Website Technology Profiler

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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.

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

Executive Summary for circuits4you.com

882 Response Time (ms)

200 HTTP Status

16 Scripts

14 Images

27 Links

HTTP/1.1 Protocol

SEO & Content Analysis

Basic Information

Page Title

Circuits4you.com | Arduino interfacing, circuits tutorials with code and ebooks, Step by step guides for all sensor modules used for arduino. Programming tips and tricks.

Meta Description

Become super hero of Internet of Things world. Get best seller in IoT design books. Also Available in both Paper Back and Kindle e-Book on Amazon…

HTML Language

en-US

Robots.txt Present

Sitemap Present

total_urls: 2

SEO Meta Tags

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

Page Content

Arduino interfacing, circuits tutorials with code and ebooks, Step by step guides for all sensor modules used for arduino. Programming tips and tricks.Become super hero of Internet of Things world. Get best seller in IoT design books.Buy now for $2.99 OnlyBuy now with Pay Pal (pdf format) at $ 4.99Also Available in both Paper Back and Kindle e-Book on AmazonGet it Now From Amazon for Kindle, Paper Back EditionContentsCh. No.TitlePage No.1 Introduction42 Hardware Setup ESP826693 Software Setup ESP8266174 LED Blink Test235 Hardware and Software Serial316 Internal EEPROM377 ADC in Serial out408 HTML, CSS Basics429 Hello world! Web Server4910 Temperature Monitoring Web Server6011 LED Control Web Server6912 IoT Home Automation7613 Color Control Web Server8214 HTTP Client8715 Data logging to cloud server9316 UDP ESP to ESP Communication9817 Accessing ESP8266 over internet10418 Access ESP in VB.net10719 Plotting Graphs using ESP826611420 Using Google Gadgets120;

Network & Infrastructure

DNS & Hosting

IP Address

37.98.151.202

Reverse DNS

Not detected

SSL/TLS Certificate

Issuer

CN=R13, O=Let's Encrypt, C=US

Protocol Tls13

Expires In 55 days

Technology Stack

Content Management Systems

WordPress WordPress (robots.txt)

JavaScript Frameworks

jQuery

Server Technologies

PHP

Services & Integrations

Analytics & Tracking

Google Analytics GA4

Advertising & Marketing

Google AdSense

E-commerce Platforms

PrestaShop

Payment Gateways

PayPal

CDN & Media Providers

Dynamic Analysis & Security

Dynamic JavaScript Analysis

Bootstrap (CSS Classes) jQuery (CDN Detection) jQuery (script Resource) React (Script Analysis) Server Technology: PHP/8.1.33 Web Server: hcdn

Security Headers

CSP

Server Headers

hcdn

PHP/8.1.33

Resource Analysis

External Resource Hosts

circuits4you.com

gmpg.org

i0.wp.com

pagead2.googlesyndication.com

secure.gravatar.com

stats.wp.com

v0.wordpress.com

www.paypalobjects.com

Cookies Observed

UI Frameworks & Libraries

Bootstrap (Class Names) Vuetify (Class Names)

Analysis Errors

Analysis Warnings & Errors

The following issues occurred during analysis:

Reverse DNS failed: This is usually a temporary error during hostname resolution and means that the local server did not receive a response from an authoritative server.

Raw JSON Data

{
  "PageContent": "Arduino interfacing, circuits tutorials with code and ebooks, Step by step guides for all sensor modules used for arduino. Programming tips and tricks.Become super hero of Internet of Things world. Get best seller in IoT design books.Buy now for $2.99 OnlyBuy now with Pay Pal (pdf format) at $ 4.99Also Available in both Paper Back and Kindle e-Book on AmazonGet it Now From Amazon for Kindle, Paper Back EditionContentsCh. No.TitlePage No.1 Introduction42 Hardware Setup ESP826693 Software Setup ESP8266174 LED Blink Test235 Hardware and Software Serial316 Internal EEPROM377 ADC in Serial out408 HTML, CSS Basics429 Hello world! Web Server4910 Temperature Monitoring Web Server6011 LED Control Web Server6912 IoT Home Automation7613 Color Control Web Server8214 HTTP Client8715 Data logging to cloud server9316 UDP ESP to ESP Communication9817 Accessing ESP8266 over internet10418 Access ESP in VB.net10719 Plotting Graphs using ESP826611420 Using Google Gadgets120",
  "Url": "https://circuits4you.com",
  "IpAddress": "37.98.151.202",
  "ReverseDns": null,
  "Asn": null,
  "Http2": false,
  "Http3": false,
  "ResponseTimeMs": 882,
  "StatusCode": 200,
  "ServerHeaders": [
    "hcdn",
    "PHP/8.1.33"
  ],
  "Ssl": {
    "Issuer": "CN=R13, O=Let's Encrypt, C=US",
    "Subject": "CN=circuits4you.com",
    "NotBefore": "2025-12-28T15:16:29-08:00",
    "NotAfter": "2026-03-28T16:16:28-07:00",
    "SubjectAltNames": [
      "DNS Name=circuits4you.com",
      "DNS Name=www.circuits4you.com"
    ],
    "Hsts": false,
    "Ciphers": [],
    "Protocol": "Tls13",
    "DaysUntilExpiry": 55
  },
  "Cdns": [],
  "HostingHints": [],
  "Cms": [
    "WordPress",
    "WordPress (robots.txt)"
  ],
  "Frameworks": [
    "jQuery"
  ],
  "JsLibraries": [],
  "Analytics": [
    "Google Analytics GA4"
  ],
  "AdsAndMarketing": [
    "Google AdSense"
  ],
  "PaymentGateways": [
    "PayPal"
  ],
  "EcommerceHints": [
    "PrestaShop"
  ],
  "SocialSignals": [],
  "MediaProviders": [],
  "SeoTags": [
    "content-type: text/html; charset=UTF-8"
  ],
  "HtmlLanguage": "en-US",
  "HasRobots": true,
  "HasSitemap": true,
  "SecurityHeaders": [
    "CSP"
  ],
  "CookiesObserved": [
    "PHPSESSID=ge2h38fbfeslsen9926en2iahs; path=/; secure"
  ],
  "XhrApiHints": [],
  "SitemapCounts": {
    "total_urls": 2
  },
  "ChatWidgets": [],
  "ABTesting": [],
  "PrivacyConsent": [],
  "EmailMarketing": [],
  "WebFonts": [],
  "DynamicJs": [
    "React (Script Analysis)",
    "Server Technology: PHP/8.1.33",
    "Web Server: hcdn",
    "jQuery (CDN Detection)",
    "Bootstrap (CSS Classes)",
    "jQuery (script Resource)"
  ],
  "ResourceHosts": [
    "circuits4you.com",
    "pagead2.googlesyndication.com",
    "stats.wp.com",
    "gmpg.org",
    "v0.wordpress.com",
    "i0.wp.com",
    "www.paypalobjects.com",
    "secure.gravatar.com"
  ],
  "CssFrameworks": [],
  "BuildTools": [],
  "ServerTech": [
    "PHP"
  ],
  "DatabaseHints": [],
  "PageTitle": "Circuits4you.com | Arduino interfacing, circuits tutorials with code and ebooks, Step by step guides for all sensor modules used for arduino. Programming tips and tricks.",
  "MetaDescription": "Become super hero of Internet of Things world. Get best seller in IoT design books. Also Available in both Paper Back and Kindle e-Book on Amazon…",
  "ImageCount": 14,
  "ScriptCount": 16,
  "LinkCount": 27,
  "Errors": [
    "Reverse DNS failed: This is usually a temporary error during hostname resolution and means that the local server did not receive a response from an authoritative server."
  ],
  "UiFrameworks": [
    "Bootstrap (Class Names)",
    "Vuetify (Class Names)"
  ]
}

Analysis Complete

Analyzed circuits4you.com with 6 technologies detected across 7 categories

Analysis completed in 882 ms • 2026-03-23 09:26:13 UTC