"web beacon" meaning in English

{
  "forms": [
    {
      "form": "web beacons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "web beacon (plural web beacons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Internet",
          "orig": "en:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Marketing",
          "orig": "en:Marketing",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2005, Craig D. Knuckles, David S. Yuen, Web Applications: Concepts & Real World Design, John Wiley & Sons, →ISBN, page 363:",
          "text": "The sole purpose of putting a Web beacon in a page is to cause a secondary transaction in order to set third-party cookies.",
          "type": "quote"
        },
        {
          "ref": "2012, Lori Andrews, I Know Who You Are and I Saw What You Did, Simon and Schuster, →ISBN, page 23:",
          "text": "A web beacon is a small graphic image that is usually transparent (and therefore invisible to the user) and no larger than one pixel by one pixel that is placed on a website or in an email.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A web bug."
      ],
      "id": "en-web_beacon-en-noun-Ipa8VVKG",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "marketing",
          "marketing#Noun"
        ],
        [
          "web bug",
          "web bug"
        ]
      ],
      "raw_glosses": [
        "(Internet, marketing) A web bug."
      ],
      "tags": [
        "Internet"
      ],
      "topics": [
        "business",
        "marketing"
      ]
    }
  ],
  "word": "web beacon"
}

{
  "forms": [
    {
      "form": "web beacons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "web beacon (plural web beacons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Internet",
        "en:Marketing"
      ],
      "examples": [
        {
          "ref": "2005, Craig D. Knuckles, David S. Yuen, Web Applications: Concepts & Real World Design, John Wiley & Sons, →ISBN, page 363:",
          "text": "The sole purpose of putting a Web beacon in a page is to cause a secondary transaction in order to set third-party cookies.",
          "type": "quote"
        },
        {
          "ref": "2012, Lori Andrews, I Know Who You Are and I Saw What You Did, Simon and Schuster, →ISBN, page 23:",
          "text": "A web beacon is a small graphic image that is usually transparent (and therefore invisible to the user) and no larger than one pixel by one pixel that is placed on a website or in an email.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A web bug."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "marketing",
          "marketing#Noun"
        ],
        [
          "web bug",
          "web bug"
        ]
      ],
      "raw_glosses": [
        "(Internet, marketing) A web bug."
      ],
      "tags": [
        "Internet"
      ],
      "topics": [
        "business",
        "marketing"
      ]
    }
  ],
  "word": "web beacon"
}