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Estensioni SEO per il browser (2026): i 3 migliori su 35, in ordine

Al 24 ott 2026, la nostra prima scelta è SEOquake (GPA 3.2), poi Sprout SEO e Keyword Surfer.

Classificati da ToolGPA il 24 ott 2026 · schede controllate fino al 23 ott 2026

Controlla titoli, intestazioni, link, dati strutturati schema e numeri di ricerca di qualsiasi pagina da un pulsante nel browser.

Guida gratuita ai componenti aggiuntivi SEO per il browser

I nostri tre migliori componenti aggiuntivi SEO per il browser

SEOquake comes first because it pairs page checks with Semrush traffic and backlink figures under every Google result, though those figures are estimates and its Firefox version dates from 2022. Sprout SEO is second for Firefox and Edge users who want page checks with no Semrush tie-in, and Keyword Surfer third for keyword volumes beside Google results. Detailed SEO Extension narrowly missed: it runs the same kind of page checks as Sprout SEO in two browsers, without the Core Web Vitals snapshot or the results sidebar.

  1. Primo: SEOquake

    Gratuito

    Per: Most people checking pages and Google results

    SEOquake is free from Semrush. Quick View shows a page's title, meta description, headings, canonical and indexability, then audits content, mobile and technical issues; the SERP Overlay puts position numbers and Semrush traffic and backlink figures under each Google result, with CSV export, and it lists the pages an AI Overview cites. Know the limits: the figures are Semrush estimates, not your own analytics, Authority Score, referring domains and Traffic Analytics need a Semrush account, though a free one is enough, and the Firefox version is 3.9.9 from December 2022, against 4.3.0 on Chrome.

    Prezzi e dettagli di SEOquake
  2. Secondo: Sprout SEO

    Gratuito

    Per: People on Firefox or Edge who want on-page checks

    Sprout SEO is free in Chrome, Firefox and Edge, with no paid version. One panel covers indexability, canonicals, headings, links with their status, images missing alt text, JSON-LD, hreflang and a Core Web Vitals snapshot, and on Google results it adds Trends data, a People Also Ask export and a location simulator. It is second because it has no traffic, ranking or backlink figures of its own and links out to Ahrefs and Semrush for those. It checks one page at a time, and the Wayback exporter stops at about 100,000 URLs per domain.

    Prezzi e dettagli di Sprout SEO
  3. Terzo: Keyword Surfer

    Gratuito

    Per: Writers who want keyword volumes while they search

    Keyword Surfer is free from Surfer and puts a query's search volume and cost per click beside Google's results, with keyword ideas, traffic and word-count estimates for the ranking pages, CSV collections and data for 70 countries. It is third because it does one part of the job: there are no page checks for titles, headings or schema, and no keyword database to search away from Google. It runs only in Chrome and other Chromium browsers, and the store listing says it handles location, user activity and website content data.

    Prezzi e dettagli di Keyword Surfer

Classificati il 24 ott 2026 da quello che mostra ogni scheda e da quello che la gente dice dello strumento, non da prove nostre. Come classifichiamo

Il prezzo contro quello che ottieni

Quali componenti aggiuntivi SEO per il browser danno di più per quello che costano?

Going by our grades, SEOquake and SEO Review Tools for Chrome give the most for the money among SEO browser extensions: no tool on this chart scores higher without costing more.

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Prezzo
Funziona su
Requisiti

35 strumenti

Strumenti

  • AutoTDK

    Estensioni SEO

    2.0GPA

    Keyword, traffic and AI visibility research from a Chrome extension

    Piano gratuito · da $9.99/meseWeb
  • Check My Links

    Estensioni SEO

    2.8GPA

    Broken link checker for web pages, Google Docs and Sheets

    Piano gratuito · da $29 una volta sola
  • Checkbot

    Estensioni SEO

    2.4GPA

    Chrome extension that crawls a site for SEO, speed and security issues

    Piano gratuito · da $10/mese
  • 3.0GPA

    Free Chrome and Firefox extension for one-click on-page SEO checks

    Gratuito
  • GSC Guardian

    Estensioni SEO

    2.8GPA

    Chrome extension adding algorithm updates and notes to Search Console

    Gratuito
  • GSC Helper

    Estensioni SEO

    3.0GPA

    Free Chrome extension that adds charts and filters to Search Console

    Gratuito
  • HeadingsMap

    Estensioni SEO

    3.0GPA

    Free extension that maps a page's headings and flags broken levels

    Gratuito
  • Inspect Canonical

    Estensioni SEO

    2.8GPA

    Free Chrome extension that checks a page's canonical tag at a glance

    Gratuito
  • Keyword Surfer

    Estensioni SEO

    3.0GPA

    Free Chrome extension showing search volumes beside Google results

    Gratuito
  • Link Redirect Trace

    Estensioni SEO

    3.0GPA

    Free redirect checker that also reads canonicals, robots and headers

    Gratuito
  • MeasureSEO

    Estensioni SEO

    2.8GPA

    Free keyword density checker for Chrome, with a matching web tool

    GratuitoWeb
  • META SEO inspector

    Estensioni SEO

    3.0GPA

    Free Chrome extension that lays out a page's hidden metadata

    Gratuito
  • MST SERP Counter

    Estensioni SEO

    2.8GPA

    Free Chrome extension that numbers Google search results

    Gratuito
  • NoFollow

    Estensioni SEO

    2.8GPA

    Free extension that outlines nofollow, UGC and sponsored links

    Gratuito
  • OGraph Previewer

    Estensioni SEO

    2.8GPA

    Tiny free Chrome extension that previews a page's Open Graph tags

    Gratuito
  • PAA Scrapper

    Estensioni SEO

    2.8GPA

    Free Chrome extension that bulk-collects People Also Ask questions

    Gratuito
  • Plerdy SEO Analyzer

    Estensioni SEO

    3.0GPA

    Free Chrome extension for one-click on-page SEO audits

    Gratuito
  • Redirect Path

    Estensioni SEO

    2.8GPA

    Free Chrome extension that shows every redirect and status code

    Gratuito
  • SEO META in 1 CLICK

    Estensioni SEO

    3.0GPA

    Free Chrome extension that lists a page's meta tags and headings

    Gratuito
  • SEO Minion

    Estensioni SEO

    2.0GPA

    On-page, link and SERP checks sold with Keywords Everywhere plans

    Da $14/mese
  • SEO Pro Extension

    Estensioni SEO

    3.0GPA

    Free Chrome and Firefox extension for on-page SEO checks

    Gratuito
  • SEO Spider Tools

    Estensioni SEO

    3.0GPA

    SpiderNow's free extension for technical and on-page SEO checks

    Gratuito
  • SEOquake

    Estensioni SEO

    3.2GPA

    Free Semrush extension for page audits and metrics in Google results

    Gratuito
  • 3.0GPA

    Free extension that copies keyword ideas off Google and Bing results

    Gratuito
  • SerpWorx

    Estensioni SEO

    1.6GPA

    Paid Chrome extension showing link and SEO metrics in Google results

    Prova gratuita · da $29.95/mese
  • Sprout SEO

    Estensioni SEO

    3.0GPA

    Free on-page SEO extension for Chrome, Firefox and Edge

    Gratuito
  • View Rendered Source

    Estensioni SEO

    2.8GPA

    Free Chrome extension comparing raw HTML with the rendered page

    Gratuito
  • Web Developer

    Estensioni SEO

    3.0GPA

    Free browser toolbar of page inspection and validation tools

    Gratuito
  • Website SEO Checker

    Estensioni SEO

    3.0GPA

    Sitechecker's free Chrome extension for on-page SEO checks

    Gratuito

Domande frequenti

Quali sono i migliori componenti aggiuntivi SEO per il browser?

Al 24 ott 2026, ToolGPA li classifica così: SEOquake al primo posto (per: most people checking pages and Google results), Sprout SEO al secondo posto (per: people on Firefox or Edge who want on-page checks), Keyword Surfer al terzo posto (per: writers who want keyword volumes while they search).

Come fa ToolGPA a classificare i componenti aggiuntivi SEO per il browser?

Da quello che mostrano le pagine di ogni strumento (prezzo, piano gratuito, piattaforme, funzionalità e limiti) e da quello che la gente ne dice in recensioni e discussioni pubbliche. Non da prove nostre. Il primo posto va allo strumento che va bene al maggior numero di persone, e il secondo e il terzo alle scelte migliori per i lettori che restano fuori.