Who is Sergi Cabrer aka kostyxd?

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Sergi Cabrer: Capturing Youthful Energy and Everyday Moments from Mallorca

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Sergi Cabrer is a Mallorca-based content creator known for consistently engaging Spanish-speaking Gen Z viewers on TikTok and Instagram. He built his following by sharing personal, humor-driven content often tied to his own lifestyle, friendships, and day-to-day observations. His videos regularly trend due to their relatable tone, simple visuals, and sharp timing. Most of his content includes candid commentary, facial reactions, or POV-style storytelling.

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On TikTok, Sergi is known for posting late-night reaction videos and using trending Spanish audio to boost visibility. He frequently incorporates casual phrases and slang to maintain a conversational, peer-level tone with followers. His comedic timing is key—he often uses pauses, expressions, or irony to land humor that resonates with younger audiences. This has earned him over 3.1 million followers and a strong track record of organic engagement.

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Instagram serves as a secondary platform where Sergi shares more curated visuals, personal selfies, and close-knit interactions with fans. While not as high-volume as TikTok, his posts here tend to spark deep engagement due to his loyal fanbase. He maintains a consistent aesthetic rooted in natural lighting and relaxed poses, presenting himself as both accessible and aspirational. His reels often mirror his TikTok energy but with slightly more polish.

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Beyond numbers, Sergi’s appeal lies in his ability to reflect everyday Gen Z sentiments without overproduction or scripted behavior. Whether he's making fun of school habits, reacting to DMs, or joking about dating culture, his style is grounded in familiarity. He rarely relies on professional edits or filters, which makes his content feel more genuine. This consistency is what keeps his engagement strong despite relatively low posting frequency.

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An Influencer Active on Social Media

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Sergi Cabrer maintains an active and high-performing presence on TikTok and Instagram, appealing to young, Spanish-speaking audiences through humor and personal expression.

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Sergi Cabrer's Social Media Strategy Analysis

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TikTok: Where Humor and Youth Culture Drive Growth

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Sergi Cabrer’s TikTok handle, @kostyxd, is his most active and high-performing platform with over 3.1 million followers. His posting frequency of 2.6 videos per week reflects a steady rhythm, typically uploading during early morning hours around 12 PM EST. His content leans into relatable teen scenarios, using casual delivery and facial expressions instead of heavy effects or transitions. Sergi frequently taps into trending Spanish audio and ironic skits that mirror real-life school, dating, or friendship dynamics.

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He leverages a low-effort visual style that emphasizes authenticity, often shooting indoors with simple backdrops like bedrooms or bathrooms. This makes his content approachable and aligns with his audience’s everyday environment. His 1.46% engagement rate is boosted by consistently relatable hooks—often short intros that immediately present a funny or exaggerated situation. Despite the simplicity, his videos regularly exceed 400K views on average.

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Sergi avoids long captions and relies on quick comment section engagement to boost interaction post-release. His use of hashtags is intentional and limited—he tends to use 2–3 relevant trending terms rather than bulk tagging. His humor plays on shared cultural quirks in Spain, especially slang or habits among high school and university students. This cultural alignment makes his videos widely shareable within peer groups.

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While his growth on TikTok has plateaued in the last 30 days (+0%), his consistent viewership and high average engagement (45.2K per video) show long-term retention. He doesn’t experiment much with format changes, which helps maintain follower expectations. Most of his top-performing content avoids collaboration and focuses on solo reactions or first-person jokes. His effectiveness comes from predictability, timing, and humor his fans can quote or reenact.

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• Username: @kostyxd
• Influence Score: 88.1/100
• Followers: 3.1M
• Activity: 2.6 videos/week
• Engagement Rate: 1.46%
• Growth (30 days): 0%
• Average Engagement: 45.2K
• Posting Habits: 3 times a week at 12 PM EST

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Instagram: A Snapshot-Based Extension of His Persona

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On Instagram, Sergi posts under @sergicabrer with a growing community of 181K followers. His recent 30-day growth of +4.26% (+7.3K followers) shows healthy platform momentum fueled by story interactions and reel performance. He publishes around 5 posts per month, primarily consisting of selfies, behind-the-scenes moments, and brief humorous captions. While TikTok is his comedic outlet, Instagram leans into personality and lifestyle display.

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What makes Sergi’s Instagram stand out is his exceptionally high engagement rate of 24.75%, with an average of 44.8K interactions per post. He avoids overproduced visuals and instead posts casual mirror selfies, group shots with friends, and brief video clips that feel spontaneous. This approach sustains intimacy and connection—fans see the person behind the TikToks. His profile aesthetics lean toward darker tones, often using warm filters and minimal edits.

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Sergi maintains consistency in his visual identity, often featuring curly hair, oversized streetwear, and expressive facial close-ups. These recurring elements have become identifiers among his fanbase and help make his feed instantly recognizable. He also occasionally integrates viral trends from TikTok into his reels, using the same audio or theme for cohesion. However, he rarely cross-posts content directly—Instagram is treated as a standalone space.

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His Instagram is used for more intentional brand visibility and community reinforcement. While TikTok drives viral reach, Instagram drives fan loyalty, often through DMs and story polls. He posts once a week around 8 AM EST, strategically timed to hit evening browsing hours in Spain. Overall, his strategy centers on low-frequency, high-impact moments that reflect personality and deepen audience trust.

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• Username: @sergicabrer
• Influence Score: 90.5/100
• Followers: 181K
• Activity: 5 posts/month
• Engagement Rate: 24.75%
• Growth (30 days): +4.26%
• Average Engagement: 44.8K
• Posting Habits: Once a week at 8 AM EST

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Kostyxd's Social Media Influence Summary

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Sergi Cabrer holds a Favikon Influence Score of 9,014 points, placing him among the most influential young creators in Spain. He ranks in the Top 1% on Instagram Spain and the Top 2% globally in video entertainment. His consistent engagement and personal content have secured a strong foothold in the Spanish-speaking creator space. These rankings emphasize his momentum within lifestyle and Gen Z-focused digital niches.

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Learn more about the Favikon Methodology here

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Content Strategy: Capturing Gen Z Life with Humor, Vibes, and Visual Consistency

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Sergi’s content strategy is designed for immediacy and emotional connection. He avoids scripted formats and instead relies on quick reactions, observations, and expressions—making his videos instantly accessible. Hashtags, trending audio, and Spanish slang are tools he uses with intention, boosting his content's relevance among local youth. Unlike many creators who pivot heavily into branded content, Sergi’s strategy remains focused on personality-driven reach. This makes every brand mention or promotion feel integrated and rare, maintaining audience trust. His content feels light but consistent—something that appeals to both platforms' algorithms and users’ attention spans.

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Reachability and Partnerships

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Sergi Cabrer is highly reachable for partnerships that align with Spanish Gen Z lifestyle and humor. His brand collaborations are rare but effective, often appearing casually in a reel or a TikTok skit without disrupting his tone. He avoids scripted brand shoutouts and prefers natural integration—products shown mid-routine or mentioned through voiceover while joking. Campaigns tied to youth fashion, phone accessories, or Spanish teen culture are most likely to perform well.

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He posts consistently late at night (around 12 PM EST on TikTok and 8 AM EST on Instagram), targeting peak viewing times for his local teen audience. His high Instagram engagement rate (24.75%) suggests strong audience loyalty, especially for soft-sell product placements or visual integrations. He does not oversaturate his feed with promotions, which increases trust when collaborations do appear. For brands looking to enter Spain’s youth market, Sergi offers direct access to an audience that values humor, casual tone, and personality-first content.

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Conclusion: A Rising Voice in Spain’s Youth-Driven Digital Culture

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Sergi Cabrer is a fast-rising digital voice among Spain’s Gen Z creators. With a loyal following across TikTok and Instagram, a casual yet emotionally grounded content style, and strong performance rankings, he presents a powerful option for brands aiming to tap into youth culture. Whether capturing personal moments or riding viral trends, Sergi’s content remains distinctly his own—anchored in humor, connection, and cultural fluency.

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