25 technologies5 categories
encyclopedia.com is built on Drupal with Google Tag Manager and Google Analytics. It ranks #9,671 globally.
Analytics are handled by Google Tag Manager and Google Analytics. Infrastructure includes Cloudflare DNS and Cloudflare.
Tech Stack Highlights
Core Platform2
Drupalv8
CMS
100%
5 evidence signals
Header
19 Nov 1978: Sun, 19 Nov 1978 05:00:00 GMTHeader
HITHeader
^Drupal(?:\s([\d.]+))?\;version:\1: Drupal 8 (https://www.drupal.org)JS Global
Drupal → objectMeta Tag
<meta name="^Drupal(?:\s([\d.]+))?\;version:\1" content="Drupal 8 (https://www.drupal.org)">WordPress
CMS
75%
1 evidence signal
HTML
<a href="http://nieman.harvard.edu/wp-content/Frameworks & Languages1
PHP
Programming languages
75%
1 evidence signal
HTML
implied by DrupalAnalytics & Marketing14
Google Tag Manager
Tag managers
100%
3 evidence signals
HTML
googletagmanager.com/gtm.jsJS Global
google_tag_manager → objectJS Global
dataLayer → objectGoogle Analytics
Analytics
100%
5 evidence signals
Cookie
_gaCookie
_gidScript
https://www.google-analytics.com/analytics.jsScript
https://www.googletagmanager.com/gtag/js?id=G-VTWQL8EHT3&cx=c>m=4e6241JS Global
GoogleAnalyticsObject → string
Amazon Advertising
Advertising
100%
3 evidence signals
Script
https://c.aps.amazon-adsystem.com/apstag.jsScript
https://c.aps.amazon-adsystem.com/apstag.jsXHR
https://logger.adthrive.com/error?gamAcctId=18190176%2C21678768125&siteId=5dc336ff22eddf534ab4417c&siteName=Encyclopedia&bucket=flex-19&branch=304ef78&deployment=2026-02-07-01%3Arpsc-760%3A304ef78%3A4PubMatic
Advertising
100%
2 evidence signals
Script
https://ads.pubmatic.com/AdServer/js/publisher-esp.jsXHR
https://logger.adthrive.com/error?gamAcctId=18190176%2C21678768125&siteId=5dc336ff22eddf534ab4417c&siteName=Encyclopedia&bucket=flex-19&branch=304ef78&deployment=2026-02-07-01%3Arpsc-760%3A304ef78%3A4AdThrive
Advertising
100%
6 evidence signals
Script
https://ads.adthrive.com/builds/customizations/5dc336ff22eddf534ab4417c.jsScript
https://ads.adthrive.com/builds/core/304ef78/es2018/js/adthrive.min.js?deployment=2026-02-07-01:rpsc-760:304ef78:4&bucket=flex-19&deliveryFeatures=additiveRaptiveFloors,altsdm,altv2,amazonBetaApstag,consentManagerCMP,cv2,es2021,hb_crid,ld,nvc,raptiveFloors,raptiveManualCookieSync,recencyFrequency,reissuingSticky,removeAdHost,rpbsecs,rpr,rrassf,stickyBucketsLocalStorage,stickyV2,switzerlandGdpr,trafficShaping,prebidLoad,gptLoad,amazonLoad,ttdSync&siteid=5dc336ff22eddf534ab4417cScript
https://ads.adthrive.com/builds/core/304ef78/vendor/prebid/es2018/prebid.min.jsScript
https://ads.adthrive.com/sites/5dc336ff22eddf534ab4417c/ads.min.js?referrer=https%3A%2F%2Fwww.encyclopedia.com%2F&cb=18JS Global
adthrive → objectstylesheet
https://ads.adthrive.com/sites/5dc336ff22eddf534ab4417c/ads.min.cssM
MailChimp
Marketing automation
100%
2 evidence signals
Script
https://s3.amazonaws.com/downloads.mailchimp.com/js/mc-validate.jsstylesheet
//cdn-images.mailchimp.com/embedcode/classic-061523.cssG
Google Workspace
Email
100%
1 evidence signal
dns
MX: aspmx.l.google.comGoogle Publisher Tag
Advertising
75%
1 evidence signal
Script
https://securepubads.g.doubleclick.net/tag/js/gpt.jsPrebidvv9.53.5
Advertising
75%
1 evidence signal
JS Global
pbjs → object(vv9.53.5)Rubicon Project
Advertising
75%
1 evidence signal
XHR
https://fastlane.rubiconproject.com/a/api/fastlane.json?account_id=9262&site_id=180726&zone_id=881416&size_id=2&alt_size_ids=1%2C43%2C44%2C117%2C221&us_privacy=1YNY&rp_schain=1.0,1!cafemedia.com,5dc33ID5
Advertising
75%
1 evidence signal
Script
https://cdn.id5-sync.com/api/1.0/id5PrebidModule.js33Across
Advertising
75%
1 evidence signal
XHR
https://lexicon.33across.com/v1/envelope?pid=0013300001i0fyfAAA&gdpr=0&src=pbjs&ver=9.53.5&coppa=0LiveIntent
Email
75%
1 evidence signal
XHR
https://idx.liadm.com/idex/unknown/any?duid=e6ea385d547b--01kgy5bq2g5tvqgecnkk69dt9t&cd=.encyclopedia.com&pu=https%3A%2F%2Fwww.encyclopedia.com&resolve=nonId&resolve=uid2&resolve=medianet&resolve=bidsTeads
Advertising
75%
1 evidence signal
XHR
https://a.teads.tv/hb/bid-requestInfrastructure & Security7
C
Cloudflare DNS
PaaS
100%
1 evidence signal
dns
NS: jason.ns.cloudflare.comCloudflare
CDN
75%
2 evidence signals
Header
9ca9b42b280bcf12-SJCHeader
cloudflare: cloudflarereCAPTCHA
Security
75%
1 evidence signal
DOM
recaptcha-iframe
Amazon S3
CDN
75%
1 evidence signal
Script
https://s3.amazonaws.com/downloads.mailchimp.com/js/mc-validate.jsVarnish
Caching
75%
2 evidence signals
Header
varnish(?: \(Varnish/([\d.]+)\))?\;version:\1: 1.1 varnish-v4Header
21561809Cloudflare Rocket Loader
Performance
75%
1 evidence signal
JS Global
__cfRLUnblockHandlers → booleanAmazon Web Services
PaaS
50%
1 evidence signal
HTML
implied by Amazon S3Libraries & Utilities1
HTTP/3
Miscellaneous
75%
1 evidence signal
Header
h3: h3=":443"; ma=86400