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  1. Lighthouse - Wikipedia

    A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid for maritime pilots at sea or on …

  2. Lighthouse

    Lighthouse transforms complexity into confidence with actionable insights, business intelligence & pricing solutions that maximize revenue.

  3. Lighthouse | Chrome for Developers

    Lighthouse has audits for performance, accessibility, progressive web apps, SEO, and more. You can run Lighthouse against any web page, public or requiring authentication. You can run Lighthouse as …

  4. Lighthouse | Definition, History, Equipment, & Facts | Britannica

    Lighthouse, structure, usually with a tower, built onshore or on the seabed to serve as an aid to maritime coastal navigation, warning mariners of hazards, establishing their position, and guiding them to their …

  5. Lighthouse Friends

    Dec 9, 2025 · This site includes photographs, directions, histories, and GPS coordinates garnered while personally visiting every lighthouse in the United States and nearly every lighthouse in Canada.

  6. 14 Must-See Lighthouses Around the U.S. - National Trust for Historic ...

    Enjoy this handy guide featuring 14 of our favorite lighthouses in the U.S. Want even more great lighthouses? Check out this guide showcasing lighthouses from the Great Lakes to the Gulf Coast. …

  7. Lighthouse Facts | The Lighthouse Preservation Society

    Lighthouses are built from wood, stone, brick, reinforced concrete, iron, steel, or aluminum. They are designed to withstand local environmental conditions. For example, tall skeletal lighthouses located …

  8. US-Lighthouses.com - The best source for lighthouse info

    What is a lighthouse? A lighthouse is loosely defined as a tower or other structure used to display a light for the guidance of ships to either avoid a dangerous area (shoals, etc.) or to identify a safe harbor.

  9. How Lighthouses Work | Lighthouse NE

    Mar 7, 2025 · For centuries, lighthouses have been key navigational aids, guiding sailors safely through treacherous waters, rocky coastlines, and dense fog. These iconic structures serve a simple yet key …

  10. Lighthouse - Chrome Web Store

    Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps. When auditing a page, Lighthouse runs a barrage of tests against the page,...