Practical tutorials for SEO, website images, writing and developer tools. Each guide includes examples and links to tools you can use while following the steps.
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How to Add x-default Hreflang to a Language Selector
Build an x-default hreflang block for a homepage language selector, connect its English and French editions, and check all three pages.
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How to Rearrange Date Text with Regex Capture Groups
Rearrange year-month-day text with regex capture groups, check replacement counts, and avoid changing identifiers or trusting invalid dates.
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How to Write Alt Text for Website Images
Choose useful alt text for informative, decorative and linked website images, then check the published HTML in its page context.
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How to Convert an HSL Color to RGB and HEX
Convert a fixed HSL color to RGB and HEX, verify a worked example and avoid changing the color during a design handoff.
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How to Preserve a Large Integer ID When Formatting JSON
Find why a JSON formatter changes a large integer ID, preserve its digits when a string is permitted, and check the receiving schema.
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Why Your Favicon Is Missing from Google Search
Check your favicon file, home page link and crawl access, prepare a square PNG, and distinguish a technical fault from processing time.
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How to Prepare a 2x Image for a 300-Pixel Layout
Prepare a 600 by 400 image for a 300 by 200 CSS layout, offer 1x and 2x files, and check the result in the actual page.
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How to Convert Base64url to Standard Base64 for Text
Convert a Base64url text sample to standard Base64, check padding and line breaks, and recognize when a byte-oriented converter is needed.
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How to Escape Ampersands in XML Sitemap URLs
Fix ampersands in XML sitemap URLs, avoid double escaping and check that the parsed address keeps the intended query parameters.
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How to Decode HTML Entities into Plain Text
Decode HTML entities in exported text, check references left unchanged, and handle the result correctly before pasting it into a new destination.
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How to Reverse Line Order Without Reversing the Text
Reverse a plain-text list by whole lines, keep repeated entries, and check blank lines before copying the reordered text.
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How to Set a Canonical URL for a Page with Tracking Parameters
Choose a canonical URL for tracking links, draft the HTML tag and check the live page without duplicating existing CMS metadata.