OptiPic makes jpeg progressive

OptiPic allows your website to become more technological and display jpeg faster thanks toprogressive jpeg technology.

technology progressive jpeg allows you to keep the original quality of the picture, but the speed of loading such a file is an order of magnitude higher than in photos with other technical data. Let us consider this issue in more detail and in more detail, and also talk about those aspects that require closer attention.

Progressive JPEG - faster loading of JPEG

Web optimized photos are in JPEG format. It itself has a certain classification and is represented by two such variations:

  • Serial (baseline) – provides for the normal boot image in one layer. Images are loaded from top to bottom with full resolution;
  • Progressive – includes a series of successive layers with gradually improving quality.

Progressive jpg first simply marks the contours of the future photo, and then loads the image into layers - from the layer with the worst quality to the last final layer with the maximum quality.

the Advantages of this format are obvious and undeniable. Such a photo appears on the screen much faster, and its volume can be quite impressive. And this rate has a positive impact on the overall download speed of the web page as a whole.

it is enough to cite one simple fact for a better understanding. Even if you use a weak link, a file in progressive jpg format with a size of 80 KB will appear much faster than a similar image of a sequential jpeg, which is reduced in size and has only 5 KB. Impress? That's it.

during the first pass, the progressive jpeg has a lower resolution. However, the file includes the amount of data that is similar to a smaller image. And when displaying an object on a mobile device, the vast majority of users will not even guess about the low resolution.

Despite all the advantages of progressive jpeg, its popularity today is significantly inferior to consistent. Over 90% of all images in the network have a consistent display format.

But the situation is gradually changing in the opposite direction. The first steps in this direction are made by Google, which introduces new services for working with progressive jpeg and its subsequent promotion. Yes and browsers from the most different manufacturers gradually give preference to this format of display of photographs. Technology, which has been in a kind of isolation for the past few years, is now becoming more and more popular and relevant.

Now progressive jpeg has a wide range of advantages and benefits that are not in doubt. This format confidently looks to the future and in all its aspects is much better than obsolete analogues of previous years.

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