Custom CSS Plugin: WordPress Speed Profile
Custom CSS is a WordPress plugin used on 1K+ sites.
Repeated attempts to activate this plugin in our sandbox failed without a clear fatal signature — typically a silent error, undefined constant, or early wp_die(). We could not measure performance impact. Consult the plugin's support forum for known issues before installing.
Performance Analysis
Performance Impact
We have not yet benchmarked Custom CSS, so we cannot report a measured speed score.
This plugin may have a significant performance impact. Consider lighter alternatives if speed is a priority for your site.
Maintenance Status
Last updated: 2017-11-28. Trusted by 1K+ active installations.
Note: Speed scores are estimated from plugin metrics. Real-world performance varies depending on your server configuration, other active plugins, and how you use the plugin.
Find slow plugins on your own site
WP Multitool scans your WordPress site for slow queries, memory hogs, and performance bottlenecks - in one click.
Want a real human to dig into your specific site?
I offer a WordPress performance audit - slow queries, plugin overhead, autoload bloat. Written report, prioritized fix list. $299 flat, 48h turnaround.
Alternatives to Custom CSS
| Plugin | Speed Score | Active Installs |
|---|---|---|
| MonsterInsights | B+ | 2M+ |
| GTM4WP | A- | 700K+ |
| Header Footer Code Manager | A- | 600K+ |
Plugin reviews, speed optimization guides, and error debugging — straight to your inbox.
No spam. Unsubscribe anytime. We respect your privacy.