fonts.google.com-Website-Enhancement: Missing some options/parameters to customize displayed fonts

Hello to all Google-Font-Experts and -Developers,

I'm missing some options at your website "fonts.google.com" and so I want to tell you about them.
Maybe I missed something ... or maybe they can be used as suggestions for enhancing your website?
;)

* An Example:
https://fonts.google.com/?selection.family=Gloria+Hallelujah|Josefin+Sans:wght@600|Lobster&sidebar.open&preview.text=Please+show+My+Selected+Fonts+only!&preview.text_type=custom

I've choosen three fonts here.

Now I want to compare them for my future designing use of whatsoever content.

My questions:

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##1## Why isn't there an option to show a direct comparision of only these selected fonts?
(... isn't this a nearly "natural" wish for such a website?)

##2## Such a "show my selected fonts" tool would be even greater with these options:

#a# - show them as family
#b# - show only examples of the selected family-styles

##3## There should always be an option for selecting a favorite zoom-size for displayed fonts,
which would enhance your whole site, I think.

--

##4## Each of the above options should also been put into URL-parameters for easy sharing of
such personal selections with anyone!
;)

https://fonts.google.com/?selection.family=Gloria+Hallelujah|Josefin+Sans:wght@600|Lobster&sidebar.open&preview.text=Please+show+My+Selected+Fonts+only!&preview.text_type=custom&size=88px&list.selected_families

https://fonts.google.com/?selection.family=Gloria+Hallelujah|Josefin+Sans:wght@600|Lobster&sidebar.open&preview.text=Please+show+My+Selected+Fonts+only!&preview.text_type=custom&size=88px&list.selected_styles

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Kind Regards & Thanks in advance
from Diepholz in Germany
Jens Roggemann