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

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.js”, we agree with wp.org on the top plugin, and our order differs from theirs on 15 of the top 20.

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 the install base is organic or host-pushed, and its risk of being pulled.

Ranked above its merit

Free PDF to Flipbook shows at wp.org #7 but places #15 on merit, a gap of 8 places. Its 500+ installs carry it up the search order; its 5.0★ average from 2 reviews, plus freshness and upkeep, place it lower on our volume-weighted scale.

Buried gem

EmbedPress places #5 on merit, 4.8★ from 307 reviews, but shows at wp.org #15. A smaller install base keeps it further down the default search order than its quality signals alone would.

merit plugin wp.org
1 PDF.js Viewer 20K+ · 4.4★ (53) wp.org #1 2 PDF Embedder – PDF Viewer & Embed PDF Files for WordPress 300K+ · 4.7★ (529) wp.org #5 3 too low 3 DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer 200K+ · 4.9★ (194) wp.org #8 5 too low 4 Wonder PDF Embed 8K+ · 4.5★ (13) wp.org #3 1 too high 5 EmbedPress 100K+ · 4.8★ (307) wp.org #15 10 too low 6 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery 70K+ · 4.8★ (182) wp.org #14 8 too low 7 PDF Viewer Block for Gutenberg 10K+ · 4.8★ (9) wp.org #4 3 too high 8 PDF Poster – Let visitors read PDF’s without leaving the page 20K+ · 4.5★ (149) wp.org #13 5 too low 9 PDF viewer for Elementor & Gutenberg 9K+ · 5.0★ (3) wp.org #2 7 too high 10 B BSK PDF Manager 7K+ · 4.5★ (46) wp.org #9 1 too high 11 Real3D Flipbook – 3D Flipbook, PDF Flipbook, PDF Viewer, PDF Embedder 10K+ · 4.5★ (11) wp.org #6 5 too high 12 WC Korkmaz Contract – Contracts for WooCommerce 500+ · 5.0★ (22) wp.org #10 2 too high 13 Document Embedder – let visitors read files without downloading 9K+ · 4.9★ (120) wp.org #18 5 too low 14 easy.jobs – AI powered Job Listing, Job Board, Career Page, Recruitment & Hiring Solution 4K+ · 4.7★ (26) wp.org #17 3 too low 15 Free PDF to Flipbook 500+ · 5.0★ (2) wp.org #7 8 too high 16 Simple Ebook Viewer 400+ · 5.0★ (6) wp.org #21 5 too low 17 Document Embedder Addons for Elementor – Embed Documents in Elementor Websites 6K+ · 3.7★ (7) wp.org #12 5 too high 18 PDF Gallery Viewer 200+ · 5.0★ (2) wp.org #11 7 too high 19 PressedMail – Email Client, Inbox & Webmail 100+ · 5.0★ (3) wp.org #23 4 too low 20 TNC FlipBook 3D – PDF Flipbook, 3D Flipbook, PDF Viewer, PDF Embedder 400+ · 5.0★ (2) wp.org #16 4 too high 21 Wexlab PDF Toolkit Lite for Elementor 20+ · 5.0★ (1) wp.org #19 2 too high 22 FLUX PDF FLIP 20+ · 5.0★ (1) wp.org #22 23 PDF Rack – 3D Flipbook, PDF Viewer & Embed PDF 20+ · 5.0★ (1) wp.org #24 1 too low 24 PDF Smart Viewer for Elementor 1K+ · 3.0★ (2) wp.org #20 4 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.