Understanding and Improving Website Performance: Our Latest Findings
As part of our ongoing commitment to delivering high-quality digital experiences, we‘ve been conducting comprehensive performance audits for our clients. Developing and maintaining web features can be both challenging and exhausting. Our goal is to alleviate this pressure and partner fully with our clients to ensure they deliver outstanding products.
Key Metrics and Findings
- Largest Contentful Paint (LCP): Averaging at 5.1 seconds, with some sites reaching up to 7.3 seconds.
- Speed Index: Averaging at 6.0 seconds.
- Total Blocking Time (TBT): Averaging at 640ms.
- Time to Interactive (TTI): Averaging at 5.5 seconds.
Common Issues Identified
- Serving images in outdated formats, leading to potential savings of up to 730 KiB by converting to next-gen formats.
- Unminified JavaScript, with potential savings of 70 KiB.
- Insufficient contrast ratios between background and foreground colors.
- Web app manifests or service workers not meeting installability requirements.
Our Recommendations
- Optimize Images: Convert to next-gen formats like WebP and ensure proper sizing and compression.
- Minify and Compress Assets: Use tools like Terser for JavaScript and CSSNano for CSS.
- Improve Server Response Time: Utilize CDNs and optimize server configurations.
- Reduce JavaScript Execution Time: Defer unnecessary scripts and optimize long-running tasks.
- Ensure Accessibility Compliance: Adjust color contrast ratios and ensure web app manifests and service workers meet criteria.
Why This Matters
By focusing on these key areas, we aim to enhance user experience, improve site performance, and ensure accessibility. We understand that the process of developing new features is demanding. Our mission is to support our clients every step of the way, ensuring that the final product not only meets but exceeds performance expectations.