Online Leaf vs CO2Track (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
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Quick Verdict
As of April 2026, Online Leaf has a higher user rating (5/5 from 1 reviews) and leads in active installations (10 vs 0). Both are free WordPress plugins. Online Leaf has accumulated 13K+ total downloads while CO2Track has 49.
Detailed Comparison
| Metric | Online Leaf | CO2Track | |
|---|---|---|---|
| Rating | 5/5 | ◄ | N/A |
| Total Reviews | 1 | ◄ | 0 |
| Active Installs | 10 | ◄ | 0 |
| Total Downloads | 13K+ | ◄ | 49 |
| Support Resolution | N/A | N/A | |
| Last Updated | 16 years ago | ► | 1 week ago |
| First Released | 2009 | 2026 | |
| Age | 17 years | 1 month | |
| WP Requires | 2.6.1+ | 6.4+ | |
| PHP Requires | false+ | 8.0+ | |
| Business Model | Free | Free | |
| Latest Version | 1.1 | 1.1.0 |
Rating
5/5Online Leaf
◄CO2TrackN/A
Total Reviews
1Online Leaf
◄CO2Track0
Active Installs
10Online Leaf
◄CO2Track0
Total Downloads
13K+Online Leaf
◄CO2Track49
Support Resolution
N/AOnline Leaf
CO2TrackN/A
Last Updated
16 years agoOnline Leaf
►CO2Track1 week ago
First Released
2009Online Leaf
CO2Track2026
Age
17 yearsOnline Leaf
CO2Track1 month
WP Requires
2.6.1+Online Leaf
CO2Track6.4+
PHP Requires
false+Online Leaf
CO2Track8.0+
Business Model
FreeOnline Leaf
CO2TrackFree
Latest Version
1.1Online Leaf
CO2Track1.1.0
Rating Breakdown
Online Leaf
5/5(1 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%
CO2Track
0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%
Frequently Asked Questions
Is Online Leaf or CO2Track more popular?
Online Leaf has 10 active installations while CO2Track has 0. Online Leaf is the more widely-used plugin as of April 2026.
Which has better ratings — Online Leaf or CO2Track?
Online Leaf has a 5/5 rating from 1 reviews, while CO2Track has a 0/5 rating from 0 reviews.
Are Online Leaf and CO2Track free?
Online Leaf is free and CO2Track is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Online Leaf or CO2Track?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Online Leaf was last updated 16 years ago and CO2Track was last updated 1 week ago.
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.