Why Script Length Is the Silent Algorithm Lever Tamil Creators Ignore
YouTube’s recommendation engine evaluates every video against a single north-star metric: average view duration (AVD). A script that runs too long forces the creator to rush through the second half, causing a visible retention cliff at the 60% mark. A script that is too short leaves dead air or forces awkward stretching. In both cases, the algorithm reads the audience signal as “low engagement” and deprioritises the video in Suggested and Browse feeds. For Tamil creators specifically, the pacing equation is even more nuanced: Tanglish delivery — where the speaker code-switches between Tamil emotional phrases and English technical terms — naturally runs at 120 to 140 words per minute, roughly 10–15% slower than a pure English delivery. Ignoring this calibration means your 10-minute script actually plays as 12 minutes and your audience drops off before the mid-roll ad.
The Tanglish Pacing Formula: Words, Minutes, and CPM
CPM rates in the Tamil YouTube ecosystem range from ₹40 to ₹120 depending on niche and audience geography (Tamil Nadu vs. diaspora). Since CPM is directly correlated with session time and AVD, every wasted word in your script literally costs money. The optimal strategy is to write to time, not to word count. A 10-minute target means writing exactly 1,200–1,400 Tanglish words, then trimming ruthlessly during read-through. This tool gives you that calibration instantly — paste your draft, see the projected duration at Tanglish pacing, and know exactly how many words to cut or add before you ever hit record.
For niches like Kollywood cinema reviews or tech unboxings, where audience retention windows are tighter (viewers expect the verdict fast), aim for the lower end of the range. For educational or finance content, where viewers tolerate longer explanations, you can push toward 1,400 words without risking a retention cliff. The key insight is that word count is not a vanity number — it is a direct predictor of your video’s algorithmic performance and revenue ceiling.
Worked examples: three targets, three word counts
The arithmetic below is the same calculation the tool runs, shown so you can sanity-check a draft before pasting it in. Tanglish delivery is assumed at 130 words per minute — the midpoint of the 120–140 range — and the ranges show what the slow and fast ends of that band do to the same script.