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Frequently Asked Question
to clear cache
When should I clear the neo Optimize cache?
In normal operation it is not necessary to clear the neo Optimize cache. The button to clear the cache can be useful if you want to remove old image variants after many tests or tidy up after major changes to image sizes in the Page Builder. After that, the optimized images will be automatically regenerated as soon as they are needed again on the frontend.
If you change image quality, the retina factor, or other optimization settings, neo Optimize will automatically create new optimized images. When you delete an image from the WordPress media library, the associated cache files are also automatically removed. Even optimized images that were renamed with neo Rename are cleaned up automatically.
The Clear Cache button is therefore primarily intended as a reset and cleanup function.
Related FAQs about clearing the cache
Short and concise
What is neo Optimize?The neo Optimize plugin is a WordPress image optimization plugin. It automatically reduces images to the actually needed display size and converts image files to the efficient WebP format. This results in faster image loading and a more performant website, which positively affects SEO ranking.
What’s special about neo Optimize is that the original images remain unchanged and the optimized versions are stored in a separate cache directory. The plugin also works without credit packages because it optimizes images directly on your own server for free.
Local optimization
Are my images sent to external servers?The neo Optimize plugin processes your images directly on your own server. Local server functions like Imagick or PHP GD are used for image optimization. That means you don’t need credit packages for external image services or additional cloud processing.
This makes the optimization free, privacy-friendly and independent from external providers.
Page builder
Does neo Optimize work with my page builder?Yes, neo Optimize works with all common page builders. These include Bricks, Elementor, Divi, Beaver, Oxygen, Breakdance and Gutenberg.
The configured image sizes can be automatically read by neo Optimize and used as the basis for optimization. This ensures the image is adapted as closely as possible to the actual display size and cached for quick serving.
Retina factor
What does the retina factor do?The retina factor controls at which pixel density images are displayed for high-resolution screens. A higher value makes images appear sharper on retina displays but also increases file size.
The neo Optimize plugin uses a default retina factor of 1.5x to improve the rendering of small text, icons and image details on retina displays. In the Pro version you can set the retina factor individually and compare it directly in the preview.
Optimize neo Draw SVGs
How does neo Optimize optimize drawings from neo Draw?If a graphic was created with neo Draw, neo Optimize can automatically optimize it when serving on the frontend. Unnecessary editor data for display is removed and embedded raster graphics are converted to the efficient WebP format.
The original neoDraw file remains fully intact and editable. Visitors receive a leaner, faster version in the frontend while you can continue to work with the editable original drawing in the backend.
WebP and image quality
What image quality should I set?For most websites we recommend a WebP quality of 75%. The WebP format is very efficient, so even lower quality settings often still look very good and produce significantly smaller files.
In the settings of neo Optimize you can conveniently choose the quality and directly evaluate it via a preview with file size. This way you quickly find the right balance between high image quality and fast loading times.
Original images are preserved
Does neo Optimize change my original images?Your original images and database remain completely intact. The neo Optimize plugin only creates optimized copies in the cache and serves those in the frontend. The original files in your media library are not overwritten.
Your WordPress database also remains untouched. When the website loads, only the image URL in the frontend is replaced with the optimized cache version.
If you deactivate or uninstall neo Optimize, everything returns to how it was before.
