Looker Studio makes it easy to put every available metric on a page, which is exactly why most Looker Studio reports go unopened after the second month. A dashboard that shows everything answers nothing.

Start from the question, not the connector

Before adding a single chart, write down the question the report exists to answer. "Is organic search growing?" is a question. "Search Console overview" is a connector.

Once the question is written, every element on the page has to earn its place by contributing to that answer. Most will not, and removing them is the single biggest improvement you can make.

Put the comparison in the chart, not next to it

Looker Studio's built-in comparison date range is underused. A scorecard showing 12,400 clicks tells you nothing. The same scorecard with the previous-period comparison enabled tells you the direction and the magnitude in the same glance.

For time series, plot the comparison period as a second, dimmer line rather than as a separate chart. Two charts side by side force the reader to do the subtraction; one chart with two lines does it for them.

Blending Search Console and GA4

This is where most reports break. The two sources count different things: Search Console counts clicks from Google search results, GA4 counts sessions that reached your site. They will never match, and a blend that implies they should will produce questions you cannot answer.

If you need both, put them in separate sections with a line explaining what each measures. If you blend on landing page, be aware that Search Console reports the canonical URL while GA4 reports the URL as loaded — parameters, trailing slashes and redirects will cause rows to fail to join.

Performance

Reports get slow for two reasons: too many separate data source queries on one page, and date ranges that pull more history than the charts display. Use extracted data sources for anything historical that does not change, and keep the live connector for the current period only.

Make it survivable

A report that only its author can maintain will die when that person changes role. Name your data sources properly, put a text box at the top stating what the report covers and when the data cuts off, and avoid calculated fields that encode business logic nobody else knows about.