jsdelivr.com B

24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
5 2
SSL Certificate
60d
Security Headers
0/6
Status Badges
Status Uptime 30d Uptime 7d Response Time SSL Performance Accessibility SEO Security Headers Uptime 24h Incidents IPv4/IPv6
Click any snippet to copy. Use Markdown for GitHub READMEs, HTML for websites.
Badge Markdown HTML
Status [![Status](https://updown.website/badge/jsdelivr.com/status.svg)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/status.svg" alt="Status"></a>
Uptime [![Uptime](https://updown.website/badge/jsdelivr.com/uptime.svg)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/uptime.svg" alt="Uptime"></a>
Response Time [![Response Time](https://updown.website/badge/jsdelivr.com/response-time.svg)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/response-time.svg" alt="Response Time"></a>
SSL [![SSL](https://updown.website/badge/jsdelivr.com/ssl.svg)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/ssl.svg" alt="SSL"></a>
Performance [![Performance](https://updown.website/badge/jsdelivr.com/cwv.svg)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/cwv.svg" alt="Performance"></a>
Accessibility [![Accessibility](https://updown.website/badge/jsdelivr.com/cwv.svg?category=accessibility)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/cwv.svg?category=accessibility" alt="Accessibility"></a>
SEO [![SEO](https://updown.website/badge/jsdelivr.com/cwv.svg?category=seo)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/cwv.svg?category=seo" alt="SEO"></a>
Security Headers [![Security Headers](https://updown.website/badge/jsdelivr.com/security-headers.svg)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/security-headers.svg" alt="Security Headers"></a>
Uptime 24h [![Uptime 24h](https://updown.website/badge/jsdelivr.com/uptime.svg?period=24h)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/uptime.svg?period=24h" alt="Uptime 24h"></a>
Incidents [![Incidents](https://updown.website/badge/jsdelivr.com/incidents.svg)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/incidents.svg" alt="Incidents"></a>
IPv4/IPv6 [![IPv4/IPv6](https://updown.website/badge/jsdelivr.com/ipv46.svg)](https://updown.website/site/jsdelivr.com/) <a href="https://updown.website/site/jsdelivr.com/"><img src="https://updown.website/badge/jsdelivr.com/ipv46.svg" alt="IPv4/IPv6"></a>
Site Health (24 h)
HTTP Response DNS Lookup Ping Up Down Reports Incident
Monitoring
Recent HTTP Checks (24 h)
Total Checks
8
Success Rate
100%
Avg Response
1494 ms
Min / Max
50 / 1971 ms
Recent Checks
16:38 10:01
Time Status Code Response Agent Error
10:01:24 UP 200 1889 ms prod-local —
08:39:12 UP 200 1629 ms prod-local —
05:23:07 UP 200 1971 ms prod-local —
02:42:20 UP 200 1524 ms prod-local —
01:19:49 UP 200 1551 ms prod-local —
22:52:04 UP 200 1963 ms prod-local —
17:47:47 UP 200 1377 ms prod-local —
16:38:10 UP 200 50 ms prod-local —
Incident History

No incidents recorded — all clear!

Community
0
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Mail Server (SMTP) Checks
3 checked
Status MX Host Port IP EHLO STARTTLS TLS Works TLS Ver Open Relay Auth Reverse DNS Banner Latency Checked
mx1.improvmx.com 25 35.181.18.45 — — — — — 10003.0 ms 1 day, 6 hours ago
mx1.improvmx.com 465 35.181.18.45 — — — — — 74.6 ms 1 day, 6 hours ago
mx1.improvmx.com 587 35.181.18.45 TLSv1.3 — — ec2-35-181-18-45.eu-west-3.co… 220 mx1.improvmx.com Welcome to ImprovMX mail server v3. - … 83.5 ms 1 day, 6 hours ago
Service Checks (Banner Grab)
11 up 1 down
Status Port Service Version IP Banner Latency Checked
80 http cloudflare 2606:4700:3033::ac43:8268 HTTP/1.1 200 OK Date: Tue, 21 Apr 2026 17:56:59 GMT Content-Type: text/html; … 3.6 ms 18 hours, 3 minutes ago
443 https — 2606:4700:3033::ac43:8268 — 504.4 ms 18 hours, 3 minutes ago
2082 cpanel — 2606:4700:3033::ac43:8268 — 2005.3 ms 18 hours, 3 minutes ago
2083 cpanel-ssl — 2606:4700:3033::ac43:8268 — 2005.0 ms 18 hours, 3 minutes ago
2086 whm — 2606:4700:3033::ac43:8268 — 2005.0 ms 18 hours, 3 minutes ago
2087 whm-ssl — 2606:4700:3033::ac43:8268 — 2005.2 ms 18 hours, 3 minutes ago
8080 http-alt — 2606:4700:3033::ac43:8268 — 3307.7 ms 18 hours, 3 minutes ago
8443 https-alt — 2606:4700:3033::ac43:8268 — 504.4 ms 18 hours, 3 minutes ago
8880 cddbp-alt — 2606:4700:3033::ac43:8268 — 2004.6 ms 18 hours, 3 minutes ago
Security
SSL / TLS Certificate
60
days left
Valid
Mar 23, 2026 Jun 21, 2026
Issued → Expires
Subject commonName=jsdelivr.com
Issuer countryName=US, organizationName=Google Trust Services, commonName=WE1
Valid From 2026-03-23 18:24
Expires 2026-06-21 19:24
Serial Number 3BE34FD4921CEBBB13318422AA8731D0
SHA-256 Fingerprint 32:d3:5c:e1:9b:22:e4:09:a8:e1:cc:67:bc:4f:8c:92:17:1e:d1:f5:d2:f5:8a:6d:1c:25:0d:52:c1:81:f0:6c
Subject Alt Names jsdelivr.com download.jsdelivr.com
Last Checked 2026-04-22 10:01:24
Latest HTTP Response Details
Final URL https://www.jsdelivr.com/
Status Code 200
Response Time 1889 ms
Content Size 46 KB (45.7 KB)
Content Type text/html; charset=utf-8
Server cloudflare
TLS Version TLSv1.3
TLS Cipher TLS_AES_256_GCM_SHA384
Redirects 1
  1. https://jsdelivr.com/
Checked 2026-04-22 10:01:24
Email Security Posture
MX Records
SPF
Details v=spf1 include:spf.improvmx.com ~all
DMARC
BIMI
MTA-STS
Partial
Overall
DNS & Network
DNS Intelligence (24h)
Avg Resolution
6.3 ms
Min / Max
4.7 / 13.2 ms
Record Types
6
Lookups (24h)
48
DNS Records
A
104.21.8.91 172.67.130.104
300s 4.7ms
AAAA
2606:4700:3033::6815:85b 2606:4700:3033::ac43:8268
300s 13.2ms
MX
10 mx1.improvmx.com
20 mx2.improvmx.com
300s 6.8ms
NS
saanvi.ns.cloudflare.com pedro.ns.cloudflare.com
2265s 1.1ms
TXT
SPF (1)
v=spf1 include:spf.improvmx.com ~all
Domain Verification (1)
google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts
TXT Record (1)
fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09
300s 5.8ms
SOA
Primary NS
pedro.ns.cloudflare.com
Admin
dns@cloudflare.com
Serial: 2402233880 Refresh: 2h Retry: 40m Expire: 7d Min TTL: 30m
1800s 5.9ms
DNS Propagation Consistent
Resolver IPs Returned Response Time Status
Quad9 104.21.8.91 172.67.130.104 2.42ms
Google 104.21.8.91 172.67.130.104 19.51ms
AdGuard 104.21.8.91 172.67.130.104 17.74ms
OpenDNS 104.21.8.91 172.67.130.104 83.44ms
Cloudflare 104.21.8.91 172.67.130.104 5.98ms
WHOIS / Domain Registration
Registrar
Amazon Registrar, Inc.
Registrant Organization
Identity Protection Service
Created
2012-05-16
Updated
2026-04-11
Expires
2027-05-16
Name Servers (WHOIS)
pedro.ns.cloudflare.com saanvi.ns.cloudflare.com
Domain Status
clientDeleteProhibited clientTransferProhibited clientUpdateProhibited
DNSSEC
Unsigned
Country
GB
WHOIS Last Checked
2026-04-21 11:02
Resolution Time (A/AAAA recent)
01:19 10:01
Time Type Values TTL Resolution Nameserver
10:01:24 SOA pedro.ns.cloudflare.com dns.cloudflare.com 2402233880 10000 2400 604800 1800 1800s 5.9 ms 10.89.0.1
10:01:24 TXT fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09 google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts v=spf1 include:spf.improvmx.com ~all 300s 5.8 ms 10.89.0.1
10:01:24 NS saanvi.ns.cloudflare.com pedro.ns.cloudflare.com 2265s 1.1 ms 10.89.0.1
10:01:24 MX 10 mx1.improvmx.com 20 mx2.improvmx.com 300s 6.8 ms 10.89.0.1
10:01:24 AAAA 2606:4700:3033::6815:85b 2606:4700:3033::ac43:8268 300s 13.2 ms 10.89.0.1
10:01:24 A 104.21.8.91 172.67.130.104 300s 4.7 ms 10.89.0.1
08:39:11 SOA pedro.ns.cloudflare.com dns.cloudflare.com 2402233880 10000 2400 604800 1800 1800s 4.4 ms 10.89.0.1
08:39:11 TXT fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09 google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts v=spf1 include:spf.improvmx.com ~all 300s 5.7 ms 10.89.0.1
08:39:11 NS pedro.ns.cloudflare.com saanvi.ns.cloudflare.com 86400s 5.9 ms 10.89.0.1
08:39:11 MX 10 mx1.improvmx.com 20 mx2.improvmx.com 300s 5.5 ms 10.89.0.1
08:39:11 AAAA 2606:4700:3033::ac43:8268 2606:4700:3033::6815:85b 300s 6.1 ms 10.89.0.1
08:39:11 A 172.67.130.104 104.21.8.91 300s 6.7 ms 10.89.0.1
05:23:07 SOA pedro.ns.cloudflare.com dns.cloudflare.com 2402233880 10000 2400 604800 1800 1800s 5.6 ms 10.89.0.1
05:23:07 TXT fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09 google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts v=spf1 include:spf.improvmx.com ~all 300s 13.1 ms 10.89.0.1
05:23:07 NS pedro.ns.cloudflare.com saanvi.ns.cloudflare.com 86400s 4.8 ms 10.89.0.1
05:23:07 MX 10 mx1.improvmx.com 20 mx2.improvmx.com 300s 6.0 ms 10.89.0.1
05:23:07 AAAA 2606:4700:3033::ac43:8268 2606:4700:3033::6815:85b 300s 5.7 ms 10.89.0.1
05:23:07 A 104.21.8.91 172.67.130.104 109s 4.7 ms 10.89.0.1
02:42:20 SOA pedro.ns.cloudflare.com dns.cloudflare.com 2402233880 10000 2400 604800 1800 1800s 5.2 ms 10.89.0.1
02:42:20 TXT fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09 google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts v=spf1 include:spf.improvmx.com ~all 300s 6.0 ms 10.89.0.1
02:42:20 NS pedro.ns.cloudflare.com saanvi.ns.cloudflare.com 86400s 5.3 ms 10.89.0.1
02:42:20 MX 10 mx1.improvmx.com 20 mx2.improvmx.com 300s 4.5 ms 10.89.0.1
02:42:20 AAAA 2606:4700:3033::6815:85b 2606:4700:3033::ac43:8268 300s 6.6 ms 10.89.0.1
02:42:20 A 104.21.8.91 172.67.130.104 300s 5.8 ms 10.89.0.1
01:19:49 SOA pedro.ns.cloudflare.com dns.cloudflare.com 2402233880 10000 2400 604800 1800 1800s 4.6 ms 10.89.0.1
01:19:49 TXT fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09 google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts v=spf1 include:spf.improvmx.com ~all 300s 16.1 ms 10.89.0.1
01:19:49 NS pedro.ns.cloudflare.com saanvi.ns.cloudflare.com 86400s 7.0 ms 10.89.0.1
01:19:49 MX 10 mx1.improvmx.com 20 mx2.improvmx.com 300s 7.0 ms 10.89.0.1
01:19:49 AAAA 2606:4700:3033::6815:85b 2606:4700:3033::ac43:8268 300s 6.2 ms 10.89.0.1
01:19:49 A 104.21.8.91 172.67.130.104 300s 6.3 ms 10.89.0.1
22:52:04 SOA pedro.ns.cloudflare.com dns.cloudflare.com 2402233880 10000 2400 604800 1800 1800s 4.8 ms 10.89.0.1
22:52:04 TXT fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09 google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts v=spf1 include:spf.improvmx.com ~all 300s 5.9 ms 10.89.0.1
22:52:04 NS pedro.ns.cloudflare.com saanvi.ns.cloudflare.com 86400s 6.1 ms 10.89.0.1
22:52:04 MX 10 mx1.improvmx.com 20 mx2.improvmx.com 300s 4.9 ms 10.89.0.1
22:52:04 AAAA 2606:4700:3033::ac43:8268 2606:4700:3033::6815:85b 300s 6.6 ms 10.89.0.1
22:52:04 A 172.67.130.104 104.21.8.91 300s 5.9 ms 10.89.0.1
17:47:46 SOA pedro.ns.cloudflare.com dns.cloudflare.com 2402233880 10000 2400 604800 1800 1800s 12.4 ms 10.89.0.1
17:47:46 TXT fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09 google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts v=spf1 include:spf.improvmx.com ~all 300s 7.2 ms 10.89.0.1
17:47:46 NS saanvi.ns.cloudflare.com pedro.ns.cloudflare.com 3024s 1.1 ms 10.89.0.1
17:47:46 MX 10 mx1.improvmx.com 20 mx2.improvmx.com 300s 5.7 ms 10.89.0.1
17:47:46 AAAA 2606:4700:3033::6815:85b 2606:4700:3033::ac43:8268 300s 5.9 ms 10.89.0.1
17:47:46 A 172.67.130.104 104.21.8.91 300s 5.5 ms 10.89.0.1
16:38:10 SOA pedro.ns.cloudflare.com dns.cloudflare.com 2402233880 10000 2400 604800 1800 1800s 8.3 ms 10.89.0.1
16:38:10 TXT fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09 google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Ts v=spf1 include:spf.improvmx.com ~all 300s 6.1 ms 10.89.0.1
16:38:10 NS pedro.ns.cloudflare.com saanvi.ns.cloudflare.com 86400s 5.6 ms 10.89.0.1
16:38:10 MX 10 mx1.improvmx.com 20 mx2.improvmx.com 300s 7.7 ms 10.89.0.1
16:38:10 AAAA 2606:4700:3033::6815:85b 2606:4700:3033::ac43:8268 300s 5.3 ms 10.89.0.1
16:38:10 A 172.67.130.104 104.21.8.91 300s 6.3 ms 10.89.0.1
Open Ports 18
Open Ports
18
IPs Scanned
18
Port Protocol Service IP Address Status Latency Banner
80 TCP http 172.67.130.104 Open 77.1 ms —
80 TCP http 2606:4700:3033::ac43:8268 Open 9.1 ms —
443 TCP https 172.67.130.104 Open 8.8 ms —
443 TCP https 2606:4700:3033::ac43:8268 Open 2.2 ms —
2082 TCP cpanel 2606:4700:3033::ac43:8268 Open 1026.5 ms —
2082 TCP cpanel 172.67.130.104 Open 1006.1 ms —
2083 TCP cpanel-ssl 2606:4700:3033::ac43:8268 Open 1026.5 ms —
2083 TCP cpanel-ssl 172.67.130.104 Open 1020.8 ms —
2086 TCP whm 172.67.130.104 Open 9.7 ms —
2086 TCP whm 2606:4700:3033::ac43:8268 Open 2.5 ms —
2087 TCP whm-ssl 2606:4700:3033::ac43:8268 Open 8.4 ms —
2087 TCP whm-ssl 172.67.130.104 Open 2.2 ms —
8080 TCP http-alt 2606:4700:3033::ac43:8268 Open 8.6 ms —
8080 TCP http-alt 172.67.130.104 Open 7.5 ms —
8443 TCP https-alt 2606:4700:3033::ac43:8268 Open 3.1 ms —
8443 TCP https-alt 172.67.130.104 Open 7.7 ms —
8880 TCP cddbp-alt 2606:4700:3033::ac43:8268 Open 2.9 ms —
8880 TCP cddbp-alt 172.67.130.104 Open 8.6 ms —
Active IP Addresses
IP Address Version Reverse DNS CIDR Country City ASN Reputation First Seen Last DNS Hits Misses Uptime % Avg Latency
2606:4700:3033::ac43:8268 IPv6 — 2606:4700:3033::/48 — — AS13335 Cloudflare, Inc. Clean 2026-04-19 17:10 2026-04-22 10:01 8 0 100.0% 3.2 ms
2606:4700:3033::6815:85b IPv6 — 2606:4700:3033::/48 — — AS13335 Cloudflare, Inc. Clean 2026-04-19 17:10 2026-04-22 10:01 8 0 100.0% 3.8 ms
104.21.8.91 IPv4 — 104.21.8.0/24 — — AS13335 Cloudflare, Inc. Clean 2026-04-19 17:10 2026-04-22 10:01 8 0 100.0% 4.1 ms
172.67.130.104 IPv4 — 172.67.130.0/24 — — AS13335 Cloudflare, Inc. Clean 2026-04-19 17:10 2026-04-22 10:01 8 0 100.0% 4.2 ms
35.181.18.45 IPv4 mx1.improvmx.com — — — — — 2026-04-21 05:51 2026-04-21 05:51 0 0 — —
13.37.195.136 IPv4 mx1.improvmx.com — — — — — 2026-04-20 04:48 2026-04-20 04:48 0 0 — —
15.236.61.92 IPv4 mx2.improvmx.com — — — — — 2026-04-20 04:48 2026-04-20 04:48 0 0 — —
Technology
Technology Stack 17 detected
HTTP/2
HTTP/3 (QUIC)
17
Technologies
CDN 3
90%
CF-Ray header present
85%
TXT delegation: fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09
70%
jsDelivr CDN
CSS 1
Bootstrap
80%
Script src: https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.…
DNS 1
85%
NS record: saanvi.ns.cloudflare.com
Email 2
85%
MX record: 10 mx1.improvmx.com
SPF Record
85%
TXT SPF: v=spf1 include:spf.improvmx.com ~all
Library 1
70%
jQuery script
Platform 1
90%
X-Render header
SEO 3
Canonical Link Header
90%
Link rel=canonical
70%
JSON-LD structured data
70%
Schema.org structured data
Service 1
70%
Algolia search
Social 2
70%
Open Graph meta tags
70%
Twitter Card meta
Support 1
70%
tawk.to
Verification 1
85%
TXT verification: google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtA…
Technology Provider 1 tech · 1 sites

This domain provides technology used by other monitored sites.

jsDelivr
11ty.dev algolia.com alpinejs.dev ant.design axios-http.com bun.sh caddyserver.com clearbit.com clickup.com cloudinary.com demandbase.com expressjs.com flatpickr.js.org getbootstrap.com getform.io getquick.link globalsign.com growthbook.io hexo.io jekyllrb.com json-ld.org katex.org langchain.com livewire.laravel.com mailerlite.com mathjax.org payloadcms.com qwik.dev rrweb.io styled-components.com sweetalert2.github.io tom-select.js.org unocss.dev uservoice.com videojs.com vidyard.com webflow.com weglot.com
Discovery
Crawl Configuration
robots.txt Sitemap · 9 URLs
robots.txt 0 disallow · 1 allow · 1 agent
User-Agent Directive Path / Value
* Allow *
* Sitemap https://www.jsdelivr.com/sitemap/index.xml
* Sitemap https://www.jsdelivr.com/blog/sitemap.xml 
User-agent: *
Allow: *

Sitemap: https://www.jsdelivr.com/sitemap/index.xml
Sitemap: https://www.jsdelivr.com/blog/sitemap.xml
Sitemap
9
URLs
Sitemap Accessible
Standard
Discovered Sub-domains 9
Wordlist Brute-force 9
Subdomain Source Status Code Response IPs Last Checked
api.jsdelivr.com Wordlist Brute-force Pending — — — Never
blog.jsdelivr.com Wordlist Brute-force Pending — — — Never
dashboard.jsdelivr.com Wordlist Brute-force Pending — — — Never
data.jsdelivr.com Wordlist Brute-force Pending — — — Never
download.jsdelivr.com Wordlist Brute-force Pending — — — Never
img.jsdelivr.com Wordlist Brute-force Pending — — — Never
kibana.jsdelivr.com Wordlist Brute-force Pending — — — Never
status.jsdelivr.com Wordlist Brute-force Pending — — — Never
www.jsdelivr.com Wordlist Brute-force Pending — — — Never