Allows internal CSS styling to be included in the content of the page.
56 health vs 67 average across 1,682 Blocks plugins
Directory ranking optimization
How it's scored →How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.
Room to improve
Biggest win: Update recency
To rank higher: Last updated 655 days ago — ship an update; wp.org decays a listing's search weight after ~180 days.
Get the full rank-higher report →Daily downloads
Since 2022-10-05 · 1,426 days · wp.org + Plugin Pulse archive
30-day downloads
Rolling 30-day volume · peaks are release surges
35
now · peak 157
Directory rank vs rivals
wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you
Rating trend
Star average over time · dips mark rough releases
Update activity
How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.
Release cadence
No release in a yearHow often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.
0
releases in the last 12 months
1.8y ago
latest release · v2.3.1
19
tagged releases on record
Recent releases
What its installed base runs
via wordpress.orgShare of active installs on each version of this plugin · 100% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.
Estimated active installs
The public count shows “20+”. Our estimate pins where the real number sits.
Modeled within the band wp.org reports; tightens as we track daily.
Install history · since 2015-09-07 · 1,386 observations
Estimated value
What this plugin might earn a year, and what it might sell for. Modeled from public signals; we don't see anyone's books.
Est. annual revenue
Est. acquisition value
No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from.
Details
Recent reviews
All reviews on wp.org ↗- ★★★★★ bobbingwide12.9y ago
As the author of this plugin I’m obviously biased. I realise that giving the user the capability of defining their own CSS could be just as dangerous as giving them access to TinyMCE. But if it saves the author time then it can also save them money. I used to frown upon the use of internal CSS, but now I’m a big fan. Using internal CSS can help reduce the size of the CSS file delivered to the browser. It’s also less likely to adversely affect the formatting of other pages. Note: internal CSS, also known as embedded CSS, is the stuff that is put in the style tags. This is different from inline CSS – which is defined with the style tag. I did have one niggle, which was that I had to fiddle with filters to handle strange behaviour with wpautop() processing. But I’m not the first person to have suffered this and won’t be the last. The problem was that there was a chance that activating this plugin would break the formatting of content that relied on certain side effects of the default filters run for ‘the_content’. In v0.8.0 the autop processing has been improved. The
Read on wp.org ↗ - ★★★★★ herbmiller12.9y ago
The oik-css plugin is great for creating custom CSS just where it’s needed. It’s especially useful when you want to apply some styling to a specific field on a specific page. I often combine it with oik shortcodes to override default behaviour. The [bw_geshi] shortcode is also very useful for documenting CSS, PHP, HTML and JavaScript/jQuery. Note: I also use the oik custom CSS AND/OR Jetpack’s Edit CSS option.
Read on wp.org ↗
Behavioral tests
via WP HiveAutomated install-time checks, tested on PHP 8.1.12 · WP 6.7
Languages
via translate.wordpress.orgTranslated into 1 language, 0 at 90% or more
Growth timeline
Install-tier crossings we have observed, and how long each tier took to outgrow
- 2026-08-31 10+ → 20+ up after 80 days in tier
- 2026-06-12 20+ → 10+ down after 13 days in tier
- 2026-05-30 10+ → 20+ up after 5 days in tier
- 2026-05-25 20+ → 10+ down after 6 days in tier
- 2026-05-19 10+ → 20+ up after 1 days in tier
- 2026-05-18 20+ → 10+ down after 1 days in tier
- 2026-05-17 10+ → 20+ up after 1 days in tier
- 2026-05-16 20+ → 10+ down after 3 days in tier
Competes with
The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).
-
oik 2K+ installs · 3.9★ · 2 shared tags B -
CP Blocks 1K+ installs · 4.4★ · 2 shared tags A -
WPCode – Insert Headers and Footers + Custom Code Snippets – WordPress Code Manager 3M+ installs · 4.9★ · 1 shared tag A -
Code Snippets 1M+ installs · 4.7★ · 1 shared tag A
-
Spectra Legacy – Gutenberg Blocks 1M+ installs · 4.7★ · 1 shared tag A -
Kadence Blocks — Page Builder Toolkit for Gutenberg Editor 600K+ installs · 4.8★ · 1 shared tag A
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<iframe src="https://plugins.wpmayor.com/embed/oik-css" width="480" height="300" style="border:0" loading="lazy" title="oik-css — Plugin Pulse"></iframe> oik-css: 20+ active installs, 4.5★ (2 reviews). Plugin Pulse (WP Mayor), as of 2026-08-31. https://plugins.wpmayor.com/plugin/oik-css