How do web storage and cookies compare in performance?
Web storage, like localStorage and sessionStorage, generally offers better performance than cookies. This is because web storage allows for larger amounts of data to be stored and accessed more quickly, while cookies are sent with every HTTP request, which can slow down performance.
What are the main differences in data storage limits?
Cookies typically have a size limit of about 4KB, while localStorage can store up to 5-10MB per origin, depending on the browser. This makes web storage much more suitable for larger data.
Are there any security concerns with using cookies?
Yes, cookies can be vulnerable to attacks like Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF). It's important to use secure flags and HttpOnly attributes to mitigate these risks.
When should I use web storage instead of cookies?
Use web storage when you need to store larger amounts of data or when you want to avoid sending data with every HTTP request. Cookies are better for session management and tracking.
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