SiteGraph Blog
Guides, insights, and deep dives into website technology, SEO, security, performance, and the tools that power the internet.
Featured Articles
How Website Technology Detection Works: A Complete Guide
Learn how website technology detection works — from HTTP header analysis and HTML parsing to JavaScript fingerprinting and DNS inspection. Understand the methods used to identify the tech stack behind any website.
HTTP Security Headers Explained: A Practical Guide for Website Owners
A comprehensive guide to HTTP security headers including HSTS, CSP, X-Frame-Options, and more. Learn what each header does, why it matters, and how to implement them correctly.
The Ultimate Guide to SEO Meta Tags: Title, Description & Beyond
Master SEO meta tags with this comprehensive guide. Learn how to optimize title tags, meta descriptions, Open Graph tags, Twitter Cards, and structured data for better search rankings.
React vs Vue vs Angular: A Data-Driven Comparison
Compare React, Vue, and Angular using real adoption data and average scores from thousands of scanned websites. See which framework leads in SEO, performance, and security.
Robots.txt and XML Sitemaps: The Complete Guide to Crawl Control
Learn how robots.txt and XML sitemaps work together to control how search engines crawl and index your site, with syntax examples and common mistakes to avoid.
All Articles
Website Hosting Infrastructure: From Shared Hosting to Cloud CDN
Explore the different types of website hosting infrastructure — from shared hosting and VPS to cloud platforms and CDN networks. Understand how hosting choices affect performance, security, and scalability.
TLS/SSL Certificates: What They Are and Why They Matter
A beginner-friendly guide to TLS/SSL certificates. Learn how TLS works, the different types of certificates, how to check certificate validity, and why HTTPS is essential for every website.
Website Performance Metrics: What They Mean and How to Improve Them
Understand key website performance metrics including page size, response time, TTFB, and estimated load speed. Learn how to interpret our performance scores and improve your website's speed.
DNS Record Types Explained: A, AAAA, MX, CNAME, TXT and More
A complete guide to DNS record types. Learn what A, AAAA, MX, CNAME, TXT, NS, and CAA records do, how they work, and how to check DNS configurations for any domain.
Web Accessibility Best Practices: Making Your Site Inclusive
Learn about web accessibility best practices including proper heading structure, alt text for images, color contrast, keyboard navigation, ARIA attributes, and semantic HTML.
Website Cookies: Types, Purposes, and Privacy Implications
A comprehensive overview of website cookies — essential cookies, analytics cookies, tracking cookies, and third-party cookies. Learn what each type does and how they affect user privacy.
Structured Data & Schema Markup: How to Help Search Engines Understand Your Site
A practical guide to JSON-LD structured data — what schema.org types matter most, how rich results work, and how to validate your markup.
SPF, DKIM, and DMARC Explained: Securing Your Domain's Email
Understand how SPF, DKIM, and DMARC work together to stop email spoofing and phishing, with example DNS records and a rollout plan for DMARC enforcement.
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