{"adoption": {"forks": 436, "observed_at": "2026-08-28T04:09:28.211576+00:00", "stars": 5716}, "canonical_url": "https://ross.abutalabs.com/products/mozjpeg", "card": {"archived": false, "artifact_type": "library", "description": "Improved JPEG encoder.", "domain": ["image-processing", "web-development", "performance"], "enriched": true, "function": ["image-processing", "compression"], "health_score": 37, "homepage": null, "language": "C", "license": "NOASSERTION", "license_family": "other", "maturity": "stable", "member_repos": ["mozilla/mozjpeg"], "name": "mozilla/mozjpeg", "platform": ["cross-platform", "cli", "c"], "pushed_at": "2025-06-23T17:05:27+00:00", "repo": "mozilla/mozjpeg", "stars": 5716, "tags": ["jpeg-encoder", "image-optimization", "libjpeg-turbo", "web-performance", "lossless-optimization"], "topics": ["mozjpeg", "libjpeg", "jpeg-encoder", "image-optimization", "web-performance"], "urls": [], "use_cases": ["compress jpeg images to smaller file sizes", "optimize jpegs for faster web page loads", "losslessly reduce size of existing jpeg files", "convert png or other formats to optimized jpeg", "embed a better jpeg encoder in an image processing app"], "what_it_is": "MozJPEG is an improved JPEG encoder built as a patch on libjpeg-turbo, producing smaller files at higher visual quality while remaining fully JPEG-standard compatible. It offers a libjpeg-compatible C API/ABI for embedding in graphics programs, plus demo command-line tools like cjpeg and jpegtran.", "when_to_avoid": ["you need modern formats like WebP or AVIF for better compression", "you need fast encoding over compression efficiency (MozJPEG trades speed for size)", "you want a polished end-user tool rather than a library"], "when_to_choose": ["you need smaller JPEGs than libjpeg-turbo produces at the same quality", "you want a drop-in libjpeg replacement with better compression", "you're optimizing images for web performance pipelines"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/mozjpeg", "repo": "mozilla/mozjpeg", "role": "main", "score": 35}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:09:28.211576+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:53:29.024277+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "dd3f431d7d71a37bab78dc645a2dae05d4ca496fb881ba95ca673a23ae51bcc0", "fetched_at": "2026-08-28T04:09:28.211576+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mozilla/mozjpeg"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 28, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4616, "days_push": 436, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 35, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}