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Carga diferida
La carga diferida permite que las páginas se carguen más rápido, reduce el consumo de recursos y la contención, y mejora el porcentaje de visibilidad, ya que pausa la solicitud y la renderización de los anuncios hasta que se acercan al viewport del usuario.
Con la carga diferida en la SRA, cuando el primer espacio publicitario se encuentra dentro del viewport especificado por el parámetro fetchMarginPercent, se realiza la llamada a ese anuncio y a todos los demás espacios publicitarios.
[null,null,[],[],[],null,["# Lazy loading\n============\n\nLazy loading enables pages to load faster, reduces resource consumption and\ncontention, and improves viewability rate by pausing the requesting and\nrendering of ads until they approach the user's viewport.\n\nWith lazy loading in SRA, when the first ad slot comes within the viewport\nspecified by the [`fetchMarginPercent`](//developers.google.com/publisher-tag/reference#googletag.config.LazyLoadConfig.fetchMarginPercent) property,\nthe call for that ad and all other ad slots is made.\n\nSample implementation\n---------------------\n\n[View demo](https://googleads.github.io/google-publisher-tag-samples/lazy-loading/js/demo.html) This sample makes use of library features that are not fully supported when running in an iframe. To view a demo of this sample in a new window, click the **View demo** button above. \n\n### JavaScript\n\nLoading...\n----------\n\nLoading...\n----------\n\n[Improve this sample](https://github.com/googleads/google-publisher-tag-samples/tree/main/dist/lazy-loading/js) [Report an issue](https://github.com/googleads/google-publisher-tag-samples/issues/new?labels=documentation&template=sample-feedback.md&title=Sample+feedback%3A+lazy-loading/js)\n\n### TypeScript\n\nLoading...\n----------\n\nLoading...\n----------\n\n[Improve this sample](https://github.com/googleads/google-publisher-tag-samples/tree/main/dist/lazy-loading/ts) [Report an issue](https://github.com/googleads/google-publisher-tag-samples/issues/new?labels=documentation&template=sample-feedback.md&title=Sample+feedback%3A+lazy-loading/ts)"]]