你可以在 Chrome 中看到它： http: //toliklunev.ru/image.jpg
由 Photoshop 重新保存的图像可以正常加载：http ://toliklunev.ru/image2.jpg
为什么？
UPD：在 Firefox 中，一切都变得更加有趣。第一个图像已翻转。
我已将我的简单php应用程序推送到Heroku并获得某些js文件的403状态.
https://guarded-forest-7267.herokuapp.com/vendor/jquery/dist/jquery.min.js Failed to load resource: the server responded with a status of 403 (Forbidden)
https://guarded-forest-7267.herokuapp.com/vendor/jquery-form/jquery.form.js Failed to load resource: the server responded with a status of 403 (Forbidden)
https://guarded-forest-7267.herokuapp.com/vendor/jquery-validate/dist/jquery.validate.min.js Failed to load resource: the server responded with a status of 403 (Forbidden)
https://guarded-forest-7267.herokuapp.com/vendor/jquery.inputmask/dist/inputmask/jquery.inputmask.js Failed to load resource: the server responded with a status of 403 (Forbidden)
https://guarded-forest-7267.herokuapp.com/vendor/modernizer/modernizr.js Failed to load resource: the server responded with a status of 403 (Forbidden)
https://guarded-forest-7267.herokuapp.com/vendor/jselector/src/jquery.jselector.js Failed to load resource: the server responded with …
