Submitted URL: http://www.rarlab.com/
Effective URL: https://www.rarlab.com/
Submission: On July 17 via manual from PH

Summary

This website contacted 3 IPs in 1 countries across 3 domains to perform 14 HTTP transactions. The main IP is 5.135.104.98, located in Berlin, Germany and belongs to OVH, FR. The main domain is www.rarlab.com.
TLS certificate: Issued by Let's Encrypt Authority X3 on July 4th 2020. Valid for: 3 months.
This is the only time www.rarlab.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 13 5.135.104.98 16276 (OVH)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
14 3
Apex Domain
Subdomains
Transfer
13 rarlab.com
www.rarlab.com
53 KB
1 googletagmanager.com
www.googletagmanager.com
28 KB
1 google-analytics.com
www.google-analytics.com
18 KB
14 3
Domain Requested by
13 www.rarlab.com 1 redirects www.rarlab.com
1 www.googletagmanager.com www.rarlab.com
1 www.google-analytics.com www.rarlab.com
14 3

This site contains links to these domains. Also see Links.

Domain
www.win-rar.com
play.google.com
Subject Issuer Validity Valid
rarlab.com
Let's Encrypt Authority X3
2020-07-04 -
2020-10-02
3 months crt.sh
*.google-analytics.com
GTS CA 1O1
2020-06-30 -
2020-09-22
3 months crt.sh

This page contains 1 frames:

Primary Page: https://www.rarlab.com/
Frame ID: 841A8C482B0A4082EEDDDC6F0B3EEA88
Requests: 14 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. http://www.rarlab.com/ HTTP 301
    https://www.rarlab.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /(?:Apache(?:$|\/([\d.]+)|[^/-])|(?:^|\b)HTTPD)/i

Page Statistics

14
Requests

100 %
HTTPS

67 %
IPv6

3
Domains

3
Subdomains

3
IPs

1
Countries

99 kB
Transfer

253 kB
Size

3
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://www.rarlab.com/ HTTP 301
    https://www.rarlab.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

14 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.rarlab.com/
Redirect Chain
  • http://www.rarlab.com/
  • https://www.rarlab.com/
13 KB
4 KB
Document
General
Full URL
https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
5ed615942b3e05e77dc292b231e4e35ec45312b9fd1a92dd4f1cd83d2ff0c601
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

:method
GET
:authority
www.rarlab.com
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

status
200
date
Fri, 17 Jul 2020 03:26:16 GMT
server
Apache
accept-ranges
bytes
vary
Accept-Encoding
content-encoding
gzip
cache-control
max-age=30
expires
Fri, 17 Jul 2020 03:26:46 GMT
content-length
3994
content-type
text/html; charset=UTF-8
strict-transport-security
max-age=31536000;

Redirect headers

content-length
0
location
https://www.rarlab.com/
style.css
www.rarlab.com/
4 KB
1 KB
Stylesheet
General
Full URL
https://www.rarlab.com/style.css
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
09f290726a3402ed63ac47267c40288b755b1928e8912252be2cf0821f3c2326
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Wed, 01 Apr 2015 22:52:36 GMT
server
Apache
etag
"1019-512b192441500-gzip"
vary
Accept-Encoding
content-type
text/css
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
960
expires
Sun, 19 Jul 2020 03:26:16 GMT
lc_switch.css
www.rarlab.com/css/
2 KB
933 B
Stylesheet
General
Full URL
https://www.rarlab.com/css/lc_switch.css?20170725
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
4e6ceb3b57e4123cb6c2bceaad8c20e4abfd4eda551c053bc0990d3a730f5663
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Wed, 25 Apr 2018 14:08:18 GMT
server
Apache
etag
"74c-56aaccd83a56a-gzip"
vary
Accept-Encoding
content-type
text/css
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
698
expires
Sun, 19 Jul 2020 03:26:16 GMT
ck.css
www.rarlab.com/css/
1 KB
735 B
Stylesheet
General
Full URL
https://www.rarlab.com/css/ck.css?20170725
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
e2e4015215859bb0447d8ac99a3cad7bdb6e750d955391f62b85a5e75082f599
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Tue, 25 Jul 2017 13:49:46 GMT
server
Apache
etag
"56a-555249ab43123-gzip"
vary
Accept-Encoding
content-type
text/css
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
500
expires
Sun, 19 Jul 2020 03:26:16 GMT
jquery.js
www.rarlab.com/js/
94 KB
33 KB
Script
General
Full URL
https://www.rarlab.com/js/jquery.js
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
329ab92b9276ef4e3148f69be6b208969bebdf2db3121a589caa172453fd9f10
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Mon, 05 Oct 2015 06:14:21 GMT
server
Apache
etag
"176d4-521556c956467-gzip"
vary
Accept-Encoding
content-type
application/javascript
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
33277
expires
Sun, 19 Jul 2020 03:26:16 GMT
zyaddr.js
www.rarlab.com/
493 B
511 B
Script
General
Full URL
https://www.rarlab.com/zyaddr.js
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
a853e31ed4cbc05b3d6fa4892f44703a30ae8101a7bd2aa2ff6671cb9bfdec7a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Wed, 25 Apr 2018 14:08:50 GMT
server
Apache
etag
"1ed-56aaccf6eddf8-gzip"
vary
Accept-Encoding
content-type
application/javascript
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
262
expires
Sun, 19 Jul 2020 03:26:16 GMT
checkmark.png
www.rarlab.com/images/
393 B
601 B
Image
General
Full URL
https://www.rarlab.com/images/checkmark.png
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
849974add9efa1f4cba7ba2c1c371c09584cc5dc5eb774c229c61f95c86f39a8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
last-modified
Thu, 12 May 2011 17:10:49 GMT
server
Apache
etag
"189-4a317454b9840"
strict-transport-security
max-age=31536000;
content-type
image/png
status
200
cache-control
max-age=172800
accept-ranges
bytes
content-length
393
expires
Sun, 19 Jul 2020 03:26:16 GMT
gudl.js
www.rarlab.com/
164 B
391 B
Script
General
Full URL
https://www.rarlab.com/gudl.js?20151028
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
b6db75a24b6a60eadd2becf2ac607a8985f64a20f729bd0b4e2840babdd16239
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Thu, 29 Oct 2015 14:23:24 GMT
server
Apache
etag
"a4-5233f0dca1682-gzip"
vary
Accept-Encoding
content-type
application/javascript
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
143
expires
Sun, 19 Jul 2020 03:26:16 GMT
gu.js
www.rarlab.com/
151 B
378 B
Script
General
Full URL
https://www.rarlab.com/gu.js?20151028
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
e6cf4292cfe61883d497100876f6ca39f8987ab3f2abb8b1ed40a42eaeba0d59
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Thu, 29 Oct 2015 14:23:31 GMT
server
Apache
etag
"97-5233f0e377ebf-gzip"
vary
Accept-Encoding
content-type
application/javascript
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
130
expires
Sun, 19 Jul 2020 03:26:16 GMT
ckrule.js
www.rarlab.com/js/
15 KB
4 KB
Script
General
Full URL
https://www.rarlab.com/js/ckrule.js?20170529
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
31e5f0d0bd64510e9d71bbb57ca65b674ed655f839fb4def57bea7d426a647c0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Wed, 25 Apr 2018 14:07:56 GMT
server
Apache
etag
"3db6-56aaccc398bca-gzip"
vary
Accept-Encoding
content-type
application/javascript
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
4108
expires
Sun, 19 Jul 2020 03:26:16 GMT
analytics.js
www.google-analytics.com/
45 KB
18 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:816::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
fd361b57998c76f86335afa28b8a62527d88a8200fb5c428d6f0fff73383e955
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 04 Jun 2020 23:38:14 GMT
server
Golfe2
age
4237
date
Fri, 17 Jul 2020 02:15:39 GMT
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=7200
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-25=":443"; ma=2592000,h3-T050=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
18469
expires
Fri, 17 Jul 2020 04:15:39 GMT
gtm.js
www.googletagmanager.com/
71 KB
28 KB
Script
General
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-NFNHQ6
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
95fa9a0be2e7d94df18cbf10e6ec6d92f651415b893f3800500862a8c548f056
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Referer
https://www.rarlab.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
br
vary
Accept-Encoding
status
200
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-25=":443"; ma=2592000,h3-T050=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
28635
x-xss-protection
0
last-modified
Fri, 17 Jul 2020 03:00:00 GMT
server
Google Tag Manager
strict-transport-security
max-age=31536000; includeSubDomains
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Fri, 17 Jul 2020 03:26:16 GMT
rarlablogosmall.gif
www.rarlab.com/images/
3 KB
3 KB
Image
General
Full URL
https://www.rarlab.com/images/rarlablogosmall.gif
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
9800f04ad09e8617327d0a36b8f9ce72f7be15a3026e6b07e7888f1b688c647a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/style.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
last-modified
Tue, 18 Feb 2014 17:20:40 GMT
server
Apache
etag
"a77-4f2b17dc46a00"
strict-transport-security
max-age=31536000;
content-type
image/gif
status
200
cache-control
max-age=172800
accept-ranges
bytes
content-length
2679
expires
Sun, 19 Jul 2020 03:26:16 GMT
style.css
www.rarlab.com/
4 KB
4 KB
Image
General
Full URL
https://www.rarlab.com/style.css
Requested by
Host: www.rarlab.com
URL: https://www.rarlab.com/
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
5.135.104.98 Berlin, Germany, ASN16276 (OVH, FR),
Reverse DNS
www.rarlab.com
Software
Apache /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000;

Request headers

Referer
https://www.rarlab.com/style.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 17 Jul 2020 03:26:16 GMT
content-encoding
gzip
last-modified
Wed, 01 Apr 2015 22:52:36 GMT
server
Apache
etag
"1019-512b192441500-gzip"
vary
Accept-Encoding
content-type
text/css
status
200
cache-control
max-age=172800
strict-transport-security
max-age=31536000;
accept-ranges
bytes
content-length
960
expires
Sun, 19 Jul 2020 03:26:16 GMT

Verdicts & Comments Add Verdict or Comment

45 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.

function| $ function| jQuery string| gaAccount string| GoogleAnalyticsObject function| ga object| dataLayer function| px function| mx function| getHostName function| getDomain function| gaOptout function| gaOptoutSwitchToOff function| gaOptin function| show_hide_content function| event_init function| delete_cookie function| deactivate_cookie function| getCookieVal function| event_ga_deactivate function| init function| setSessionCookie function| setDisclaimerCookie function| closeAdvert function| setCookie function| getCookie function| getCookieSupport function| getBrowserCookieStatus function| delAllCookies boolean| isCkLink string| gaProperty string| domainW string| urlPs string| domainPoint number| isLoaded string| disableStr string| existCookie string| ckDcName string| existDc string| ckDivName string| exCk object| google_tag_data object| gaplugins object| gaGlobal object| gaData object| google_tag_manager

3 Cookies

Domain/Path Name / Value
.rarlab.com/ Name: _gid
Value: GA1.2.2032727125.1594956376
.rarlab.com/ Name: _ga
Value: GA1.2.2104942428.1594956376
.rarlab.com/ Name: cookieDisclaimer
Value: 0

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=31536000;