LaTeX.org

Use high compression in LaTeX (e.g., \pdfcompresslevel=9 and \pdfobjcompresslevel=2), optimize or compress large images,
gswin64c -dCompatibilityLevel=1.5 \
-dPDFSETTINGS=/ebook \
-dNOPAUSE -dQUIET -dBATCH \
-sDEVICE=pdfwrite \
-sOutputFile=out.pdf in.pdf

run Ghostscript or a third-party ...

Yes you can control the JPG compression ratio when using ps2pdf by adjusting the -dJPEGQ option. you can set it to a value between 0 and 100, where 0 is the lowest quality (highest compression) and 100 is the highest quality lowest compression.
ps2pdf -dJPEGQ=75 input.ps output.pdf

You can ...

Hello,
for my master thesis I have the following problem.
I have algorithms, which are formulated in "mathematical language".
But i also have "algorithms" if you want to call it like that, that consists of orders. Some algorithms are a lot easier to understand if it is written in sentences and not ...

add \listfiles to your document and compare the package versions written to the log file

What is the purpose of overwriting one font with another? Use only the one font you want to use.

That's normal - the bibliography is sorted by last names, so for the first author the order between first and last names is flipped to start the line with the names used for sorting

Just cite them normally with `\footcite` or `\footfullcite` and exclude them from the bibliography with `\printbibliography[nottype=booklet]`

(are you sure that `@booklet` is the appropriate type for online sources? Normally I would expect something like `@online`)

maybe using the portable option will make it easier to install in non-standard locations?

Try `[htbp]` instead.