Base44 performance

Image Upload and Display Performance Issues in Base44

Images in your Base44 app are causing performance problems. Uploading images takes a very long time or fails entirely, and pages with multiple images load extremely slowly. Users with slower internet connections experience the worst effects, with images taking 10+ seconds to appear.

Image-heavy apps (portfolios, product catalogs, real estate listings, etc.) are particularly affected. Each full-resolution image can be several megabytes, and a page displaying 20+ images may need to download 50MB or more of data.

Thumbnail views that should show small preview images are instead loading the full-resolution versions, wasting bandwidth and dramatically slowing down the page.

Error Messages You Might See

Upload failed: file too large Image load timeout Failed to fetch image resource
Upload failed: file too largeImage load timeoutFailed to fetch image resource

Common Causes

  1. Images are stored and served at their original full resolution without compression or resizing
  2. No thumbnail generation is configured, so gallery views load full-size images
  3. Lazy loading is not enabled, so all images on the page load simultaneously on page open
  4. The image storage location has slow delivery (no CDN or edge caching)
  5. Image upload has no file size limit, allowing users to upload very large files

How to Fix It

Compress images before uploading using a tool like TinyPNG or Squoosh. Aim for images under 200KB for gallery/list views and under 1MB for full-screen display.

If Base44 supports lazy loading, enable it so images only load as the user scrolls to them. This dramatically reduces initial page load time for image-heavy pages.

For apps that handle many images, a developer can implement automatic image compression on upload, generate thumbnails at multiple sizes, and configure a CDN for fast delivery.

Real developers can help you.

Costea Adrian Costea Adrian Embedded Engineer specilizing in perception systems. Latest project was a adas camera calibration system. Milan Surelia Milan Surelia Milan Surelia is a Mobile App Developer with 5+ years of experience crafting scalable, cross-platform apps at 7Span and Meticha. At 7Span, he engineers feature-rich Flutter apps with smooth performance and modern UI. As the Co-Founder of Meticha, he builds open-source tools and developer-focused products that solve real-world problems. Expertise: πŸ’‘ Developing cross-platform apps using Flutter, Dart, and Jetpack Compose for Android, iOS, and Web. πŸ–‹οΈ Sharing insights through technical writing, blogging, and open-source contributions. 🀝 Collaborating closely with designers, PMs, and developers to build seamless mobile experiences. Notable Achievements: 🎯 Revamped the Vepaar app into Vepaar Store & CRM with a 2x performance boost and smoother UX. πŸš€ Launched Compose101 β€” a Jetpack Compose starter kit to speed up Android development. 🌟 Open source contributions on Github & StackOverflow for Flutter & Dart πŸŽ–οΈ Worked on improving app performance and user experience with smart solutions. Milan is always happy to connect, work on new ideas, and explore the latest in technology. Vlad Temian Vlad Temian 15+ years shipping production infrastructure for startups. Former CTO at qed.builders (acquired by The Sandbox). Cursor ambassador and agentic tooling builder. I've scaled systems, automated deployments, and built observability tools for AI coding workflows. I specialize in taking vibe-coded apps from broken prototype to production-ready: fixing Supabase auth/RLS, Stripe integrations, deployment pipelines, and cleaning up AI-generated spaghetti. I build tools in this space (agentprobe, claudebin, micode) and understand both sides: how AI generates code and why it breaks. https://blog.vtemian.com/ Stanislav Prigodich Stanislav Prigodich 15+ years building iOS and web apps at startups and enterprise companies. I want to use that experience to help builders ship real products - when something breaks, I'm here to fix it. MFox MFox Full-stack professional senior engineer (15+years). Extensive experience in software development, qa, and IP networking. Krishna Sai Kuncha Krishna Sai Kuncha Experienced Professional Full stack Developer with 8+ years of experience across react, python, js, ts, golang and react-native. Developed inhouse websearch tooling for AI before websearch was solved : ) Jen Jacobsen Jen Jacobsen I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle β€” turning ideas into real, well-built products that are intuitive for users and scalable for businesses. I particularly enjoy building mobile apps, modern web platforms, and solving complex technical problems in a way that keeps systems clean, reliable, and easy to maintain. Yovel Cohen Yovel Cohen I got a lot of experience in building Long-horizon AI Agents in production, Backend apps that scale to millions of users and frontend knowledge as well. Sage Fulcher Sage Fulcher Hey I'm Sage! Im a Boston area software engineer who grew up in South Florida. Ive worked at a ton of cool places like a telehealth kidney care startup that took part in a billion dollar merger (Cricket health/Interwell health), a boutique design agency where I got to work on a ton of exciting startups including a photography education app, a collegiate Esports league and more (Philosophie), a data analytics as a service startup in Cambridge (MA) as well as at Phillips and MIT Lincoln Lab where I designed and developed novel network security visualizations and analytics. I've been writing code and furiously devoted to using computers to make people’s lives easier for about 17 years. My degree is in making computers make pretty lights and sounds. Outside of work I love hip hop, the Celtics, professional wrestling, magic the gathering, photography, drumming, and guitars (both making and playing them) ISHANTDEEP SINGH ISHANTDEEP SINGH Senior Software Engineer with 7+ years of experience in React, JavaScript, TypeScript, Next.js, and Node.js. I’ve also worked as a tech lead for startups, owning end-to-end technical execution including architecture, development, scaling, and delivery. I bring a strong mix of hands-on coding, product thinking, and technical leadership, and I’m comfortable building products from scratch as well as improving and scaling existing systems.

You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.

Get Help

Frequently Asked Questions

Why are images loading slowly in my Base44 app?

Images are likely being served at full resolution. Compress them before uploading (aim for under 200KB for thumbnails) and enable lazy loading if available.

How do I optimize image uploads in Base44?

Set a maximum file size for uploads, compress images before uploading, and consider using an external image CDN service for faster delivery.

Related Base44 Issues

Can't fix it yourself?
Real developers can help.

You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.

Get Help