Plotly chart performance with datetime x-axis

[edsaac]

It seems this was fixed in Plotly and the performance is pretty much the same now with datetimes or strings. (Thanks to @Matthias3 for testing again).

Plotly Performance Issues Despite Caching

Hi, thanks for your fast response! Do you see performance improving in your case if you convert the x-axis timestamps to strings? I tried out your sample code from last year, and for me, it seems that this was fixed. At least the time differences aren’t that big for me anymore: [image] I adapted your code and increased the dataframe size to 1.32 MB to better showcase my problem (This is only a small-scale example). Because the elapsed time is not my problem (this is “only” roughly 2 sec…