The compare option is quite useful when you scrape a list of URLs. It actually forces each data source to be contracted into one row or one column in order to compare the sets of data from your URLs one by one.
IMPORTFROMWEB(data_sources, selectors, "compare")
or
| A | B | |
|---|---|---|
| 1 | compare | true |
| 2 | ||
| 3 | =IMPORTFROMWEB(data_sources, selectors, A1:B1) |
Example:
