Classifies uptime checks into operational, blocked, timeout, SSL, DNS, and other categories.
Response time
1229ms
TTFB
249ms
Uptime (48h)
99.9%
Avg response
636ms
Monitor status
Up (200)
Time to First Byte
0.249s
How long it took the website to start responding.
Full Load Time
1.229s
Total transfer time for the checked endpoint.
Caching
no-cache, no-store, no-transform
Cache policy discovered in headers.
Security Headers
4/6 present
Recommended response security headers.
SSL/TLS
Valid — 101 days left
Certificate validity and expiry details.
SEO snapshot
Latest score and how it has changed over time. What does this score mean?
88
B
Trends
Performance and uptime over the last 48 hours. What is TTFB?
Performance
Response time over 1750 checks in the last 48 hours.
Average
636 ms
Fastest
275 ms
Slowest
1759 ms
P95
1123 ms
Security & SSL
Security headers
HeaderStatus
Content-Security-Policy
Present
Strict-Transport-Security
Present
X-Frame-Options
Present
X-Content-Type-Options
Present
Referrer-Policy
Missing
Permissions-Policy
Missing
SSL certificate
Status
Valid
Days until expiry101
IssuerDigiCert Global G2 TLS RSA SHA256 2020 CA1
Subjectwww.linkedin.com
ProtocolHTTP/1.x
Network & connection
DNS lookup0 ms · OK
TCP connect3 ms · OK
Redirects1 hop(s) (301)
Final URLhttps://www.linkedin.com/
Compressiongzip
Cache-Controlno-cache, no-store, no-transform
Content & SEO
Page titleLinkedIn: Log In or Sign Up
HTML size140.3 KB
Canonicalhttps://www.linkedin.com/
Robots metanoarchive
Recent history
Last 10 results.
Time
State
HTTP
Response
TTFB
10th Jun 2026 at 1:19 pm
UP
200
1229 ms
249 ms
10th Jun 2026 at 1:17 pm
UP
200
775 ms
302 ms
10th Jun 2026 at 1:14 pm
UP
200
931 ms
281 ms
10th Jun 2026 at 1:12 pm
UP
200
1081 ms
378 ms
10th Jun 2026 at 1:10 pm
UP
200
762 ms
254 ms
10th Jun 2026 at 1:08 pm
UP
200
634 ms
245 ms
10th Jun 2026 at 1:06 pm
UP
200
547 ms
306 ms
10th Jun 2026 at 1:04 pm
UP
200
601 ms
231 ms
10th Jun 2026 at 1:02 pm
UP
200
492 ms
309 ms
10th Jun 2026 at 1:01 pm
UP
200
627 ms
279 ms
Raw payload
{
"cache_control": "no-cache, no-store, no-transform",
"canonical": "https://www.linkedin.com/",
"compression": "gzip",
"content_keyword_ok": null,
"dns_ok": true,
"dns_time_sec": 0.0,
"etag": null,
"final_url": "https://www.linkedin.com/",
"hsts_present": true,
"monitor_status": "UP",
"monitor_url": "https://linkedin.com/",
"page_size_bytes": 143656,
"redirects": [
301
],
"request_method": "HEAD",
"robots_meta": "noarchive",
"security_headers": {
"Content-Security-Policy": true,
"Permissions-Policy": false,
"Referrer-Policy": false,
"Strict-Transport-Security": true,
"X-Content-Type-Options": true,
"X-Frame-Options": true
},
"ssl": {
"alpn": null,
"ssl_days_until_expiry": 101,
"ssl_issuer_cn": "DigiCert Global G2 TLS RSA SHA256 2020 CA1",
"ssl_subject_cn": "www.linkedin.com",
"ssl_valid": true
},
"status": 200,
"tcp_connect_time_sec": 0.003,
"tcp_ok": true,
"title": "LinkedIn: Log In or Sign Up",
"total_time_sec": 1.229,
"ttfb_sec": 0.249
}