planetary.org vs space.com
Market traction comparison · Updated Jul 2026
| planetary.org | space.com | Leads | |
|---|---|---|---|
| Monthly Visits | 483.1K | 11.4M | space.com |
| Bounce Rate | 49.9% | 60.8% | planetary.org |
| SEO & Keywords | 30 | 30 | Tie |
| Domain Age | 31y 4m | 28y 6m | planetary.org |
planetary.org leads in 2 of 4 dimensions, while space.com leads in 1.
Growth Momentum
| planetary.org | space.com | Leads | |
|---|---|---|---|
| Monthly Visits | 483.1K | 11.4M | space.com |
| MoM Change | -11% | +24% | space.com |
| Avg. Session | 0m44s | 1m06s | space.com |
| Pages / Visit | 1.7 | 1.6 | planetary.org |
Growth Momentum · Insight
planetary.org is losing traffic (-11%) despite 483.1K monthly visits. space.com's +24% growth puts it on a trajectory to overtake.
Acquisition Strategy
| planetary.org | space.com | Leads | |
|---|---|---|---|
| Primary Channel | Search 46% | Search 42% | |
| Bounce Rate | 49.9% | 60.8% | planetary.org |
| SEO & Keywords | 30 | 30 | — |
Keyword Overlap Rate: 15%
| Keyword | Volume | planetary.org | space.com |
|---|---|---|---|
| supermoon | 4.2K | #8 | #10 |
Acquisition Strategy · Insight
planetary.org acquires users primarily through Search (46%), while space.com relies on Search (42%). This reflects fundamentally different go-to-market strategies — planetary.org's higher direct traffic suggests stronger brand recognition or product-led growth, while planetary.org's search reliance means growth is more scalable but more vulnerable to algorithm changes.
Business Maturity
| planetary.org | space.com | Leads | |
|---|---|---|---|
| Domain Age | 31y 4m | 28y 6m | planetary.org |
| Registered | Apr 1995 | Feb 1998 | |
| Expires | Apr 2029 | Feb 2027 |
Business Maturity · Insight
planetary.org has been in the market for over a decade, indicating established presence.
Market Position
| planetary.org | space.com | Leads | |
|---|---|---|---|
| Global Rank | #124.3K | #7.3K | space.com |
| Category Rank | #24 | #3 | space.com |
planetary.org only
space.com only
Market Position · Insight
Each has untapped markets the other serves: planetary.org could expand into China, while space.com could target Australia.
Key Takeaways
- •planetary.org is losing traffic (-11%) despite 483.1K monthly visits. space.com's +24% growth puts it on a trajectory to overtake.
- •planetary.org acquires users primarily through Search (46%), while space.com relies on Search (42%). This reflects fundamentally different go-to-market strategies — planetary.org's higher direct traffic suggests stronger brand recognition or product-led growth, while planetary.org's search reliance means growth is more scalable but more vulnerable to algorithm changes.
- •space.com receives 23.6x more monthly traffic than planetary.org (11.4M vs 483.1K).
- •space.com is growing (+24%) while planetary.org is declining (-11%).
- •space.com keeps visitors significantly longer (1m06s avg session vs planetary.org's 0m44s), suggesting deeper product engagement or stickier content.
- •planetary.org has a 11 percentage point lower bounce rate (50% vs 61%), indicating better landing page relevance or more targeted traffic.
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Report based on data from July 2026