April 11, 2026March core update complete; Search Console impressions bug fixedCore update rollout ended; GSC impressions were inflated for ~1 year due to a bug; security risk note: AI may increase software exploits.MDMikhail DrozdovRead →
April 10, 2026Google "Data Strength": a bidding-quality lever, not just reportingSEJ frames Google's Data Strength push as primarily about improving bidding via stronger conversion signals. Practical tests and measurement plan.MDMikhail DrozdovRead →
April 10, 2026March 2026 Google Core Update: SISTRIX Finds 4:1 Ratio of Losers to Winners in GermanySISTRIX analysis shows a 4:1 ratio of visibility loss to gain after Google's March Core Update in Germany, with uneven impact across site categories.MDMikhail DrozdovRead →
April 9, 2026AI Overviews Optimization: Tools, Tracking, and Measurability in 2026Analysis of tools/software for Google AI Overviews: optimization, tracking, and how to validate effects on SERP visibility using measurable signals.MDMikhail DrozdovRead →
April 8, 2026Google on multiple URLs serving the same content: SEO implicationsMueller says Google can handle multiple URLs with the same content. Practical checks for canonicalization, crawling, and measurement in GSC.MDMikhail DrozdovRead →
April 4, 2026Google March Core Update: Crawl Limits, Gemini Traffic, and Indexing SignalsAnalysis of Google's March 2026 core update, crawl limits per Illyes, and a spike in Gemini referral traffic, with actionable SEO checks.MDMikhail DrozdovRead →
April 4, 2026When (and why) to split XML sitemaps into multiple filesMueller explains cases where splitting sitemaps helps. Practical mechanisms, failure modes, and a 7‑day verification plan for SEO engineers.MDMikhail DrozdovRead →
April 3, 2026AMA PPC Archives: Structured Q&A as a Retrieval Signal in Paid SearchSEJ's monthly PPC Q&A archive is an evolving knowledge base. Its structure provides testable cues for SEO and retrieval, impacting search visibility.MDMikhail DrozdovRead →
March 30, 2026Gemini referral growth vs ChatGPT decline: SEO measurement planSE Ranking data: Gemini referrals more than doubled in 2 months; ChatGPT referrals declined from peak. What to verify and measure in GA/GSC.MDMikhail DrozdovRead →
March 30, 2026Operationalizing Uncertainty in SEO Analytics: Communication, Credibility, and Decision SignalsHow to structure and communicate uncertainty in SEO reporting without undermining trust. Explains mechanisms, practical checks, and actionable steps.MDMikhail DrozdovRead →
March 28, 2026Google AI Headlines & Spam Update: Implications for Search VisibilityGoogle tests AI-generated headlines, completes a rapid spam update, and introduces AI content labeling in structured data. Action points for SEO teams.MDMikhail DrozdovRead →
March 28, 2026Google March 2026 Core Update: Fast Checks and Impact PatternsGoogle's March 2026 core update is rolling out. This research note details checks, mechanisms, and fast verification steps for organic search teams.MDMikhail DrozdovRead →
March 21, 2026Googlebot 404 Crawling: Implications for Content Discovery and IndexingGooglebot crawling 404s signals crawl budget isn't maxed out. This behavior can be leveraged for faster discovery and indexing of new or improved content.MDMikhail DrozdovRead →
February 11, 2026Index selection (2026): why Google crawls your pages but refuses to store them“Crawled — currently not indexed” is not a verdict on your writing. It is an index selection decision: Google is choosing what becomes core memory for your site. This essay explains the mechanism, how to diagnose whether you’re failing hard gates or priority, and what changes the outcome without creating noise.MDMikhail DrozdovRead →
February 2, 2026Crawled but not indexed reasons (2026): 9 causes and what to do firstIf Google crawled your page but did not index it, the bottleneck is rarely “one on-page fix”. This page lists the most common causes (technical gates + prioritization), how to tell them apart fast, and the few actions that reliably change the outcome.MDMikhail DrozdovRead →
January 30, 2026Crawl vs index (2026): why Google can fetch a page and still not store itCrawling is fetching. Indexing is storage. This entry page explains the difference, why “crawled” doesn’t imply “indexed”, and how to diagnose the gap using GSC statuses and system signals.MDMikhail DrozdovRead →
January 28, 2026All Google Search Console indexing statuses (2026): meanings, causes, and what to check nextA directory of Google Search Console indexing statuses with plain-English meanings, why they happen, and the exact follow-up checks. Use this as a map into the full library of status-specific guides.MDMikhail DrozdovRead →
January 28, 2026noindex meaning (2026): what it does, what it doesn’t, and when it backfiresnoindex is not a “cleanup trick”. It is a crawling-visible directive that tells systems not to store a page for search surfaces. This guide explains how noindex actually behaves, why it fails when robots.txt blocks crawl, and when using it creates long-term visibility debt.MDMikhail DrozdovRead →