Blog · Astrina
Astrina blog
Product guides, feature deep-dives and practical tips for getting the most out of your analytics, reviews, SEO, login & support — all in one place.
DevelopersYAML ↔ JSON — Free Developer ToolConvert between YAML and JSON. Runs entirely in your browser — nothing is uploaded.August 8, 2026Read →SEOKeyword analysis — Free SEO ToolDensity and frequency of words on the page. Fast server-side check, no account needed.August 8, 2026Read →SEOMeta tag checker — Free SEO ToolTitle, description and og tags with lengths. Fast server-side check, no account needed.August 8, 2026Read →SEOOpen Graph preview — Free SEO ToolThe card shown when your link is shared. Fast server-side check, no account needed.August 8, 2026Read →SEOSchema validator — Free SEO ToolValidates JSON-LD structured data. Fast server-side check, no account needed.August 8, 2026Read →SEOSERP preview — Free SEO ToolHow the snippet looks in search results. Fast server-side check, no account needed.August 8, 2026Read →SEOFull site audit — Free SEO ToolTechnical, speed and security in one pass. Fast server-side check, no account needed.August 8, 2026Read →AnalyticsWhy your analytics shows fewer visitors than your server logsAd blockers delete third-party counters before they run. How to measure your own gap from your access log, and what first-party collection does and does not fix.July 17, 2026Read →AnalyticsFirst-party analytics with a CNAME: what it fixes and what it does notOne DNS record moves your counter onto your own domain. What a CNAME actually does, the certificate and Cloudflare gotchas, and how to prove it worked.July 17, 2026Read →SEOIndexNow: faster indexing in Bing and Yandex, and why Google is not in itTell Bing, Yandex, Seznam and Naver the moment a page changes. How ownership is proved, where the automation belongs, and the 403 that fails silently.July 17, 2026Read →
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