Growth
A/B Testing (Creative Testing)
A/B testing is comparing two variants (hook, caption, thumbnail) to learn what improves retention, CTR, or conversion.
Glossary
Social Media Algorithm Glossary
A deep, practical glossary for creators and brands. Every term has a dedicated page with definitions, measurement tips, and actionable ways to improve performance—built for long-tail SEO and real execution.
Popular
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Algorithm
High Retention
High retention means viewers keep watching instead of dropping in the first seconds—one of the strongest quality signals for short-form algorithms.
Growth
Organic Reach
Organic reach is how many people you reach naturally (without ads), driven by distribution, ranking, and shares.
Metrics
CTR (Click-Through Rate)
CTR is the percentage of people who click after seeing something—thumbnail, caption, link sticker, or ad.
Metrics
Engagement Rate
Engagement rate is a ratio that estimates how strongly people interact with your content relative to reach, views, or followers.
A
A
Metrics
Average Watch Time
Average watch time is the average number of seconds people watch your video—one of the strongest distribution signals for short-form content.
C
C
Metrics
Completion Rate
Completion rate is the percentage of views that watch your video to the end—especially important for short videos.
Growth
Content Pillars
Content pillars are your repeatable topic buckets (3–5) that keep your brand consistent and make growth compounding.
Metrics
Conversion Rate
Conversion rate is the percentage of people who take your desired action (buy, sign up) after clicking or visiting.
Metrics
CPC (Cost per Click)
CPC is how much you pay for each click. It depends on CPM and CTR (higher CTR often lowers CPC).
Metrics
CPM (Cost per 1,000 Impressions)
CPM is how much you pay for 1,000 ad impressions. It reflects auction competition and targeting, not just creative quality.
Growth
CTA (Call to Action)
A CTA is the action you want the viewer to take next (follow, comment, click, save). Strong CTAs improve CTR and conversion.
Metrics
CTR (Click-Through Rate)
CTR is the percentage of people who click after seeing something—thumbnail, caption, link sticker, or ad.
D
D
Metrics
Dwell Time
Dwell time is how long someone spends on your content (post, carousel, profile) before moving on—often a hidden quality signal.
E
E
Metrics
Engagement Rate
Engagement rate is a ratio that estimates how strongly people interact with your content relative to reach, views, or followers.
F
F
Algorithm
For You Page (FYP)
The For You Page is TikTok’s discovery feed, where distribution is mostly non-follower and driven by performance signals.
H
H
Growth
Hashtag Strategy
Hashtag strategy is choosing relevant, consistent hashtags (broad + niche) to help classification and discovery—without relying on spam.
Algorithm
High Retention
High retention means viewers keep watching instead of dropping in the first seconds—one of the strongest quality signals for short-form algorithms.
Metrics
Hook Rate
Hook rate is how many viewers stay past the first seconds—your “first impression” metric for short-form videos.
K
K
Growth
Keyword SEO (Social Captions)
Keyword SEO on social means using clear, relevant words in captions/on-screen text so platforms can classify and surface your content.
O
O
Growth
Organic Reach
Organic reach is how many people you reach naturally (without ads), driven by distribution, ranking, and shares.
P
P
Growth
Posting Cadence
Posting cadence is how often you publish. Consistent cadence improves learning speed, audience training, and algorithm classification.
Growth
Profile Optimization
Profile optimization is making your profile instantly clear and credible so visitors convert into followers and clicks.
R
R
Algorithm
Ranking Signals
Ranking signals are the behaviors and metadata platforms use to decide what to show users (watch time, shares, relevance, relationships).
Metrics
ROAS (Return on Ad Spend)
ROAS measures revenue generated per dollar spent on ads. It’s the headline profitability metric for performance campaigns.
S
S
Metrics
Save Rate
Save rate measures how often people save your post—high-intent engagement that can compound reach over time.
Algorithm
Shadowban (Myth vs. Reality)
“Shadowban” is often a catch-all explanation for reach drops. Real causes are usually topic drift, weak hooks, spam signals, or audience mismatch.
Metrics
Share Rate
Share rate measures how often viewers share your content—one of the strongest “this is valuable” distribution signals.
Growth
Social Proof
Social proof is visible credibility (followers, likes, comments, reviews) that reduces doubt and increases conversion from cold traffic.
T
T
Growth
Trending Sounds
Trending sounds are audio tracks gaining momentum. Using them can help discovery when the content and niche still match.
U
U
Growth
UGC (User-Generated Content)
UGC is content made by customers or creators about your brand. Great UGC acts as social proof and can lift conversion.
V
V
Algorithm
Velocity (First-Hour Velocity)
Velocity is how fast a post earns signals early (watch time, shares, comments). Early velocity can trigger a second wave of distribution.