Tags play a crucial role in YouTube's search engine optimization (SEO) by assisting the platform in categorizing your content. Proper tagging can enhance your video's visibility in search results and recommendations, leading to increased viewership.

To select effective tags:

• Research Keywords: Identify relevant keywords with substantial search volume.
• Use a Mix: Incorporate both broad and specific (long-tail) keywords.
• Include Synonyms: Consider different terms users might use to find similar content.
• Analyze Competitors: Observe tags used in top-performing videos within your niche.

While there's no strict limit, it's advisable to use a moderate number of relevant tags. Over-tagging can confuse the algorithm, so focus on quality over quantity.

Yes, the order is significant. Place your primary keyword or most important tag first, as YouTube's algorithm gives more weight to the initial tags.

Updating tags on older videos can be beneficial, especially if new relevant keywords have emerged. Regularly revisiting and optimizing tags can help maintain or improve a video's visibility.

Yes, using unrelated or misleading tags can negatively impact your video's ranking. It's essential to use tags that accurately reflect your content to ensure it reaches the appropriate audience.

Tags are used internally by YouTube to understand and categorize your content, while hashtags are visible to viewers and are used to highlight specific topics or trends related to your video.

Yes, several tools can assist in generating relevant tags by analyzing search trends and keyword performance, helping you optimize your video's reach.

Proper tagging helps YouTube's algorithm associate your video with similar content, increasing the chances of your video appearing in the "related videos" section, thereby enhancing discoverability.