David Bushell's Curated Collection of Web-Based Development Tools

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Web developer David Bushell shares a curated catalogue of in-browser utilities and reference specifications used for building websites and side projects. None require downloads, spanning CSS, accessibility, performance, and email verification.

Key points

  1. The directory contains entirely browser-based tools that operate without local software downloads.
  2. CSS resources include generators for clip-paths, cubic bezier easings, OKLCH colour spaces, Utopia responsive typography, and selector specificity calculators.
  3. Accessibility entries cover assistive technology support tables, visual impairment contrast checkers, and WCAG 2.2 references.
  4. Web and performance utilities feature browser compatibility checkers, PageSpeed Insights, WebPageTest, and image compression tools such as Squoosh and SVGOMG.
  5. Email and infrastructure checks include DMARC testing, DNS propagation, MX lookups, and bufferbloat latency tests.

Why it matters

Readily accessible online tools streamline daily frontend and development tasks by offering quick utilities without adding weight to local development environments.

Analysis

Bushell arranges the tools into practical categories such as CSS, Accessibility, Design, Web, Specifications, and Email. He explicitly clarifies that this directory reflects his personal toolset rather than formal endorsements, advising use at the reader's own risk.

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Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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Locations

  • Mattersburg
    Johann Nepomuk Bergerstraße 7/2/14
    7210 Mattersburg, Austria
  • Vienna
    Ungargasse 64-66/3/404
    1030 Wien, Austria

Parts of this content were created with the assistance of AI.