Gulbahar Karatas
Gülbahar is an AIMultiple industry analyst focused on web data collection, applications of web data and application security.
Professional experience
She previously worked as a marketer in U.S. Commercial Service.
Research interests
She is a frequent user of the products that she researches. For example, she is part of AIMultiple's web data benchmark team that has been annually measuring the performance of top web data infrastructure providers.
Education
Gülbahar has a Bachelor's degree in Business Administration and Management in 9 Eylul University.
Latest Articles from Gulbahar
Crunchbase Scraper (Python): Tutorial & Benchmark
Crunchbase is protected by Cloudflare’s enterprise-grade anti-bot system, which blocks most automated scrapers. Even advanced tools like Selenium often return 403 errors or endless “Just a moment…” pages. Learn how to scrape Crunchbase with Python: setting up your environment, using a web unlocker to bypass restrictions, and extracting data from Crunchbase search results and company…
7 Best Amazon Scrapers Ranked by Performance
Amazon’s anti-scraping technology keeps getting harder to bypass. To find out which tools actually work, we benchmarked top Amazon scraper APIs over 1,400 URLs from 7 Amazon domains and identified the most reliable and cost-efficient solutions. Here are the most cost-efficient and high-success scraper for Amazon: Amazon scraping benchmark results We tested each API against…
10 Best Enterprise Proxy Servers for Large-Scale Operations in 2026
We tested the best enterprise proxy service providers with 30 million requests, across 100,000 parallel requests, to identify the most reliable enterprise-grade proxy options for large-scale operations. See the top 5 performance leaders follow based on our benchmark. Detailed reviews for all 10 providers are included below. Enterprise proxy pricing and cost comparison table 2026…
Large-Scale Web Scraping: Techniques & Challenges
We benchmarked leading web scraper APIs with 12,500 requests to e-commerce platforms and search engines. Then, we tested the reliability of the underlying services (i.e. residential proxies) with 5,000 and 100,000 parallel requests. Based on these experiences, we outline how to efficiently and ethically scrape large-scale data. Explore the top vendors, challenges of large-scale data…
5 Best Scraping Browsers in 2026 (Bright Data vs Oxylabs vs Zyte)
Scraping browsers handle the unblocking infrastructure, enabling users to interact with websites programmatically and extract data easily. We benchmarked the top scraping browsers on sites with login walls, infinite scroll, and strict anti-bot rules. We updated this guide to include the latest anti-bot evasion techniques (TLS 1.3 fingerprinting) and updated pricing models for Bright Data…
Benchmarked the Best UK Proxies (2026)
We benchmarked the top 6 UK proxy services against high-security British domains, including social media and e-commerce sites, to identify the best UK-based residential proxies. Tested at 15-minute intervals, here are our top picks based on success rates and speed: Price comparison of UK proxy providers VendorSuccess rate range*Response time range*Price / GBFree Trial Bright…
Best Amazon Proxies for 2026: Benchmarks & Pricing
We tested proxy performance by connecting different services to scraper APIs and making more than 150,000 requests on seven Amazon domains (.com, .ca, .co.uk, .de, .fr, .it, and .es). Our benchmark compared the success rate and median latency for residential, datacenter, ISP, and unblocker proxies to give a data-based comparison. The following providers were identified…
Top 6 LLM Scrapers: ChatGPT, Perplexity & Gemini
We benchmarked how the top LLM scraper providers, including Bright Data, Oxylabs, and Apify, perform at extracting outputs from LLM platforms such as ChatGPT, Gemini, Perplexity, and Google AI Mode. To ensure reliable results, we ran 1,000 tests per provider, repeating each prompt 10 times for consistency. The top-performing provider is detailed below. Multi-model support…
Benchmarked the Best Web Scraping APIs
We benchmarked the best web scraping APIs using 12,500 requests across 3,000+ real-world URLs in e-commerce, search engines (SERP), and social media. See the performance of tools: price per request, response time, success rate, and how much data each API actually returns. Web scraping API benchmark results The two charts below plot median response time…
Tested the Best SERP Scraper APIs in 2026
We benchmarked the leading SERP providers using 18,000 live requests across Google, Bing, and Yandex. See the top 6 providers outperforming in our speed and data richness tests: SERP scraper API benchmark results Compare providers’ median response time and the average number of fields that they returned in our benchmark: 1,200 queries were used in…
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