cristiancurteanu.com

• charset: utf-8
• name: viewport content: width=device-width, initial-scale=1
• name: description content: I build distributed systems that don't just work—they scale, perform, and deliver measurable business impact.
• name: referrer content: no-referrer-when-downgrade
• property: og:site_name content: Cristian Curteanu
• property: og:type content: website
• property: og:title content: Cristian Curteanu
• property: og:description content: I build distributed systems that don't just work—they scale, perform, and deliver measurable business impact.
• property: og:url content: https://cristiancurteanu.com/
• property: og:image content: https://static.ghost.org/v5.0.0/images/publication-cover.jpg
• property: article:publisher content: https://www.facebook.com/ghost
• name: twitter:card content: summary_large_image
• name: twitter:title content: Cristian Curteanu
• name: twitter:description content: I build distributed systems that don't just work—they scale, perform, and deliver measurable business impact.
• name: twitter:url content: https://cristiancurteanu.com/
• name: twitter:image content: https://static.ghost.org/v5.0.0/images/publication-cover.jpg
• name: twitter:site content: @CristiCurteanu
• property: og:image:width content: 1200
• property: og:image:height content: 840
• name: generator content: Ghost 6.3
• name: google-site-verification content: i6POLRbcLKpjkm-83_ADh4HqPClPGB9z-muSnt58uVA

• Cristian Curteanu
• Golang
• Performance
• About
• Sign in
• Subscribe
• http://cristiancurteanu.com/understanding-go-sync-once/
• http://cristiancurteanu.com/building-rest-apis-with-golang-a-hands-on-guide-part-i/
• http://cristiancurteanu.com/mutexes-and-rwmutex-in-golang/
• http://cristiancurteanu.com/coming-soon/
• http://cristiancurteanu.com/why-your-string-concatenation-is-killing-performance-the-hidden-o-n2-trap-in-go/
• http://cristiancurteanu.com/the-hidden-cost-of-append-why-pre-allocating-slices-and-maps-matters-in-go/
• http://cristiancurteanu.com/why-your-go-code-is-slower-than-it-should-be-a-deep-dive-into-heap-allocations/
• http://cristiancurteanu.com/5-api-design-patterns-in-go-that-solve-your-biggest-problems-2025/
• http://cristiancurteanu.com/7-powerful-golang-concurrency-patterns-that-will-transform-your-code-in-2025/

• Powered by Ghost

            Domain Name: CRISTIANCURTEANU.COM
Registrar: NameCheap, Inc.
Domain Status: client transfer prohibited
Creation Date: 2023-09-15T09:35:43Z
Registry Expiry Date: 2027-09-15T09:35:43Z
Updated Date: 2025-06-04T19:53:16Z
Name Server: DNS1.NAMECHEAPHOSTING.COM
Name Server: DNS2.NAMECHEAPHOSTING.COM
REGISTRAR Contact: NameCheap, Inc.
>>> Last update of RDAP database: 2026-05-19T05:38:14Z         

			User-agent: *
Sitemap: https://cristiancurteanu.com/sitemap.xml
Disallow: /ghost/
Disallow: /email/
Disallow: /members/api/comments/counts/
Disallow: /r/
Disallow: /webmentions/receive/
        

Technikai SEO

On-Page SEO

Tartalom és UX