air.dev vs zenn.dev

Market traction comparison · Updated Jul 2026

air.dev

zenn.dev

	air.dev	zenn.dev	Leads
Monthly Visits	167.1K	5.3M	zenn.dev
Bounce Rate	54.4%	69.4%	air.dev
SEO & Keywords	20	30	zenn.dev
Domain Age	7y 5m	6y 10m	air.dev

air.dev leads in 2 of 4 dimensions, while zenn.dev leads in 2.

Growth Momentum

air.devzenn.dev

	air.dev	zenn.dev	Leads
Monthly Visits	167.1K	5.3M	zenn.dev
MoM Change	+19%	-6%	air.dev
Avg. Session	0m18s	2m01s	zenn.dev
Pages / Visit	1.3	1.9	zenn.dev

Growth Momentum · Insight

air.dev is growing faster (+19%) but visitors stay 6.8x shorter (0m18s vs 2m01s). Rapid growth with declining engagement depth often signals lower-quality traffic or shallow product usage.

Acquisition Strategy

	air.dev	zenn.dev	Leads
Primary Channel	Search 44%	Search 54%
Bounce Rate	54.4%	69.4%	air.dev
SEO & Keywords	20	30	zenn.dev

air.dev

Search 44%Direct 36%Social 1%Referral 13%Email 6%

zenn.dev

Search 54%Direct 23%Social 8%Referral 14%

SearchDirectSocialReferralPaidEmail

air.dev OnlySharedzenn.dev Only

Keyword Overlap Rate: 47%

Acquisition Strategy · Insight

air.dev acquires users primarily through Search (44%), while zenn.dev relies on Search (54%). This reflects fundamentally different go-to-market strategies — air.dev's higher direct traffic suggests stronger brand recognition or product-led growth, while zenn.dev's search reliance means growth is more scalable but more vulnerable to algorithm changes.

Business Maturity

	air.dev	zenn.dev	Leads
Domain Age	7y 5m	6y 10m	air.dev
Registered	Mar 2019	Nov 2019
Expires	Mar 2028	Nov 2026

Business Maturity · Insight

air.dev has been in the market 1 years longer (7y vs 7y). air.dev's longer track record suggests established operations, while zenn.dev's entry timing indicates the market still attracts new players.

Market Position

	air.dev	zenn.dev	Leads
Global Rank	#319.2K	#15.2K	zenn.dev
Category Rank	#4.3K	#30	zenn.dev
PH Upvotes	262	—

air.devzenn.dev

🇺🇸 United States

23%

🌐 China

13%

🇩🇪 Germany

12%

air.dev only

🇰🇷 South Korea 5%🇬🇧 United Kingdom 5%

zenn.dev only

🇯🇵 Japan 94%🌐 Taiwan 0%

Market Position · Insight

zenn.dev is heavily concentrated in Japan (94%), creating dependency risk on a single market. air.dev has a more diversified audience.

Each has untapped markets the other serves: air.dev could expand into Japan, Taiwan, while zenn.dev could target South Korea, United Kingdom.

Key Takeaways

•zenn.dev is losing traffic (-6%) despite 5.3M monthly visits. air.dev's +19% growth puts it on a trajectory to overtake.
•air.dev is growing faster (+19%) but visitors stay 6.8x shorter (0m18s vs 2m01s). Rapid growth with declining engagement depth often signals lower-quality traffic or shallow product usage.
•air.dev acquires users primarily through Search (44%), while zenn.dev relies on Search (54%). This reflects fundamentally different go-to-market strategies — air.dev's higher direct traffic suggests stronger brand recognition or product-led growth, while zenn.dev's search reliance means growth is more scalable but more vulnerable to algorithm changes.
•zenn.dev receives 31.5x more monthly traffic than air.dev (5.3M vs 167.1K).
•air.dev is growing (+19%) while zenn.dev is declining (-6%).
•zenn.dev keeps visitors significantly longer (2m01s avg session vs air.dev's 0m18s), suggesting deeper product engagement or stickier content.

You've seen the gap. Now steal the playbook.

A Growth Teardown reverse-engineers exactly how each product grows — traffic sources, backlink strategy, keyword gaps, and scored action items you can copy this week.