Online Tools

Scan one public page for broken or redirected links, inspect source anchors and checked destinations, choose internal or mixed scope, and copy a CSV repair list.

Explain HTTP status codes, review behavior and SEO implications, browse a practical reference table, or inspect a live URL response path from one tool.

Convert colors between HEX, RGB, HSL, HSV and CMYK, check WCAG contrast, build palettes, save colors locally and copy CSS design tokens.

Audit Twitter or X card fields, compare Open Graph and SEO fallbacks, preview summary and large layouts, check selected image readiness and keep a share report.

Extract page links and anchors, review internal destinations, nofollow and vague anchors, sample statuses and redirect hops, and copy a CSV repair list.

Check robots meta tags and X-Robots-Tag headers, compare crawler-specific directives, review noindex and snippet controls, and audit header-only files.

Extract JSON-LD from a URL or pasted markup, inspect typed graph nodes, review common schema property coverage, format blocks and keep a structured data audit report.

Measure fetched HTML bytes, inventory referenced scripts, stylesheets, images and embeds, review third-party origins, markup signals and page size actions.

Measure repeated backend HTTP response samples, compare average and median latency, inspect slow outliers, read warmup behavior, status consistency and redirect context.

Compare a local or interface IP with a public-facing IP, classify IPv4 and IPv6 ranges, understand NAT and spot carrier-grade NAT clues for firewall and port-forwarding work.