Apple Whitelist Usage Statistics · Download List of All Websites using Apple Whitelist
This website domain is on the Apple TLD whitelist which may potentially mean these domains will appear in autocomplete when looking up URLs on Apple products.
Distil Identification Block Usage Statistics · Download List of All Websites using Distil Identification Block
Prevents bots and users not running JavaScript from visiting the website.
Slack Usage Statistics · Download List of All Websites using Slack
Messaging app for teams that makes working together simple and efficient.
Imperva Bot Detection and Mitigation Usage Statistics · Download List of All Websites using Imperva Bot Detection and Mitigation
Bot prevention system.
Bot Detection
Cloudflare Bot Manager Usage Statistics · Download List of All Websites using Cloudflare Bot Manager
Stop bad bots by using threat intelligence.
CrUX Dataset Usage Statistics · Download List of All Websites using CrUX Dataset
CrUX is a data collection system that gathers information about how real users interact with websites. This website is included in the user experiences data gathered from Google Chrome and thus considered sufficiently popular on the Internet.
CrUX Top 50k Usage Statistics · Download List of All Websites using CrUX Top 50k
Relative measure of site popularity within the CrUX dataset, measured by the total number of navigations on the origin. This site is in the top 50k.
Cloudflare Radar Usage Statistics · Download List of All Websites using Cloudflare Radar
The website appears on the Cloudflare Radar Top 1m sites list
Cloudflare Radar Top 100k Usage Statistics · Download List of All Websites using Cloudflare Radar Top 100k
The website appears in the Cloudflare Radar Top 100,000.
Cloudflare Radar Top 50k Usage Statistics · Download List of All Websites using Cloudflare Radar Top 50k
The website appears in the Cloudflare Radar Top 50,000.
Incapsula Blocking Usage Statistics · Download List of All Websites using Incapsula Blocking
The site is blocking content due to an Incapsula Blocking rule.
GlobalSign Domain Verification Usage Statistics · Download List of All Websites using GlobalSign Domain Verification
Domain verification for SSL certificate validation.
Viewport Meta Usage Statistics · Download List of All Websites using Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
Cloudflare Usage Statistics · Download List of All Websites using Cloudflare
Automatically optimizes the delivery of your web pages so your visitors get the fastest page load times and best performance.
Cloudflare Automatic Challenge Usage Statistics · Download List of All Websites using Cloudflare Automatic Challenge
The website automatically redirects the user if it was detected not to be a bot.
Cloudflare Challenge Usage Statistics · Download List of All Websites using Cloudflare Challenge
The website challenges the user to identify themselves as a human being.
AmazonBot Disallow Usage Statistics · Download List of All Websites using AmazonBot Disallow
AmazonBot is a crawler that web content publishers can refer to for information - website has disallow rules.
AI Bot
Amazon SES Usage Statistics · Download List of All Websites using Amazon SES
Amazon Simple Email Service (Amazon SES) is a scalable, bulk, transactional email-sending service for businesses and developers.
Transactional Email
Zendesk Usage Statistics · Download List of All Websites using Zendesk
Organize, prioritize and engage with others on support requests.
Help Scout Usage Statistics · Download List of All Websites using Help Scout
Scalable customer support software.
SPF Usage Statistics · Download List of All Websites using SPF
The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.
Google Apps for Business Usage Statistics · Download List of All Websites using Google Apps for Business
Web-based email, calendar, and documents for teams. Renamed to Google Apps for Work, but now known as G Suite from Google Cloud.
Business Email Hosting
Imperva Usage Statistics · Download List of All Websites using Imperva
Secure website data provider.
US hosting
Amazon Usage Statistics · Download List of All Websites using Amazon
This site is hosted on Amazon AWS EC2 Infrastructure.
Cloud Hosting · Cloud PaaS
Cloudflare Hosting Usage Statistics · Download List of All Websites using Cloudflare Hosting
Supercharged web hosting service.
US hosting · Cloud Hosting · Cloud PaaS
403 Error Usage Statistics · Download List of All Websites using 403 Error
The website returned a 403 Forbidden error message and wasn't identified as parked at the time. This does not mean we are not able to index technologies.
SSL by Default Usage Statistics · Download List of All Websites using SSL by Default
The website redirects traffic to an HTTPS/SSL version by default.
HSTS Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
HSTS IncludeSubdomains PreLoad Usage Statistics · Download List of All Websites using HSTS IncludeSubdomains PreLoad
This website includes instructions for HSTS loading that would allow it to be submitted to the HSTS preload list.
Cloudflare DNS Usage Statistics · Download List of All Websites using Cloudflare DNS
DNS services provided by Cloudflare.
Cloudflare CDN Usage Statistics · Download List of All Websites using Cloudflare CDN
Content owned by this site hosted on the Cloudflare CDN.
GPTBot Disallow Usage Statistics · Download List of All Websites using GPTBot Disallow
The website has disallow rules for OpenAI GPTBot.
Common Crawl Bot Disallow Usage Statistics · Download List of All Websites using Common Crawl Bot Disallow
Block a site from being crawled by Common Crawl Crawler.
Anthropic Claude Bot Disallow Usage Statistics · Download List of All Websites using Anthropic Claude Bot Disallow
Block Anthropic Claude bot.
Google Bard Disallow Usage Statistics · Download List of All Websites using Google Bard Disallow
The website blocks Bard AI and Vertex AI scraping requests.
Perplexity Usage Statistics · Download List of All Websites using Perplexity
AI chatbot-powered research and conversational search engine disallow rules.
Google Webmaster Usage Statistics · Download List of All Websites using Google Webmaster
Webmaster tools provide you with a free and easy way to make your site more Google-friendly.
Last technology detected on 8th August 2025. We know of 38 technologies on this page and 407 technologies removed from cliffsnotes.com since 17th January 2001. Link to this page.
Add BuiltWith to for free! Get lookups easily and quickly.
Get a notification when cliffsnotes.com adds new technologies.
Get cliffsnotes.com profile as an XML, JSON, CSV or XLSX via the Domain API.
Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.