HTML Lang Attribute Checker for Website Accessibility

HTTP Status Code Checker

automation-lab/http-status-checker

Check HTTP status codes and redirects in bulk for any list of URLs. Detect 404 errors, 301/302 redirects, redirect chains, and broken links for SEO audits and site maintenance.

Broken Link Checker — 404s, Redirects & SEO Audit

khadinakbar/broken-link-checker

Check links from a website crawl, URL list, or sitemap. Receive HTTP status, redirect chains, response timing, source pages, anchor text, and diagnostic classes for SEO quality assurance and site migrations.

Check if a website has a valid favicon and icon setup for SEO and UX. Detects <link rel=icon> tags, default /favicon.ico, Apple touch icons, mask-icon, and web manifest icons. Validates URLs, HTTP status codes, content types, and reports missing/broken icons.

Bulk URL Status & Redirect Checker — $0.10/1K

scrapesignal_labs/bulk-url-status-checker

Check thousands of URLs for HTTP status, availability, response time, redirects, final destination, content type, content length, server, cache, robots, and retry headers.

URL Status Checker: Bulk HTTP Status Code & Redirect Checker

jtpalms/url-status-checker

Bulk URL status and HTTP status code checker. For each URL: final status, every redirect hop, response time, content type and size, page title, canonical, meta robots, X-Robots-Tag, HSTS, server, and DNS, TLS and timeout errors. For SEO migrations and redirect audits. USD 1.50 per 1,000 URLs.

Mobile Viewport Tag Checker for Website SEO

practical_ai_lab_jp/pal-mobile-viewport-checker

Check responsive viewport meta declaration and common mistakes. Static HTML and JSON-LD only; public HTTPS URLs.

Pagination Link Checker: rel=next and rel=prev

practical_ai_lab_jp/pal-pagination-link-checker

Inspect rel=next and rel=prev navigation tags. Static HTML and JSON-LD only; public HTTPS URLs.

PAL | Image Alt Text Checker for Accessibility

practical_ai_lab_jp/pal-image-alt-text-checker

Image alt text checker for up to 18 public HTML URLs. Audit missing or empty image alt attributes and export review findings in CSV/JSON for accessibility and SEO QA. Empty alt text can be appropriate for decorative images.

Website Sitemap Link Finder & Robots Reference Audit

practical_ai_lab_jp/pal-sitemap-link-discovery

Discover sitemap references embedded in public HTML or robots directives. Static HTML and JSON-LD only; public HTTPS URLs.

PAL | H1 Heading Checker & SEO Structure Audit

practical_ai_lab_jp/pal-h1-heading-checker

H1 heading checker for technical SEO audits: inspect up to 18 public HTTPS pages for missing or multiple H1 tags and skipped heading levels. Export page-level issues and heading details as CSV or JSON. Static HTML only; no JavaScript rendering.