Submitted URL: https://kellyservices.force.com/
Effective URL: https://kellyservices.force.com/login
Submission: On March 26 via api from US

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 12 HTTP transactions. The main IP is 13.110.8.188, located in United States and belongs to SALESFORCE, US. The main domain is kellyservices.force.com.
TLS certificate: Issued by DigiCert SHA2 Secure Server CA on December 14th 2020. Valid for: a year.
This is the only time kellyservices.force.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
12 13.110.8.188 14340 (SALESFORCE)
12 1
Apex Domain
Subdomains
Transfer
12 force.com
kellyservices.force.com
63 KB
12 1
Domain Requested by
12 kellyservices.force.com kellyservices.force.com
12 1

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

Domain
kelly.my.salesforce.com
Subject Issuer Validity Valid
*.na91.force.com
DigiCert SHA2 Secure Server CA
2020-12-14 -
2021-12-09
a year crt.sh

This page contains 1 frames:

Primary Page: https://kellyservices.force.com/login
Frame ID: 081980C8E9D00E6EB6D9B7C442EC6C59
Requests: 12 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. https://kellyservices.force.com/ Page URL
  2. https://kellyservices.force.com/login Page URL

Page Statistics

12
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

63 kB
Transfer

98 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. https://kellyservices.force.com/ Page URL
  2. https://kellyservices.force.com/login Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

12 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Cookie set /
kellyservices.force.com/
491 B
1 KB
Document
General
Full URL
https://kellyservices.force.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/ Salesforce.com ApexPages
Resource Hash
58529908f60e49887f735883a83765901f398e370712eaaec9c85aeb597e8e67
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Host
kellyservices.force.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Fri, 26 Mar 2021 07:30:38 GMT
X-Content-Type-Options
nosniff
X-XSS-Protection
1; mode=block
Content-Security-Policy
upgrade-insecure-requests
Referrer-Policy
origin-when-cross-origin
Cache-Control
no-cache,must-revalidate,max-age=0,no-store,private
Set-Cookie
BrowserId=KSyUNo4FEeufAHmPM-Vz-w; domain=.force.com; path=/; expires=Sat, 26-Mar-2022 07:30:38 GMT; Max-Age=31536000 BrowserId_sec=KSyUNo4FEeufAHmPM-Vz-w; domain=.force.com; path=/; expires=Sat, 26-Mar-2022 07:30:38 GMT; Max-Age=31536000; secure; SameSite=None
X-Powered-By
Salesforce.com ApexPages
P3P
CP="CUR OTR STA"
Content-Type
text/html;charset=UTF-8
Vary
Accept-Encoding
Content-Encoding
gzip
Transfer-Encoding
chunked
Primary Request Cookie set login
kellyservices.force.com/
8 KB
3 KB
Document
General
Full URL
https://kellyservices.force.com/login
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
72e28a3e426cab17482bdd8f3277205fcf4486bdf720f71c97570c5c9fb479e7
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 1; mode=block

Request headers

Host
kellyservices.force.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site
same-origin
Sec-Fetch-Mode
navigate
Sec-Fetch-Dest
document
Referer
https://kellyservices.force.com/
Accept-Encoding
gzip, deflate, br
Accept-Language
en-US
Cookie
BrowserId=KSyUNo4FEeufAHmPM-Vz-w; BrowserId_sec=KSyUNo4FEeufAHmPM-Vz-w
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Referer
https://kellyservices.force.com/

Response headers

Date
Fri, 26 Mar 2021 07:30:38 GMT
X-Content-Type-Options
nosniff
X-XSS-Protection
1; mode=block
Content-Security-Policy
upgrade-insecure-requests
Referrer-Policy
origin-when-cross-origin
Cache-Control
no-cache,must-revalidate,max-age=0,no-store,private
Content-Type
text/html; charset=UTF-8
Set-Cookie
QCQQ=XxHlHOe9Ibh; domain=kellyservices.force.com; path=/; secure; SameSite=None
Expires
Thu, 01 Jan 1970 00:00:00 GMT
X-FRAME-OPTIONS
DENY
Vary
Accept-Encoding
Content-Encoding
gzip
Transfer-Encoding
chunked
sfdc_210.css
kellyservices.force.com/css/
15 KB
4 KB
Stylesheet
General
Full URL
https://kellyservices.force.com/css/sfdc_210.css
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/login
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
6effaae73ce83316d1356ea984e417519743bce7a23982f053b1b8ec82135dae
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Wed, 17 Mar 2021 03:35:16 GMT
Content-Encoding
gzip
Referrer-Policy
origin-when-cross-origin
Last-Modified
Tue, 23 May 2017 21:11:38 GMT
Age
791722
Expect-CT
max-age=86400, report-uri="https://a.forcesslreports.com/Expect-CT-report/00D300000000Q7wm"
Vary
Accept-Encoding
Content-Type
text/css
Cache-Control
public,max-age=10368000
X-Content-Type-Options
nosniff
Accept-Ranges
bytes
Content-Length
3702
X-XSS-Protection
1; mode=block
Expires
Thu, 15 Jul 2021 03:35:16 GMT
SfdcSessionBase208.js
kellyservices.force.com/jslibrary/
16 KB
6 KB
Script
General
Full URL
https://kellyservices.force.com/jslibrary/SfdcSessionBase208.js
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/login
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
b77235b3019fb2cbfa81aa3ab3310b5ed4e09e28085ae21768d6cf4e9411273a
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Wed, 17 Mar 2021 03:35:16 GMT
Content-Encoding
gzip
Referrer-Policy
origin-when-cross-origin
Last-Modified
Mon, 15 Mar 2021 20:21:28 GMT
Age
791722
Expect-CT
max-age=86400, report-uri="https://a.forcesslreports.com/Expect-CT-report/00D300000000Q7wm"
Vary
Accept-Encoding
Content-Type
application/x-javascript
Cache-Control
public,max-age=10368000
X-Content-Type-Options
nosniff
Accept-Ranges
bytes
Content-Length
5909
X-XSS-Protection
1; mode=block
Expires
Thu, 15 Jul 2021 03:35:16 GMT
LoginHint208.js
kellyservices.force.com/jslibrary/
19 KB
6 KB
Script
General
Full URL
https://kellyservices.force.com/jslibrary/LoginHint208.js
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/login
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
f9cd7471411fc60aeb59674805af6eab010b8a058cbf4f3a9640a852cdeb424b
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Wed, 17 Mar 2021 03:35:03 GMT
Content-Encoding
gzip
Referrer-Policy
origin-when-cross-origin
Last-Modified
Mon, 15 Mar 2021 20:21:28 GMT
Age
791735
Expect-CT
max-age=86400, report-uri="https://a.forcesslreports.com/Expect-CT-report/00D300000000Q7wm"
Vary
Accept-Encoding
Content-Type
application/x-javascript
Cache-Control
public,max-age=10368000
X-Content-Type-Options
nosniff
Accept-Ranges
bytes
Content-Length
6031
X-XSS-Protection
1; mode=block
Expires
Thu, 15 Jul 2021 03:35:03 GMT
servlet.ImageServer
kellyservices.force.com/servlet/
11 KB
11 KB
Image
General
Full URL
https://kellyservices.force.com/servlet/servlet.ImageServer?id=0152E000002mIJF&oid=00D300000000Q7w&lastMod=1584134996000
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/login
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
1d54b66a24b4bf8c76211ac772a6ba51d02b47cad405b8434726811e9d179544
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Wed, 17 Mar 2021 03:35:03 GMT
Referrer-Policy
origin-when-cross-origin
Last-Modified
Fri, 13 Mar 2020 21:29:56 GMT
Age
791735
Expect-CT
max-age=86400, report-uri="https://a.forcesslreports.com/Expect-CT-report/00D300000000Q7wm"
Content-Type
image/png
Cache-Control
public,max-age=31536000
X-Content-Type-Options
nosniff
Content-Security-Policy
upgrade-insecure-requests
Content-Length
11033
X-XSS-Protection
1; mode=block
Expires
Thu, 17 Mar 2022 03:35:03 GMT
clear.png
kellyservices.force.com/img/
477 B
953 B
Image
General
Full URL
https://kellyservices.force.com/img/clear.png
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/login
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
dd464055be78eadee2d5d3ecc5380600b788883e462d9e77372877dc04110e6d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Wed, 17 Mar 2021 04:29:23 GMT
Referrer-Policy
origin-when-cross-origin
Last-Modified
Thu, 21 May 2015 20:40:36 GMT
Age
788475
Expect-CT
max-age=86400, report-uri="https://a.forcesslreports.com/Expect-CT-report/00D300000000Q7wm"
Content-Type
image/png
Cache-Control
public,max-age=10368000
X-Content-Type-Options
nosniff
Accept-Ranges
bytes
Content-Length
477
X-XSS-Protection
1; mode=block
Expires
Thu, 15 Jul 2021 04:29:23 GMT
baselogin.js
kellyservices.force.com/jslibrary/
640 B
983 B
Script
General
Full URL
https://kellyservices.force.com/jslibrary/baselogin.js
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/login
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
b7969e630336eef9c5e7c4dfdf863f0d34d0b2dc67a068080cf7807d23adcf94
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Wed, 17 Mar 2021 04:29:23 GMT
Content-Encoding
gzip
Referrer-Policy
origin-when-cross-origin
Last-Modified
Mon, 15 Mar 2021 20:21:28 GMT
Age
788475
Expect-CT
max-age=86400, report-uri="https://a.forcesslreports.com/Expect-CT-report/00D300000000Q7wm"
Vary
Accept-Encoding
Content-Type
application/x-javascript
Cache-Control
public,max-age=10368000
X-Content-Type-Options
nosniff
Accept-Ranges
bytes
Content-Length
445
X-XSS-Protection
1; mode=block
Expires
Thu, 15 Jul 2021 04:29:23 GMT
1386
kellyservices.force.com/marketing/survey/survey1/
0
0
Script
General
Full URL
https://kellyservices.force.com/marketing/survey/survey1/1386
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/login
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/ Salesforce.com ApexPages
Resource Hash
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Content-Security-Policy
upgrade-insecure-requests
Referrer-Policy
origin-when-cross-origin
X-Powered-By
Salesforce.com ApexPages
Transfer-Encoding
chunked
P3P
CP="CUR OTR STA"
X-XSS-Protection
1; mode=block
Cache-Control
no-cache,must-revalidate,max-age=0,no-store,private
Content-Type
text/html;charset=UTF-8
X-Content-Type-Options
nosniff
Expires
Thu, 01 Jan 1970 00:00:00 GMT
1386
kellyservices.force.com/marketing/survey/survey4/
0
0
Script
General
Full URL
https://kellyservices.force.com/marketing/survey/survey4/1386
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/login
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/ Salesforce.com ApexPages
Resource Hash
Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Content-Security-Policy
upgrade-insecure-requests
Referrer-Policy
origin-when-cross-origin
X-Powered-By
Salesforce.com ApexPages
Transfer-Encoding
chunked
P3P
CP="CUR OTR STA"
X-XSS-Protection
1; mode=block
Cache-Control
no-cache,must-revalidate,max-age=0,no-store,private
Content-Type
text/html;charset=UTF-8
X-Content-Type-Options
nosniff
Expires
Thu, 01 Jan 1970 00:00:00 GMT
SalesforceSans-Regular.woff2
kellyservices.force.com/login/assets/fonts/SalesforceSans/
27 KB
27 KB
Font
General
Full URL
https://kellyservices.force.com/login/assets/fonts/SalesforceSans/SalesforceSans-Regular.woff2
Requested by
Host: kellyservices.force.com
URL: https://kellyservices.force.com/css/sfdc_210.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
1f1752651aca663f40e45c60e182172fc426a40df042098f6e68a56db2c459f3
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Origin
https://kellyservices.force.com
Referer
https://kellyservices.force.com/css/sfdc_210.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Wed, 17 Mar 2021 03:54:36 GMT
Referrer-Policy
origin-when-cross-origin
Last-Modified
Fri, 24 Jul 2015 20:32:56 GMT
Age
790562
Expect-CT
max-age=86400, report-uri="https://a.forcesslreports.com/Expect-CT-report/00D300000000Q7wm"
Content-Type
font/woff2
Cache-Control
public,max-age=10368000
X-Content-Type-Options
nosniff
Accept-Ranges
bytes
Content-Length
27580
X-XSS-Protection
1; mode=block
Expires
Thu, 15 Jul 2021 03:54:36 GMT
capslock_blue.png
kellyservices.force.com/img/icon/
559 B
1 KB
Image
General
Full URL
https://kellyservices.force.com/img/icon/capslock_blue.png
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.110.8.188 , United States, ASN14340 (SALESFORCE, US),
Reverse DNS
dcl2-ncg0-iad3.na91-ia2.force.com
Software
/
Resource Hash
02c47d1fb4a92fd6eca59ed828b0d0d7a8ef8285688bd27f36b1e003ffa9a52c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://kellyservices.force.com/login
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Wed, 17 Mar 2021 06:48:29 GMT
Referrer-Policy
origin-when-cross-origin
Last-Modified
Sun, 30 Jun 2019 10:26:54 GMT
Age
780129
Expect-CT
max-age=86400, report-uri="https://a.forcesslreports.com/Expect-CT-report/00D300000000Q7wm"
Content-Type
image/png
Cache-Control
public,max-age=10368000
X-Content-Type-Options
nosniff
Accept-Ranges
bytes
Content-Length
559
X-XSS-Protection
1; mode=block
Expires
Thu, 15 Jul 2021 06:48:29 GMT

Verdicts & Comments Add Verdict or Comment

20 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| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes boolean| crossOriginIsolated object| SFDCSessionVars function| SfdcFramework object| Sfdc object| SfdcApp object| DomainSwitcher object| IdpOptions object| LoginHint function| loader function| checkCaps function| handleLogin function| lazyload

3 Cookies

Domain/Path Name / Value
.kellyservices.force.com/ Name: QCQQ
Value: XxHlHOe9Ibh
.force.com/ Name: BrowserId_sec
Value: KSyUNo4FEeufAHmPM-Vz-w
.force.com/ Name: BrowserId
Value: KSyUNo4FEeufAHmPM-Vz-w

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
Content-Security-Policy upgrade-insecure-requests
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block