Comparison

Rabbit Web Performance vs CheckSite

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Rabbit Web Performance

Analyze web pages using PageSpeed Insights to understand and improve website optimization and user experience. Generate and share PDF reports with subscription features like a web browser and sitemap editor.

Highlights
  • PageSpeed Insights analysis
  • Website optimization insights
  • User experience improvement
  • Save and share PDF reports
  • Integrated web browser
  • Sitemap editor
  • URL status code verification
Features
Read full description

Rabbit is a simple and intuitive tool to analyze web pages with the PageSpeed ​​Insights service, which allows us to know the level of optimization of a web page to improve search engine optimization and optimize the user experience. In addition, this analysis allows us to obtain the evaluation of all the data that influence the overall result of PageSpeed ​​Insights and what should be done to improve the evaluation of the website. You will have the possibility to save and share the reports generated in PDF with subscription. WITH SUBSCRIPTION Save and share with your contacts all reports created. Search websites and analyze performance. Now you can do it with a new web browser. You can add the website map to make changes and verify the status code of all URLs added. Auto-renewable subscription information: Account will be charged for renewal within 24-hours prior to the end of the current period and renewal of a Rabbit app subscription cost either is available for $9.99 / month or $89.99 / year. You can register and pay Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchased at least 24 hours before the end of the current period. Terms and conditions: https://rabbitwebperformance.com/terms-conditions.html Privacy Policy: https://rabbitwebperformance.com/privacy-policy.html User interface: - Easy and intuitive to use. - Clear typography. ---- With subscription ---- - Save and share reports, free. - Web navigator. - Sitemap editor. - Status code verification for all Sitemap URLs. To perform analysis within the application, it also allows us to perform analyzes from the Safari browser, therefore, we perform web analysis while browsing. To enable this option, go to the option Share> Analyze the web.

About

CheckSite

Features
Read full description

CheckSite: find potential problems in HTML and CSS When making websites, you need to keep an eye on two types of standards: the official web standards, which are checked by the W3C Validator, and the unofficial standard of making sure that your website actually works as intended on all commonly used browsers. The advantage of using CheckSite is that it checks both, and that it does it automatically for all pages within your website. When done, CheckSite will produce an overview of all potential issues found in all pages, including an easy-to-read summary. Main features • CheckSite is fast and user friendly • Checks against both web standards, known issues, and best practices • Finds links to other pages in your website and checks them as well • Gives an easy-to-read summary of the results The checks • Browser compatibility (e.g. does the page use constructs that are known to cause problems in certain browsers?) • SEO (e.g. does the page adhere to SEO guidelines?) • User experience (e.g. does the page have a favicon?) • Internationalization (e.g. does the page use UTF-8 encoding?) If you like our app, please rate it in the Mac App Store so that we can use your feedback and keep creating updates.

Screenshots

Rabbit Web Performance4 screens
CheckSite2 screens

Verdict

The call

The clearest difference is in-app purchases: CheckSite at none against Rabbit Web Performance's 3. CheckSite also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). Rabbit Web Performance's advantage is update cadence (weekly vs every 13 months). On price and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Rabbit Web Performance sells 3 in-app purchases, starting at $7.99 per month. CheckSite asks for nothing beyond the download.

UpkeepUpdate frequency

Rabbit Web Performance ships an update weekly, CheckSite every 13 months. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Rabbit Web Performance versus CheckSite: the parameters behind the verdict, then further details
ParameterRabbit Web PerformanceCheckSite
PriceFreeFree
Rating3.8 (63 ratings) — better—
Positive reviews51.3% of reviews—
Number of ratings63 — better—
Update frequencyWeekly — betterEvery 13 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.014.0 — better
Further details — not scored
Size15 MB1 MB
Age rating4+17+
DeveloperMario Sevilla MontoyaColorize

In-app purchases

3 purchases

Rabbit Web Performance

Subscriptions2
  • Performance Browser$7.991 Month
  • Performance Analysis Browser3 Days trial$69.991 Year
One-time1
  • Export analysis in PDF$3.99
None

CheckSite

No in-app purchases

Questions

Is Rabbit Web Performance free?
Rabbit Web Performance is free to download, with in-app purchases available.
Is CheckSite free?
CheckSite is free to download, with no in-app purchases.
Do Rabbit Web Performance or CheckSite have ads?
Neither Rabbit Web Performance nor CheckSite shows ads.
Which is updated more often, Rabbit Web Performance or CheckSite?
Rabbit Web Performance ships an update weekly, and CheckSite every 13 months. Most recently, Rabbit Web Performance was updated on September 29, 2026 and CheckSite on September 20, 2026.

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