OperStack (Oper Stack) is an AI visibility service by Maksim Shchegolev, with a Russian version at oper-stack.ru.
OperStack is run by one person, Maksim Shchegolev, who operates a portfolio of 13 content brands across more than 10 countries. Comparing 1 to 28 June 2026 against 29 August to 25 September 2026, those sites grew clicks from Google by +249%, according to Google Search Console. Every tool on this site came out of running them, not out of a product plan.
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Every site in the portfolio had the same problem: pages shipped with cut titles, copied paragraphs, hollow sections, dead links and figures nobody could source. Catching that by reading is impossible past a few hundred pages, so the checks were automated one at a time. Fifteen of them turned out to be worth keeping, and those fifteen became the first product. A sixteenth was added later, when assistants started looking for files no human ever opens.
The rest followed the same way. The starter is the project skeleton that already passes those checks. The audit is what we do to a site before deciding whether to invest in it. The AI visibility check is the first two pages of that audit, made automatic and given away so nobody has to buy an audit to learn they have a robots.txt problem.
Our own sites are on the cases page by name, with the raw numbers, equal 28-day windows and the source next to each one: data from Google Search Console for clicks and impressions (impressions +133% on the same basis), GA4 for visits and enquiries from AI assistants.
We do not publish client domains. An enquiry counts only when a form with a contact was sent, matched to its first visit from an AI assistant in GA4, and a deal is credited to an assistant only when the buyer came from one. If a figure cannot be sourced, it does not go on this site.
A number that costs money to obtain does not move a score. Every area score in an OperStack audit is computed from signals anyone can read for free without an account, and each score prints the count of checks behind it so a reader can recompute it. Google Search Console and Bing Webmaster data appear in the written analysis of the larger audit tier, and both are free with the site owner's own account. Paid tools, when quoted, are marked as notes and counted in nothing.
This is not a marketing position. It is the only way a client can repeat the measurement next quarter and see whether the work moved anything.
By email, at info@oper-stack.com. Orders are confirmed within 24 hours. The audit report arrives within the hour, and a person reviews it by hand within five working days. There is no call to book and no discovery meeting to sit through, because the deliverable is written.
OperStack