jvoisin e7888e3d43 perf(ui): defer off-screen layout/paint on entry and feed list rows
Miniflux' default user.EntriesPerPage value is 100, so people with a lot of
feeds/feed items might have 100 items displayed by default, which is a ton of
DOM elements: multiple inline SVG icons, two <button>, optional <time>,
optional reading-time chip, category tag, … the browser had to lay out and
paint all of it on initial render even though there are only a handful of rows
visible at once.

Setting content-visibility: auto on .entry-item and .feed-item lets
the browser skip layout, paint, and accessibility-tree work for rows
that fall outside the viewport, doing it lazily as the user scrolls.
contain-intrinsic-size: auto reserves a placeholder using each row's
last rendered size so the scrollbar and anchor scrolling stay
consistent after first measurement. The value 100px was picked as on my
machine/screen/…, a feed-item is a bit less than 100px, and an entry-item is
a bit more than 80px.

This doesn't introduced any regressions in keyboard shortcuts, both from
miniflux and from the browser. The two CSS properties are supported in current
modern browsers, and are simply ignored in those that don't.

Sources used:

- https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Properties/content-visibility
- https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Properties/contain-intrinsic-size
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Miniflux 2

Miniflux is a minimalist and opinionated feed reader. It's simple, fast, lightweight and super easy to install.

Official website: https://miniflux.app

Features

Feed Reader

  • Supported feed formats: Atom 0.3/1.0, RSS 1.0/2.0, and JSON Feed 1.0/1.1.
  • OPML file import/export and URL import.
  • Supports multiple attachments (podcasts, videos, music, and images enclosures).
  • Plays videos from YouTube directly inside Miniflux.
  • Organizes articles using categories and bookmarks.
  • Share individual articles publicly.
  • Fetches website icons (favicons).
  • Saves articles to third-party services.
  • Provides full-text search (powered by Postgres).
  • Available in 20 languages: Portuguese (Brazilian), Chinese (Simplified and Traditional), Dutch, English (US), Finnish, French, German, Greek, Hindi, Indonesian, Italian, Japanese, Polish, Romanian, Russian, Taiwanese POJ, Ukrainian, Spanish, and Turkish.

Privacy and Security

  • Removes pixel trackers.
  • Strips tracking parameters from URLs (e.g., utm_source, utm_medium, utm_campaign, fbclid, etc.).
  • Retrieves original links when feeds are sourced from FeedBurner.
  • Opens external links with attributes rel="noopener noreferrer" referrerpolicy="no-referrer" for improved security.
  • Implements the HTTP header Referrer-Policy: no-referrer to prevent referrer leakage.
  • Provides a media proxy to avoid tracking and resolve mixed content warnings when using HTTPS.
  • Plays YouTube videos via the privacy-focused domain youtube-nocookie.com.
  • Supports alternative YouTube video players such as Invidious.
  • Blocks external JavaScript to prevent tracking and enhance security.
  • Sanitizes external content before rendering it.
  • Enforces a Content Security and a Trusted Types Policy to only application JavaScript and blocks inline scripts and styles.

Bot Protection Bypass Mechanisms

  • Optionally disable HTTP/2 to mitigate fingerprinting.
  • Allows configuration of a custom user agent.
  • Supports adding custom cookies for specific use cases.
  • Enables the use of proxies for enhanced privacy or bypassing restrictions.

Content Manipulation

  • Fetches the original article and extracts only the relevant content using a local Readability parser.
  • Allows custom scraper rules based on CSS selectors.
  • Supports custom rewriting rules for content manipulation.
  • Provides a regex filter to include or exclude articles based on specific patterns.
  • Optionally permits self-signed or invalid certificates (disabled by default).
  • Scrapes YouTube's website to retrieve video duration as read time or uses the YouTube API (disabled by default).

User Interface

  • Optimized stylesheet for readability.
  • Responsive design that adapts seamlessly to desktop, tablet, and mobile devices.
  • Minimalistic and distraction-free user interface.
  • No requirement to download an app from Apple App Store or Google Play Store.
  • Can be added directly to the home screen for quick access.
  • Supports a wide range of keyboard shortcuts for efficient navigation.
  • Optional touch gesture support for navigation on mobile devices.
  • Custom stylesheets and JavaScript to personalize the user interface to your preferences.
  • Themes:
    • Light (Sans-Serif)
    • Light (Serif)
    • Dark (Sans-Serif)
    • Dark (Serif)
    • System (Sans-Serif) Automatically switches between Dark and Light themes based on system preferences.
    • System (Serif)

Integrations

Authentication

  • Local username and password.
  • Passkeys (WebAuthn).
  • Google (OAuth2).
  • Generic OpenID Connect.
  • Reverse-Proxy authentication.

Technical Stuff

  • Written in Go (Golang).
  • Single binary compiled statically without dependency.
  • Works only with PostgreSQL.
  • Does not use any ORM or any complicated frameworks.
  • Uses modern vanilla JavaScript only when necessary.
  • All static files are bundled into the application binary using the Go embed package.
  • Supports the Systemd sd_notify protocol for process monitoring.
  • Configures HTTPS automatically with Let's Encrypt.
  • Allows the use of custom SSL certificates.
  • Supports HTTP/2 when TLS is enabled.
  • Updates feeds in the background using an internal scheduler or a traditional cron job.
  • Uses native lazy loading for images and iframes.
  • Compatible only with modern browsers.
  • Adheres to the Twelve-Factor App methodology.
  • Provides official Debian/RPM packages and pre-built binaries.
  • Publishes a Docker image to Docker Hub, GitHub Registry, and Quay.io Registry, with ARM and RISC-V architecture support.
  • Uses a limited amount of third-party go dependencies
  • Has a comprehensive testsuite, with both unit tests and integration tests.
  • Only uses a couple of MB of memory and a negligible amount of CPU, even with several hundreds of feeds.
  • Respects/sends Last-Modified, If-Modified-Since, If-None-Match, Cache-Control, Expires and ETags headers, and has a default polling interval of 1h.

Documentation

The Miniflux documentation is available here: https://miniflux.app/docs/ (Man page)

Screenshots

Default theme:

Default theme

Dark theme when using keyboard navigation:

Dark theme

Credits

S
Description
Minimalist and opinionated feed reader
Readme 81 MiB
Languages
Go 87.6%
HTML 7%
JavaScript 2.3%
CSS 1.4%
Roff 0.6%
Other 1%