FAQ - Page 6 of 19 - RACKSET - Page - 6

Popular and reliable DNS servers include Google DNS (8.8.8.8), Cloudflare DNS (1.1.1.1), and OpenDNS (208.67.222.222), which are known for their speed and uptime.

DNS propagation can take anywhere from 24 to 48 hours, depending on the DNS server and TTL (Time to Live) settings.

Slow websites are often caused by unoptimized images, poor server performance, excessive scripts, lack of caching, and missing Content Delivery Networks (CDNs), all negatively impacting SEO and user satisfaction.  

Flash content is difficult for search engines to crawl, slows down page loading, poses serious security risks, and is incompatible with most mobile devices, leading to poor SEO performance.  

An ideal XML sitemap should include clean URLs, proper canonicalization, updated last modification dates, and must exclude redirects, noindex pages, and duplicate content.  

Schema markup helps search engines understand your content better, enabling rich snippets that enhance visibility, improve click-through rates, and provide a competitive SEO advantage.

Page speed is a direct ranking factor for Google. Faster websites improve user experience, reduce bounce rates, and achieve better positions in search engine results pages (SERPs).

Higher costs and potential overselling by providers can affect performance. Research uptime and reviews. Quality varies in 2025.

Match it to traffic—1Gbps for moderate use, 10Gbps+ for heavy loads like streaming. Test your needs first. Providers often guide this.