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 Use Placeholder Text to Test a Page Layout
Use placeholder text to test headings, cards, lists and mobile wrapping, then repeat the checks with real content before publishing.
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How to Generate and Check an Apache 301 Redirect
Generate an Apache 301 redirect, check exact path matching, and verify status codes, destinations and query parameters before launch.
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How to Convert a Transparent PNG to JPEG with a White Background
Convert a transparent PNG to JPEG with a white background, then check the downloaded file for margins, edges and readable text.
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How to Convert a Heading to Sentence Case Without Losing Names
Convert headings to sentence case, then restore brand names and acronyms with a practical review workflow and original examples.
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How to Check Minified CSS Before Replacing a Stylesheet
Check minified CSS with practical examples for calculations, selector spacing and browser testing before replacing a live stylesheet.
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How to Review Keyword Repetition Without Chasing a Density Target
Find repeated words and phrases, compare an original draft with a clearer rewrite, and review keyword counts without a density target.
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How to Check a Word Limit Before Submitting Your Draft
Check a 250-word draft, understand differences between counters, and shorten your response without losing the details that matter.
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How to Generate UUID v4 Values for Test Data
Generate UUID v4 test IDs, preserve parent references in JSON and SQL fixtures, and check formatting without confusing IDs with access tokens.
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How to Add Hreflang for Language and Regional Pages
Generate hreflang for translated and regional pages, then check shared tags, canonical URLs and optional fallback settings.
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Google September 2026 Spam Update: What to Check After Rollout
Review traffic changes after the Google September 2026 spam update, check policy risks, and plan a measured page audit.
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How to Use an Image Data URL in HTML
Convert a small image to a data URL, paste the complete HTML source, fix common copying errors, and choose when to use an image URL.
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How to Compare Two Text Drafts Before Publishing
Compare original and revised text drafts, spot missing instructions, and understand line changes before you publish your final version.