Dev tools · alternatives · 2026

24 alternatives to Rank One: On-Page SEO extension

Quick on-page SEO audit

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Rank One: On-Page SEO extension launched in 2021; newer entries below may have overtaken it.

1
Simple SEO Tool▲111
Chrome Extension that simplifies SEO on-page analysis
2024 · seoextension.info · its alternatives →
2
Instant SEO Audit▲450
Check your website's SEO score instantly & boost traffic
2024 · instantseoaudit.com · its alternatives →
3
Webpage Sherlock▲151
Page insights in a single click
2023 · its alternatives →
4
SEO Station▲73
The SEO Onpage extension for Chrome that makes SEO easier
2021 · chromewebstore.google.com · its alternatives →
5
Extension Rank▲138
Discover extensions for Chrome, Firefox and Opera browsers
2020 · its alternatives →
6
Semalt Chrome Extension▲80
Free website Google Rank and SEO checker
2023 · chromewebstore.google.com · its alternatives →
7
SEO Tool Extension▲195
Your favorite SEO tools, placed for quick access.
2019 · chromewebstore.google.com · its alternatives →
8
That's Rank!▲411
Monitor Google rankings with beautiful simplicity
2025 · thatisrank.com · its alternatives →
9
Free SEO Checker by Spotibo▲165
An SEO checker that analyses based on Google's algorithm 👀
2018 · spotibo.com · its alternatives →
10
SEO Pro Extension▲24
Get all on-page SEO information in 1 click. For free
2022 · marketingsyrup.com · its alternatives →
11
OnCrawl SEO Chrome extension▲9
Quickly but deeply audit your onsite SEO performances.
2016 · oncrawl.com · its alternatives →
12
Free SEO Website Audit Tool▲10
Chrome SEO Audit Tool
2019 · chromewebstore.google.com · its alternatives →
13
SEO Checklist v1.2.9 Chrome Extension▲4
SEO Checklist v1.2.9 Chrome Extension | On-Page SEO Analyzer
Nov 2025 · chromewebstore.google.com · its alternatives →
14
FandangoSEO▲89
Chrome extension to perform detailed audits in record time
2020 · chromewebstore.google.com · its alternatives →
15
SEO Minion▲132
Chrome extension & Firefox add-on to help you with SEO
2019 · keywordseverywhere.com · its alternatives →
16
One Click SEO Checker Chrome Extension▲6
SEO Score In One Click- Moz, Google PSI, Mobile Friendly etc
2021 · chromewebstore.google.com · its alternatives →
17
ExtensionBooster▲10
Get real reviews for Chrome extensions, Edge add-ons, and Android apps. Boost store ranking with authentic reviews, SEO backlinks, and market analytics.
Mar 2026 · extensionbooster.net · its alternatives →
18
SEO Page Analyzer▲10
One-click X-ray vision for your website's SEO
2025 · chromewebstore.google.com · its alternatives →
19
Detailed SEO Audit Extension▲3
One-click Chrome SEO audits for websites
May 2026 · krishnamohan-yagneswaran.itch.io · its alternatives →
20
GrowMatic SEO Chrome Browser Extension▲12
On-Page SEO Optimizer & SERP Keywords Scraper
2025 · chromewebstore.google.com · its alternatives →
21
Boostsite▲61
Easy & intuitive on-site technical SEO audit tool
2022 · boostsite.com · its alternatives →
22
On Page SEO Checker for Google Chrome▲5
On page SEO mistakes will no longer cost fortune.
2020 · chromewebstore.google.com · its alternatives →
23
Website SEO Meta Inspector▲9
Chrome extension for seo analysis
2025 · seometainspector.com · its alternatives →
24
On-Page SEO Inspector▲3
Instant SEO Audit for Any Web Page
Jul 2026 · chromewebstore.google.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →