推荐15款最佳的响应式 Web 设计测试工具

　　响应式网页设计是根据设备的屏幕尺寸，平台和方向来开发的网页，是一种对最终用户的行为和环境作出反应的方法。响应式设计使用灵活的网格和布局，图像和智能使用 CSS 媒体查询的组合。当从它们在不同设备使用的时候，网站能够自动切换到容纳该特定分辨率，图像尺寸和脚本的能力。

　　在这篇文章中，我们想向大家介绍几个这样的工具，通过它来检测网站的响应式设计。尽情享受吧！

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1. ProtoFluid 4

ProtoFluid simplifies the development of fluid layouts, adaptive CSS and responsive design. It builds precise, dynamic viewports in which to test your work. This allows you to quickly effect changes and demonstrate benefits to interested parties. It is free and lets you use other extensions like FireBug.

2. Viewport Resizer

Viewport resizer is a browser-based tool to test any website’s responsiveness. Just save the bookmarklet, go to the page you want to test, click on your created bookmarklet and check all kinds of screen resolutions of the page. The smartest way to share your defined environment of devices and breakpoints directly with your team and client. However, this bookmarklet should not replace a real device simulation. It rather helps you, your team and client testing statuses, transitions, text length etc. throughout different device types.

3. Responsive.IS

Responsive.Is is developed by TypeCast another impressive responsive design testing tool, which you can use to test your responsive design. Just type in a URL, and it will automatically change its size depending on the device you choose.

4. Respondr

Respondr is a lightweight, pretty useful and handy tool that lets you test your websites on different devices. You need to enter the URL of the site/page that you want to test, and then select the device of your choice. You can select an iPhone, iPad, or desktop.

5. Froont

FROONT is a web-based design tool that runs in the browser and makes responsive web design accessible to all kinds of visual designers, even those without any coding skills.
FROONT makes responsive web design visual. Design can be done in-browser with intuitive drag-and-drop tools. After all, humans judge design with their eyes therefore it seems just normal to see right away how designs will look across all different screen sizes. Each project has its own URL,that makes it easy to test the designs on real devices right away.

6. Responsivepx

With responsivepx you need to Enter the url to your site – local or online: both work – and use the controls to adjust the width and height of your viewport to find exact breakpoint widths in pixels. Then use that information in your media queries to create a responsive design.

7. Responsive Web Design Testing Tool

Responsive Web Design Testing tool has been built to help with testing your responsive websites while you design and build them.

8. Screenfly

Screenfly lets you enter a URL to test, and then you choose phone, tablet, desktop, or TV. You can also enter a custom screensize, rotate the screen, and generate a URL to share with others for testing.

9. Review.js

ReView is a dynamic viewport system that provides efficient responsive web design viewing choice. Developed in pure JavaScript according to the principles of core (mobile) first progressive enhancement. The system provides both initial ‘Opt-In’ and ‘Opt-Out’ responsive design states.

10. Responsinator

Responsinator helps website makers quickly get an indication of how their responsive site will look on the most popular devices Responsivator lets you test your web applications iphone and ipad, kindle and Android platform. It also shows your site both in portrait and landscape mode.

11. Resizemybrowser

resizeMyBrowser allows you to choose the dimensions of your browser for testing. You can choose between 15 different presets, or you can enter your own custom screen sizes.

12. Responsive Design Bookmarklet

It’s a simple responsive design testing tool, you need to drag the bookmarklet above your bookmarks bar and it will be applied in your browser. You can then choose to preview the current page on screen widths the size of tablets and smartphones.

13. Adobe Edge Inspect CC

Adobe Edge lets you preview and inspect web designs on devices.

14. I am mobile

I am mobile is another good responsive design testing tool that test your web sites on various viewports and also gives you some tips to make your websites more mobile friendly.

15. Retina Images

Retina Images serves different images based on the device being used by the viewer.
Once setup on your website (very simple!) all you have to do is create a high-res version of each image you would like optimized for retina screens and all the work is done for you. You don’t even need to change any img tags (providing they have a height or width).