Lighthouse
Built into Chrome, covering performance, accessibility, SEO and best practices in one run.
Definition
An auditing tool that produces lab measurements for performance alongside automated accessibility and SEO checks. Its performance data is lab data, which differs from field data.
Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.
Good for
- Performance budgets
- Quick combined audits
- CI checks
Watch out for
Lab performance scores are not what users experience. Use field data from real users for decisions, and treat the accessibility score as partial coverage.
Continue from here
Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.
Often used with
These usually appear in the same screen or the same decision.
- Performance as User ExperienceUI foundation
- SEO for Content ProductsUX writing
- Accessibility AuditWorkflow
Nearby in the Atlas
Adjacent territory, found through shared tags rather than a stated link.