| #1 | Image Optimization – Compress Images and Convert to WebP or AVIF | 87 | 15 | 24 | 1m+ | | | Missing Translators Comment |
| #2 | Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF | 21 | 426 | 862 | 1m+ | | | Non-prefixed global variable |
| #3 | Smush – Image Optimization, Compression, Lazy Load, WebP & CDN | 25 | 244 | 568 | 1m+ | | | Non-prefixed hook name |
| #4 | Converter for Media – Optimize images | Convert WebP & AVIF | 35 | 133 | 53 | 500k+ | | | curl curl setopt |
| #5 | ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF | 22 | 1,044 | 800 | 300k+ | | | Non-prefixed global variable |
| #6 | Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization | 29 | 80 | 163 | 200k+ | | | Nonce verification recommended |
| #7 | reSmush.it : The original free image compressor and optimizer plugin | 25 | 155 | 69 | 100k+ | | | Output is not escaped |
| #8 | Robin Image Optimizer – Unlimited Image Optimization, WebP & AVIF | 20 | 557 | 541 | 100k+ | | | Output is not escaped |
| #9 | ThumbPress – Compress Images, Manage Thumbnails, Detect Image Issues, WebP/AVIF, Lazy Loading, Hotlinking & More | 38 | 20 | 89 | 30k+ | | | Direct Query |
| #10 | QODE Optimizer | 74 | 1 | 249 | 30k+ | | | Non-prefixed global variable |
| #11 | ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization | 24 | 926 | 322 | 10k+ | | | Output is not escaped |
| #12 | WP Compress – Instant Performance & Speed Optimization | 21 | 3,367 | 3,253 | 10k+ | | | Non Singular String Literal Domain |
| #13 | Kraken.io Image Optimizer – Compress, Convert to WebP & AVIF, Resize & Bulk Optimize | 67 | 293 | 80 | 9k+ | | | Text Domain Mismatch |
| #14 | Image Regenerate & Select Crop | 99 | 3 | 1 | 8k+ | | | wp function not compatible with requires wp |
| #15 | QuickWebP – Compress / Optimize Images & Convert WebP | SEO Friendly | 35 | 225 | 110 | 8k+ | | | Non Singular String Literal Domain |
| #16 | AVIF Uploader | 51 | 49 | 44 | 4k+ | | | Missing Arg Domain |
| #17 | Image Optimization For SEO | 56 | 116 | 69 | 3k+ | | | Non Singular String Literal Domain |
| #18 | Disable Bulk Smush Limit of Smush Image Optimization | 35 | 3 | 2 | 3k+ | | | Hidden files included |
| #19 | Squeeze – Image Optimization & Compression, WEBP Conversion | 41 | 20 | 70 | 2k+ | | | Nonce verification recommended |
| #20 | ImageKit – URL based image manipulation and optimization | 87 | 47 | 42 | 1k+ | | | Non-prefixed global variable |
| #21 | ImageRecycle pdf & image compression | 27 | 329 | 204 | 1k+ | | | Text Domain Mismatch |
| #22 | Specify Missing Image Dimensions | 45 | 21 | 12 | 1k+ | | | Unsafe printing function |
| #23 | Image Editor by Pixo | 40 | 126 | 66 | 800 | | | Output is not escaped |
| #24 | WP Compress for MainWP | 40 | 20 | 36 | 700 | | | Output is not escaped |
| #25 | Highcompress Image Compressor | 41 | 106 | 69 | 600 | | | Text Domain Mismatch |
| #26 | Gumlet – Image optimization with Resize, Compression, Lazy load, Caching & CDN delivery | 35 | 53 | 45 | 500 | | | parse url parse url |
| #27 | SpeedSize Image & Video AI-Optimizer | 54 | 98 | 17 | 400 | | | Text Domain Mismatch |
| #28 | Upload Converter for WebP | 95 | 1 | 3 | 400 | | | Input is not sanitized |
