The question of which tap beer is best is subjective and largely depends on individual preferences. The "best" tap beer for one person may not be the same for another. However, there are a few factors that can contribute to the overall quality and enjoyment of a tap beer:

1. Freshness: Freshly brewed and properly stored tap beer tends to have superior flavor and aroma. Look for establishments that prioritize rotating their beer kegs regularly to ensure freshness.

2. Quality of Ingredients: The quality of the ingredients used in brewing the beer can greatly impact its taste. Beers made commercial beer tap system with high-quality malts, hops, yeast, and water tend to have more complex flavors and better overall balance.

3. Style and Variety: Different beer styles cater to various preferences. Some people may prefer light and crisp lagers, while others may enjoy hop-forward IPAs or rich and malty stouts. The best tap beer for you will depend on your personal taste and the style that you enjoy the most.

4. Proper Serving and Handling: Tap beer should be served at the appropriate temperature and carbonation level for its style. Additionally, the cleanliness of the tap lines, faucets, and glassware can also impact the quality of the beer. Well-maintained tap systems and proper serving techniques contribute to a better beer-drinking experience.

5. Local Craft Breweries: Many beer enthusiasts enjoy exploring the offerings of local craft breweries. These breweries often prioritize quality and experimentation, producing unique and flavorful beers. Visiting a local brewery or taproom can provide an opportunity to try fresh and innovative beers straight from the source.

Ultimately, the best tap beer is the one that satisfies your personal taste preferences and offers an enjoyable drinking experience. It's worth trying different styles, brands, and breweries to discover your own favorites. Beer tasting events, brewery tours, and recommendations from knowledgeable beer enthusiasts can also help guide you in finding tap beers that align with your preferences.