Ways to improve the quality of a blurred photo

I've recently put together a test landing page using bootstrap:

Upon visiting the site and viewing the iPhone screenshot, it's clear that the text on the screen is quite blurry.

Interestingly, by simply resizing the browser window and then maximizing it back to its original size, the text becomes perfectly sharp.

Why does this occur? Is there a way to ensure the image is clear right from the first load without having to resize the browser window?

The image in question happens to be a GIF - not sure if that affects anything.

csshtmlimagetwitter-bootstrapgif

Answer №1

For a sharp image, consider using this CSS code:

.sharp-image {
    image-rendering: -moz-crisp-edges;
    /* Firefox */
    image-rendering: -o-crisp-edges;
    /* Opera */
    image-rendering: -webkit-optimize-contrast;
    /* Webkit (non-standard) */
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;
    /* IE (non-standard) */
}

Answer №2

To ensure optimal display on different screens, it is recommended to set up various images tailored for specific screen sizes. One of the easiest methods to achieve this is by using media queries and providing different versions of the image with varying dimensions.

Here is an example of code referenced from examplewebsite.com:

/* Default screen, non-retina */
.hero #cafe { background-image: url("../img/candc970.jpg"); }

@media only screen and (max-width: 320px) {
    /* Small screen, non-retina */
    .hero #cafe { background-image: url("../img/candc290.jpg"); }
}
@media
only screen and (min-resolution: 2dppx) and (max-width: 320px) {
    /* Small screen, retina */
    .hero #cafe { background-image: url("../img/example_retina.jpg"); }
}
@media only screen and (min-width: 321px) and (max-width: 538px) {
    /* Medium screen, non-retina */
    .hero #cafe { background-image: url("../img/candc538.jpg"); }
}

Answer №3

Recently came across a helpful tutorial on how to fix blurry images when scaling down, which can be found here.

I tried the first solution provided and it worked perfectly for me:

img {
    -webkit-backface-visibility: hidden;
    -ms-transform: translateZ(0); /* IE 9 */
    -webkit-transform: translateZ(0); /* Chrome, Safari, Opera */
    transform: translateZ(0);
}

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