Where do I find the accumulated price development of Swiss ETF, especially for distributing ones? [closed] (opens in new tab)

When looking at the past performance of ETFs, it's difficult to make a fair comparison between a distributing and an accumulating ETF, since the price of the DIS sinks after a dividend is distributed while the price of an ACC stays the same. Where can I find the price development of Swiss ETFs including dividends? This seems to be especially tricky if the only products available are distributing ones, e.g. the SLI.