URL: https://bridger.to/
Submission: On December 13 via api from US — Scanned from DE

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 15 HTTP transactions. The main IP is 76.76.21.21, located in Walnut, United States and belongs to AMAZON-02, US. The main domain is bridger.to.
TLS certificate: Issued by R10 on December 13th 2024. Valid for: 3 months.
This is the only time bridger.to was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
15 76.76.21.21 16509 (AMAZON-02)
15 1
Apex Domain
Subdomains
Transfer
15 bridger.to
bridger.to
244 KB
15 1
Domain Requested by
15 bridger.to bridger.to
15 1
Subject Issuer Validity Valid
bridger.to
R10
2024-12-13 -
2025-03-13
3 months crt.sh

This page contains 1 frames:

Primary Page: https://bridger.to/
Frame ID: 8FC8E6917A441BE971246ED169B8A414
Requests: 15 HTTP requests in this frame

Screenshot

Page Title

Bridger Tower :: Designer and Developer

Page Statistics

15
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

244 kB
Transfer

762 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

15 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
bridger.to/
49 KB
8 KB
Document
General
Full URL
https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
f0a75371e0596aae3e22aecc34c7e154dd667eb399b443b61aeba304b8fb63c0
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

access-control-allow-origin
*
age
338767
cache-control
public, max-age=0, must-revalidate
content-disposition
inline
content-encoding
br
content-type
text/html; charset=utf-8
date
Fri, 13 Dec 2024 18:16:14 GMT
etag
W/"b744d7988dc6ded4de22055c34d08a7c"
server
Vercel
strict-transport-security
max-age=63072000
vary
RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch
x-matched-path
/
x-nextjs-prerender
1
x-nextjs-stale-time
4294967294
x-vercel-cache
HIT
x-vercel-id
fra1::26tbf-1734113774557-45db6ffb1a51
3534416bbfdcc9be-s.p.woff2
bridger.to/_next/static/media/
24 KB
24 KB
Font
General
Full URL
https://bridger.to/_next/static/media/3534416bbfdcc9be-s.p.woff2
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
ec77738d9e8ae43b942aad4d6f555ddac5cc5476bb982d7efdcabccf20ca7c6e
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Origin
https://bridger.to
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
x-vercel-cache
HIT
etag
"8951283ba1faa0d2c460f42df9366ca1"
age
337619
x-matched-path
/_next/static/media/3534416bbfdcc9be-s.p.woff2
accept-ranges
bytes
access-control-allow-origin
*
content-length
24276
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="3534416bbfdcc9be-s.p.woff2"
content-type
font/woff2
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::qpshb-1734113774589-4e6e316534b9
fb50c503f810ffe8.css
bridger.to/_next/static/css/
46 KB
9 KB
Stylesheet
General
Full URL
https://bridger.to/_next/static/css/fb50c503f810ffe8.css
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
933235e090d32837837f300c2d73d8faab06d772409047db2665d1c3ac733a66
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"8eec76cf1619955d24f85848d279d01c"
age
337619
x-matched-path
/_next/static/css/fb50c503f810ffe8.css
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="fb50c503f810ffe8.css"
content-type
text/css; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::26tbf-1734113774589-7fd58a328aaa
webpack-6e9da2b0c9501df3.js
bridger.to/_next/static/chunks/
3 KB
2 KB
Script
General
Full URL
https://bridger.to/_next/static/chunks/webpack-6e9da2b0c9501df3.js
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
6da7fd78fb67c27eb395eb9de58040da516d265045580ed381da9e27f7c55340
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"fc25694470dc5e8cbd5054f87986929a"
age
337619
x-matched-path
/_next/static/chunks/webpack-6e9da2b0c9501df3.js
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="webpack-6e9da2b0c9501df3.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::7rxx8-1734113774630-d6ff5a273a93
cfadc51f-275d70dfacda994e.js
bridger.to/_next/static/chunks/
162 KB
53 KB
Script
General
Full URL
https://bridger.to/_next/static/chunks/cfadc51f-275d70dfacda994e.js
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
4e606aef020698c99de8dca43cfa1157b8fc78aae3faa866baf7709c4319f9cf
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"cb31c652453fed8e8e62ceed0fd44a17"
age
337619
x-matched-path
/_next/static/chunks/cfadc51f-275d70dfacda994e.js
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="cfadc51f-275d70dfacda994e.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::26tbf-1734113774631-04cac4a2bc06
429-94cf2a45d06719c3.js
bridger.to/_next/static/chunks/
173 KB
45 KB
Script
General
Full URL
https://bridger.to/_next/static/chunks/429-94cf2a45d06719c3.js
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
3d0b5578e572568af9cb4a238e8cf29c64d6b86d40c807102d408b2be1a480b0
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"28f0c53109b86e2d3390987ce0297cb8"
age
337619
x-matched-path
/_next/static/chunks/429-94cf2a45d06719c3.js
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="429-94cf2a45d06719c3.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::qwt9s-1734113774639-6016eb65d2ee
main-app-962c5751234f8632.js
bridger.to/_next/static/chunks/
461 B
638 B
Script
General
Full URL
https://bridger.to/_next/static/chunks/main-app-962c5751234f8632.js
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
f27becfcb1cdd3a9e9d5296b4a802daed39051199d44fa8ffd95f0c9c2f68052
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
x-vercel-cache
HIT
etag
"c2eb61dcf286f7a93dd2694c9f6df7d7"
age
337619
x-matched-path
/_next/static/chunks/main-app-962c5751234f8632.js
accept-ranges
bytes
access-control-allow-origin
*
content-length
461
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="main-app-962c5751234f8632.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::rfbk9-1734113774639-7ecba1146779
618-0f85bf0013b8d46b.js
bridger.to/_next/static/chunks/
135 KB
46 KB
Script
General
Full URL
https://bridger.to/_next/static/chunks/618-0f85bf0013b8d46b.js
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
5b7af6f85d7891fd512f32abe8cc777897072c41ab2248b2a29454e784bd127c
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"dbc55c8aa52e06654da9f4b1d9870745"
age
337619
x-matched-path
/_next/static/chunks/618-0f85bf0013b8d46b.js
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="618-0f85bf0013b8d46b.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::bftwr-1734113774639-8e56505b6c8f
layout-5eb30d14f8329da3.js
bridger.to/_next/static/chunks/app/
4 KB
2 KB
Script
General
Full URL
https://bridger.to/_next/static/chunks/app/layout-5eb30d14f8329da3.js
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
e469ceb6fab6ed50a7d4b4bd6f17128389adcffcf79a4a79a6aba13c39d09970
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"8441274ce8c114547516aa7c1d228781"
age
337619
x-matched-path
/_next/static/chunks/app/layout-5eb30d14f8329da3.js
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="layout-5eb30d14f8329da3.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::zwj85-1734113774639-6cc228690c74
379-8487409b03ae1577.js
bridger.to/_next/static/chunks/
131 KB
41 KB
Script
General
Full URL
https://bridger.to/_next/static/chunks/379-8487409b03ae1577.js
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
560d96cc56de821c5a9eb3a79d0189e4a244bfb5dad2e8da19bef92d52a365a0
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"0c96a7162c54bcc3145c08ef9098e635"
age
337619
x-matched-path
/_next/static/chunks/379-8487409b03ae1577.js
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="379-8487409b03ae1577.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::957dp-1734113774639-a9d55f32b2d5
page-1db131a830c70801.js
bridger.to/_next/static/chunks/app/
7 KB
3 KB
Script
General
Full URL
https://bridger.to/_next/static/chunks/app/page-1db131a830c70801.js
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
0607878c8b3d5ab1a72efab795a3fcbef44ce4fe6890c70d1814b21b48ff998c
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"42381636a69e9bb1748f3957a7877826"
age
337619
x-matched-path
/_next/static/chunks/app/page-1db131a830c70801.js
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="page-1db131a830c70801.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::lt9mg-1734113774639-a96c78da6b08
logo.b48e5067.svg
bridger.to/_next/static/media/
2 KB
1 KB
Image
General
Full URL
https://bridger.to/_next/static/media/logo.b48e5067.svg
Requested by
Host: bridger.to
URL: https://bridger.to/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
f7fa392a0aadbb6ad1d38c31e3cfd78de27768bcb1693b2cfa2e2270c9c31824
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public,max-age=31536000,immutable
content-encoding
br
x-vercel-cache
HIT
etag
W/"af25ac2a42cbf034b295c520a06e1156"
age
337619
x-matched-path
/_next/static/media/logo.b48e5067.svg
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="logo.b48e5067.svg"
content-type
image/svg+xml
server
Vercel
last-modified
Mon, 09 Dec 2024 20:29:14 GMT
x-vercel-id
fra1::zwj85-1734113774660-1e6d689b9940
favicon.ico
bridger.to/
22 KB
8 KB
Other
General
Full URL
https://bridger.to/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
fe8825594530ac42e5bda849e31ce7cc62d5fef326a02763927cd3a5a0986db0
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public, max-age=0, must-revalidate
content-encoding
br
x-vercel-cache
HIT
etag
W/"3fbf0495c3b8c685cad39e9f7abe868b"
age
338767
x-matched-path
/favicon.ico
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline
content-type
image/x-icon
server
Vercel
x-vercel-id
fra1::jpq65-1734113774729-9d74ad346fab
vary
RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch
script.js
bridger.to/_vercel/insights/
2 KB
1 KB
Script
General
Full URL
https://bridger.to/_vercel/insights/script.js
Requested by
Host: bridger.to
URL: https://bridger.to/_next/static/chunks/app/layout-5eb30d14f8329da3.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
52c33e15c3d7e4924c94171c8917a0239551234f0d3b602d5f4c55a244d839ea
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000; includeSubDomains; preload
cache-control
public, max-age=2678400
content-encoding
br
x-vercel-cache
HIT
etag
W/"fcf06e135949a699d8950fec18d1a14a"
age
30
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
date
Fri, 13 Dec 2024 18:16:14 GMT
content-disposition
inline; filename="script.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Fri, 13 Dec 2024 16:29:35 GMT
x-vercel-id
fra1:fra1:fra1::kb8qj-1734113774731-a4a7a15b6757
view
bridger.to/_vercel/insights/
2 B
145 B
Fetch
General
Full URL
https://bridger.to/_vercel/insights/view
Requested by
Host: bridger.to
URL: https://bridger.to/_vercel/insights/script.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Content-Type
application/json
Referer
https://bridger.to/

Response headers

strict-transport-security
max-age=63072000
cache-control
public, max-age=0, must-revalidate
cross-origin-resource-policy
cross-origin
x-ratelimit-reset
60
x-ratelimit-remaining
999
content-length
2
date
Fri, 13 Dec 2024 18:16:14 GMT
x-ratelimit-limit
1000
content-type
text/plain; charset=utf-8
server
Vercel
x-vercel-id
fra1::tkj9g-1734113774775-2de6934bc7b3

Verdicts & Comments Add Verdict or Comment

10 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

number| __wrap_n function| __wrap_b object| __next_f object| webpackChunk_N_E object| next function| _N_E_STYLE_LOAD boolean| MotionIsMounted string| vam function| va boolean| vai

0 Cookies

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=63072000