"laggyness" meaning in English

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  "lang_code": "en",
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          "text": "On one end of the performance testing spectrum, there's user-perceived performance. This is where one of our customers is complaining about laggyness, and sure enough, it's easy for us to replicate the problem.",
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      "glosses": [
        "Alternative form of lagginess"
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  "lang_code": "en",
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          "text": "On one end of the performance testing spectrum, there's user-perceived performance. This is where one of our customers is complaining about laggyness, and sure enough, it's easy for us to replicate the problem.",
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  "word": "laggyness"
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