WHOIS Domain Date

Shows WHOIS creation date for the current site or all domains on the page.

English Version Short Introduction This is a browser extension designed for SEO analysis. It allows you to instantly check a website’s domain registration date (Domain Age), helping you evaluate website authority, credibility, and competition level. What does this extension do? • Automatically retrieves and displays the domain registration date of the current website • Calculates the domain age (how long the domain has been registered) • No need to visit external Whois websites — view the information directly while browsing Why is this useful for SEO? From an SEO perspective, domain registration date is commonly used to: • Determine whether a website is a new site or an established site • Assist in evaluating: • Search result competition level • Website credibility and trustworthiness • Whether a site is likely to be a short-term or spam website • Especially useful in the following scenarios: • Keyword research • Competitor analysis • Backlink quality evaluation • Detecting site networks or mass-generated websites Long Description Domain Age Checker is a lightweight browser extension designed for SEO professionals, website owners, and content creators. It allows you to quickly view a website’s domain registration date and domain age with a single click. When performing SEO analysis, knowing whether a website is newly registered or long-established can help assess its potential authority, stability, and competitive difficulty. This extension enables you to access these key insights instantly while browsing, without the need to visit third-party Whois services. Key Features • Displays the domain registration date (Creation Date) • Automatically calculates domain age (years / months) • Supports major top-level domains (.com, .net, .org, etc.) • One-click access with in-page display that does not disrupt browsing Use Cases • SEO keyword and competitor analysis • Identifying newly registered websites • Preliminary backlink quality screening • Detecting site networks and mass-generated sites Who Is It For? • SEO specialists • Independent website owners • Digital marketers • Content creators