Looking on the internet deeply has found these results:

will keep you posted on progress is the most popular phrase on the web.

will keep you posted for progress 10 results on the web	will keep you posted on progress 11,230 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	I will keep you posted on progress and hope you have a wonderful week. I would like you to know that if you need anything from me, please contact me at ... Aug 1, 2015 ... ... garden views become more at one with this characterful building. This is definitely one to watch and we will keep you posted on progress. ... many new features you won't expect! We are looking forward to this adventure and will keep you posted on progress and anticipated opening dates. Map Data. ... endpoints including motor function and muscle strength tests as well as measures of pulmonary and cardiac function. We will keep you posted on progress.

will keep you posted for progress

10 results on the web

will keep you posted on progress

11,230 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

I will keep you posted on progress and hope you have a wonderful week. I would like you to know that if you need anything from me, please contact me at ...
Aug 1, 2015 ... ... garden views become more at one with this characterful building. This is definitely one to watch and we will keep you posted on progress.
... many new features you won't expect! We are looking forward to this adventure and will keep you posted on progress and anticipated opening dates. Map Data.
... endpoints including motor function and muscle strength tests as well as measures of pulmonary and cardiac function. We will keep you posted on progress.