Web & SEO Guides & Tutorials
Articles, guides and tutorials about web & seo - meta tags, Open Graph, robots.txt, sitemaps and SEO utilities. Featured reading: URL Slug Generator in your browser, no signup; How to use Twitter Card Generator online, free; How to use Accessibility Checker online, free; XML Sitemap Generator Online - From URLs.
URL Slug Generator in your browser, no signup
A slug is the human-readable part of a URL - the "how-to-convert-pdf-to-word" in a blog address.
How to use Twitter Card Generator online, free
Twitter Cards control how your link appears when shared on Twitter/X - similar to Open Graph but with Twitter's own specific tag format and card types
How to use Accessibility Checker online, free
Run quick accessibility checks against a page's HTML, flagging common issues that make a site harder to use for people with disabilities - like missing alt
XML Sitemap Generator Online - From URLs
A sitemap.xml file lists all the important URLs on your website in a format search engines can read, helping them discover and understand your site's
Reverse IP Lookup in your browser, no signup
Find the hostname published for an IP address. Free in your browser, no account needed.
How to use Favicon Checker online, free
Check which favicon(s) a website has declared - the small icon shown in browser tabs, bookmarks, and search results - and shows how they actually render
How to use Ping Tool online, free
Measure how quickly a server answers, and how consistently. Free in your browser, no account needed.
How to use HTML Heading Checker online, free
Proper heading structure (a single H1, followed by logically nested H2s, H3s, etc.) helps both search engines and screen reader users understand a page's
SMTP Tester: what it does and how to use it
Find out why mail is not going out. Free in your browser, no account needed.
SSL Certificate Checker: what it does and how to use it
Inspect a website's TLS/SSL certificate - checking its expiry date, issuer, Subject Alternative Names (SANs), and the full certificate chain.
How to use Robots.txt Generator online, free
robots.txt controls crawling, not indexing, and confusing the two is the most consequential mistake in technical SEO.
Redirect Checker: what it does and how to use it
When a URL redirects (like an old page forwarding to a new one), it can sometimes chain through multiple hops before reaching its final destination - each