Enter a domain — e.g. github.com

Home•Developer Tools•jsDelivr
jsDelivr
Live website status
Online

Build and API status check forcdn.jsdelivr.net

jsDelivr appears operational right now.

Our latest check was less than a minute ago with a response time of 325ms.

Current status
UP
Latest probe result
Last checked
less than a minute ago
Automated check
Response time
325ms
Latest response
Avg latency
176ms
Recent checks
Visit website ↗Developer ToolsUpdated less than a minute ago
24 hour health summary
0
Last 24h outages
0
Slow checks
325ms
Avg response
Website overview
Suggest edit

About cdn.jsdelivr.net

Optimized for JS and ESM delivery from npm and GitHub. Works with all web formats. Serving more than 150 billion requests per month.
Current status
jsDelivr status at a glance
Latest automated probe less than a minute ago.

jsDelivr is up and running.

Responding normally with HTTP 200 in 325ms.

What this means

jsDelivr is reachable from our latest automated check, so the service does not currently look broadly down.

The latest check for cdn.jsdelivr.net ran less than a minute ago and returned HTTP 200 with a 325ms response time. We also have 40 recent automated probes for this developer tools service.

No visitor reports have been submitted yet, so the page currently relies mostly on automated checks for cdn.jsdelivr.net.

Need help interpreting the results? Read how to tell if a website is down.

Privacy tip
Browsing without a VPN? Your ISP can see every site you visit.
A VPN encrypts your traffic and hides your real IP address. Learn how VPNs work →
Get protected →
Sponsored · Affiliate link

Community Reports

No community reports yet. Be the first to report the status below.

Report an issue
Performance stats
Key metrics
A quick snapshot of the latest response and recent activity.
Current status
UP
Service reachable
Latest response
325ms
HTTP 200
Checks recorded
40
Recent automated probes
Visitor reports
0
No reports yet
Monitoring snapshot

40 recent automated checks, average latency 176ms.

FAQ about cdn.jsdelivr.net

Why jsDelivr may not be working

  • •Temporary server outage or maintenance.
  • •DNS problems or recent DNS changes.
  • •ISP or routing issues between you and the service.
  • •VPN, firewall, or ad blocker interference.
  • •Corrupted browser cache or cookies.
  • •Regional blocking or CDN issues.
  • •High load causing slow or unstable responses.

Check the status and uptime history above to see whether the issue looks widespread.

Troubleshooting

Can’t access jsDelivr?

If our check says the site is online but it still does not load for you, these quick steps can help identify whether the issue is local, network-related, or wider.

1

Refresh and retry

Force refresh the page with Ctrl/Cmd + F5, then try opening the site again in a new tab.

2

Check another connection

Try mobile data instead of Wi‑Fi, or test from another device to see if the issue is local.

3

Clear browser data

Clear cache and cookies for the site, or test in a private/incognito window.

4

Review DNS settings

Flush your DNS cache or try a public DNS provider such as Google, Cloudflare, or OpenDNS.

5

Disable blockers briefly

Temporarily turn off VPN, proxy, firewall, ad blocker, or security extensions and test again.

6

Look for a wider outage

If multiple users report trouble, the problem may be regional, ISP-related, or affecting the service itself.

Help & resources
More ways to investigate
If the issue is unclear, these guides can help you validate what is happening.
Compare with current outages
See whether other monitored services are showing issues alongside jsDelivr.
→
Check DNS for cdn.jsdelivr.net
Verify whether DNS records are resolving correctly for this domain.
→
How our checks work
Understand how SiteAlive verifies uptime, response time, and outage signals.
→

Explore more tools

🔐
Network Fingerprint Scanner
Detect your browser fingerprint, IP leaks, WebRTC, DNS, fonts, GPU and more
🔧
Website Intelligence Tool
Server IP, hosting provider, DNS, SSL, CDN detection, and headers
⚡
Website Speed Test
Check Core Web Vitals, speed scores, and page performance
🆚
Compare Websites
Compare uptime, speed, and incidents side by side
⚠️
IP Risk Analysis
Assess security risks of your IP address and get privacy tips
🔍
IP Lookup
Look up any IP address — location, ISP, ASN, threat info
📊
DNS Lookup
Check A, MX, NS, TXT, CNAME and SOA records for any domain
📡
Ping Test
Measure response time and packet loss to any host
🛣️
Traceroute
Trace the network path hop-by-hop to a host
🔓
Port Scanner
Check which common ports are open on any host
📄
HTTP Header Checker
Inspect full HTTP response headers from any URL
🌐
DNS Propagation Checker
Verify DNS changes across multiple resolvers worldwide
ℹ️
WHOIS Lookup
Get registration info, registrar and expiry for any domain
↔️
Reverse IP Lookup
Find all domains hosted on an IP address
📍
Website IP Lookup
Resolve a domain to its IPs with hosting info
🛡️
Website Security Scanner
Scan SSL, headers, and common website security issues

Also check

Currently having issues

View all →

No outages detected right now ✅

← Check another site