Best alternatives to Website Responsiveness Checker (2026)
10 Chrome extensions that do a similar job to Website Responsiveness Checker, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Website Responsiveness Checker today
Website Responsiveness Checker alternatives, compared
- 1
Website SEO Checker
Get free on-page SEO report by 100+ parameters with the best website SEO checker
≈200K users4.6★ from 220 ratingsUpdated 7 months ago3 permissions- About 40× more users than Website Responsiveness Checker
- Updated more recently
- Asks for more permissions (3 vs 1)
- 2
Pixefy - Responsive Design Checker
Preview and debug your website’s responsiveness across multiple devices in real-time, all inside one browser tab.
≈10K users4.5★ from 35 ratingsUpdated 6 days ago15 permissions- About 2.0× more users than Website Responsiveness Checker
- Updated more recently
- Asks for more permissions (15 vs 1)
- 3
Responsive Check!!
Split the page being viewed into two. In the case of a responsive site, it will become possible to check the smart phone and the PC…
≈3K users4.8★ from 4 ratingsNot updated for 4+ years1 permissions- About 1.7× fewer users than Website Responsiveness Checker
- Updated less recently
- 4
Analysis SEO & Website Checker - PR-CY
Check your website on technical, seo content and popularity aspects.
≈8K users4.9★ from 571 ratingsNot updated for 2+ years3 permissions- About 1.6× more users than Website Responsiveness Checker
- Updated more recently
- Asks for more permissions (3 vs 1)
- 5
Similarweb - Website Traffic, AI Traffic & SEO Checker
Instant website analysis, AI traffic insights, and SEO metrics at your fingertips.
≈1M users4.6★ from 3.8K ratingsUpdated 13 days ago6 permissions- About 200× more users than Website Responsiveness Checker
- Updated more recently
- Asks for more permissions (6 vs 1)
- 6
Responsive Viewer
Show multiple screens once, Responsive design tester
≈400K users4.2★ from 352 ratingsUpdated 2 months ago6 permissions- About 80× more users than Website Responsiveness Checker
- Updated more recently
- Asks for more permissions (6 vs 1)
- 7
Domain Age Checker - Site Age Checker, Check Age of Website Online
Check age of website online with our easy-to-use Domain Age Checker. See website history and registration date in just one click.
≈2K users2.8★ from 4 ratingsUpdated 22 months ago1 permissions- About 2.5× fewer users than Website Responsiveness Checker
- Updated more recently
- 8
Webflow Checker
Checks if this page was built in Webflow This Extension tells you really fast if a website was built in Webflow.
≈3K users5.0★ from 5 ratingsNot updated for 4+ years2 permissions- About 1.7× fewer users than Website Responsiveness Checker
- Updated less recently
- Asks for more permissions (2 vs 1)
- 9
Website Cloner
Convert websites or components to clean HTML with Tailwind CSS for development, migration, or AI integration
≈3K users1.0★ from 5 ratings3 permissions- About 1.7× fewer users than Website Responsiveness Checker
- Asks for more permissions (3 vs 1)
- 10
Web Reveal – Tech Stack Checker & Website Analyzer
Instantly check any website's tech stack, CMS, Javascript framework and hosting provider directly in Chrome.
≈1K users5.0★ from 1 ratingUpdated 4 months ago4 permissions- About 5.0× fewer users than Website Responsiveness Checker
- Updated more recently
- Asks for more permissions (4 vs 1)
Website Responsiveness Checker alternatives: questions
What is the best alternative to Website Responsiveness Checker?
By users, the most popular alternative is Similarweb - Website Traffic, AI Traffic & SEO Checker with ≈1M users and a 4.6-star rating. The closest match by what it does is Website SEO Checker.
Which Website Responsiveness Checker alternative has the best rating?
Analysis SEO & Website Checker - PR-CY has the highest rating of these alternatives with 50+ ratings: 4.9 out of 5 from 571 ratings.
How many alternatives to Website Responsiveness Checker are there?
We list 10 close alternatives to Website Responsiveness Checker on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.