Technical SEO & Marketing Tools
Run focused checks and calculations without creating an account. Network checks are performed securely by the site backend; browser-based tools process their inputs locally in your browser.
HTTP Header Inspector
Inspect the HTTP response status, response headers and important security headers for a public URL.
SSL Certificate Checker
Review a public domain’s TLS certificate, issuer, validity period, SAN names and negotiated protocol.
DNS Lookup
Retrieve common DNS records for a public domain, including A, AAAA, CNAME, MX, NS, TXT, SOA and CAA where supported.
Robots.txt Rule Tester
Fetch a domain’s robots.txt file and test whether a selected crawler user-agent is allowed to access a path.
Advanced Hreflang Validator
Inspect HTML hreflang annotations, language tags, self-references, alternate page responses and reciprocal references.
XML Sitemap Validator
Validate sitemap XML structure, root type, loc URLs, duplicate entries and basic lastmod date values.
Google Ads ROAS Calculator
Calculate return on ad spend, ROAS percentage and revenue less advertising cost from your campaign figures.
UTM Campaign URL Builder
Build tagged campaign URLs with source, medium, campaign, term and content parameters while preserving existing query strings.
Google SERP Snippet Preview
Preview a title, URL and meta description in a search-style result and review character counts and approximate pixel widths.
Hreflang Tag Generator
Generate HTML alternate-language link tags from a source page and a list of language-to-URL mappings.
Canonical Tag Generator
Create a clean HTML rel=canonical element for the preferred version of a page.
Redirect Rule Generator
Generate a basic single-URL redirect rule for Apache .htaccess or Nginx configuration.
JSON-LD Schema Generator
Create starter JSON-LD markup for Organization, LocalBusiness, Article or Product entities.
Paid Ads KPI Calculator
Calculate CTR, CPC, CPM, conversion rate, CPA and ROAS together from advertising spend, impressions, clicks, conversions and revenue.
Privacy note: only the information needed to run a selected live check is sent to the Digimavrick server. Browser-based tool inputs are processed locally in your browser.