Mobile First Content Images
The plugin tries to detect what device the user is on. If it’s detected as a mobile device or unknown the content images can be swapped with a smaller Post Thumbnail size of choice to save bandwidth.
Consider an alternative
Mobile First Content Images shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 15 years ago, and scores 23/100 on our health check.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 14 years
- Only tested up to WordPress 3.3 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Mobile First Content Images stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| content images | >100 |
| image size | >100 |
| mobile | >100 |
| mobile-first | >100 |
| responsive design | >100 |
Version adoption
Share of active sites per release.
About Mobile First Content Images
From the official readme · v0.1Description
The plugin tries to detect what device the user is on. If it’s detected as a mobile device or unknown the content images can be swapped with a smaller Post Thumbnail size of choice to save bandwidth.
Requriements
- PHP5
- Tested and works with Worpress version 3.0, 3.1, 3.2 and 3.3
- NOT working in WordPress 2.9 and all version older than that
- Will probably cause some issues with other plugins trying to modify content images
Test the plugin
When testing if the plugin swapped your images use a real device or the iphone simulator. Changing the useragent to mobile on you desktop browser will not work.
Make it better
You can find the code on Github and do whatever you like with it
Thank you
phpQuery for making it easy to parse the html and Categorizr for mobile first device detection.
Installation
- Upload
plugin-name.phpto the/wp-content/plugins/directory - Activate the plugin through the ‘Plugins’ menu in WordPress
Screenshots
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best Mobile First Content Images alternatives
All content images plugins →FAQ
Mobile First Content Images: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 30, 2026
Is Mobile First Content Images free?
Yes. Mobile First Content Images is free to download and use from the official WordPress.org plugin directory.
Is Mobile First Content Images safe to use in 2026?
Mobile First Content Images shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 15 years ago, and scores 23/100 on our health check.
How many websites use Mobile First Content Images?
Mobile First Content Images is active on 10+ WordPress websites and has been downloaded 2,261 times since it launched in March 2012. It was downloaded 86 times in the last 30 days.
Does Mobile First Content Images work with WordPress 7.1?
Mobile First Content Images is officially tested up to WordPress 3.3.2, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
When was Mobile First Content Images last updated?
The latest version, 0.1, was released on March 3, 2012 (15 years ago).
Who makes Mobile First Content Images?
Mobile First Content Images is developed and maintained by erikportin.
What are the best alternatives to Mobile First Content Images?
The most popular alternatives to Mobile First Content Images are Lightbox content images (10+ installs) and Mobile Ready Content Images (10+ installs).
Powered by PageForge
Want thousands of pages that rank like these? Build them in an afternoon.
This directory runs on the same engine as PageForge. Turn any spreadsheet, CSV or API into thousands of fast, SEO-ready WordPress pages — with schema, internal links and AI-written copy baked in.
- CSV, Google Sheets & API data sources
- AI content, schema & internal links per page
- Works with Elementor, Gutenberg, Yoast & Rank Math
- Free on WordPress.org — no credit card
