EC Site Burdened by Increased Products and Navigation Design Improves Display Speed Up to Approximately 4x with Repro Booster, Contributing to Sales Growth
Repro Inc. announced that its web site display speed improvement tool, "Repro Booster," was introduced to "ENDLESS MODE," an EC site operated by Endless Inc. This led to a significant improvement in display speed (FCP by 75.7%, LCP by 76.4%) and contributed to increased sales (Session CVR by 16.8%, PV per session by 7.7%). Endless Inc. had integrated its scattered EC sites into "ENDLESS MODE" using "EBISUMART," but faced performance issues due to over 50,000 products and large data. Repro Booster was selected for its easy implementation and quick results.
📋 Article Processing Timeline
- 📰 Published: April 14, 2026 at 20:06
- 🔍 Collected: April 14, 2026 at 11:31
- 🤖 AI Analyzed: April 14, 2026 at 14:12 (2h 41m after Collected)
Repro Inc. provides marketing solutions. Endless Inc. operates the "ENDLESS MODE" EC site. "ENDLESS MODE" adopted "EBISUMART" as its EC platform. Repro Booster, a web site display speed improvement tool from Repro Inc., was implemented on "ENDLESS MODE." This implementation resulted in: FCP improved by 75.7% (from 2.028 seconds to 0.492 seconds, approx. 4.1x faster); LCP improved by 76.4% (from 2.336 seconds to 0.552 seconds, approx. 4.2x faster); Session CVR improved by 16.8% (from 1.13% to 1.32%); PV per session improved by 7.7% (from 6.62 to 7.13). Other benefits include resolved display delay complaints, reduced bounce rate, increased page views, and higher purchase volume and average order value. Endless Inc. manages "PARTS CLUB" and "LUNA EARTH" brands. "ENDLESS MODE" is a shopping mall-type EC site with over 1 million monthly visitors, formed by integrating multiple EC sites using "EBISUMART." Prior to Repro Booster, page load times were 7-8 seconds due to high product volume (approx. 50,000 items) and extensive content. Repro Booster was chosen for its easy, tag-based implementation, rapid efficacy, and compatibility with "EBISUMART." A case study article is available at https://repro.io/casestudy/endless/. Endless Inc. (established July 2001, Tokyo) is represented by Yi Feng Xiao. Repro Inc. (established April 2014, Tokyo) is represented by Yusuke Hirata and develops "Repro MA" and "Repro Booster."