: PDFs often store invisible data, such as edit history, author details, or unused layers, which adds unnecessary weight to the download. Best Practices for Web Downloads
The Average PDF Download Size: A Guide to Document Optimization average pdf download
Several hidden elements can cause a PDF to balloon in size, often without improving the quality for the end-user: : PDFs often store invisible data, such as
: To ensure a document looks the same on every device, PDFs often "embed" the entire font library used. This adds significant data, especially if you use multiple custom font families. : PDFs often store invisible data