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A scraper returning HTTP 200 tells you the browser worked. It tells you nothing about whether you got the data.
On a property-listing pipeline running 800–1,000 records per run, a single selector change dropped price extraction from a 97–99% baseline to 10–15% — while every request still came back successful. Silent failure.
I build data-contract monitoring into scraping systems for exactly this: expected record counts, missing-field thresholds, and freshness checks that fail loudly when extraction degrades. Plus per-session proxy configuration and browser fingerprint management across 20–30 concurrent sessions, with proxy failures categorised separately from extraction failures so you know which problem you actually have.
Stack: Playwright · Puppeteer · Node.js · Redis/BullMQ · proxy-chain
The network for creativity
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Creatives on Contra have earned over $150M and we are just getting started
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MyCarrier: DevOps & Cloud Transformation for Scalable Logistics SaaS
Preview description:
We helped MyCarrier move toward cloud-ready DevOps: adapted the system for microservices, implemented CI/CD and test automation, moved workloads to Azure, achieved 99.9% availability, decreased update delivery time to minutes.
Full description:
Problem
MyCarrier was growing fast, and the monolithic codebase became harder and more expensive to maintain. It was heavy, resource-consuming, and less suitable for the client’s long-term scaling plans. The team also needed faster delivery processes, but changes in the codebase and cloud migration had to stay unnoticed by users. Their logistics workflows could not be interrupted.
Solution
IT Craft aligned the project infrastructure with a microservices architecture and prepared the system for cloud operation. The team started with a technical audit and developed the migration strategy consisting of 20-28 items. The process was divided into pre-migration, migration, and post-migration phases, thus the product could keep running while infrastructure changed step by step.
The team moved non-critical standalone jobs to the cloud, connected virtual machines to Azure Storage Account, moved logging to MongoDB Atlas, and transferred user data and related processes to the cloud. New app functionality was released as microservices. IT Craft also designed and fine-tuned a CI/CD pipeline, automated infrastructure deployments, and reduced update delivery time through regression test automation.
Results
· Achieved 99.9% system availability.
· Maintained high fault tolerance using three shared clusters.
· Reduced update delivery time from hours to minutes.
· Enabled Sprint focus changes every two weeks based on client priorities.
Tech Stack:
· Azure Cloud
· MongoDB Atlas
· Azure SQL
· Azure App Service
· Azure Functions
· Azure Storage Account
Built a complete in-house telephony solution for Edwin INC as a full replacement for Teleforce. Developed using Node.js, Express, and Plivo features include a 14-agent simultaneous ring system, Plivo Browser SDK integration, SIP endpoints, Zoho CRM integration, call recording, voicemail, and real-time call routing dashboard. Hosted on Hostinger with Supabase (PostgreSQL) database. This tool eliminated the dependency on third-party calling software and saved significant operational costs for the company.
Impressive project! Building a complete in-house telephony platform with CRM integration and real-time call routing is a strong example of practical automation and cost optimization. 🚀
Every ranking jump starts with a number most people never look at: impressions.
Clicks tell you what's working. Impressions tell you what's possible, keywords you're already showing up for but not winning yet. That gap is usually where the fastest wins are hiding.
I go through this data for every technical SEO audit I run, small changes to titles and structure can move pages that are stuck on page 2 straight into the top 5.
Want me to take a quick look at yours? Send me your site.
