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Alternatives · Technical SEO

sitespeed.io alternatives

As of Oct 23, 2026, the highest-graded sitespeed.io alternative is Lighthouse (3.2 GPA). It's also the best free one.

sitespeed.io compared with 6 alternatives: WebPageTest, Lighthouse, Unlighthouse, DebugBear, SpeedCurve and 1 more.

sitespeed.io is free to use. 4 of the 6 alternatives are free or have a free plan. 2 more offer a free trial.

Listings checked up to Oct 23, 2026 · Where the facts come from

At a glance

ToolPriceFree planRuns on
sitespeed.ioThis toolFreeFreemacOS, Windows, Linux
WebPageTestFree plan · from $180/yrYesWeb
LighthouseFreeFreeWeb, Browser extension
UnlighthouseFreeFreemacOS, Windows, Linux
DebugBearFree trial · from $99/moTrial onlyWeb
SpeedCurveFree trial · from $90/moTrial onlyWeb
Yellow Lab ToolsFreeFreeWeb, macOS, Linux

Price against what you get

sitespeed.io has no paid plan and scores 1.7 out of 4 on features, ease of use and platforms. None of the 6 alternatives on this chart both scores higher and starts lower.

WebPageTest, Lighthouse, DebugBear, SpeedCurve and Yellow Lab Tools score higher without starting lower.

Features, ease of use and platforms, averaged

D1.0C2.0B3.0A4.0Free$2$5$10$20$50$100$200$500$1k$2k$5kMore for lessCosts more, scores moreCosts less, scores lessCosts more, scores lesssitespeed.ioWebPageTestLighthouseUnlighthouseDebugBearSpeedCurveYellow Lab Tools

What paid plans start at, a month (each step along is roughly double) →

  • The best score at each price
  • Has a free plan
  • No free plan
The full chart of technical SEO tools, and the best at every price

How each one differs from sitespeed.io

  1. WebPageTest

    Page speed tests from real browsers in locations around the world

    • WebPageTest starts at $180 per year for 1,000 test runs a month ($18.75 billed monthly).
    • WebPageTest also lists a web app.
    • WebPageTest lists no macOS, Windows and Linux apps, which sitespeed.io has.
    • WebPageTest also covers dashboards.

    Suits: Developers digging into exactly how a page loads

    WebPageTest vs sitespeed.ioWebPageTest pricing and details

  2. Lighthouse

    Google's open-source audit of page speed, accessibility and SEO

    • Lighthouse is free.
    • Lighthouse also lists a web app and a browser extension.
    • Lighthouse lists no macOS, Windows and Linux apps, which sitespeed.io has.
    • Lighthouse also covers site audit.

    Suits: Web developers fixing speed and accessibility problems on a page

    Lighthouse vs sitespeed.ioLighthouse pricing and details

  3. Unlighthouse

    Free open-source tool that runs Lighthouse on every page of a site

    • Unlighthouse is free.
    • Unlighthouse also covers site audit.

    Suits: Developers who want Lighthouse scores for a whole site, not one page

    Unlighthouse vs sitespeed.ioUnlighthouse pricing and details

  4. DebugBear

    Page speed and Core Web Vitals monitoring with lab tests and RUM

    • DebugBear starts at $99 per month, billed yearly ($1,188 a year).
    • DebugBear has no free plan, only a free trial, unlike sitespeed.io.
    • DebugBear also lists a web app.
    • DebugBear lists no macOS, Windows and Linux apps, which sitespeed.io has.
    • DebugBear also covers dashboards.

    Suits: SEO and development teams working to pass Core Web Vitals

    DebugBear vs sitespeed.ioDebugBear pricing and details

  5. SpeedCurve

    Web performance monitoring with RUM, synthetic tests and budgets

    • SpeedCurve starts at $90 per month, billed annually, for 500K page views and 3K checks.
    • SpeedCurve has no free plan, only a free trial, unlike sitespeed.io.
    • SpeedCurve also lists a web app.
    • SpeedCurve lists no macOS, Windows and Linux apps, which sitespeed.io has.
    • SpeedCurve also covers dashboards.

    Suits: Teams that want field and lab speed data in one place

    SpeedCurve vs sitespeed.ioSpeedCurve pricing and details

  6. Yellow Lab Tools

    Free open-source audit of a page's speed and front-end code

    • Yellow Lab Tools is free.
    • Yellow Lab Tools also lists a web app.
    • Yellow Lab Tools lists no Windows app, which sitespeed.io has.

    Suits: Front-end developers tracing what makes a single page heavy or slow

    Yellow Lab Tools vs sitespeed.ioYellow Lab Tools pricing and details

Limits worth knowing in sitespeed.io

  • It is a command-line tool that you install and host yourself; there is no hosted service or account to sign up for.
  • Ongoing monitoring needs your own server and storage, which the project estimates at around $500 a year.
  • The project says it is maintained by one core member in their free time.
sitespeed.io pricing and details

Common questions

What are the alternatives to sitespeed.io?

The alternatives to sitespeed.io in this directory are WebPageTest, Lighthouse, Unlighthouse, DebugBear, SpeedCurve and Yellow Lab Tools. Each one has a side-by-side comparison with sitespeed.io.

Is there a free alternative to sitespeed.io?

Yes. Lighthouse, Unlighthouse and Yellow Lab Tools are free to use. WebPageTest has a free plan alongside paid ones.

When were these prices checked?

Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices without notice, so confirm on their site before you buy.