Katrín Tanja Davíðsdóttir vs Fiona Sit 薛凱琪 — Instagram Profile Comparison

Compare Katrín Tanja Davíðsdóttir and Fiona Sit 薛凱琪 Instagram profiles side-by-side. Analyze followers, engagement rates, and account performance.

This page provides a detailed Instagram comparison between @katrintanja (Katrín Tanja Davíðsdóttir) and @physit (Fiona Sit 薛凱琪). With 1.6M and 1.6M followers respectively, both accounts are classified as Mega and Mega level Instagram profiles. Our analysis covers key areas including follower statistics, engagement rates, posting frequency, hashtag strategy, and authority scores.

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VS
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Profile Overview

Emberly Heba’s mom 🩷🧸🎀 2x Fittest Woman on Earth Co-Founder | @drinkdottir @empowerbydottir Fitness • Food • Coffee • Mom Life

1.6M

Followers

50%

1.4K

Following

2.9K

Posts

23%

ComparisonTrailing
Leader

WE EARN & WE LIVE TO GIVE ❤️😌 Singer/Actress/Director/Fashion brand founder @spiritunus #SPIRITUNUS

1.6M

Followers

50%

682

Following

9.7K

Posts

77%

ComparisonLeading

In this overview, @physit is currently leading the comparison with stronger numbers in 2 out of 3 primary metrics. The percentage bars reflect each account's share relative to the combined total of both profiles.

Top Performing Posts

Winner
Top post by @katrintanja

Our greatest blessing 🤍🫶🏼✨ Baby Laich coming this fall. Mom & Dad can’t wait to meet you, our little one!!!!!!

@katrintanja
200K
2.5K
Top post by @physit

祝大家在新的一年裡面,身體健康, 事事順利。2025 一定會比2024 更光,更溫暖。讓我們2025一起 做一個無悔和善良的 可爱靈魂。 May we well receive all surprises given to us in 2025 , no matter they be up or down , soft or hard , good or bad , they are all here to help us grow ❣️❣️❣️ love you all with all my heart . 新年快樂!

@physit
16.4K
372
🏆 200K likesVS16.4K likes

@katrintanja's best post achieved 200K likes, which is 183.6K more than @physit's top post at 16.4K likes. A strong top post typically indicates either viral content, high audience resonance, or effective use of Instagram's recommendation algorithm.

Key Metrics Comparison

@katrintanja(4 wins)
VS
(2 wins)@physit
1.6M
Followers
1.6M
1.4K
Following
53% ahead
682
2.9K
Total Posts
70% ahead
9.7K
2.50%
Engagement Rate
87% ahead
0.33%
39.5K
Avg Likes
87% ahead
5.1K
712
Avg Comments
69% ahead
219
🏆 katrintanja4 - 2physit

In this head-to-head comparison, @katrintanja wins 4 out of 6 categories while @physit takes 2. @katrintanja leads overall, but @physit shows notable strength in Followers.

The most significant gap appears in Engagement Rate, where @katrintanja leads by 87%.

Hashtag Performance

@katrintanja

0

With Hashtags

12

Without Hashtags

Avg per post0.0
Avg Likes0
Avg Comments0
Hashtags don't help
@physit

0

With Hashtags

12

Without Hashtags

Avg per post0.0
Avg Likes0
Avg Comments0
Hashtags don't help

Neither account currently uses hashtags in their recent posts. For accounts of this size, hashtag impact on reach is typically minimal since their content is primarily distributed through the main feed algorithm. However, strategic hashtag use can still improve discoverability for new audiences.

Engagement Trend

@katrintanja
Declining

-91.0%

Engagement change

-91%

Likes

-64%

Comments

Older posts avg73.7K
Recent posts avg6.7K
Better Trend
@physit
Growing

+86.2%

Engagement change

+80%

Likes

+431%

Comments

Older posts avg3.7K
Recent posts avg6.9K

@katrintanja shows a significant -91.0% engagement decline. This sharp drop may be influenced by one or more viral older posts that inflated the historical average, rather than indicating a genuine loss of audience interest.

@physit shows a positive 86.2% engagement growth, indicating increasing audience interest and content resonance.

Overall, @physit demonstrates the stronger engagement trajectory in this comparison.

Posting Frequency

@katrintanja

Posts/Week
12.0
Avg Days Between
0.0
Most Active Day
Tuesday
Consistency17%

@physit

Posts/Week
12.0
Avg Days Between
0.0
Most Active Day
Thursday
Consistency21%

Both accounts post approximately 12.0 and 12.0 times per week respectively. @physit achieves a higher consistency score of 21%, meaning their posting schedule is more predictable.

@katrintanja is most active on Tuesday, while @physit prefers Thursday.

Advanced Analytics

Authority Score
Winner
82
Elite
@katrintanja
Reach22/25
Engagement15/30
Ratio20/20
Consistency15/15
Verification10/10
Authority Score
70
Expert
@physit
Reach22/25
Engagement3/30
Ratio20/20
Consistency15/15
Verification10/10

The Authority Score is calculated from five weighted factors: Reach (max 25), Engagement (max 30), Follower-to-Following Ratio (max 20), Consistency (max 15), and Verification status (max 10). Scores above 80 are rated "Elite".

Account Classification

Mega

1.6M followers

Range: 1M-10M

@katrintanja

Mega

1.6M followers

Range: 1M-10M

@physit

Influence Index
Winner
77
/ 100
@katrintanja
Influence Index
67
/ 100
@physit

The Influence Index reflects an account's overall impact potential on a scale of 1-100, combining audience size with engagement quality and content activity.

Engagement Quality

@katrintanja

2.50%

Benchmark: 0.2-0.5%

Average

@physit

0.33%

Benchmark: 0.2-0.5%

Low

Following/Followers Ratio

@katrintanja

1:1.1K

Very influential

Excellent

@physit

1:2.4K

Very influential

Excellent

Content Density(posts per 1K followers)

@katrintanja

1.81

Active

@physit

6.02

Active

Content Density measures total posts per 1,000 followers. Higher values indicate more prolific content creation relative to audience size. Celebrity accounts typically show low density due to massive follower counts.

Expert Verdict & Conclusion

Overall Analysis:

After analyzing all available metrics across 5 categories, @katrintanja emerges as the narrow leader in this comparison with 3 metric wins compared to @physit's 2.


@katrintanja

@katrintanja excels in: Engagement Rate, Avg Likes, Avg Comments.

With an engagement rate of 2.50% (benchmark for this size: 0.2-0.5%), this profile demonstrates good audience interaction.

Engagement RateAvg LikesAvg Comments

@physit

@physit excels in: Followers, Posts.

FollowersPosts

Conclusion

This comparison highlights that Instagram success is multifaceted. While @physit has the larger audience (1.6M followers), @katrintanja generates deeper engagement per post (2.50%). Both accounts represent significant influence within their space on Instagram.

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Analysis FAQ

FAQ About @katrintanja vs @physit

Detailed answers about this specific comparison and metrics

Based on our real-time data, physit leads the follower count with a difference of 969 followers. Specifically, @katrintanja has 1,607,992 followers while @physit has 1,608,961 followers. Follower count is one of the most visible Instagram metrics and indicates the overall reach of each account. However, a higher follower count doesn't always mean better performance — engagement rate and content quality are equally important factors to consider when comparing Instagram profiles.

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