# CheckSite

> CheckSite (iPhone/iPad app by Colorize.)

- Source: https://appshunter.io/ios/app/checksite/id1229462941 (this page in markdown: same URL + `.md`)
- Developer: [Colorize](https://appshunter.io/developer/884132635)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 17+
- Requires: iOS 14.0 · 1 MB
- Languages: American English
- Released: 2017-05-23
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/checksite/id1229462941/reviews.md

## What is CheckSite?

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.


## Version history (last 5 releases)

### 1.12.0 — 2026-01-03

- Introducing a new sitemap view.
  - New accessibility checks for text size and color contrast.
  - Modernized favicon checks.
  - Removed several checks that are no longer relevant in current browsers.

### 1.11.3 — 2024-02-05

- It's been a while!
- Updated results comparison with other websites to top 1000 most popular websites.
- Added more checks related to the page's HTTP headers.
- New checks to verify HTTPS certificates.
- Added checks for PWAs (progressive web applications).
- CheckSite will now use HTTP/2 for websites that support it.

### 1.8.0 — 2017-11-14

This app has been updated by Apple to display the Apple Watch app icon.

- Interface improvements.
- Improved HTML and CSS previews.
- Reintroduced sitemap view that visualizes the pages in the website.

### 1.7.1 — 2017-07-31

- Improved page previews.
- Visual improvements.

### 1.7.0 — 2017-05-23

No release notes.

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## More apps by Colorize

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All apps by Colorize: https://appshunter.io/developer/884132635

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*