HTML codes for everyday web pages
The tags that shape headings, links, lists, tables, forms and metadata.
HTML, colors, ASCII and HTTP
Fast lookup tables and guides for people building, fixing and maintaining websites.
Clear guides for HTML tags, entities, colors, ASCII characters and HTTP responses.
The tags that shape headings, links, lists, tables, forms and metadata.
Named CSS colors, hex codes and RGB values for consistent page styling.
Numeric character references for symbols that need careful escaping.
Common browser, crawler and server responses from 200 OK to 404 Not Found.
Use the connected tools on tools.xaviermedia.com for metadata, security checks, links, QR codes, redirects and passwords.
Create title, description, Open Graph and Twitter Card tags for a page.
Review page copy and identify keyword frequency patterns.
Check SSL, headers, page metadata and common site signals.
Scan a page for broken internal and external links.
Generate QR codes for URLs, text and contact details.
Build Apache rules for redirects, rewrites and access control.
Convert file permissions between symbolic and numeric notation.
Create strong random passwords locally in the browser.
Generate memorable passphrases from random words.
Use semantic structure first: one <h1>, clear headings, descriptive links, useful image alt text and a concise meta description.
| Entity | Renders as | Description |
|---|---|---|
< | < | Less-than sign |
> | > | Greater-than sign |
& | & | Ampersand |
" | " | Quotation mark |
' | ' | Apostrophe |
| non-breaking space | Keeps adjacent words or values together |
© | © | Copyright sign |
® | ® | Registered trademark sign |
™ | ™ | Trademark sign |
€ | € | Euro sign |
£ | £ | Pound sign |
¥ | ¥ | Yen sign |