Highlights · computed from our daily tracking data
- Twenty Fifteen currently ranks #43 and has stayed inside the top 50 in every daily snapshot since Sep 17, 2024 (678 snapshots).
- Its best position in our tracking is #37, first reached on Jan 29, 2026.
- It accounts for roughly 0.5% of all active installs across the themes we track.
- It is averaging 3,929 downloads/day over the last 30 days, up 115% versus the month before (1,824/day).
- The latest release, v4.3, shipped on Aug 19, 2026 (12 days ago) — release #35 since the theme joined the directory in 2014.
Performance · Google Lighthouse, official wordpress.org demo
| Mobile | Desktop | |
| Largest Contentful Paint | 3.1 s | 0.7 s |
| First Contentful Paint | 1.4 s | 0.4 s |
| Total Blocking Time | 0 ms | 0 ms |
| Cumulative Layout Shift | 0.000 | 0.000 |
| Page weight | 244.4 KB | 244.4 KB |
Lab (Lighthouse) data measured on the official demo at wp-themes.com, where every theme serves identical content — so scores isolate the theme's own CSS/JS payload. Tested Aug 3, 2026. Scores vary ±5 between runs. Run a live test ↗
Ranking history
Ranking history — data table
| Date | Ranking history |
|---|---|
| 2026-08-31 | #43 |
| 2026-07-31 | #42 |
| 2026-06-30 | #45 |
| 2026-05-31 | #40 |
| 2026-04-30 | #46 |
| 2026-03-31 | #44 |
| 2026-02-28 | #47 |
| 2026-01-31 | #40 |
| 2025-12-31 | #47 |
| 2025-11-30 | #46 |
| 2025-10-31 | #45 |
| 2025-09-30 | #45 |
| 2025-08-31 | #46 |
| 2025-07-31 | #49 |
| 2025-06-30 | #50 |
| 2025-05-31 | #48 |
| 2025-04-20 | #50 |
| 2025-03-31 | #48 |
| 2025-02-28 | #47 |
| 2025-01-31 | #46 |
| 2024-12-31 | #43 |
| 2024-11-30 | #50 |
| 2024-10-31 | #46 |
| 2024-09-30 | #46 |
Latest reading of each month from our daily snapshots; the chart holds the full daily history.
Active installs
Active installs — data table
| Date | Active installs |
|---|---|
| 2026-08-31 | 60,000 |
| 2026-07-31 | 60,000 |
| 2026-06-30 | 60,000 |
| 2026-05-31 | 60,000 |
| 2026-04-30 | 60,000 |
| 2026-03-31 | 70,000 |
| 2026-02-28 | 70,000 |
| 2026-01-31 | 70,000 |
| 2025-12-31 | 70,000 |
| 2025-11-30 | 70,000 |
| 2025-10-31 | 70,000 |
| 2025-09-30 | 70,000 |
| 2025-08-31 | 70,000 |
| 2025-07-31 | 70,000 |
| 2025-06-30 | 80,000 |
| 2025-05-31 | 80,000 |
| 2025-04-20 | 80,000 |
| 2025-03-31 | 80,000 |
| 2025-02-28 | 80,000 |
| 2025-01-31 | 80,000 |
| 2024-12-31 | 80,000 |
| 2024-11-30 | 80,000 |
| 2024-10-31 | 90,000 |
| 2024-09-30 | 90,000 |
Latest reading of each month from our daily snapshots; the chart holds the full daily history.
Downloads per day
Downloads per day — data table
| Date | Downloads per day |
|---|---|
| 2026-08-30 | 2,103 |
| 2026-07-31 | 1,562 |
| 2026-06-30 | 1,928 |
| 2026-05-31 | 2,108 |
| 2026-04-30 | 1,294 |
| 2026-03-31 | 1,476 |
| 2026-02-28 | 1,253 |
| 2026-01-31 | 1,351 |
| 2025-12-31 | 1,769 |
| 2025-11-30 | 854 |
| 2025-10-31 | 1,136 |
| 2025-09-30 | 1,403 |
| 2025-08-31 | 1,040 |
| 2025-07-31 | 1,355 |
| 2025-06-30 | 1,447 |
| 2025-05-31 | 1,269 |
| 2025-04-30 | 2,501 |
| 2025-03-31 | 1,322 |
| 2025-02-28 | 1,394 |
| 2025-01-31 | 1,588 |
| 2024-12-31 | 1,582 |
| 2024-11-30 | 1,796 |
| 2024-10-31 | 1,458 |
| 2024-09-30 | 1,802 |
| 2024-08-31 | 1,560 |
Latest reading of each month from our daily snapshots; the chart holds the full daily history.
Details
| Author | WordPress.org |
|---|---|
| Current version | 4.3 |
| Versions released | 35 |
| Last updated | 2026-08-19 |
| Added to directory | 2014-12-18 |
| Requires WordPress | 4.1+ |
| Requires PHP | 5.2.4+ |
| Type | Classic theme |
| First tracked here | 2024-09-17 |
Description
Our 2015 default theme is clean, blog-focused, and designed for clarity. Twenty Fifteen's simple, straightforward typography is readable on a wide variety of screen sizes, and suitable for multiple languages. We designed it using a mobile-first approach, meaning your content takes center-stage, regardless of whether your visitors arrive by smartphone, tablet, laptop, or desktop computer.
Frequently asked questions
How many websites use Twenty Fifteen?
WordPress.org reports 60K+ active installs.
How popular is Twenty Fifteen?
As of August 31, 2026, Twenty Fifteen ranks #43 in the WordPress.org popular themes list. Its best position in our tracking is #37.
When was Twenty Fifteen last updated?
Twenty Fifteen was last updated on August 19, 2026 (version 4.3). It has shipped 35 releases in total.
Who makes Twenty Fifteen?
Twenty Fifteen is developed by WordPress.org. It joined the WordPress.org theme directory in December 2014.
How fast is Twenty Fifteen?
On the official WordPress.org demo, Twenty Fifteen scores 94/100 for mobile performance in Google Lighthouse and 100/100 for desktop (tested August 2026).
