%), revealing a market with limited commercial bidding but strong organic opportunity within a technical audience and low competitive pressure. The domain's strengths lie in its clear niche relevance and rankings for targeted developer queries, reflecting strong organic visibility, healthy keyword portfolio, competitive SEO performance.

Technology Stack

Frontend
jQuery
ApexCharts.js
PrismJS
Preline UI
Infrastructure
Cloudflare
Amazon S3
nginx
Digital Ocean
Analytics & Tools
Google Analytics
Google Analytics 4
Google Tag Manager
Global Site Tag
Security
LetsEncrypt
SSL by Default
SPF

preline.co is built on a modern frontend stack that leverages jQuery for DOM manipulation, ApexCharts.js for interactive visualizations, PrismJS for lightweight syntax highlighting, and Preline UI (built on Tailwind CSS) for prebuilt, utility-first components, together improving developer productivity and enabling fast rendering and a polished UI with minimal custom CSS. These frontend choices favor pragmatic performance and a smooth developer experience by combining small, focused libraries for interactivity, charts, and styling rather than a heavy framework.

On the infrastructure side, the site uses Cloudflare at the edge for caching and acceleration, Amazon S3 for durable asset storage, nginx as the HTTP server layer, and Digital Ocean for VPS hosting, creating a stack that supports global distribution, cost-effective scalability, and reliable content delivery. For security and DNS, the site employs LetsEncrypt certificates, redirects to SSL by Default, and uses SPF records to protect email sending, together providing encrypted traffic, DNS integrity, and DDoS protection that help ensure fast, secure load times across regions. Analytics and tooling are implemented with Google Analytics, Google Analytics 4, Google Tag Manager, and the Global Site Tag to provide robust monitoring, conversion tracking, and tag management, while the use of Preline UI/ Tailwind CSS supplies modern CSS patterns for consistent styling and an efficient development workflow.

Competitive Landscape

preline.co competes in the Tailwind CSS component libraries and UI kits space against established players like Flowbite and Tailwind UI, and newer alternatives such as flyonui.com, material-tailwind.com, and tailwindflex.com. Compared with more established entrants it shows a modest but credible presence — traffic (1,299 organic visits) is well below market leader Flowbite (6,045) yet backlinks are comparable across the set, and preline.co has carved growth by focusing on a narrower developer niche and clearer onboarding that emphasize lightweight, accessible Tailwind components as its differentiator.

preline.co's Domain Authority score of 29 sits level with direct competitors in this Tailwind UI library niche (all listed peers report DA 29), indicating parity in domain trust even if organic reach varies. By targeting frontend developers and teams seeking production-ready, accessible components, offering concise documentation, examples, and lightweight builds, preline.co has gained organic visibility and niche adoption that drives steady referrals and the kind of word-of-mouth growth reflected in its backlink count relative to traffic.

FAQ on preline.co

Everything you need to know about preline.co.

What is preline.co's primary business model?

Preline.co primarily operates as an open-source Tailwind CSS component library and design resource, offering prebuilt UI components and JavaScript utilities for web developers. Its model is centered on providing free, easily adoptable assets to drive adoption and community contributions, with potential monetization through ancillary services, sponsorships, or premium offerings rather than a large commercial product suite.

Is preline.co considered a market leader, a challenger, or a niche player?

Preline.co is best categorized as a niche player. It serves a focused audience seeking Tailwind-compatible UI components and utility scripts, and while respected in that niche, it is smaller in scale and reach compared with broader market leaders and challengers like Flowbite.

What makes preline.co unique compared to its competitors?

Preline.co distinguishes itself by offering a compact set of Tailwind-native UI components and lightweight JavaScript interactions designed to be easy to integrate and customize without heavy dependencies. The project emphasizes simplicity, Tailwind-first styling, and approachable documentation, appealing to developers who want ready-made components that fit cleanly into Tailwind workflows.

What are the most recent major updates or strategic shifts seen on preline.co?

While specific release details fluctuate, Preline has generally focused recent efforts on expanding its component catalog, improving compatibility with newer Tailwind releases, and refining documentation and examples to lower integration friction. The project follows broader market trends toward modular, lightweight UI kits and incremental open-source releases rather than large commercial pivots.