Почему не работает яндекс метрика?

var yandexId = 44034219; 
 
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var yaMetrika = YandexMetrika(document); 
 
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 
    <h1>test</h1> 
 
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