# WP HTML5 Outliner

> WP HTML5 Outliner has 10+ active installs and 71 downloads in the last 30 days. Health score 23/100, keyword rankings, version adoption and the best alternatives.

**Verdict: Consider an alternative.** WP HTML5 Outliner shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 7 years ago, and scores 23/100 on our health check.

**Adds an HTML 5 outline plus a heading-level outline to the WordPress Toolbar.**

## Key facts

- **Overall rank:** —
- **Active installs:** 10+
- **Total downloads:** 1,837
- **Downloads (30 days):** 71 (+18.3% vs previous 30 days)
- **Rating:** No ratings yet
- **Health score:** 23/100 (At risk)
- **Version:** 1.3.0
- **Last updated:** Jan 27, 2020
- **Tested up to:** WordPress 5.3.26
- **Requires:** WordPress 3.3+, PHP 5.4.5+
- **Support resolved:** 0 of 0 threads (last 2 months)
- **Developer:** rsborn (https://pageforge.pro/directory/authors/rsborn/)
- **WordPress.org:** https://wordpress.org/plugins/wp-html5-outliner/

## Category rankings

| Category | Rank | Plugins |
|---|---|---|
| [accessibility](https://pageforge.pro/directory/plugins/tag/accessibility/) | >100 | 650 |
| [HTML5](https://pageforge.pro/directory/plugins/tag/html5/) | #79 | 85 |
| [outline](https://pageforge.pro/directory/plugins/tag/outline/) | #3 | 5 |

## WordPress.org search positions

| Keyword | Position | Results |
|---|---|---|
| accessibility | >100 | 3,474 |
| HTML5 | >100 | 1,156 |
| outline | >100 | 899 |

## Version adoption

- 1.3: 100%

## Alternatives

| # | Name | Active installs | Rating | Updated | Health |
|---|---|---|---|---|---|
| 1 | [Web Accessibility (formally known as Ally) – WCAG Scanning, Guided Fixes, Usability Widget](https://pageforge.pro/directory/plugins/pojo-accessibility/) | 500K+ | 2.9/5 (162) | Aug 24, 2026 | 63/100 |
| 2 | [Auto Image Attributes From Filename With Bulk Updater (Add Alt Text, Image Title For Image SEO)](https://pageforge.pro/directory/plugins/auto-image-attributes-from-filename-with-bulk-updater/) | 100K+ | 4.8/5 (93) | Sep 1, 2026 | 91/100 |
| 3 | [Accessibility by UserWay](https://pageforge.pro/directory/plugins/userway-accessibility-widget/) | 80K+ | 4/5 (57) | Dec 8, 2025 | 59/100 |
| 4 | [WP Accessibility](https://pageforge.pro/directory/plugins/wp-accessibility/) | 60K+ | 4.8/5 (68) | Oct 2, 2026 | 87/100 |
| 5 | [Infinity23 (Formerly Tag Manager) – One Plugin That Replaces All The Rest](https://pageforge.pro/directory/plugins/tag-manager-header-body-footer/) | 20K+ | 4.7/5 (53) | Sep 26, 2026 | 89/100 |
| 6 | [Alt Text AI – Automatically generate image alt text for SEO and accessibility](https://pageforge.pro/directory/plugins/alttext-ai/) | 20K+ | 4.7/5 (35) | Oct 5, 2026 | 89/100 |
| 7 | [My Calendar – Accessible Event Manager](https://pageforge.pro/directory/plugins/my-calendar/) | 20K+ | 4.7/5 (159) | Oct 1, 2026 | 89/100 |
| 8 | [Dark Mode – Improve Accessibility with AI Powered Dark Theme](https://pageforge.pro/directory/plugins/wp-dark-mode/) | 20K+ | 4.5/5 (390) | Sep 29, 2026 | 92/100 |
| 9 | [AccessibleWP – Accessibility Toolbar](https://pageforge.pro/directory/plugins/accessible-poetry/) | 20K+ | 4.5/5 (47) | Oct 3, 2024 | 45/100 |
| 10 | [SimpleTOC – Table of Contents Block](https://pageforge.pro/directory/plugins/simpletoc/) | 10K+ | 4.9/5 (77) | Oct 3, 2026 | 79/100 |

## Frequently asked questions

### Is WP HTML5 Outliner free?
Yes. WP HTML5 Outliner is free to download and use from the official WordPress.org plugin directory.

### Is WP HTML5 Outliner safe to use in 2026?
WP HTML5 Outliner shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 7 years ago, and scores 23/100 on our health check.

### How many websites use WP HTML5 Outliner?
WP HTML5 Outliner is active on 10+ WordPress websites and has been downloaded 1,837 times since it launched in November 2018. It was downloaded 71 times in the last 30 days.

### Does WP HTML5 Outliner work with WordPress 7.1?
WP HTML5 Outliner is officially tested up to WordPress 5.3.26, while the latest release is 7.1.3. It may still work, but try it on a staging site first.

### What PHP version does WP HTML5 Outliner need?
WP HTML5 Outliner requires PHP 5.4.5 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.

### When was WP HTML5 Outliner last updated?
The latest version, 1.3.0, was released on January 27, 2020 (7 years ago).

### Who makes WP HTML5 Outliner?
WP HTML5 Outliner is developed and maintained by rsborn.

### What are the best alternatives to WP HTML5 Outliner?
The most popular alternatives to WP HTML5 Outliner are Web Accessibility (formally… (500K+ installs), Auto Image Attributes From… (100K+ installs) and Accessibility by UserWay (80K+ installs).


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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/plugins/wp-html5-outliner/ · Generated 2026-10-12 06:58 UTC by PageForge