--- title: "One of my favourite accessibility testing tools: The Tab Key." url: https://daily.dev/posts/one-of-my-favourite-accessibility-testing-tools-the-tab-key--pyq1hv94e source_url: https://www.matuzo.at/blog/testing-with-tab type: article source: "Manuel Matuzović" published: 2026-06-22T14:42:29.596Z updated: 2026-06-22T14:44:21.758Z tags: ["html", "accessibility"] reading_time: 4 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # One of my favourite accessibility testing tools: The Tab Key. **[Manuel Matuzović](https://daily.dev/sources/matuzo)** · 4 min read · 0 upvotes · 0 comments ## Summary Keyboard-only navigation using the Tab key is one of the most effective accessibility testing methods. Pressing Tab reveals nine common issues: missing focus styles (fixable with CSS :focus/:focus-visible), non-interactive elements built with divs instead of semantic HTML, fake buttons that don't respond to Enter/Space, missing skip links, broken focus management in modals, infinite scrolling blocking footer access, off-screen items remaining in tab order, DOM order mismatches causing erratic focus jumps, and partially accessible custom JS components. Each issue includes a concrete code example and fix. A perfect Lighthouse score doesn't guarantee accessibility — manual Tab key testing is a fast, no-setup-required next step. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [A Beginner’s Guide to Manual Accessibility Testing with Keyboard Navigation](https://daily.dev/posts/a-beginner-s-guide-to-manual-accessibility-testing-with-keyboard-navigation-wgi3xgzdt) · SitePoint · 0 upvotes · 0 comments --- Tags: [#html](https://daily.dev/tags/html), [#accessibility](https://daily.dev/tags/accessibility) [View this post on daily.dev](https://daily.dev/posts/one-of-my-favourite-accessibility-testing-tools-the-tab-key--pyq1hv94e)