Submitted URL: http://www.nber.org//books/-and/-chapters//nber/-macroeconomics/-annual/-2021/-volume/-36
Effective URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Submission: On September 19 via api from US — Scanned from CA

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 15 HTTP transactions. The main IP is 198.71.6.22, located in United States and belongs to NBER-AS, US. The main domain is www2.nber.org. The Cisco Umbrella rank of the primary domain is 898877.
TLS certificate: Issued by GeoTrust TLS RSA CA G1 on June 20th 2024. Valid for: a year.
This is the only time www2.nber.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 2 2620:12a:8001::2 54113 (FASTLY)
15 198.71.6.22 26287 (NBER-AS)
15 1
Apex Domain
Subdomains
Transfer
17 nber.org
www.nber.org — Cisco Umbrella Rank: 327642
www2.nber.org — Cisco Umbrella Rank: 898877
2 MB
15 1
Domain Requested by
15 www2.nber.org www2.nber.org
2 www.nber.org 2 redirects
15 2

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

Domain
www.nber.org
my.nber.org
Subject Issuer Validity Valid
*.nber.org
GeoTrust TLS RSA CA G1
2024-06-20 -
2025-06-19
a year crt.sh

This page contains 1 frames:

Primary Page: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Frame ID: 2C597713B91AB1ECBA0EC05CAC76514F
Requests: 15 HTTP requests in this frame

Screenshot

Page Title

Page Not Found - MyNBER

Page URL History Show full URLs

  1. http://www.nber.org//books/-and/-chapters//nber/-macroeconomics/-annual/-2021/-volume/-36 HTTP 307
    https://www.nber.org//books/-and/-chapters//nber/-macroeconomics/-annual/-2021/-volume/-36 HTTP 302
    https://www.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36 HTTP 301
    https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36 Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/ns\.html[^>]+></iframe>

Page Statistics

15
Requests

100 %
HTTPS

50 %
IPv6

1
Domains

2
Subdomains

1
IPs

1
Countries

2115 kB
Transfer

2107 kB
Size

0
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.nber.org//books/-and/-chapters//nber/-macroeconomics/-annual/-2021/-volume/-36 HTTP 307
    https://www.nber.org//books/-and/-chapters//nber/-macroeconomics/-annual/-2021/-volume/-36 HTTP 302
    https://www.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36 HTTP 301
    https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

15 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request -36
www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/
Redirect Chain
  • http://www.nber.org//books/-and/-chapters//nber/-macroeconomics/-annual/-2021/-volume/-36
  • https://www.nber.org//books/-and/-chapters//nber/-macroeconomics/-annual/-2021/-volume/-36
  • https://www.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
  • https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
58 KB
58 KB
Document
General
Full URL
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Response headers

Accept-Ranges
bytes
Access-Control-Allow-Credentials
true
Connection
Keep-Alive
Content-Type
text/html; charset=utf-8
Date
Thu, 19 Sep 2024 05:32:13 GMT
ETag
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Keep-Alive
timeout=20, max=100
Last-Modified
Mon, 23 Oct 2023 15:02:50 GMT
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Transfer-Encoding
chunked
Vary
Origin
X-Robots-Tag
none
X-XSS-Protection
1

Redirect headers

accept-ranges
bytes
age
0
cache-control
public, max-age=86400
content-length
31750
content-type
text/html; charset=UTF-8
date
Thu, 19 Sep 2024 05:32:13 GMT
location
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server
nginx
strict-transport-security
max-age=31622400
vary
Cookie, Cookie
via
1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish
x-cache
MISS, MISS, MISS, MISS
x-cache-hits
0, 0, 0, 0
x-pantheon-styx-hostname
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x-served-by
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x-styx-req-id
8649d6f6-7648-11ef-a648-5e670e7bfec2
x-timer
S1726723933.424292,VS0,VE79
all.css
www2.nber.org/vendor/node_modules/@fortawesome/fontawesome-free/css/
72 KB
72 KB
Stylesheet
General
Full URL
https://www2.nber.org/vendor/node_modules/@fortawesome/fontawesome-free/css/all.css
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36

Response headers

X-Robots-Tag
none
Cache-Control
max-age=3600
ETag
"11f99-5fe92516dfe98"
Connection
Keep-Alive
Access-Control-Allow-Credentials
true
Expires
Thu, 19 Sep 2024 06:32:14 GMT
Accept-Ranges
bytes
Content-Length
73625
Keep-Alive
timeout=20, max=99
Date
Thu, 19 Sep 2024 05:32:14 GMT
X-XSS-Protection
1
Last-Modified
Tue, 20 Jun 2023 16:41:08 GMT
Vary
Origin
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Content-Type
text/css
bootstrap.min.css
www2.nber.org/vendor/node_modules/bootstrap/dist/css/
156 KB
156 KB
Stylesheet
General
Full URL
https://www2.nber.org/vendor/node_modules/bootstrap/dist/css/bootstrap.min.css
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36

Response headers

X-Robots-Tag
none
Cache-Control
max-age=3600
ETag
"26f1b-5fe9251c8a326"
Connection
Keep-Alive
Access-Control-Allow-Credentials
true
Expires
Thu, 19 Sep 2024 06:32:14 GMT
Accept-Ranges
bytes
Content-Length
159515
Keep-Alive
timeout=20, max=100
Date
Thu, 19 Sep 2024 05:32:14 GMT
X-XSS-Protection
1
Last-Modified
Tue, 20 Jun 2023 16:41:14 GMT
Vary
Origin
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Content-Type
text/css
alertify.min.css
www2.nber.org/vendor/node_modules/alertifyjs/build/css/
21 KB
21 KB
Stylesheet
General
Full URL
https://www2.nber.org/vendor/node_modules/alertifyjs/build/css/alertify.min.css
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
c977b90854ca3b4463f2d8801d07fd3ba77af2d87bf47092e51b1d3174812199
Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36

Response headers

X-Robots-Tag
none
Cache-Control
max-age=3600
ETag
"53a9-5fe92517cedb6"
Connection
Keep-Alive
Access-Control-Allow-Credentials
true
Expires
Thu, 19 Sep 2024 06:32:14 GMT
Accept-Ranges
bytes
Content-Length
21417
Keep-Alive
timeout=20, max=100
Date
Thu, 19 Sep 2024 05:32:14 GMT
X-XSS-Protection
1
Last-Modified
Tue, 20 Jun 2023 16:41:09 GMT
Vary
Origin
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Content-Type
text/css
global.css
www2.nber.org/css/dist/
9 KB
9 KB
Stylesheet
General
Full URL
https://www2.nber.org/css/dist/global.css
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36

Response headers

X-Robots-Tag
none
Cache-Control
max-age=3600
ETag
"23e6-62255c78a7768"
Connection
Keep-Alive
Access-Control-Allow-Credentials
true
Expires
Thu, 19 Sep 2024 06:32:14 GMT
Accept-Ranges
bytes
Content-Length
9190
Keep-Alive
timeout=20, max=100
Date
Thu, 19 Sep 2024 05:32:14 GMT
X-XSS-Protection
1
Last-Modified
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Vary
Origin
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Content-Type
text/css
header-footer-generated.css
www2.nber.org/assets/build/css/
76 KB
77 KB
Stylesheet
General
Full URL
https://www2.nber.org/assets/build/css/header-footer-generated.css
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36

Response headers

X-Robots-Tag
none
Cache-Control
max-age=2
ETag
"1300e-615d6471ca848"
Connection
Keep-Alive
Access-Control-Allow-Credentials
true
Expires
Thu, 19 Sep 2024 05:32:16 GMT
Accept-Ranges
bytes
Content-Length
77838
Keep-Alive
timeout=20, max=100
Date
Thu, 19 Sep 2024 05:32:14 GMT
X-XSS-Protection
1
Last-Modified
Thu, 11 Apr 2024 18:25:20 GMT
Vary
Origin
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Content-Type
text/css
header-footer-libraries-generated.js
www2.nber.org/assets/build/js/
1 MB
1 MB
Script
General
Full URL
https://www2.nber.org/assets/build/js/header-footer-libraries-generated.js
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
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Referer
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36

Response headers

X-Robots-Tag
none
Cache-Control
max-age=2
ETag
"172511-615d64865f5a4"
Connection
Keep-Alive
Access-Control-Allow-Credentials
true
Expires
Thu, 19 Sep 2024 05:32:16 GMT
Accept-Ranges
bytes
Content-Length
1516817
Keep-Alive
timeout=20, max=100
Date
Thu, 19 Sep 2024 05:32:14 GMT
X-XSS-Protection
1
Last-Modified
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Vary
Origin
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Content-Type
application/javascript
global-alt.min.js
www2.nber.org/js/dist/
399 B
937 B
Script
General
Full URL
https://www2.nber.org/js/dist/global-alt.min.js
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36

Response headers

X-Robots-Tag
none
Cache-Control
max-age=1
ETag
"18f-62255c706d48e"
Connection
Keep-Alive
Access-Control-Allow-Credentials
true
Expires
Thu, 19 Sep 2024 05:32:15 GMT
Accept-Ranges
bytes
Content-Length
399
Keep-Alive
timeout=20, max=98
Date
Thu, 19 Sep 2024 05:32:14 GMT
X-XSS-Protection
1
Last-Modified
Tue, 17 Sep 2024 19:34:26 GMT
Vary
Origin
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Content-Type
application/javascript
header-footer-generated.js
www2.nber.org/assets/build/js/
49 KB
49 KB
Script
General
Full URL
https://www2.nber.org/assets/build/js/header-footer-generated.js
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36

Response headers

X-Robots-Tag
none
Cache-Control
max-age=2
ETag
"c213-5d9dfe2eb409f"
Connection
Keep-Alive
Access-Control-Allow-Credentials
true
Expires
Thu, 19 Sep 2024 05:32:16 GMT
Accept-Ranges
bytes
Content-Length
49683
Keep-Alive
timeout=20, max=99
Date
Thu, 19 Sep 2024 05:32:14 GMT
X-XSS-Protection
1
Last-Modified
Thu, 10 Mar 2022 16:41:31 GMT
Vary
Origin
Server
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3
Content-Type
application/javascript
bootstrap.bundle.min.js
www2.nber.org/vendor/node_modules/bootstrap/dist/js/
79 KB
79 KB
Script
General
Full URL
https://www2.nber.org/vendor/node_modules/bootstrap/dist/js/bootstrap.bundle.min.js
Requested by
Host: www2.nber.org
URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
198.71.6.22 , United States, ASN26287 (NBER-AS, US),
Reverse DNS
backend.nber.org
Software
Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 /
Resource Hash
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Security Headers
Name Value
X-Xss-Protection 1

Request headers

User-Agent
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5 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| require function| jQuery object| __core-js_shared__ object| core object| bootstrap

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1 Console Messages

Source Level URL
Text
network error URL: https://www2.nber.org/books/-and/-chapters/nber/-macroeconomics/-annual/-2021/-volume/-36
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-Xss-Protection 1