A Minimal Page

GEThttps://api.deepinfo.com/v1/lookup/webdata

Web data of info.cern.ch, home of the first website: 646 bytes of HTML, no scripts, cookies, favicon or robots.txt.

Param: url
Value: https://info.cern.ch

Asks for the web data of https://info.cern.ch, the home of the first website: a page of a few lines.

Small pages give small answers: technology.stacks has only Apache and Sectigo, html.meta only a title, html.source_code is 646 characters and html.content six short lines of text. All links stay on CERN host names (html.internal_links_fqdns), so the external link lists are empty, and so are favicon, http.cookies, html.script_links and html.trackers. robots_txt is null: the site has no robots.txt. http.headers shows a page last modified in 2014.

Request

curl

curl 'https://api.deepinfo.com/v1/lookup/webdata?url=https%3A%2F%2Finfo.cern.ch' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Accept: application/json'

Python

import requests

url = "https://api.deepinfo.com/v1/lookup/webdata"

params = {
    "url": "https://info.cern.ch"
}

headers = {
    "apikey": "YOUR_API_KEY",
    "Accept": "application/json"
}

response = requests.get(url, params=params, headers=headers)
response.raise_for_status()
print(response.json())

JavaScript

const url = "https://api.deepinfo.com/v1/lookup/webdata?url=https%3A%2F%2Finfo.cern.ch";

const response = await fetch(url, {
  method: "GET",
  headers: {
    "apikey": "YOUR_API_KEY",
    "Accept": "application/json"
  },
});

const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	req, err := http.NewRequest("GET", "https://api.deepinfo.com/v1/lookup/webdata?url=https%3A%2F%2Finfo.cern.ch", nil)
	if err != nil {
		panic(err)
	}
	req.Header.Set("apikey", "YOUR_API_KEY")
	req.Header.Set("Accept", "application/json")

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()

	body, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println(string(body))
}

Java

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://api.deepinfo.com/v1/lookup/webdata?url=https%3A%2F%2Finfo.cern.ch"))
            .header("apikey", "YOUR_API_KEY")
            .header("Accept", "application/json")
            .GET()
            .build();

        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());

        System.out.println(response.body());
    }
}

using System;
using System.Net.Http;

using var client = new HttpClient();

var request = new HttpRequestMessage(HttpMethod.Get, "https://api.deepinfo.com/v1/lookup/webdata?url=https%3A%2F%2Finfo.cern.ch");
request.Headers.Add("apikey", "YOUR_API_KEY");
request.Headers.Add("Accept", "application/json");

using var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());

PHP

<?php

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => 'https://api.deepinfo.com/v1/lookup/webdata?url=https%3A%2F%2Finfo.cern.ch',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'apikey: YOUR_API_KEY',
        'Accept: application/json',
    ],
]);

$response = curl_exec($curl);

if ($response === false) {
    throw new RuntimeException(curl_error($curl));
}

echo $response . PHP_EOL;

Ruby

require 'net/http'
require 'uri'

uri = URI('https://api.deepinfo.com/v1/lookup/webdata?url=https%3A%2F%2Finfo.cern.ch')

request = Net::HTTP::Get.new(uri)
request['apikey'] = 'YOUR_API_KEY'
request['Accept'] = 'application/json'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|
  http.request(request)
end

puts response.body

Response

200 OK · application/json

Shortened for this page: html.content_keywords: first 10 items

Response Body

{
  "html": {
    "meta": {
      "name": null,
      "language": null,
      "language_alternatives": [],
      "keywords": [],
      "noindex_status": false,
      "encoding": null,
      "canonical_url": null,
      "title": "http://info.cern.ch",
      "json_ld": [],
      "og": []
    },
    "internal_links_fqdns": [
      "info.cern.ch",
      "line-mode.cern.ch",
      "home.web.cern.ch"
    ],
    "external_links_fqdns": [],
    "external_links_domains": [],
    "external_links": [],
    "script_links": [],
    "iframe_links": [],
    "trackers": [],
    "emails": [],
    "emails_internal": [],
    "favicon_links": [],
    "inspect_disabled": false,
    "source_code": "<html><head></head><body><header>\n<title>http://info.cern.ch</title>\n</header>\n\n<h1>http://info.cern.ch - home of the first website</h1>\n<p>From here you can:</p>\n<ul>\n<li><a href=\"http://info.cern.ch/hypertext/WWW/TheProject.html\">Browse the first website</a></li>\n<li><a href=\"http://line-mode.cern.ch/www/hypertext/WWW/TheProject.html\">Browse the first website using the line-mode browser simulator</a></li>\n<li><a href=\"http://home.web.cern.ch/topics/birth-web\">Learn about the birth of the web</a></li>\n<li><a href=\"http://home.web.cern.ch/about\">Learn about CERN, the physics laboratory where the web was born</a></li>\n</ul>\n\n</body></html>",
    "source_code_hash": "e4862da7f936205b0d25309258486868855551ea343a71baecd95629adec52bc",
    "content": "http://info.cern.ch - home of the first website\n\nFrom here you can:\n\nBrowse the first website\nBrowse the first website using the line-mode browser simulator\nLearn about the birth of the web\nLearn about CERN, the physics laboratory where the web was born",
    "content_keywords": [
      "first",
      "website",
      "cern",
      "browse",
      "learn",
      "web",
      "http://info",
      "ch",
      "home",
      "can:"
    ],
    "content_hash": "316de15b62af35711d1cdc78cb63d92f8fcc37c0cfefc0ced0432facb5359ea4"
  },
  "http": {
    "redirection_history": [
      {
        "url": "https://info.cern.ch",
        "status_code": 200
      }
    ],
    "cookies": [],
    "headers": [
      {
        "name": "accept-ranges",
        "value": "bytes"
      },
      {
        "name": "connection",
        "value": "close"
      },
      {
        "name": "content-length",
        "value": "646"
      },
      {
        "name": "content-type",
        "value": "text/html"
      },
      {
        "name": "date",
        "value": "Thu, 24 Sep 2026 08:06:23 GMT"
      },
      {
        "name": "etag",
        "value": "\"286-4f1aadb3105c0\""
      },
      {
        "name": "last-modified",
        "value": "Wed, 05 Feb 2014 16:00:31 GMT"
      },
      {
        "name": "server",
        "value": "Apache"
      }
    ]
  },
  "url": "https://info.cern.ch",
  "favicon": [],
  "robots_txt": null,
  "version": 1,
  "check_date": "2026-09-24T08:06:25.059Z",
  "connection_status": "success",
  "technology": {
    "stacks": [
      {
        "slug": "apache",
        "name": "Apache",
        "confidence": 100,
        "icon": "Apache.svg",
        "website": "http://apache.org",
        "cpe": "cpe:/a:apache:http_server",
        "version": "",
        "categories": [
          "Web servers"
        ],
        "description": "Apache is a free and open-source cross-platform web server software.",
        "alternative_cpe_names": [],
        "clean_version": null
      },
      {
        "slug": "sectigo",
        "name": "Sectigo",
        "confidence": 100,
        "icon": "Sectigo.svg",
        "website": "https://sectigo.com/",
        "cpe": "cpe:/a:deepvendor:sectigo",
        "version": "",
        "categories": [
          "SSL/TLS certificate authorities"
        ],
        "description": "Sectigo provides SSL certificate and computer security products.",
        "alternative_cpe_names": [],
        "clean_version": null
      }
    ]
  }
}

Content-Type: application/json; charset=utf-8
ratelimit-limit: 1
ratelimit-remaining: 0
ratelimit-reset: 1
x-ratelimit-limit-second: 1
x-ratelimit-remaining-second: 0
deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a

Request

What this example sends. Every parameter is documented on Web Data; the exact request is in the code panel.

Parameter	Value
`url`query	`https://info.cern.ch`

Reference updated September 24, 2026

Request

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