--- title: "10 Best SEO Browser Extensions to Check Pages Fast | Aemorph" url: https://aemorph.com/saas-tools/seo/extensions/ description: "Ten SEO browser extensions for keyword data, backlinks, metadata, broken links, page speed and competitor traffic, checked in your browser." schema_type: Article publisher: Aemorph publisher_entity: https://aemorph.com/entitymap.json#org_aemorph language: en-SG updated: 2026-10-26 --- SaaS tools # 10 Best SEO Browser Extensions to Check Pages Fast **[SEO](https://aemorph.com/glossary/#seo-search-engine-optimisation) browser extensions show keyword data, backlinks, metadata and page speed on the page you are viewing, so you spot problems and opportunities in seconds instead of opening a separate tool.** The ten below cover keyword research, authority checks, on-page audits, broken links, speed and competitor traffic. Each entry says what the extension shows and when it helps. Written by [Kevin Dam](https://aemorph.com/about/), founder of Aemorph, who has practised SEO since 2010 and sits on the [Forbes Agency Council](https://councils.forbes.com/profile/Kevin-Dam-Global-Search-Architect-%7C-SEO-GEO-AEO-IMO-LLM-Visibility-Aemorph/4c8c7a38-1285-470d-8ea8-e517a310a00b). Aemorph is a [Google Partner](https://www.google.com/partners/agency?id=4441861842). [LinkedIn](https://www.linkedin.com/in/kevindam) ## What Each SEO Extension Shows You **Each extension answers one quick question about a page: its keywords, its authority, its tags, its links, its speed or its traffic.** | Extension | What it shows | Best for | Where it works | | --- | --- | --- | --- | | Keywords Everywhere | Search volume and cost per click in search results | Keyword research | Search results and marketplaces | | MozBar | Domain and page authority, link types | Quick authority checks | Any page | | SEOquake | On-page audit, keyword density, SERP data | One-click page reviews | Any page and search results | | Ahrefs SEO Toolbar | Backlinks, traffic estimates, keyword data | Competitor research | Any page and search results | | Meta SEO Inspector | Titles, descriptions, headers, Open Graph | Metadata checks | Any page | | Check My Links | Broken and redirected links | Link audits | Any page | | Lighthouse | Performance, accessibility and SEO scores | Page speed checks | Any page, in Chrome DevTools | | Similarweb | Traffic sources and engagement estimates | Competitor traffic | Any website | | SEO Minion | Metadata, SERP previews, broken links | All-round on-page checks | Any page | | Ghostery | Trackers and marketing tags on a site | Seeing a competitor's marketing stack | Any website | ## 1\. Keywords Everywhere: Keyword Data Inside Search Results **Keywords Everywhere shows search volume, cost per click and competition beside your searches on Google, YouTube, Amazon and other sites, so you judge a keyword without opening another tool.** [Keywords Everywhere](https://keywordseverywhere.com/) runs on paid credits for its keyword data. ![Keywords Everywhere website, showing the home page with install buttons for the Chrome and Firefox extension](https://aemorph.com/media/saas-tools/seo-extensions/keywords-everywhere.webp) *Screenshot: Keywords Everywhere website, October 2026.* - **Shows** keyword metrics on search results pages. - **Adds** related keywords and trend data. - **Works** across several search engines and marketplaces. ## 2\. MozBar: Domain and Page Authority at a Glance **MozBar shows Domain Authority and Page Authority for any page you visit, so you size up a site's strength before you pitch it or compete with it.** [MozBar](https://moz.com/products/pro/seo-toolbar) works with a free Moz account. ![MozBar website, showing the MozBar page with download buttons above a toolbar preview](https://aemorph.com/media/saas-tools/seo-extensions/mozbar.webp) *Screenshot: MozBar website, October 2026.* - **Shows** Domain Authority and Page Authority scores. - **Highlights** followed and nofollow links. - **Summarises** on-page elements such as titles and headings. ## 3\. SEOquake: SEO Metrics in One Click **SEOquake runs a quick on-page audit and shows search data for any page, so you review a page without switching tabs.** SEOquake is free and made by Semrush. ![SEOquake listing on the Chrome Web Store, showing with ratings and feature screenshots](https://aemorph.com/media/saas-tools/seo-extensions/seoquake.webp) *Screenshot: SEOquake listing on the Chrome Web Store, October 2026.* - **Audits** meta tags, headings and word count. - **Checks** keyword density on the page. - **Shows** backlink and search results data. ## 4\. Ahrefs SEO Toolbar: Backlink and Traffic Data on Any Page **The Ahrefs SEO Toolbar shows backlinks, traffic estimates and keyword data for the page you are on, so competitor research happens as you browse.** Ahrefs SEO Toolbar shows more data to Ahrefs subscribers. ![Ahrefs SEO Toolbar website, showing the SEO Toolbar page with an add to Chrome button](https://aemorph.com/media/saas-tools/seo-extensions/ahrefs-seo-toolbar.webp) *Screenshot: Ahrefs SEO Toolbar website, October 2026.* - **Shows** the backlink profile of a page and its domain. - **Estimates** organic traffic to the page. - **Displays** keyword rankings and difficulty scores. ## 5\. Meta SEO Inspector: Instant Metadata Checks **Meta SEO Inspector pulls the title, description, headers and social tags from any page, so you catch missing or duplicate tags that weaken how the page appears in search.** Meta SEO Inspector is a free Chrome extension. ![Meta SEO Inspector website, showing the Chrome Web Store listing with ratings and feature screenshots](https://aemorph.com/media/saas-tools/seo-extensions/meta-seo-inspector.webp) *Screenshot: Meta SEO Inspector website, October 2026.* - **Extracts** page metadata as you browse. - **Flags** missing or duplicate tags. - **Checks** Open Graph and X (Twitter) Card tags. ## 6\. Check My Links: Find Broken Links Fast **Check My Links scans a page and highlights every broken link, so you fix dead ends before they frustrate visitors.** Check My Links is a free Chrome extension. ![Check My Links website, showing the Chrome Web Store listing with ratings and a preview video](https://aemorph.com/media/saas-tools/seo-extensions/check-my-links.webp) *Screenshot: Check My Links website, October 2026.* - **Detects** broken links and redirects. - **Colour-codes** valid and broken links. - **Speeds up** page-by-page link audits. ## 7\. Lighthouse: Page Speed and Quality Scores in Chrome **Lighthouse scores a page for performance, accessibility and SEO and lists what slows it down, so you know which fixes speed it up.** Lighthouse is built into Chrome DevTools and uses the same engine as Google's PageSpeed Insights. ![Lighthouse website, showing the Chrome for Developers introduction page for Lighthouse](https://aemorph.com/media/saas-tools/seo-extensions/lighthouse.webp) *Screenshot: Lighthouse website, October 2026.* - **Measures** load performance on mobile and desktop settings. - **Identifies** what slows the page down. - **Suggests** fixes such as image compression and caching. ## 8\. Similarweb: Traffic and Competitor Estimates **Similarweb estimates a site's traffic, sources and engagement, so you compare competitors without access to their analytics.** Similarweb offers a free extension with deeper data in paid plans. ![Similarweb website, showing the home page headline on AI digital data with a website entry box](https://aemorph.com/media/saas-tools/seo-extensions/similarweb.webp) *Screenshot: Similarweb website, October 2026.* - **Breaks down** traffic by source: organic, paid, social, direct and referral. - **Shows** top referring sites. - **Compares** domains side by side. ## 9\. SEO Minion: An All-Round On-Page Assistant **SEO Minion checks metadata, previews search snippets and finds broken links, so routine on-page checks take seconds.** SEO Minion is a free extension. ![SEO Minion website, showing the Chrome Web Store listing with ratings and a features video](https://aemorph.com/media/saas-tools/seo-extensions/seo-minion.webp) *Screenshot: SEO Minion website, October 2026.* - **Highlights** missing or duplicate meta tags. - **Previews** how a page appears in search results. - **Detects** broken links on the page. ## 10\. Ghostery: See the Marketing Tags on Any Site **Ghostery blocks trackers and shows which analytics and advertising tags a site runs, so you see the marketing tools a competitor uses.** Ghostery is a free privacy extension. ![Ghostery website, showing the home page on private browsing with a get Ghostery button](https://aemorph.com/media/saas-tools/seo-extensions/ghostery.webp) *Screenshot: Ghostery website, October 2026.* - **Blocks** third-party trackers and cookies. - **Lists** the advertising and analytics tags on each page. - **Speeds up** page loads by removing tracking scripts. ## How SEO Extensions Support Your SEO Work **Extensions give you instant answers while you browse; full SEO platforms and crawlers handle the deeper analysis.** ### How do browser extensions help with keyword research? **Extensions show search volume, competition and related keywords beside your normal searches, so you judge a keyword without leaving the results page.** Keywords Everywhere and the Ahrefs SEO Toolbar both add this data. The [keyword research guide](https://aemorph.com/guides/keyword-research/) explains how to choose terms. ### Which extensions help with on-page SEO? **Meta SEO Inspector, SEO Minion and SEOquake check titles, descriptions, headings and links on the page you are viewing.** For a full site audit, use a crawler from the [technical SEO tools guide](https://aemorph.com/saas-tools/seo/technical/). ### Why does page speed matter for SEO? **Slow pages lose visitors before they read anything, and Google uses page experience, including Core Web Vitals, as part of its ranking systems.** Lighthouse and PageSpeed Insights show what slows a page and how to fix it. ### Are free SEO extensions enough? **Free extensions cover quick checks on single pages, while paid tools add site-wide audits, history and competitor data at scale.** Most teams use extensions for spot checks and a full platform for reporting. ## Use Extensions Alongside an SEO Plan **Extensions make checks faster, and an SEO plan decides which findings matter for your rankings.** Compare [on-page SEO tools](https://aemorph.com/saas-tools/seo/onpage/), run an [on-page SEO audit](https://aemorph.com/guides/on-page-seo-audit/), or let [Aemorph's SEO service](https://aemorph.com/services/seo/) handle the work for you. 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