When we talk about Next.js, the choice of rendering strategy is crucial to optimizing performance, improving user experience, and promoting organic citations (SEO). This article gives you a practical and 100% SEO-friendly guide to ranking rendering strategies from most effective to least effective.
1. Static Site Generation (SSG): The foundation of performance
SSG includes pre-generating website pages at build time to provide optimal performance.
When to use it?
- Ideal for content that rarely changes, such as blogs, homepages, or documents.
benefit:
- Pages are cached and load very fast.
- Since pre-generated content is directly accessible to search engines, it is ideal for SEO.
shortcoming:
- Not suitable for content that needs to be updated frequently.
Specific examples:
A blog whose articles don’t change often. use generateStaticParams() Get super-fast and well-cited pages.
2. Incremental Static Regeneration (ISR): Best of both worlds
ISR allows static pages to be updated regularly while maintaining optimal performance.
When to use it?
- For static pages that need to be updated regularly, such as product catalogs.
benefit:
- Combine the speed of SSG with the ability to update material without rebuilding the entire site.
- Optimize SEO while ensuring your data is relatively up to date.
- With the new application catalog, ISRs can be set directly in routes using properties
revalidate.
shortcoming:
- Requires additional configuration and setup
revalidate.
Specific examples:
An e-commerce website where the prices and availability of products change regularly. Configuration revalidate Go directly into the application system to keep your pages up to date.
3. Server-side rendering (SSR): used for dynamic data
SSR dynamically generates pages on each request.
When to use it?
- Ideal for pages that rely on dynamic data, such as custom dashboards or user content.
benefit:
- Ensure data is always up to date.
- Very useful for pages with personalized content.
shortcoming:
- Slower than SSG or ISR, which affects performance and SEO.
Specific examples:
A user dashboard that displays data specific to each session. use fetch with new models async components Optimize SSR rendering.
4. Client-side rendering (CSR): for real-time interaction
CSR delegates page rendering to the browser via JavaScript.
When to use it?
- Ideal for interactive-rich applications such as live chat or dynamic notification applications.
benefit:
- Ideal for highly interactive user interfaces and frequent updates.
shortcoming:
- SEO is less efficient because the initial content is generated client-side.
Specific examples:
Live chat or billboard application. combine useEffect() Use with libraries like SWR or React Query for a smooth experience.
5. Hybrid strategy: maximum flexibility
Combine multiple strategies (SSG, ISR, SSR, and CSR) to meet different needs of the same site.
When to use it?
- For complex websites with pages with different requirements.
benefit:
- Provides complete flexibility to create customized architectures.
- The Next.js application catalog enables more intuitive mix management by assigning rendering strategies to each route or component.
shortcoming:
- Rigorous planning is required to choose the right strategy for each page.
Specific examples:
An e-commerce website that combines:
- Static Blog (SSG).
- Regularly update the product page (ISR).
- User Dashboard (SSR).
- Live Chat (CSR).
How to choose the optimal rendering strategy in Next.js?
-
Analyze the needs of each page:
- Static data → SSG or ISR.
- Dynamic data→SSR.
- Instant Function → CSR.
-
Prioritize performance and SEO:
- Mainly use SSG and ISR for best performance.
- Avoid using SSR if it is not necessary.
- Limit CSR to reduce its impact on SEO.
-
Planning a hybrid strategy:
- Combine multiple methods to create an architecture that suits the different needs of users.
Conclusion: Maximize your performance with Next.js
Optimization architecture in Next.js relies on a balance between different rendering strategies. By understanding the pros and cons of each approach, you can create a user experience that is smooth, fast, and perfectly optimized for SEO.
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source: https://seodev.fr/blog/developpement-web-et-mobile/nextjs-strategies-rendu-optimization-seo