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How I made my SaaS site load instantly — and doubled signups without spending a cent
r/indiehackers
8/15/2025
Content Summary
The author shares how they improved their SaaS site's performance to achieve a 100 desktop and 98 mobile PageSpeed score. They implemented several optimizations such as removing heavy JavaScript, replacing videos with AVIF images, using Next.js for SSR/SSG, optimizing critical CSS, and reducing unused libraries. These changes led to faster load times, which can significantly improve conversion rates. The author also mentions that they are validating the idea before fully committing to building the product.
Opinion Analysis
Mainstream opinion: Improving website performance is crucial for user experience and business success. Many users agree that fast-loading sites lead to higher conversions and better user retention. Some users highlighted the importance of focusing on critical elements first and optimizing them before adding extra features. A few users pointed out potential usability issues, such as the vertical shift caused by the input box, showing that even small design choices can impact user experience. Overall, the post received positive feedback, with many users appreciating the practical tips provided.
SAAS TOOLS
| SaaS | URL | Category | Features/Notes |
|---|---|---|---|
| SynthicAI | https://www.synthicai.com | Web Application | Not specified in the post, but mentioned as the author's SaaS product |
USER NEEDS
Pain Points:
- Slow website loading times leading to poor user experience and conversion rates
- Unnecessary JavaScript animations and heavy assets causing performance issues
- Poor font loading affecting text visibility
Problems to Solve:
- Improve website speed to increase conversions
- Optimize assets for faster load times
- Reduce unnecessary code and libraries
Potential Solutions:
- Use lightweight CSS transitions instead of heavy JavaScript animations
- Replace videos with AVIF images for smaller file sizes
- Implement server-side rendering (SSR/SSG) for faster content delivery
- Optimize critical CSS and font loading
GROWTH FACTORS
Effective Strategies:
- Optimizing website performance to improve user experience and conversions
- Focusing on critical page elements to reduce load time
- Using efficient image formats like AVIF for better performance
Marketing & Acquisition:
- No direct marketing or acquisition methods mentioned, but improved performance likely led to increased signups
Monetization & Product:
- The author is validating the idea before fully committing to building the product
- Focus on solving a real problem before investing in feature development
User Engagement:
- Engaging with user feedback to identify and fix usability issues (e.g., vertical shift from input box)