Articles
Practical guides, comparisons and original experiments to help you understand, choose and use technology.
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Does a Black Box Really Redact a PDF? We Tested It
Black boxes can leave PDF content recoverable. Our tests show why applied redaction still needs hidden information cleanup and final file checks.
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This Password Passed Every Rule. A Strength Estimator Still Rated It Low
Password123! passed our composition rules but received a low pattern-based score. Our fictional examples show why password-checker outputs need their methods and context explained.
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How Much of a QR Code Can You Cover? We Tested 240 Images
Cover placement changed QR readability in our 240-image test. The same-size cover failed at a corner but often decoded at the center.
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Why Can’t You Copy Text From a PDF? We Tested Text Layers and OCR
Our PDF tests separated absent text layers, OCR errors and reading-order problems. Recovering every marked label did not always reproduce the intended sequence.
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FLAC vs WAV: The Samples Matched, but the Files Didn’t
Our WAV-to-FLAC conversions preserved every integer sample. File sizes varied, and converting MP3 to FLAC did not restore the non-silent source audio.
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When Should You Lazy-Load Images—and Which Images Should You Never Lazy-Load?
Lazy-load images readers can reach later, and load the initial viewport promptly. Check the actual LCP element, resource discovery and your CMS output.
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Do URL Shorteners Remove Tracking Parameters? An Original Test
Accepted links from five URL shorteners preserved existing parameters in our tests. Adding parameters afterward produced different results, so inspect the destination.
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What Actually Comes With Pasted Text? We Inspected Six Common Sources
The same visible text can arrive with very different hidden data. We inspected paste payloads from a webpage, Google Docs, Gmail, ONLYOFFICE and Notepad.
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Steam Cloud Out of Sync? What to Do Before It Overwrites the Right Save
Protect the save you want before resolving a Steam Cloud conflict. Compare your playing history, preserve available copies and follow game-specific recovery guidance.
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PHP Security Alert: Updating WordPress Isn’t Enough
WordPress updates alone don’t fix these PHP vulnerabilities. Check your server’s PHP version and ask your host to confirm that both fixes are active.
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WOFF vs WOFF2: We Compared Six Fonts. Here’s How Much Smaller WOFF2 Was
WOFF2 was 18.5–28.4% smaller across twelve matched font comparisons. Our six-font experiment shows how character coverage changes savings and when WOFF fallback matters.
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Favicon Size: What to Use, With Original Small-Size Tests
Choose favicon sizes for browsers, Google Search and home screens, with original small-size tests showing why fine details need attention before you export.