Website Technology Profiler

Discover What Any Website Is Built With – Instantly

Identify the technologies behind any website with one simple click you can quickly see what frameworks, platforms, plugins, analytics tools, and hosting providers a site uses.

Our site works as a powerful website technology profiler, scanning the page and generating a full breakdown of all detectable technologies. From CMS platforms and eCommerce systems to JavaScript libraries and server software helping you understand exactly how a website is built.

Perfect for developers, marketers, SEO professionals, and anyone curious about the tech stack behind their favorite websites.

Executive Summary for www.yelp.com

1069 Response Time (ms)

200 HTTP Status

127 Scripts

10 Images

22 Links

HTTP/1.1 Protocol

SEO & Content Analysis

Basic Information

Page Title

Restaurants, Dentists, Bars, Beauty Salons, Doctors - Yelp

Meta Description

User Reviews and Recommendations of Best Restaurants, Shopping, Nightlife, Food, Entertainment, Things to Do, Services and More at Yelp

HTML Language

en-US

Robots.txt Present

Sitemap Not found

SEO Meta Tags

content-type: text/html; charset=UTF-8

Page Content

Top 100 Places to Eat in 2026See listFat Of The LandPhoto from the business ownerRecent ActivityLoadingCategoriesRestaurantsShoppingNightlifeActive LifeBeauty & SpasAutomotiveHome ServicesMore;

Network & Infrastructure

DNS & Hosting

IP Address

151.101.192.116

Reverse DNS

Not detected

SSL/TLS Certificate

Issuer

CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US

Protocol Tls13

Expires In 308 days

HSTS Enabled

Technology Stack

JavaScript Frameworks

GraphQL React

Build Tools

Modern JS Build Tool (inferred from React)

Services & Integrations

Analytics & Tracking

Google Analytics GA4 Google Analytics UA Google Tag Manager

Privacy & Consent Management

OneTrust

CDN & Media Providers

Dynamic Analysis & Security

Dynamic JavaScript Analysis

Bootstrap (CSS Classes) ES6+ JavaScript Features JS File Analysis Error: Response status code does not indicate success: 403 (Forbidden). React (CDN Detection) React (script Resource) Web Server: envoy

Security Headers

CSP HSTS X-Content-Type-Options

Server Headers

envoy

Resource Analysis

External Resource Hosts

284910350

com.yelp.android

js.datadome.co

m.yelp.com

s3-media0.fl.yelpcdn.com

www.googletagmanager.com

www.yelp.com

Cookies Observed

UI Frameworks & Libraries

Bootstrap (Class Names) D3.js Ionic (Class Names) Slate Vuetify (Class Names)

Social Media Integrations

Analysis Errors

Analysis Warnings & Errors

The following issues occurred during analysis:

Reverse DNS failed: No such host is known.

Raw JSON Data

{
  "PageContent": "Top 100 Places to Eat in 2026See listFat Of The LandPhoto from the business ownerRecent ActivityLoadingCategoriesRestaurantsShoppingNightlifeActive LifeBeauty &amp; SpasAutomotiveHome ServicesMore",
  "Url": "https://www.yelp.com",
  "IpAddress": "151.101.192.116",
  "ReverseDns": null,
  "Asn": null,
  "Http2": false,
  "Http3": false,
  "ResponseTimeMs": 1069,
  "StatusCode": 200,
  "ServerHeaders": [
    "envoy"
  ],
  "Ssl": {
    "Issuer": "CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US",
    "Subject": "CN=yelp.com, O=Yelp Inc., L=San Francisco, S=California, C=US",
    "NotBefore": "2025-12-15T16:00:00-08:00",
    "NotAfter": "2026-12-05T15:59:59-08:00",
    "SubjectAltNames": [
      "DNS Name=yelp.com",
      "DNS Name=*.admin.yelp.com",
      "DNS Name=*.biz.yelp.com",
      "DNS Name=*.m.yelp.com",
      "DNS Name=*.yelp.com",
      "DNS Name=admin.yelp.com"
    ],
    "Hsts": true,
    "Ciphers": [],
    "Protocol": "Tls13",
    "DaysUntilExpiry": 308
  },
  "Cdns": [],
  "HostingHints": [],
  "Cms": [],
  "Frameworks": [
    "React",
    "GraphQL"
  ],
  "JsLibraries": [],
  "Analytics": [
    "Google Analytics UA",
    "Google Analytics GA4",
    "Google Tag Manager"
  ],
  "AdsAndMarketing": [],
  "PaymentGateways": [],
  "EcommerceHints": [],
  "SocialSignals": [
    "TikTok"
  ],
  "MediaProviders": [],
  "SeoTags": [
    "content-type: text/html; charset=UTF-8"
  ],
  "HtmlLanguage": "en-US",
  "HasRobots": true,
  "HasSitemap": false,
  "SecurityHeaders": [
    "HSTS",
    "CSP",
    "X-Content-Type-Options"
  ],
  "CookiesObserved": [
    "bse=b57dac5f87af477a9145328f858bc95b; Domain=.yelp.com; Path=/; secure; HttpOnly",
    "location=%7B%22city%22%3A+%22Brisbane%22%2C+%22state%22%3A+%22QLD%22%2C+%22country%22%3A+%22AU%22%2C+%22latitude%22%3A+-27.469685%2C+%22longitude%22%3A+153.024129%2C+%22max_latitude%22%3A+-27.45862564556327%2C+%22min_latitude%22%3A+-27.48074484976183%2C+%22max_longitude%22%3A+153.0378422092145%2C+%22min_longitude%22%3A+153.0104155064776%2C+%22zip%22%3A+%22%22%2C+%22address1%22%3A+%22%22%2C+%22address2%22%3A+%22%22%2C+%22address3%22%3A+null%2C+%22neighborhood%22%3A+%22CBD%22%2C+%22borough%22%3A+null%2C+%22provenance%22%3A+%22YELP_GEOCODING_ENGINE%22%2C+%22display%22%3A+%22CBD%2C+Brisbane+Queensland%2C+Australia%22%2C+%22unformatted%22%3A+%22CBD%2C+Brisbane+Queensland%2C+Australia%22%2C+%22isGoogleHood%22%3A+null%2C+%22usingDefaultZip%22%3A+null%2C+%22accuracy%22%3A+4.5%2C+%22language%22%3A+null%7D; Domain=.yelp.com; Max-Age=31536000; Path=/; expires=Sun, 31-Jan-2027 06:55:16 GMT",
    "hl=en_US; Domain=.yelp.com; Max-Age=31536000; Path=/; expires=Sun, 31-Jan-2027 06:55:16 GMT",
    "bsi=1%7C5ec3b3e1-d27b-50a4-b727-9a5f14c1f2f9%7C1769842516445%7C1769842516445%7C1%7Ce950698f2c7ffe28; Domain=.yelp.com; Path=/; Max-Age=604800; Expires=Sat, 07 Feb 2026 06:55:16 GMT; Secure; SameSite=None",
    "wdi=2|7D414DEE7CA81E41|0x1.a5f69d51c6862p+30|574b025d9a48fca2; Domain=.yelp.com; Path=/; Max-Age=31536000; Expires=Sun, 31 Jan 2027 06:55:16 GMT; HttpOnly; Secure; SameSite=None"
  ],
  "XhrApiHints": [],
  "SitemapCounts": {},
  "ChatWidgets": [],
  "ABTesting": [],
  "PrivacyConsent": [
    "OneTrust"
  ],
  "EmailMarketing": [],
  "WebFonts": [],
  "DynamicJs": [
    "JS File Analysis Error: Response status code does not indicate success: 403 (Forbidden).",
    "Bootstrap (CSS Classes)",
    "Web Server: envoy",
    "React (script Resource)",
    "React (CDN Detection)",
    "ES6+ JavaScript Features"
  ],
  "ResourceHosts": [
    "www.googletagmanager.com",
    "s3-media0.fl.yelpcdn.com",
    "js.datadome.co",
    "com.yelp.android",
    "284910350",
    "www.yelp.com",
    "m.yelp.com"
  ],
  "CssFrameworks": [],
  "BuildTools": [
    "Modern JS Build Tool (inferred from React)"
  ],
  "ServerTech": [],
  "DatabaseHints": [],
  "PageTitle": "Restaurants, Dentists, Bars, Beauty Salons, Doctors - Yelp",
  "MetaDescription": "User Reviews and Recommendations of Best Restaurants, Shopping, Nightlife, Food, Entertainment, Things to Do, Services and More at Yelp",
  "ImageCount": 10,
  "ScriptCount": 127,
  "LinkCount": 22,
  "Errors": [
    "Reverse DNS failed: No such host is known."
  ],
  "UiFrameworks": [
    "D3.js",
    "Slate",
    "Bootstrap (Class Names)",
    "Ionic (Class Names)",
    "Vuetify (Class Names)"
  ]
}

Analysis Complete

Analyzed www.yelp.com with 5 technologies detected across 5 categories

Analysis completed in 1069 ms • 2026-03-23 09:33:11 UTC