Head-to-head · October 2026
DD – Flexible Sidebars vs Simple Custom CSS Plugin
Simple Custom CSS Plugin comes out ahead, winning 7 of 7 head-to-head checks against DD – Flexible Sidebars.
DD – Flexible Sidebars
Dynamically create, populate and advice individual sidebars for any post, page or attachment. Adds a field in…
Simple Custom CSS Plugin
Add Custom CSS to your WordPress site without any hassles. An easy-to-use WordPress Plugin to add custom CSS…
| Metric | DD – Flexible Sidebars | Simple Custom CSS Plugin |
|---|---|---|
| Active installs | 10+ | 100K+ |
| Downloads (30 days) | 49 | 7.4K |
| Download trend | -21% | +1.3% |
| Rating | — | 4.7/5 |
| Reviews | 0 | 159 |
| Health score | 23/100 | 51/100 |
| Last updated | 11 years ago | 2 years ago |
| Tested up to | WP 4.4.0 | WP 6.7.10 |
| Support resolved | — | — |
| Requires PHP | Any | Any |
| First released | Nov 2015 | Aug 2013 |
Daily downloads, last 90 days
DD – Flexible SidebarsSimple Custom CSS Plugin
Choose DD – Flexible Sidebars if…
You prefer its feature set and workflow — it holds its own on the fundamentals.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 10 years
- Only tested up to WordPress 4.4 (latest is 7.1)
Choose Simple Custom CSS Plugin if…
You care most about active installs, downloads (30 days) and download trend.
- Proven at scale on 100K+ active sites
- Loved by users — 4.7/5 from 159 reviews
- No update in over a year
- Only tested up to WordPress 6.7 (latest is 7.1)
Both compete in: custom
FAQ
DD – Flexible Sidebars vs Simple Custom CSS Plugin: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 19, 2026
Which is better, DD – Flexible Sidebars or Simple Custom CSS Plugin?
Simple Custom CSS Plugin comes out ahead, winning 7 of 7 head-to-head checks against DD – Flexible Sidebars. Choose Simple Custom CSS Plugin if you care most about active installs, downloads (30 days) and download trend.
Is DD – Flexible Sidebars more popular than Simple Custom CSS Plugin?
Simple Custom CSS Plugin is the more popular of the two with 100K+ active installs, compared with 10+ for DD – Flexible Sidebars.
Can I use DD – Flexible Sidebars and Simple Custom CSS Plugin together?
Both plugins cover custom, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are DD – Flexible Sidebars and Simple Custom CSS Plugin free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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