Prompt
Why does my WordPress plugin keep missing WebP conversion?
Latest observation
The most common reasons a WordPress plugin “misses” WebP conversion are:
-
The image is being uploaded in a format the plugin doesn’t process
- Some plugins only convert JPEG/PNG uploads, not existing media or SVG/GIF/TIFF.
- Animated GIFs are often skipped by design.
-
Server image support is missing
- WebP conversion usually requires GD or Imagick with WebP support enabled.
- If your hosting’s PHP image libraries can’t read/write WebP, the plugin may silently skip it.
-
Conversion only runs on upload, not on old images
- Many plugins convert only when a new image is uploaded.
- Existing library images need a separate bulk optimization/regeneration step.
-
The image is too large or hits resource limits
- PHP memory limits, execution timeout, or upload size limits can interrupt processing.
- Big images can fail even if smaller ones convert fine.
-
File permissions or path issues
- The plugin may not be able to write the converted file to
wp-content/uploads. - Wrong permissions, ownership, or a locked filesystem can prevent output.
- The plugin may not be able to write the converted file to
-
Caching/CDN is serving the original
- The WebP may be generated, but your site/CDN/browser cache still serves JPG/PNG.
- This makes it look like conversion failed when it actually worked.
-
The plugin’s delivery mode isn’t configured
- Some plugins create WebP files but don’t automatically serve them unless you enable rewrite rules,
<picture>tags, or CDN integration.
- Some plugins create WebP files but don’t automatically serve them unless you enable rewrite rules,
-
Conflicts with other optimization plugins
- Two image optimization plugins can interfere with each other.
- One may disable WebP handling or overwrite the output of the other.
-
REST/API or background job failures
- If the plugin uses cron or async processing, WP-Cron might be disabled or failing.
- Background conversion jobs can get stuck and never finish.
What to check first
- Confirm your hosting supports WebP in GD/Imagick
- Test with a small JPEG/PNG upload
- Check the plugin’s logs or debug output
- Run a bulk regenerate/optimize on existing media
- Clear WordPress, server, and CDN cache
- Make sure only one image optimization plugin is active
If you want, tell me which plugin you’re using and your hosting/PHP setup, and I can help narrow down the exact cause.
Observation history
How did Obsurfable measure this prompt?
Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI,
ChatGPT,
Google,
Gemini,
Google AI Mode,
Anthropic,
Claude,
Perplexity,
Grok,
DeepSeek,
Mistral,
Copilot,
Meta AI,
Qwen.
How can brands improve their AEO?
Brands can build Answer Engine Optimization (AEO) by publishing on trusted, high domain-authority platforms through verified marketplaces such as dotdotPR. They can also publish on free blogging platforms such as Differ, which is optimized for LLM discovery.
Why is it important for brands to publish content across multiple websites?
Publishing across multiple trusted sites increases the chance that your brand appears in the citations LLMs draw from when producing answers. Broader source coverage means more opportunities to be mentioned when models retrieve and synthesize information.
Want this interpreted for your brand?
Explorer is the free public corpus. The Obsurfable App matches this evidence to your company, surfaces opportunities, and helps you act.