Submitted URL: http://gdpuphotography.co.uk/PDF_Test_File.pdf
Effective URL: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Submission: On February 03 via manual from GB — Scanned from GB

Summary

This website contacted 5 IPs in 4 countries across 5 domains to perform 11 HTTP transactions. The main IP is 162.13.209.138, located in United Kingdom and belongs to RACKSPACE-LON, GB. The main domain is www.gdpuphotography.co.uk.
TLS certificate: Issued by R3 on January 9th 2023. Valid for: 3 months.
This is the only time www.gdpuphotography.co.uk was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 5 162.13.209.138 15395 (RACKSPACE...)
3 134.213.2.167 15395 (RACKSPACE...)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 1 13.224.194.218 16509 (AMAZON-02)
2 2a00:1450:400... 15169 (GOOGLE)
11 5
Apex Domain
Subdomains
Transfer
5 gdpuphotography.co.uk
gdpuphotography.co.uk
www.gdpuphotography.co.uk
27 KB
3 clikpic.com
www.clikpic.com
176 KB
2 gstatic.com
fonts.gstatic.com
69 KB
2 googleapis.com
ajax.googleapis.com — Cisco Umbrella Rank: 295
fonts.googleapis.com — Cisco Umbrella Rank: 34
35 KB
1 cloudfront.net
duau18opsnf8i.cloudfront.net
429 B
11 5
Domain Requested by
4 www.gdpuphotography.co.uk www.gdpuphotography.co.uk
3 www.clikpic.com www.gdpuphotography.co.uk
www.clikpic.com
2 fonts.gstatic.com fonts.googleapis.com
1 duau18opsnf8i.cloudfront.net 1 redirects
1 fonts.googleapis.com www.clikpic.com
1 ajax.googleapis.com www.gdpuphotography.co.uk
1 gdpuphotography.co.uk 1 redirects
11 7

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

Domain
www.clikpic.com
Subject Issuer Validity Valid
gdpuphotography.co.uk
R3
2023-01-09 -
2023-04-09
3 months crt.sh
*.clikpic.com
Go Daddy Secure Certificate Authority - G2
2022-10-18 -
2023-10-20
a year crt.sh
upload.video.google.com
GTS CA 1C3
2023-01-09 -
2023-04-03
3 months crt.sh
*.gstatic.com
GTS CA 1C3
2023-01-09 -
2023-04-03
3 months crt.sh

This page contains 1 frames:

Primary Page: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Frame ID: B5E39649CFF4C82C4C4F490F22D76077
Requests: 11 HTTP requests in this frame

Screenshot

Page Title

Page Not Found

Page URL History Show full URLs

  1. http://gdpuphotography.co.uk/PDF_Test_File.pdf HTTP 301
    https://www.gdpuphotography.co.uk/PDF_Test_File.pdf Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • /([\d.]+)/jquery(?:\.min)?\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Overall confidence: 100%
Detected patterns
  • jquery[.-]migrate(?:-([\d.]+))?(?:\.min)?\.js(?:\?ver=([\d.]+))?

Page Statistics

11
Requests

91 %
HTTPS

50 %
IPv6

5
Domains

7
Subdomains

5
IPs

4
Countries

306 kB
Transfer

410 kB
Size

1
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://gdpuphotography.co.uk/PDF_Test_File.pdf HTTP 301
    https://www.gdpuphotography.co.uk/PDF_Test_File.pdf Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 7
  • https://duau18opsnf8i.cloudfront.net/_graphics/infolist_item_bg.gif HTTP 301
  • https://www.clikpic.com/_graphics/infolist_item_bg.gif

11 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request PDF_Test_File.pdf
www.gdpuphotography.co.uk/
Redirect Chain
  • http://gdpuphotography.co.uk/PDF_Test_File.pdf
  • https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
8 KB
8 KB
Document
General
Full URL
https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.13.209.138 , United Kingdom, ASN15395 (RACKSPACE-LON, GB),
Reverse DNS
farm4.clik.com
Software
Apache /
Resource Hash
7eadbf4b54deab23cfa7e6a4bf3b28f96410184655a9ada66e448b2ba5751b04
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

Connection
Keep-Alive
Content-Type
text/html; charset=UTF-8
Date
Fri, 03 Feb 2023 18:56:11 GMT
Keep-Alive
timeout=5, max=100
Server
Apache
Transfer-Encoding
chunked
X-Content-Type-Options
nosniff

Redirect headers

Connection
Keep-Alive
Content-Length
259
Content-Type
text/html; charset=iso-8859-1
Date
Fri, 03 Feb 2023 18:56:11 GMT
Keep-Alive
timeout=5, max=99
Location
https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Server
Apache
style.css
www.clikpic.com/clikpic/
173 KB
173 KB
Stylesheet
General
Full URL
https://www.clikpic.com/clikpic/style.css
Requested by
Host: www.gdpuphotography.co.uk
URL: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
134.213.2.167 Meiningen, Germany, ASN15395 (RACKSPACE-LON, GB),
Reverse DNS
clikpic.com
Software
nginx /
Resource Hash
d20ccd109b059670a62a9fa04b7e5b705da23d657aef2904cc57c6675eba024c

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.gdpuphotography.co.uk/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Fri, 03 Feb 2023 18:56:12 GMT
last-modified
Fri, 05 Apr 2019 13:01:03 GMT
server
nginx
accept-ranges
bytes
etag
"5ca7518f-2b35a"
content-length
176986
content-type
text/css
clikpic_logo.png
www.clikpic.com/clikpic/images/_graphics/
2 KB
2 KB
Image
General
Full URL
https://www.clikpic.com/clikpic/images/_graphics/clikpic_logo.png
Requested by
Host: www.gdpuphotography.co.uk
URL: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
134.213.2.167 Meiningen, Germany, ASN15395 (RACKSPACE-LON, GB),
Reverse DNS
clikpic.com
Software
nginx /
Resource Hash
fe1d452ae2a77e277035cdcea232e90e74ac66362b5836e94e556c69e3532e9f

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.gdpuphotography.co.uk/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Fri, 03 Feb 2023 18:56:12 GMT
last-modified
Mon, 25 Feb 2019 12:33:33 GMT
server
nginx
accept-ranges
bytes
etag
"5c73e09d-811"
content-length
2065
content-type
image/png
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/1.11.3/
94 KB
33 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js
Requested by
Host: www.gdpuphotography.co.uk
URL: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:811::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
aec3d419d50f05781a96f223e18289aeb52598b5db39be82a7b71dc67d6a7947
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.gdpuphotography.co.uk/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Fri, 03 Feb 2023 14:32:24 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
15828
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
33507
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 19:15:00 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="hosted-libraries-pushers"
vary
Accept-Encoding
report-to
{"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Sat, 03 Feb 2024 14:32:24 GMT
jquery-migrate-1.2.1.min.js
www.gdpuphotography.co.uk/_common/_scripts/_min/
7 KB
3 KB
Script
General
Full URL
https://www.gdpuphotography.co.uk/_common/_scripts/_min/jquery-migrate-1.2.1.min.js
Requested by
Host: www.gdpuphotography.co.uk
URL: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.13.209.138 , United Kingdom, ASN15395 (RACKSPACE-LON, GB),
Reverse DNS
farm4.clik.com
Software
Apache /
Resource Hash
19092a2ecd9c6228760901189fe2f715c3ef84f15187dd9d3ba0215c576b585f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Fri, 03 Feb 2023 18:56:11 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Last-Modified
Wed, 01 Sep 2021 14:58:55 GMT
Server
Apache
ETag
"1c05-5caf04e257792-gzip"
Vary
Accept-Encoding
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
3015
jquery.clikUtils_v7.min.js
www.gdpuphotography.co.uk/_common/_scripts/_min/
42 KB
14 KB
Script
General
Full URL
https://www.gdpuphotography.co.uk/_common/_scripts/_min/jquery.clikUtils_v7.min.js
Requested by
Host: www.gdpuphotography.co.uk
URL: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.13.209.138 , United Kingdom, ASN15395 (RACKSPACE-LON, GB),
Reverse DNS
farm4.clik.com
Software
Apache /
Resource Hash
5fe956bd3c29d2916a6a8c6ac00236702093fdc28d745a330b6ec231ea2cfe1c
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Fri, 03 Feb 2023 18:56:11 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Last-Modified
Wed, 01 Sep 2021 14:58:55 GMT
Server
Apache
ETag
"a9ae-5caf04e25a673-gzip"
Vary
Accept-Encoding
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
13720
clik.default.pack.js
www.gdpuphotography.co.uk/_common/_scripts/_min/
3 KB
1 KB
Script
General
Full URL
https://www.gdpuphotography.co.uk/_common/_scripts/_min/clik.default.pack.js
Requested by
Host: www.gdpuphotography.co.uk
URL: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.13.209.138 , United Kingdom, ASN15395 (RACKSPACE-LON, GB),
Reverse DNS
farm4.clik.com
Software
Apache /
Resource Hash
c541669a2e1187abca5a51f3a1e9f93fc34ae2fa1e78001c019b10efc15b890a
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Fri, 03 Feb 2023 18:56:11 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Last-Modified
Wed, 01 Sep 2021 14:58:55 GMT
Server
Apache
ETag
"d91-5caf04e2567f2-gzip"
Vary
Accept-Encoding
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
1155
css
fonts.googleapis.com/
12 KB
1 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:regular,bold,bolditalic,italic|Catamaran:regular,bold
Requested by
Host: www.clikpic.com
URL: https://www.clikpic.com/clikpic/style.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400d:802::200a , Ireland, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
0fc627617cf9615db597986e9eb03760944dfd4b1923a8f05d71efbd05885945
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.clikpic.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Fri, 03 Feb 2023 18:56:12 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 03 Feb 2023 18:56:12 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 03 Feb 2023 18:56:12 GMT
infolist_item_bg.gif
www.clikpic.com/_graphics/
Redirect Chain
  • https://duau18opsnf8i.cloudfront.net/_graphics/infolist_item_bg.gif
  • https://www.clikpic.com/_graphics/infolist_item_bg.gif
308 B
368 B
Image
General
Full URL
https://www.clikpic.com/_graphics/infolist_item_bg.gif
Requested by
Host: www.clikpic.com
URL: https://www.clikpic.com/clikpic/style.css
Protocol
H2
Server
134.213.2.167 Meiningen, Germany, ASN15395 (RACKSPACE-LON, GB),
Reverse DNS
clikpic.com
Software
nginx /
Resource Hash
1e35bbd8a6ba6d59b1379b1d2a80748cc9a4d4b88ac9a5c2e6eb8bea44a5a4cf

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.clikpic.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Fri, 03 Feb 2023 18:56:12 GMT
last-modified
Mon, 25 Feb 2019 12:33:33 GMT
server
nginx
accept-ranges
bytes
etag
"5c73e09d-134"
content-length
308
content-type
image/gif

Redirect headers

Date
Fri, 03 Feb 2023 04:19:34 GMT
Via
1.1 dde0b4b1e223fa23670e93078a04c116.cloudfront.net (CloudFront)
Server
nginx
X-Amz-Cf-Pop
FRA2-C1
Age
52598
X-Cache
Hit from cloudfront
Content-Type
text/html
Location
https://www.clikpic.com/_graphics/infolist_item_bg.gif
Connection
keep-alive
Content-Length
178
X-Amz-Cf-Id
ry2bxL6bzoA5j-EAgUUmGbxc023-bKpBne-Xuz-u7RnlczVBU9msUg==
o-0mIpQoyXQa2RxT7-5B6Ryxs2E_6n1iPHjct6L1SoM-jCpoiyAaBO9a6VI.woff2
fonts.gstatic.com/s/catamaran/v17/
25 KB
25 KB
Font
General
Full URL
https://fonts.gstatic.com/s/catamaran/v17/o-0mIpQoyXQa2RxT7-5B6Ryxs2E_6n1iPHjct6L1SoM-jCpoiyAaBO9a6VI.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans:regular,bold,bolditalic,italic|Catamaran:regular,bold
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400d:808::2003 , Ireland, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
46b4f3e63e7ef052090058e98436f81c8a11220e8dea0843bb92f3c00ab162dd
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://www.gdpuphotography.co.uk
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Sat, 28 Jan 2023 20:11:39 GMT
x-content-type-options
nosniff
age
513873
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
25104
x-xss-protection
0
last-modified
Fri, 24 Jun 2022 18:44:21 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 28 Jan 2024 20:11:39 GMT
memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
fonts.gstatic.com/s/opensans/v34/
44 KB
44 KB
Font
General
Full URL
https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans:regular,bold,bolditalic,italic|Catamaran:regular,bold
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400d:808::2003 , Ireland, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
8778e9af2422858d7052ff9a0f3c12c08ae976bdd6e0316db144cd5579cd97db
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://www.gdpuphotography.co.uk
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Fri, 03 Feb 2023 08:26:15 GMT
x-content-type-options
nosniff
age
37797
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
44856
x-xss-protection
0
last-modified
Mon, 15 Aug 2022 18:20:18 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sat, 03 Feb 2024 08:26:15 GMT

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.

object| oncontentvisibilityautostatechange object| clik function| $ function| jQuery function| partial function| partialWithScope function| objToArray number| countScroll number| countThrottled object| jQuery1113027322805422848817

1 Cookies

Domain/Path Name / Value
gdpuphotography.co.uk/ Name: X-Mapping-fjhppofk
Value: 73A7ECF6763E027FEE48104094ACEE15

1 Console Messages

Source Level URL
Text
network error URL: https://www.gdpuphotography.co.uk/PDF_Test_File.pdf
Message:
Failed to load resource: the server responded with a status of 404 (Not Found)

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
X-Content-Type-Options nosniff