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SEO · head to head

Lighthouse vs Mangools

Lighthouse logo

Lighthouse

SEO

Audit web page performance and quality

From
Free
Rated
-
Full reviewWebsite
Mangools logo

Mangools

SEO

A bundle of five simplified SEO tools including KWFinder and SERPWatcher

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Lighthouse has a free tier, so it costs nothing to try first.
  • Each has a real cost: Lighthouse performance scores vary significantly due to A/B testing, device differences, browser extensions, and antivirus software affecting results; Mangools the backlink index behind LinkMiner is far smaller than Ahrefs or Semrush, so link prospecting and competitor backlink audits are shallower than a serious link building programme needs.
  • They diverge on capability: Lighthouse covers Performance scoring, Mangools covers KWFinder.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Lighthouse and Mangools actually diverge.

Attributes where Lighthouse and Mangools differ
AttributeLighthouseMangools
Starting priceFreeOn request
Pricing modelfreePer month by usage volume
Free tierYesNo
PlatformsChrome, EdgeWeb
Founded1998Unknown

Identical on both: user rating (Not yet rated), category (SEO).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Lighthouse

  • Performance scoring
  • Accessibility audit
  • SEO check
  • PWA validation
  • Chrome support
  • Edge support

Only in Mangools

  • KWFinder
  • SERPWatcher
  • SERPChecker
  • LinkMiner
  • SiteProfiler
  • Looker Studio connector

What people use each for

The jobs each tool is most often brought in to do.

Lighthouse

  • Performance auditing to identify page loading speed improvementsnot Mangools
  • Accessibility compliance checking for users with disabilitiesnot Mangools
  • SEO optimization verification for search engine compatibilitynot Mangools
  • Security and best practices scanning for code healthnot Mangools
  • Progressive web app validation and CI/CD pipeline integrationnot Mangools

Mangools

  • A solo blogger or freelancer doing keyword research who finds Ahrefs' pricing and interface disproportionate to their needsnot Lighthouse
  • A small agency wanting one login covering keyword research, rank tracking and basic backlink checks for a handful of client sitesnot Lighthouse
  • A content marketer who wants SERP-level competitive analysis without a full technical SEO platformnot Lighthouse
  • A team standardising on a low-cost tool before graduating to Semrush or Ahrefs once budgets grownot Lighthouse

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Lighthouse

  • Performance scores vary significantly due to A/B testing, device differences, browser extensions, and antivirus software affecting results
  • Limited to metrics that contribute to scores; Opportunities and Diagnostics don't directly impact scoring
  • Diminishing returns above 0.96 score, making perfect 100 scores extremely challenging
  • Scores based on HTTP Archive data which may not reflect all performance scenarios

Mangools

  • The backlink index behind LinkMiner is far smaller than Ahrefs or Semrush, so link prospecting and competitor backlink audits are shallower than a serious link building programme needs.
  • There is no technical site crawler for large-scale audits, so any site beyond a few hundred pages needs a separate tool such as Screaming Frog alongside Mangools.
  • Feature access does not tier by capability, only by usage volume, so a team that wants more tracked keywords must upgrade the whole plan even if it does not need more keyword lookups.
  • It has no PPC or paid search competitive intelligence at all, which Semrush and SpyFu both offer, so it cannot inform paid media strategy.
  • Reviews consistently note keyword volume and difficulty estimates as less precise at scale than Ahrefs' or Semrush's larger crawl and index infrastructure.

Pricing, plan by plan

Lighthouse

Free
  • FreeFree
    • Performance audit
    • Accessibility check
    • SEO analysis

Mangools

On request
  • Basic$49/month
    • All five Mangools tools included
    • Lower keyword lookup and tracked keyword allowances
    • Cheaper on annual billing
  • Premium$69/month
    • Higher keyword lookup and tracked keyword allowances
    • All five Mangools tools included
    • Cheaper on annual billing
  • Agency$129/month
    • Highest keyword lookup and tracked keyword allowances
    • All five Mangools tools included
    • Cheaper on annual billing

Which should you pick?

Choose Lighthouse if

  • You need performance scoring.
  • You want to start without paying.
  • You work on Chrome, Edge.
  • You also want accessibility audit.
Lighthouse review

Choose Mangools if

  • You need kwfinder.
  • You also want serpwatcher.
Mangools review

Questions people ask

Is Lighthouse or Mangools better?
Neither clearly leads. Lighthouse starts at Free and Mangools at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lighthouse or Mangools?
Lighthouse has a free tier; the other does not. Paid plans start at Free for Lighthouse and On request for Mangools.
Does Lighthouse or Mangools run on more platforms?
Lighthouse runs on Chrome, Edge. Mangools runs on Web.
Can I use Lighthouse for free?
Yes. Lighthouse has a free tier, so you can try it without paying. Mangools starts at On request.
What is Lighthouse best used for?
Lighthouse is most often used for performance auditing to identify page loading speed improvements, accessibility compliance checking for users with disabilities, seo optimization verification for search engine compatibility, security and best practices scanning for code health. Of those, performance auditing to identify page loading speed improvements and accessibility compliance checking for users with disabilities are not what Mangools is typically brought in for.
What can Lighthouse do that Mangools cannot?
Lighthouse covers Performance scoring, Accessibility audit, SEO check, PWA validation. Mangools covers KWFinder, SERPWatcher, SERPChecker, LinkMiner.

Answered from the vendors’ own pages

Lighthouse: Is Lighthouse free?

Yes. Lighthouse is completely free and open-source. It is developed by Google and integrated into Chrome DevTools, PageSpeed Insights, and available as a command-line tool. There are no licensing fees or premium tiers.

Source
Mangools: Are all five tools included in every plan?

Yes. KWFinder, SERPWatcher, SERPChecker, LinkMiner and SiteProfiler are bundled in every paid tier; plans differ only by usage limits.

Lighthouse: Can I run Lighthouse offline?

Yes. Lighthouse can run offline in multiple ways: through Chrome DevTools (built into Chrome), as a command-line tool (Node.js), or as a Node.js module integrated into your build process. You do not need an internet connection after installing the tool.

Source
Mangools: Is there a free version?

A limited free trial and a 48-hour money-back guarantee are offered; there is no permanent free tier.

Lighthouse: What pages can Lighthouse audit?

Lighthouse can audit any web page, including pages that require authentication. This is an advantage over some alternative tools that cannot test behind login screens. You can run audits on public pages or authenticated pages via command-line with custom headers.

Source
Mangools: How does it compare to Ahrefs on backlinks?

Its backlink index is materially smaller; Mangools is built for keyword research and rank tracking workflows, not as a backlink-first tool.

Lighthouse: Can Lighthouse prevent performance regression during development?

Yes. Lighthouse CI is available to prevent performance degradation during development cycles. You can integrate Lighthouse CI into your continuous integration pipeline to automatically audit pages on every commit and fail builds if performance metrics fall below thresholds you define.

Source
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