mod_pagespeed Alternatives in 2026
Google mod_pagespeed and ngx_pagespeed are unmaintained. Two actively developed successors exist — here is how to choose.
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Technical insights on web performance, automatic optimization, and the engineering behind ModPageSpeed 2.0.
ModPageSpeed 2.0 now works with ASP.NET Core
ModPageSpeed 2.0 as ASP.NET Core middleware via NuGet. Same optimization pipeline — images, CSS, JS, critical CSS — integrated with two lines of C#. No nginx required.
Read more →Migrating from mod_pagespeed 1.x to ModPageSpeed 2.0
Step-by-step guide for migrating from mod_pagespeed 1.x or ngx_pagespeed to ModPageSpeed 2.0. Configuration mapping, Docker Compose setup, and verification checklist.
Read more →Critical CSS Without a Headless Browser
Generate critical CSS without Puppeteer or headless Chrome. ModPageSpeed uses heuristics in under 5ms per page — no Node.js required.
Read more →Self-Hosted vs CDN Image Optimization: Real Costs
Self-hosted vs CDN image optimization: cost comparison at 100K, 1M, and 10M monthly requests. Break-even analysis and hidden costs.
Read more →Respecting Save-Data: bandwidth-conscious image serving
How ModPageSpeed 2.0 respects the Save-Data HTTP header to serve lighter image variants. Typical 30-50% additional bandwidth reduction on top of format and viewport optimization.
Read more →Benchmarking ModPageSpeed 2.0: real numbers on real sites
ModPageSpeed 2.0 benchmarks across e-commerce, blog, news, and portfolio sites. Real LCP, FCP, and Lighthouse improvements on 3G, 4G, and broadband — methodology included.
Read more →Automatic WebP/AVIF on nginx: One Decode, 37 Variants
How ModPageSpeed 2.0 converts images to WebP and AVIF on nginx using a 32-bit capability mask. One decode pass, up to 37 variants per image.
Read more →Why I rebuilt mod_pagespeed from scratch
The story behind ModPageSpeed 2.0 — why mod_pagespeed was abandoned, what was kept from PSOL, and how a new architecture replaced the RewriteDriver.
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