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

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 viewer”, we agree with wp.org on the top plugin, and our order differs from theirs on 14 of the top 20. 1 plugin is 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

PDF viewer for Elementor & Gutenberg shows at wp.org #6 but places #15 on merit, a gap of 9 places. Its 10K+ installs carry it up the search order; its 5.0★ average from 3 reviews, plus freshness and upkeep, place it lower on our volume-weighted scale.

Buried gem

Document Viewer – let visitors view files right in the browser places #12 on merit, 4.7★ from 52 reviews, but shows at wp.org #21. A smaller install base keeps it further down the default search order than its quality signals alone would.

merit plugin wp.org
1 DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer 200K+ · 4.9★ (194) wp.org #1 2 PDF Embedder – PDF Viewer & Embed PDF Files for WordPress 300K+ · 4.7★ (529) wp.org #3 ↓1 1 too low 3 Embed PDF Viewer 20K+ · 4.7★ (19) wp.org #2 ↑1 1 too high 4 PDF.js Viewer 20K+ · 4.4★ (53) wp.org #7 ↓1 3 too low 5 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery 70K+ · 4.8★ (182) wp.org #12 ↓3 7 too low 6 PDF Poster – Let visitors read PDF’s without leaving the page 20K+ · 4.5★ (149) wp.org #9 ↓1 3 too low 7 PDF Viewer Block for Gutenberg 10K+ · 4.8★ (9) wp.org #4 3 too high 8 Real3D Flipbook – 3D Flipbook, PDF Flipbook, PDF Viewer, PDF Embedder 10K+ · 4.5★ (11) wp.org #5 3 too high 9 Embed Any Document – Embed PDF, Word, PowerPoint and Excel Files 50K+ · 4.2★ (92) wp.org #17 ↑1 8 too low 10 Wonder PDF Embed 8K+ · 4.5★ (13) wp.org #10 ↑5 11 3D Viewer – Turn Product Pages into Interactive 3D Experiences 9K+ · 4.7★ (24) wp.org #14 ↓3 3 too low 12 Document Viewer – let visitors view files right in the browser 2K+ · 4.7★ (52) wp.org #21 ↑1 9 too low 13 Flipbook PDF Viewer & Embedder 300+ · 5.0★ (6) wp.org #8 ↓1 5 too high 14 Document Embedder – let visitors read files without downloading 9K+ · 4.9★ (120) wp.org #24 10 too low 15 PDF viewer for Elementor & Gutenberg 10K+ · 5.0★ (3) wp.org #6 9 too high 16 B BSK PDF Manager 7K+ · 4.5★ (46) wp.org #19 ↑1 3 too low 17 flowpaper 10K+ · 3.4★ (38) wp.org #18 ↑1 1 too low 18 Flipa PDF Flipbook – PDF Viewer and Page Flip Book 800+ · 5.0★ (4) wp.org #11 ↓1 7 too high 19 PDF Forms Filler for CF7 3K+ · 4.8★ (13) wp.org #23 ↑1 4 too low 20 PDF Gallery Viewer 200+ · 5.0★ (2) wp.org #13 ↓1 7 too high 21 PDF Embed Block – share documents right inside your posts 4K+ · 5.0★ (2) wp.org #16 5 too high 22 Free PDF to Flipbook 500+ · 5.0★ (2) wp.org #20 ↑1 2 too high 23 TNC FlipBook 3D – PDF Flipbook, 3D Flipbook, PDF Viewer, PDF Embedder 400+ · 5.0★ (2) wp.org #15 ↓1 8 too high 24 PDFDraft – Drag & Drop PDF Builder, PDF Viewer, Embed & Download PDF, Certificate & Invoice Designer 100+ · 5.0★ (1) wp.org #22 ↑1 2 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.