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wp.org search vs our merit ranking: “pdf lightbox”

wp.org orders by popularity, so a plugin a host bundled onto millions of sites, or a big-brand one that's slow and mediocre, can sit at the top. Our ranking is built to answer a different question: which of these is actually worth installing. How this works →

For “pdf lightbox”, we agree with wp.org on the top plugin, and our order differs from theirs on 13 of the top 20. 2 plugins are pushed down for signals wp.org ignores: errors, a host-installed base, or removal risk.

wp.org search ranks on

Install count (uncapped), the raw star average, freshness, and support. Popularity dominates, so the biggest install base usually wins regardless of how it got there.

We add

A cap on the install boost, volume-weighted ratings, and signals wp.org can't see: whether it throws errors on current PHP, whether the install base is organic or host-pushed, and its risk of being pulled.

Ranked above its merit

Flipa PDF Flipbook – PDF Viewer and Page Flip Book shows at wp.org #9 but places #20 on merit, a gap of 11 places. Its 800+ installs carry it up the search order; its 5.0★ average from 4 reviews, plus freshness and upkeep, place it lower on our volume-weighted scale.

Buried gem

Germanized for WooCommerce places #11 on merit, 4.8★ from 496 reviews, but shows at wp.org #22. A smaller install base keeps it further down the default search order than its quality signals alone would.

merit plugin wp.org
1 Firelight Lightbox 200K+ · 4.8★ (361) wp.org #1 ↑1 2 DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer 200K+ · 4.9★ (194) wp.org #2 ↓1 3 Wonder PDF Embed 8K+ · 4.5★ (13) wp.org #3 ↑4 4 LightPress Lightbox 40K+ · 4.6★ (72) wp.org #4 ↓1 5 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery 70K+ · 4.8★ (182) wp.org #10 ↑1 5 too low 6 PDF Poster – Let visitors read PDF’s without leaving the page 20K+ · 4.5★ (149) wp.org #7 ↓2 1 too low 7 Slider by Soliloquy – Responsive Image Slider for WordPress 30K+ · 4.7★ (1025) wp.org #16 ↑2 9 too low 8 ARI Fancy Lightbox – Popup for WordPress 10K+ · 4.7★ (71) wp.org #13 5 too low 9 W WP Photo Album Plus 10K+ · 4.7★ (199) wp.org #11 ↑1 2 too low 10 Real3D Flipbook – 3D Flipbook, PDF Flipbook, PDF Viewer, PDF Embedder 10K+ · 4.5★ (11) wp.org #6 4 too high 11 Germanized for WooCommerce 70K+ · 4.8★ (496) wp.org #22 ↓1 11 too low 12 Essential Addons for Elementor – Popular Elementor Templates & Widgets 1M+ · 4.9★ (4132) wp.org #18 ↓2 6 too low 13 FancyBox for WordPress 30K+ · 4.6★ (92) wp.org #15 ↑2 2 too low 14 Pdf Embed 10K+ · 5.0★ (6) wp.org #5 ↓1 9 too high 15 EmbedPress 100K+ · 4.8★ (307) wp.org #19 ↓10 4 too low 16 Media Library Assistant 70K+ · 4.8★ (202) wp.org #23 7 too low 17 flowpaper 10K+ · 3.4★ (38) wp.org #12 ↑2 5 too high 18 All In One Lightbox – show any media in beautiful popups 3K+ · 5.0★ (7) wp.org #8 10 too high 19 Document Embedder – let visitors read files without downloading 9K+ · 4.9★ (120) wp.org #24 5 too low 20 Flipa PDF Flipbook – PDF Viewer and Page Flip Book 800+ · 5.0★ (4) wp.org #9 ↑1 11 too high 21 TNC FlipBook 3D – PDF Flipbook, 3D Flipbook, PDF Viewer, PDF Embedder 400+ · 5.0★ (2) wp.org #14 ↑1 7 too high 22 KindPixels PDF Gallery – Turn Files into Clean Galleries 40+ · 5.0★ (1) wp.org #17 ↑3 5 too high 23 PDF Rack – 3D Flipbook, PDF Viewer & Embed PDF 20+ · 5.0★ (1) wp.org #20 3 too high 24 PDF Flipbook, WPBakery Addon – Unreal FlipBook 1K+ · 3.0★ (2) wp.org #21 ↓2 3 too high

Merit ranking caps the install boost at 1M (wp.org leaves it uncapped), replaces the raw star average with a volume-weighted Bayesian score and a Wilson lower bound, and keeps wp.org's own freshness and compatibility decays. Method from the plugin-directory source; see Meta Trac #8298. Positions are tracked daily from the first visit to a keyword, so the small arrows show movement since tracking began.