Dark mode guides
Straight answers about dark mode on the web — how to turn it on anywhere, why certain pages fight back, and what the eye-strain and battery research genuinely supports. Written by the team building the Eclipse extension, which means the technical sections come from working on the problem rather than from paraphrasing other articles.
Dark Reader Alternatives: An Honest Comparison
Dark Reader is the category leader and genuinely good. Here is where it struggles — measured, not asserted — and which alternative fits which problem.
Best Dark Mode Chrome Extensions, Compared
Six extensions scored on rendering approach, performance cost, privacy and per-site control — including which ones are filters wearing a theme’s clothing.
Is Dark Reader Slowing Down Your Browser?
Benchmarked slowdowns, why the cost grows over a browsing session, and how to tell a dark-mode extension apart from the other things making a tab sluggish.
How to Enable Dark Mode on Any Website
Four methods that actually work — the site’s own setting, your OS preference, Chrome’s built-in flag, and an extension — with the trade-off each one makes.
Chrome’s Force Dark Mode Flag: What It Does and Where It Breaks
The free option nobody explains properly. How to switch it on, what it does to your images, and the exact page types where it falls apart.
Why Dark Mode Flashes White — and How to Stop It
That stab of white between page loads is a race condition, not a bug in your eyes. What causes it, why it is hard to fix, and what a fix requires.
Dark Mode Not Working on Some Sites? 9 Causes
Shadow DOM, canvas, iframes, inline styles, CSP — the specific technical reasons a page resists dark mode, and which ones are actually fixable.
Is Dark Mode Better for Your Eyes? What the Research Says
The honest answer is “sometimes, and less than you think.” What ophthalmologists actually say about eye strain, and who genuinely benefits.
Does Dark Mode Save Battery? The Actual Numbers
It depends almost entirely on your screen type and your brightness setting. The measured range runs from 47% to roughly nothing.
Dark Mode and Astigmatism: Why Text Glows
If white text on black smears or halos for you, that is halation — and it affects a large minority of readers. What to change instead of giving up.
Does Dark Mode Help You Sleep?
Screen brightness and timing matter far more than colour scheme. What the sleep research supports, and what it does not.
Why Inverting Colours Isn’t Dark Mode
Inversion flips your brand blues to orange and your photographs to negatives. What a real generated theme does differently, in colour-space terms.
Dark Mode Contrast Done Right: APCA vs WCAG
WCAG’s 4.5:1 ratio was built for dark-on-light and misjudges light-on-dark. Why perceptual contrast models exist and what they change.
How Dark Mode Extensions Actually Work
CSS filters, stylesheet rewriting, and generated themes are three different machines. Knowing which one you are running explains every quirk you have hit.
Dark Mode for Sites That Don’t Offer It
Which major sites ship a real dark theme, which ship a partial one, and what to do about the long tail that never will.
What Dark Mode Extensions Can See
Restyling a page requires reading it. That is a real permission with real implications — here is how to audit any extension before trusting it.
About these guides
Several of these articles name specific websites and competing extensions. Those are editorial references for the reader's benefit — Eclipse is not affiliated with, endorsed by, or sponsored by any of them. Where we compare Eclipse against another tool we say so plainly, and where a competitor is simply better at something we say that too.
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