us5.com

• charset: utf-8
• name: viewport content: width=device-width, initial-scale=1, viewport-fit=cover
• name: description content: Free online calculators and tools for math, finance, health, and daily use. Fast, accurate, and mobile-friendly.
• name: keywords content: calculator, tools, online calculator, free tools, math calculator, Us5.com
• name: robots content: index, follow
• name: googlebot content: index, follow, max-video-preview:-1, max-image-preview:large, max-snippet:-1
• property: og:title content: Us5.com - Free Online Calculator & Tools
• property: og:description content: Free online calculators and tools for math, finance, health, and daily use.
• property: og:url content: https://us5.com
• property: og:site_name content: Us5.com
• property: og:locale content: en_US
• property: og:type content: website
• name: twitter:card content: summary_large_image
• name: twitter:title content: Us5.com - Free Online Calculator & Tools
• name: twitter:description content: Free online calculators and tools for math, finance, health, and daily use.
• equiv: origin-trial content: AlK2UR5SkAlj8jjdEc9p3F3xuFYlF6LYjAML3EOqw1g26eCwWPjdmecULvBH5MVPoqKYrOfPhYVL71xAXI1IBQoAAAB8eyJvcmlnaW4iOiJodHRwczovL2RvdWJsZWNsaWNrLm5ldDo0NDMiLCJmZWF0dXJlIjoiV2ViVmlld1hSZXF1ZXN0ZWRXaXRoRGVwcmVjYXRpb24iLCJleHBpcnkiOjE3NTgwNjcxOTksImlzU3ViZG9tYWluIjp0cnVlfQ==
• equiv: origin-trial content: Amm8/NmvvQfhwCib6I7ZsmUxiSCfOxWxHayJwyU1r3gRIItzr7bNQid6O8ZYaE1GSQTa69WwhPC9flq/oYkRBwsAAACCeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXN5bmRpY2F0aW9uLmNvbTo0NDMiLCJmZWF0dXJlIjoiV2ViVmlld1hSZXF1ZXN0ZWRXaXRoRGVwcmVjYXRpb24iLCJleHBpcnkiOjE3NTgwNjcxOTksImlzU3ViZG9tYWluIjp0cnVlfQ==
• equiv: origin-trial content: A9nrunKdU5m96PSN1XsSGr3qOP0lvPFUB2AiAylCDlN5DTl17uDFkpQuHj1AFtgWLxpLaiBZuhrtb2WOu7ofHwEAAACKeyJvcmlnaW4iOiJodHRwczovL2RvdWJsZWNsaWNrLm5ldDo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9
• equiv: origin-trial content: A93bovR+QVXNx2/38qDbmeYYf1wdte9EO37K9eMq3r+541qo0byhYU899BhPB7Cv9QqD7wIbR1B6OAc9kEfYCA4AAACQeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXN5bmRpY2F0aW9uLmNvbTo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9
• equiv: origin-trial content: A1S5fojrAunSDrFbD8OfGmFHdRFZymSM/1ss3G+NEttCLfHkXvlcF6LGLH8Mo5PakLO1sCASXU1/gQf6XGuTBgwAAACQeyJvcmlnaW4iOiJodHRwczovL2dvb2dsZXRhZ3NlcnZpY2VzLmNvbTo0NDMiLCJmZWF0dXJlIjoiQUlQcm9tcHRBUElNdWx0aW1vZGFsSW5wdXQiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlLCJpc1RoaXJkUGFydHkiOnRydWV9

• Home
• All Tools
• Categories
• Guides
• Blog
• http://us5.com/basic-math-calculators/basic-calculator
• http://us5.com/basic-math-calculators/random-number-generator
• http://us5.com/basic-math-calculators/random-number-wheel
• http://us5.com/health-body-calculators/bmi-calculator
• http://us5.com/text-processing-tools/word-counter
• http://us5.com/health-body-calculators/bmr-calculator
• http://us5.com/health-body-calculators/body-fat-calculator
• http://us5.com/fitness-calculators/tdee-calculator
• http://us5.com/medical-calculators/pregnancy-calculator
• http://us5.com/medical-calculators/ovulation-calculator
• http://us5.com/digital-marketing-tools/qr-code-generator
• http://us5.com/business-finance-calculators/gas-trip-calculator
• http://us5.com/security-tools/password-generator
• http://us5.com/design-tools/color-picker
• http://us5.com/percentage-calculators/percentage-calculator
• http://us5.com/time-calculators/age-calculator
• About
• Privacy Policy
• Terms of Service
• Math Tools
• Financial Tools
• Health Tools
• Text Tools
• Design Tools
• Date Tools
• Политика конфиденциальности

            Domain Name: US5.COM
Registrar: Cloudflare, Inc.
Domain Status: client transfer prohibited
Creation Date: 1997-05-25T04:00:00Z
Registry Expiry Date: 2027-05-24T04:00:00Z
Updated Date: 2026-04-24T04:03:00Z
Name Server: ANNA.NS.CLOUDFLARE.COM
Name Server: IAN.NS.CLOUDFLARE.COM
REGISTRAR Contact: Cloudflare, Inc.
>>> Last update of RDAP database: 2026-05-22T19:43:02Z         

			# Robots.txt for Us5.com (https://us5.com)
# Free online calculators and tools for math, finance, health, and daily use
# Updated: 2025-07-23

# === Universal Rules for All Search Engines ===
User-agent: *
Allow: /

# Explicitly allow important directories
Allow: /tools/
Allow: /calculators-and-tools


# Disallow technical and private directories
Disallow: /admin/
Disallow: /api/internal/
Disallow: /private/
Disallow: /_next/
Disallow: /node_modules/
Disallow: /.git/
Disallow: /.well-known/
Disallow: /scripts/

# Disallow sensitive file types
Disallow: /*.json$
Disallow: /*.log$
Disallow: /*.env$
Disallow: /*.config.js$
Disallow: /*.map$

# === SEO Tools with Rate Limiting ===
# Allow SEO tools but with crawl delay to reduce server load
User-agent: SemrushBot
Allow: /
Crawl-delay: 10

User-agent: AhrefsBot
Allow: /
Crawl-delay: 10

# === Block Harmful/Aggressive Crawlers ===
User-agent: MJ12bot
Disallow: /

User-agent: BLEXBot
Disallow: /

User-agent: DotBot
Disallow: /

# === Sitemap Declaration ===
# Primary index sitemap
Sitemap: https://us5.com/sitemap-index.xml
# Main site sitemap (categories, tools, static pages)
Sitemap: https://us5.com/sitemap.xml
# Blog posts sitemap
Sitemap: https://us5.com/blog-sitemap.xml
# Guides sitemap
Sitemap: https://us5.com/guides-sitemap.xml

# === Additional Information ===
# Primary domain: https://us5.com
# www.us5.com redirects to us5.com (301 redirect for SEO)
# All subdomains redirect to main domain for consolidated SEO authority
# 
# This website provides free online calculators and tools
# We welcome legitimate search engine crawling
# Server optimized for high-performance crawling
# 
# For questions or concerns, contact: [email protected]
        

SEO técnico

SEO en la página

Contenido y UX