Latest posts Visit blog
14 min read

Field Data Over Lab Scores: Measure Real Shop Speed

A lab run measures one page under fixed conditions, while field data collects what really reaches visitors. How the two belong together, why the 75th percentile decides and how to build your own collection without a third-party service.

15 min read

Reduce Third-Party Scripts: Win Back Shop Speed

Chat, ads and tracking load more JavaScript than your own shop code at the median. How to find, defer, replace and remove third-party scripts without losing features - and win back load time.

14 min read

View Transitions API: Seamless Page Changes for Shops

Cross-document view transitions are available in all major browsers and give classic shops app-like changes - framework-free. Learn to implement @view-transition, morphed product images and speculation rules.

13 min read

Speculation Rules API: Instant Page Loads for Shops

Prerendering via the Speculation Rules API makes product and checkout pages appear near-instantly. Ray-Ban doubled its mobile conversion this way (web.dev).

14 min read

Brotli & Asset Compression: Ship Your Online Shop Faster

Brotli compresses web content 20-26% better than Gzip (HTTP Archive), yet 61% of origin servers still ship Gzip (HTTP Archive). How to deliver text assets faster with Brotli, minification, and clean server configuration.

12 min read

Optimize INP: Interaction to Next Paint for Shops 2026

Only 43% of all websites pass all Core Web Vitals (incl. INP). Learn how to optimize your online shop's interactivity and increase conversions.

13 min read

HTTP/3 and QUIC: Performance Upgrade for Shops 2026

HTTP/3 with QUIC integrates TLS 1.3 into connection setup, removes head-of-line blocking at the transport level, and measurably cuts latency.

13 min read

Adaptive Image Loading: AVIF, Lazy & Responsive 2026

AVIF saves around 50 % bytes versus JPEG. But without picture, fetchpriority and clean lazy loading you waste LCP time. Build a real adaptive image pipeline.

13 min read

Lighthouse 100/100/100/100: Full Scores for Shopware 2026

How Shopware stores reach Lighthouse 100 in all four categories — performance, a11y, best practices and SEO with thresholds, levers and a 7-phase roadmap.