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AI-powered uptime & performance monitoring

Website downtime is inevitable. Losing customers is not.

Get instant alerts the moment your website goes down, with AI powered analytics to fix problems before they impact your business.

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No credit card required. Free forever.Setup in under 5 minutes
nanokoi.io / dashboardLive
Uptime · last 48 checks99.98%
Response time182 ms
shop.example.com182 ms
api.example.com94 ms
blog.example.com411 ms
Next check60s

1-minute check intervals

Catch outages the moment they start

SSL valid84 days
A76.76.21.21

SSL & DNS Monitoring

Expiring certs and record changes

FCP
LCP
CLS
TBT

Lighthouse Performance Alerts

Core Web Vitals, tracked over time

GET /api/v1/urls
200 OK· 42ms

REST API access

Manage monitors from your own code

Emailnow
Slacknow
Webhooknow

Email, Slack & Webhook alerts

Get notified where your team works

Insight

Uncompressed images on /blog add 1.2s to LCP.

AI-Powered Performance Insights

Know why things got slower

All systems operational

Public SLA status pages

Share uptime with your customers

CSV
JSON
XML

Data export (CSV, JSON, XML)

Your data, ready for any tool

nanokoi.io is built for modern web apps

Alerts

Fix problems before they happen

Nanokoi alerts you to downtime in under a minute with sub-second response times, so you can fix issues before your customers even notice.

Sub-second response timesReal-time notifications1-minute check intervals

Incident timeline

  1. Downtime detected14:02:07

    shop.example.com · 503

  2. Alert sent14:02:09

    Email · Slack · Webhook

  3. Back online14:05:41

    Resolved in 3m 34s

Setup

Simple setup, immediate peace of mind

Get your website monitored in under 5 minutes. No technical expertise required—our intuitive dashboard makes it simple for anyone to start protecting their business.

Setup in under 5 minutesNo technical knowledge requiredIntuitive dashboard design
https://yoursite.com
Start monitoring
Add URLPick alertsDone
Insights

Gain insights, not just alerts

Our AI-powered insights go beyond simple alerts. Get actionable recommendations and reports to understand why your site's performance is changing.

Response time trackingComprehensive reportingPublic SLA status pages
Avg. response−58%

Enabling compression cut response time from 740ms to 310ms.

Integrations

Monitoring that works with you

Integrate our monitoring into your existing workflow. Our REST API lets you manage URLs and receive real-time updates directly in your own applications.

REST API accessReal-time monitoringDeveloper-friendly documentation

Your app

REST

nanokoi

/api/v1

Slack

webhook

Your API

webhook

POST /api/v1/api/urls/{id}/check
→ { "status": "up", "response_ms": 184 }
Why you need this

Every minute of downtime costs money.

Protect your business from downtime.

Is your site up right now?
00:00since you opened this page

If it went down in that time, would you know? Without monitoring, you hear it from a customer first.

  1. 01

    Prevent revenue loss

    Get instant alerts to minimize revenue impact and customer frustration.

  2. 02

    Maintain customer trust

    Proactive monitoring shows customers you care about their experience. Build trust through reliability.

  3. 03

    Performance insights

    Track response times and identify performance bottlenecks before they become problems.

Register for Free

Website performance monitoring. Monitor your website's performance using Google Lighthouse metrics to ensure optimal user experience.

96

Performance score

Track Core Web Vitals and performance metrics to optimize your website speed

100

Accessibility

Ensure your website is accessible to all users with comprehensive accessibility testing

92

Best practices

Follow web development best practices for optimal performance and user experience

98

SEO optimization

Improve your search engine rankings with SEO-focused performance monitoring

Core Web Vitals

Monitor the key metrics that Google uses to measure user experience

FCPFirst Contentful Paint
0.9s

Measure how quickly your content appears

LCPLargest Contentful Paint
1.6s

Track when your main content loads

CLSCumulative Layout Shift
0.02

Monitor visual stability during loading

Beautiful dashboards. Experience our intuitive and powerful dashboards designed to give you complete visibility into your website's performance.

Main Dashboard – Real-time monitoring and status overviewPerformance – Detailed analytics and insights

Real-time monitoring and status overview

Powerful API for developers. Integrate website monitoring into your applications with our comprehensive REST API.

API token authentication

Secure authentication using API tokens with granular permissions

Generate tokens with specific permissionsRate limiting (100 requests/hour)Token expiration management

Real-time monitoring

Trigger immediate checks and get real-time status updates

Manual check triggersReal-time status updatesWebhook notifications

Full control

Complete programmatic control over your monitoring setup

Create, update, delete monitorsManage notification settingsFull control over your monitoring URLs via REST API
Terminal
# List your monitored URLs
curl -H "Authorization: Bearer YOUR_API_TOKEN" \
  https://api.nanokoi.io/api/v1/api/urls/

# Trigger an immediate check
curl -X POST -H "Authorization: Bearer YOUR_API_TOKEN" \
  https://api.nanokoi.io/api/v1/api/urls/{id}/check
Read the API docs

DNS monitoring made simple. Monitor DNS resolution, track changes, and get alerts when your DNS records change.

AAAAACNAMEMXNSTXTSRV

Monitor DNS records

Track A, AAAA, CNAME, MX, NS, TXT, and SRV records with real-time monitoring

  • All DNS record types supported
  • Expected value validation
  • Custom check intervals

Instant alerts

Get notified immediately when DNS resolution fails or records change unexpectedly

  • Email notifications
  • Slack webhook integration
  • Recovery notifications

Why DNS monitoring matters

DNS issues can break your entire website in seconds

  • Prevents website downtime
  • Catches DNS hijacking attacks
  • Ensures email delivery

Simple, transparent pricing. No hidden fees, no surprises.

Free plan

Start monitoring with essential features - free forever

Freeforever
Get Started Free
  • Up to 5 URLs
  • All Features Included
  • SSL & DNS Monitoring
  • Lighthouse Performance Alerts
  • AI Optimization Reports
  • AI-Powered Performance Insights
  • Public SLA Pages

Starter

Perfect for start-ups and personal projects

$10/month
Get Started
  • Up to 10 URLs
  • API Access
  • All Features Included
  • SSL & DNS Monitoring
  • Lighthouse Performance Alerts
  • AI Optimization Reports
  • AI-Powered Performance Insights
  • Public SLA Pages
Most Popular

Professional

Ideal for growing businesses

$29/month
Get Started
  • Up to 50 URLs
  • API Access
  • All Features Included
  • SSL & DNS Monitoring
  • Lighthouse Performance Alerts
  • AI Optimization Reports
  • AI-Powered Performance Insights
  • Public SLA Pages

Enterprise

For large organizations

$99/month
Contact Sales
  • 200 URLs
  • API Access
  • All Features Included
  • SSL & DNS Monitoring
  • Lighthouse Performance Alerts
  • AI Optimization Reports
  • AI-Powered Performance Insights
  • Public SLA Pages

Ready to get started? More and more businesses choose nanokoi for website monitoring.

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Free AI Uptime & Performance Monitoring | Nanokoi