What Is Cache?
Caching refers to storing copies of files or data in a temporary storage location to enable faster access and reduced server load.
The Importance Of Cache
Effective caching improves load times, reduces bandwidth usage, and enhances user experience, making it a cornerstone of technical SEO.Learn more: App Key Metrics: What is User Satisfaction?
Types Of Cache
- Browser Cache: Stores resources on a user’s device for future visits.
- Server-Side Cache: Stores frequently requested resources at the server level.
- Content Delivery Network (CDN) Cache: Distributes cached content across global servers for faster delivery.
Examples Of Cache
- Static assets like images, CSS, and JavaScript cached for 7 days.
- CDN caching for global e-commerce platforms.
Best Practices For Cache
- Use cache-control headers to define caching policies.
- Implement versioning for updated resources.
- Leverage CDNs for scalable caching solutions.
Key Aspects Of Cache
- Expiration Policies: Define how long resources remain cached.
- Validation: Use ETags or Last-Modified headers to validate cache freshness.
- Layered Caching: Combining browser, server-side, and CDN caching for maximum efficiency.
Challenges For Cache
- Ensuring users receive updated content when necessary.
- Handling cache invalidation during frequent updates.
Relevant Metrics
- Cache hit ratio.
- Load time improvement due to caching.
