Question 1

What is the ideal YouTube video length?

Accepted Answer

The ideal YouTube video length depends on content type and audience. Tutorial and educational videos perform best at 8–15 minutes, as this length qualifies for mid-roll ads and signals depth to the algorithm. Vlogs and commentary work well at 10–20 minutes. Short-form YouTube Shorts max out at 60 seconds. For B2B channels, 7–12 minutes is generally the sweet spot — long enough to deliver real value and establish authority, short enough to retain a professional audience.

Question 2

How long should a LinkedIn video be?

Accepted Answer

LinkedIn native videos perform best between 1–3 minutes. Videos under 30 seconds tend to underperform because they don't provide enough value or context for a professional audience. Videos over 5 minutes see a sharp drop-off in completion rates on LinkedIn. For LinkedIn video ads, 15–30 seconds is optimal for awareness campaigns, while 60–90 seconds works well for consideration-stage ads targeting warm audiences.

Question 3

What is the best TikTok video length for engagement?

Accepted Answer

TikTok videos between 21–34 seconds consistently see the highest completion rates. Videos in the 60–90 second range perform well for educational or tutorial content. TikTok now supports videos up to 10 minutes, but most B2B brands see the best engagement with 30–60 second videos that deliver a single sharp insight or tip. The algorithm rewards completion rate, so a fully-watched 20-second video outperforms a 3-minute video with 30% completion.

Question 4

Does video length affect YouTube algorithm ranking?

Accepted Answer

Yes — watch time and audience retention are two of YouTube's most important ranking signals. Longer videos have higher absolute watch time potential, which is why 8–15 minute videos often outrank shorter videos on competitive keywords. However, a 5-minute video with 70% average retention will outrank a 15-minute video with 30% retention. The algorithm optimizes for keeping viewers on YouTube, so videos that hold attention — regardless of length — perform best.

Question 5

How long should a B2B explainer video be?

Accepted Answer

A B2B homepage explainer video should be 60–120 seconds — long enough to communicate the problem, solution, and differentiation, but short enough to hold the attention of a busy decision-maker. Product demo videos can run 2–5 minutes when covering a specific feature or use case. Full product walkthrough demos for sales purposes can be 10–20 minutes, but should be structured with chapters so prospects can navigate to relevant sections.

Question 6

What is the ideal length for a video ad?

Accepted Answer

Video ad length varies by platform and campaign goal. For YouTube pre-roll (skippable), 15–30 seconds for awareness and 60–90 seconds for consideration. For Meta/Facebook video ads, 15–30 seconds drives the best cost-per-click for cold audiences. For LinkedIn video ads, 15–30 seconds for awareness, 60–90 seconds for warm retargeting. For TikTok ads, 9–15 seconds for awareness and 21–34 seconds for engagement campaigns. Always match length to the viewer's expected attention span on that platform.

Platform	Min Length	Max Length	Sweet Spot	Max Upload
YouTube	1 min	12 hours	8-12 min	12 hours
TikTok	15 sec	10 min	30-90 sec	10 min
Instagram Reels	15 sec	90 sec	30-60 sec	90 sec
LinkedIn	3 sec	10 min	1-3 min	10 min
Facebook	1 sec	240 min	1-3 min	240 min
Twitter/X	0.5 sec	140 sec	30-45 sec	2:20
Website	No min	No max	60-120 sec	N/A
Email	15 sec	2 min	30-60 sec	N/A

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