Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 172.67.157.109 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 172.67.157.109
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://kolo.dev:443 | 301 | HTTP/2 301 |
| 2 | https://fedorov.net/?utm_source=kolo.dev&utm_content=port443&utm_medium=redirect&utm_campaign=domain_migration | 200 | HTTP/2 200 |
#1 URL https://kolo.dev:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://fedorov.net/?utm_source=kolo.dev&utm_content=port443&utm_medium=redirect&utm_campaign=domain_migration
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 13.7 ms |
| TCP Connect | 15.8 ms |
| TLS Handshake | 7.7 ms |
| Time To First Byte (TTFB) | 103.7 ms |
| Content Download | 0.2 ms |
| Total Response Time | 103.9 ms |
DNS Lookup 13.7 ms
TCP Connect 15.8 ms
TLS Handshake 7.7 ms
Time To First Byte (TTFB) 103.7 ms
Content Download 0.2 ms
Total Response Time 103.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| Permissions Policy | ✔ Configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; preload
CSP ⚠ Not configured
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
Permissions Policy ✔ Configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Mihail Fedorov — Personal website and CV |
| Meta Description | DevOps engineer, infrastructure consultant, and network operator. 20+ years in infrastructure automation, cloud platforms, and security. |
| Canonical | https://fedorov.net/ |
| Open Graph Title | Mihail Fedorov — Personal website and CV |
| Open Graph Description | DevOps engineer, infrastructure consultant, and network operator. 20+ years in infrastructure automation, cloud platforms, and security. |
| Open Graph Image | https://fedorov.net/assets/og-image.png |
| Twitter Card | summary_large_image |
| Twitter Title | Mihail Fedorov — Personal website and CV |
| Twitter Description | DevOps engineer, infrastructure consultant, and network operator. 20+ years in infrastructure automation, cloud platforms, and security. |
| Twitter Image | https://fedorov.net/assets/og-image.png |
Title Mihail Fedorov — Personal website and CV Meta Description DevOps engineer, infrastructure consultant, and network operator. 20+ years in infrastructure automation, cloud platforms, and security. Canonical https://fedorov.net/ Open Graph Title Mihail Fedorov — Personal website and CV Open Graph Description DevOps engineer, infrastructure consultant, and network operator. 20+ years in infrastructure automation, cloud platforms, and security. Open Graph Image https://fedorov.net/assets/og-image.png Twitter Card summary_large_image Twitter Title Mihail Fedorov — Personal website and CV Twitter Description DevOps engineer, infrastructure consultant, and network operator. 20+ years in infrastructure automation, cloud platforms, and security. Twitter Image https://fedorov.net/assets/og-image.png Detected Technologies
| Technology | Bootstrap Google Analytics Google Tag Manager Cloudflare PHP |
Technology Bootstrap Google Analytics Google Tag Manager Cloudflare PHP
HTTP Headers
| Date
| Thu, 20 Aug 2026 06:06:41 GMT |
| Content-type
| text/html; charset=utf-8 |
| Cf-ray
| a2df36a7ed97acc1-CDG |
| Cf-cache-status
| DYNAMIC |
| Access-control-allow-origin
| * |
| Cache-control
| public, max-age=0, must-revalidate |
| Server
| cloudflare |
| Strict-transport-security
| max-age=31536000; preload |
| Vary
| accept-encoding |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=XCvcBE30eE3KEj8bKj2Y1PVvGgf56F9apyabD%2B%2BSABSk%2Br2QBxSUm0OziyL%2B%2FUN5hewsJkZTm%2FOkzMztDgWN4w75qXBylpTJaQZi%2FYCeTUO4GSwnbPuPYOCqzO%2FIRtm7icNtOb2LelNfQA%3D%3D"}]} |
| Permissions-policy
| camera=(), microphone=(), geolocation=() |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-content-type-options
| nosniff |
| X-easter-egg
| 🤖 Marvin was here #3 |
| X-frame-options
| DENY |
| Server-timing
| cfEdge;dur=75,cfOrigin;dur=0 |
| Content-encoding
| gzip |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0, viewport-fit=cover |
| Theme-color | #1a1a2e |
| Description | DevOps engineer, infrastructure consultant, and network operator. 20+ years in infrastructure automation, cloud platforms, and security. |
| Author | Mihail Fedorov |
| Apple-mobile-web-app-capable | yes |
| Apple-mobile-web-app-status-bar-style | black-translucent |
Date Thu, 20 Aug 2026 06:06:41 GMT
Content-type text/html; charset=utf-8
Cf-ray a2df36a7ed97acc1-CDG
Cf-cache-status DYNAMIC
Access-control-allow-origin *
Cache-control public, max-age=0, must-revalidate
Server cloudflare
Strict-transport-security max-age=31536000; preload
Vary accept-encoding
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=XCvcBE30eE3KEj8bKj2Y1PVvGgf56F9apyabD%2B%2BSABSk%2Br2QBxSUm0OziyL%2B%2FUN5hewsJkZTm%2FOkzMztDgWN4w75qXBylpTJaQZi%2FYCeTUO4GSwnbPuPYOCqzO%2FIRtm7icNtOb2LelNfQA%3D%3D"}]}
Permissions-policy camera=(), microphone=(), geolocation=()
Referrer-policy strict-origin-when-cross-origin
X-content-type-options nosniff
X-easter-egg 🤖 Marvin was here #3
X-frame-options DENY
Server-timing cfEdge;dur=75,cfOrigin;dur=0
Content-encoding gzip
Alt-svc h3=":443"; ma=86400
