https://mzrdigital.ru/en/blog Notes from the MZR Digital studio: custom development, local LLMs, RAG, B2B platforms, replacing foreign systems, marketplace integrations. en Tue, 22 Sep 2026 00:00:00 GMT Astro RSS https://mzrdigital.ru/en/blog/measure-chatgpt-traffic-from-logs https://mzrdigital.ru/en/blog/measure-chatgpt-traffic-from-logs Tue, 22 Sep 2026 00:00:00 GMT Neither analytics nor Search Console answers whether AI bots visit you. Only your access logs do. Real numbers: 431 fetches by AI bots against 84 by Googlebot, and two traps that inflate the result sevenfold. hello@mzrdigital.ru (Nikolay Mazur) AI ChatGPT Analytics SEO GEO Logs https://mzrdigital.ru/en/blog/what-accounting-integration-costs https://mzrdigital.ru/en/blog/what-accounting-integration-costs Sat, 19 Sep 2026 00:00:00 GMT What makes up the budget for integrating an accounting system with a website, CRM or marketplace: ranges for three typical scenarios, what quietly inflates a project, and why a fixed price without an audit is a bad sign. hello@mzrdigital.ru (Nikolay Mazur) Integrations Budget Estimation API https://mzrdigital.ru/en/blog/ai-assistant-for-sales-what-to-prepare https://mzrdigital.ru/en/blog/ai-assistant-for-sales-what-to-prepare Tue, 04 Aug 2026 00:00:00 GMT What has to be in place before deploying an AI assistant: an audit of data sources, a master system per data type, access approvals and quality criteria. With a readiness checklist. hello@mzrdigital.ru (Nikolay Mazur) AI assistant RAG Sales CRM Data Deployment https://mzrdigital.ru/en/blog/how-long-a-sap-migration-takes https://mzrdigital.ru/en/blog/how-long-a-sap-migration-takes Tue, 04 Aug 2026 00:00:00 GMT What determines the length of a SAP migration: the number of active modules, the volume of customisation, the integrations and the readiness of the client's team. Benchmarks by stage, a separate section on banks, and what stretches a project. hello@mzrdigital.ru (Nikolay Mazur) SAP ERP Timelines Data migration Banks https://mzrdigital.ru/en/blog/marketplace-api-limits-and-errors https://mzrdigital.ru/en/blog/marketplace-api-limits-and-errors Tue, 04 Aug 2026 00:00:00 GMT Working with marketplace APIs in practice: per-method rate limits, asynchronous operations, idempotency, retries and priorities. Why stock figures diverge and how that gets fixed. hello@mzrdigital.ru (Nikolay Mazur) Marketplaces API Integrations Reliability https://mzrdigital.ru/en/blog/multi-tenant-saas https://mzrdigital.ru/en/blog/multi-tenant-saas Tue, 04 Aug 2026 00:00:00 GMT Three data isolation models for multi-tenant SaaS — database per tenant, shared database with tenant_id, schema per tenant. What a retrofit actually costs and when you do not need multi-tenancy at all. hello@mzrdigital.ru (Nikolay Mazur) SaaS Multi-tenant Architecture PostgreSQL Data isolation https://mzrdigital.ru/en/blog/product-vs-project-custom-development https://mzrdigital.ru/en/blog/product-vs-project-custom-development Tue, 04 Aug 2026 00:00:00 GMT The difference between project and product approaches to custom development: who is responsible for the outcome, how the budget works, what happens after release, and how to choose. hello@mzrdigital.ru (Nikolay Mazur) Custom development Product approach Budget Contracts Discovery https://mzrdigital.ru/en/blog/legaltech-platform-what-to-automate https://mzrdigital.ru/en/blog/legaltech-platform-what-to-automate Mon, 03 Aug 2026 00:00:00 GMT Automating a legal workflow: a procedure state machine instead of a kanban board, DOCX generation from templates, commission calculations, an audit log and data protection requirements. hello@mzrdigital.ru (Nikolay Mazur) Legaltech Law firms Automation Document workflow B2B2C https://mzrdigital.ru/en/blog/rag-parsing-corporate-documents https://mzrdigital.ru/en/blog/rag-parsing-corporate-documents Wed, 22 Jul 2026 00:00:00 GMT In B2B RAG projects 60–70% of the budget goes into parsing and preparing documents, not into the neural network. The traps in real corporate PDFs — hybrid scans, tables, running headers, versions — and the fixes, with code. hello@mzrdigital.ru (Nikolay Mazur) RAG LLM AI Parsing PDF Qdrant https://mzrdigital.ru/en/blog/accounting-integration-website-crm-marketplaces https://mzrdigital.ru/en/blog/accounting-integration-website-crm-marketplaces Mon, 20 Jul 2026 00:00:00 GMT How to connect the accounting system to a website, CRM and marketplaces: HTTP services, OData, exchange over a queue. Why spreadsheet exports collapse and how to build an exchange that survives the first change in the product catalogue. hello@mzrdigital.ru (Nikolay Mazur) Integrations API CRM Marketplaces Automation https://mzrdigital.ru/en/blog/custom-build-vs-off-the-shelf-b2b https://mzrdigital.ru/en/blog/custom-build-vs-off-the-shelf-b2b Mon, 20 Jul 2026 00:00:00 GMT An honest breakdown of when an off-the-shelf product wins and when a custom B2B platform does. The 30% customisation rule, total cost of ownership over two to three years, and the questions that decide it. hello@mzrdigital.ru (Nikolay Mazur) B2B Development SaaS CRM Architecture Budget https://mzrdigital.ru/en/blog/marketplace-margin-analytics https://mzrdigital.ru/en/blog/marketplace-margin-analytics Sun, 19 Jul 2026 00:00:00 GMT Marketplace back offices show revenue, not profit. Where the margin goes — commissions, logistics, storage, returns — and how to assemble honest unit economics per SKU. hello@mzrdigital.ru (Nikolay Mazur) Marketplaces Analytics Unit economics BI ClickHouse https://mzrdigital.ru/en/blog/telegram-bot-instead-of-a-dashboard https://mzrdigital.ru/en/blog/telegram-bot-instead-of-a-dashboard Sun, 19 Jul 2026 00:00:00 GMT When a Telegram bot beats a web portal for B2B: order intake, order status, document delivery, integration with accounting and CRM. An MVP in three to five weeks, and where the boundary runs. hello@mzrdigital.ru (Nikolay Mazur) Telegram Bots B2B CRM Automation https://mzrdigital.ru/en/blog/sap-migration-timeline-and-stages https://mzrdigital.ru/en/blog/sap-migration-timeline-and-stages Sun, 19 Jul 2026 00:00:00 GMT A step-by-step plan for leaving SAP or Oracle: how to choose what to replace first, how long a phased migration takes, and why a pilot of one critical process takes six to ten weeks. hello@mzrdigital.ru (Nikolay Mazur) SAP Oracle Migration ERP Replacement https://mzrdigital.ru/en/blog/what-rag-costs https://mzrdigital.ru/en/blog/what-rag-costs Sat, 18 Jul 2026 00:00:00 GMT Real numbers for deploying RAG on corporate data: from a pilot to a production system with roles, auditing and index updates. What is in the budget and where you can genuinely save. hello@mzrdigital.ru (Nikolay Mazur) RAG Local LLM Budget B2B Qdrant https://mzrdigital.ru/en/blog/rag-vs-fine-tuning https://mzrdigital.ru/en/blog/rag-vs-fine-tuning Mon, 06 Jul 2026 00:00:00 GMT Two approaches to deploying an LLM on corporate data. When RAG wins on cost and accuracy, when fine-tuning is justified, and why we pick RAG in four out of five B2B projects. hello@mzrdigital.ru (Nikolay Mazur) RAG Fine-tuning Local LLM Qdrant vLLM https://mzrdigital.ru/en/blog/sap-replacement-methodology https://mzrdigital.ru/en/blog/sap-replacement-methodology Sun, 05 Jul 2026 00:00:00 GMT How to replace SAP with a local system in stages while preserving the business processes. The pilot, data migration, the parallel track and decommissioning the old system. hello@mzrdigital.ru (Nikolay Mazur) SAP Oracle ERP Migration On-premise WMS https://mzrdigital.ru/en/blog/local-llm-for-b2b https://mzrdigital.ru/en/blog/local-llm-for-b2b Sat, 04 Jul 2026 00:00:00 GMT The economics of on-premise LLMs: when local deployment is genuinely justified, what it really costs to run, what infrastructure it needs, and how to estimate the timeline. hello@mzrdigital.ru (Nikolay Mazur) Local LLM Mistral Qwen vLLM On-premise