80
Simple Custom CSS and JS
A handy little snippet injector with a few sneaky Pro traps.
HealthyGrowing
80/100
This lightweight tool works well for basic snippets but hides essential functionality behind a Pro upgrade.
Active installs
~650,000
our estimate · wp.org shows 600k+
Rating
4.4★
103 ratings
Trend · vs a year ago
+28%
Growing fast
1,697 → 2,172 installs/day
Downloads over time
real new installs per day · release spikes shown separately from the trend2025-04-302025-08-082025-11-162026-02-232026-06-03
organicrelease spikerelease tailorganic trend · 14d rolling median
Growing fast · +28% in the last year
1,697/day a year ago→2,172/day today
Reviews
what people actually saySimple Custom CSS and JS is well-regarded as a lightweight, easy-to-use tool for injecting CSS and JS snippets into WordPress sites, though some useful features are locked behind the paid version and the free editor has notable usability gaps.
What people like
- +Easy and quick way to add custom CSS and JS snippets to any WordPress site×6
- +Solves customization problems that other CSS plugins fail to handle×2
- +Useful for adding third-party snippets like CDN links, chat widgets, and push notification scripts
- +Developer responsiveness — at least one incompatibility with another plugin was addressed
Common complaints
- −CSS load order / priority control is only available in the paid (Pro) version, forcing free users to rely on !important overrides or workarounds
- −The external file URL option is advertised in the free version but specifying the file address requires a paid upgrade, making the feature effectively unusable for free users
- −Aggressive stylelint rules introduced in a recent update enforce coding style (e.g. kebab-casing, media query prefixes) with no option to configure or disable them
- −Plugin flushes all permalink settings on install without admin confirmation, requiring manual reactivation of other plugins
- −CSS does not load on Elementor pages
- −Editor lacks basic usability features: no persistent bracket-error highlighting, no undo, and no auto-formatting
- −Custom CSS file permalink/name changes do not take effect after saving
Review trustReviews look organic
- 4.37★Verified rating — holds steady vs the raw 4.40★
- 8%One-shot reviewers — most reviewers are active community members
Reviews per month · 5★ vs lower
2023-08-192025-01-102026-06-04
5★ reviews1–4★ reviews
All-time ratings · 103 total
Latest reviews · 90 analyzed
- 2026-04-17★★★★★I recommend this plugin it – Security Reviewtomcudworth841-shot
- 2026-03-25★★★★★Splendidishraqued
- 2026-01-19★★★★★Great customer support and response to my needmichaelmatzkin
- 2025-08-18★★★★★Just what I was looking forHeath Woodward
- 2025-06-23★★★★★Great Product, Great SupportZayadur1-shot
- 2025-02-22★★★★★Very Simple and Multi-Functionaljoseeneveu
- 2025-01-06★★★★★Perfect plugin, but a few improvements for easier editing would be nice.michalrama
- 2025-01-04★★★★★Solid performance and a complete feature set for most use cases.Bjarne Oldrup
- 2024-12-09★★★★★Impacted the permalinkscode2be1-shot
- 2024-10-09★★★★★Excelente!Derley Hassen
Releases
recent versions from WordPress.org SVNFor developers & the curious
the raw signals behind the grade — none of this is on the friendly summary aboveDownload signals
Baselines are computed on organic days only — release spikes and their tails are excluded, so they're not inflated by the auto-update wave.
1,994
Baseline · median of last 7 organic days
2,196
Prior 7-day baseline
4,669
Floor · 25th percentile over 14 days
54,233
Mean release-day peak (30d)
4,586
Latest day · 2026-06-03(tail)
-9.2%
Week-over-week organic trend
Review signals
Concentration and drive-by metrics drive the review-burst and fake-review flags. 30–40% solo reviewers is normal; we only flag the extremes.
12%
Max month share · biggest single 30-day window
1.42
Distribution CV · <0.6 even, >1.5 bursty
79%
5★ share in analyzed sample
8%
Solo reviewers · only this one wp.org activity
—
Volume velocity · last 6mo vs prior 6mo
4.34 → 4.37★
Sample avg · raw → solo-filtered