Tuesday, October 17, 2017

USE THE PHOTOS ON THE WEBSITE ACCELERATED AND OPTIMIZED

The use of images for the website is unavoidable because of the need to use images for the website everyone has. But the downside is that when uploading it will be quite a waste of bandwidth and bandwidth if you have a huge archive, not to mention, if you use wordpress, the mechanism of producing a lot of different images will make you spend a lot of space. So if you are using image uploads directly on the host, you may want to consider downloading and optimizing images in this article.

Which image format does the website use?

To take advantage of the best image and avoid using the wrong format can slow down your website then you should determine the need to use the most suitable format.
USE THE PHOTOS ON THE WEBSITE ACCELERATED AND OPTIMIZED

Often the images we use on our website are GIF, PNG-8, or PNG-24 and JPEG formats. Each image format has a different purpose, which I summarize as follows:
GIF: used for the purpose of downloading animation to the web.
PNG-8: Used for high-resolution and sharper images, but only in RBG color combinations.  It supports transparent images, not background.
PNG-24: Use for high-resolution images and multi-color support.
JPEG / JPG: Normal image format, which can reduce image quality, supports many color images. But it does not support animations and photos.
If the image is not blurry, use PNG-8 instead of JPEG. For quality between JPEG and PNG, PNG will have better image quality.

When to use JPEG images?

If you have high-resolution color images, use JPEGs because of the gradients, many colors will help you achieve better image quality but the capacity will be lower than PNG and GIF
USE THE PHOTOS ON THE WEBSITE ACCELERATED AND OPTIMIZED

When to use PNG images?

PNG will have PNG-8 and PNG24. PNG-8 is an image format similar to PNG-24, but can be used in some cases to replace JPEG as a transparent image or as a color-coded image.
Also, if you want high quality, high quality still images, then use PNG-24 because it is a lossless image compression format, JPNG is lossy so it will lose some quality. However, However, I think you should switch to using PNG-24 if you do not need to use animation, then use the capacity reduction tools to get a lighter image that is much better quality than JPEG. That's why HATACHI NARA now uses PNG images, if it's made by the camera itself.

Comparison between PNG and JPEG

Here are two photos taken with the Snagit 12 software and saved in JPEG and PNG-24 format, you see and evaluate the difference it.
USE THE PHOTOS ON THE WEBSITE ACCELERATED AND OPTIMIZED
JPEG 45kb

USE THE PHOTOS ON THE WEBSITE ACCELERATED AND OPTIMIZED
PNG 13kb

Compress the image before uploading to the website

You should reduce the number of images before uploading to the website if you do not have the need to keep the maximum quality If a compressed image is original, you can save up to 70-80% of capacity, but the quality is almost unchanged if you use the naked eye. Note: With PNG you will be able to compress better, JPEG will be compressed less because it is already compressed.
USE THE PHOTOS ON THE WEBSITE ACCELERATED AND OPTIMIZED

The best compression applications

Caesium: for Windows this software helps you to compress common images like PNG, JPEG, and BMP which can compress multiple images at one time into a folder, and it's free.
ImageOptim: for Mac This is an app that I quite like on mac and I usually use it to compress images for posts, it supports the compression of some common image formats such as JPEG, PNG and GIF.  it is both lightweight and cost-effective.
PngOptimizer: for Windows is a small and very convenient fmootj application.
Kraken: for Web
USE THE PHOTOS ON THE WEBSITE ACCELERATED AND OPTIMIZED

If you need fast image compression, good compression and support for image size reduction, then kraken will be quite suitable for you. You can also compress directly from a live link, or compress all the images in a website with Page Cruncher.

Compress images on WordPress

If you are using wordpress and need to compress the images you have uploaded to the library then you can use the following plugin to compress the image.
EWWW Image Optimizer:  This plugin supports decompression quite well, and supports most image formats, It lets you automatically extract the pictures when you upload or compress them directly in your photo library.
And another reason you should use these plugins is that it supports you compress the entire image on the host via the WP-CLI command. So if you are using a server with the same WP-CLI, then install this plugin into the wordpress directory and type wp help ewwwio optimize to see the tutorial.
WP Smush: The functionality of the WP Smush plugin is the same as EWWW Image Optimizer, allows you to automatically compress when uploading and compressing images directly in the gallery, it is slightly more compact and easy to use.
Kraken: If you like paying for better images, do not waste a lot of server resources, can use the services of kraken, supports lossless or lossy image compression options but you pay at least $ 5 per month.

Reduce image size

A photo too big or too heavy to upload to the website it will waste bandwidth and server hard drive space. For example, if you are not a photographer or post a background image of the computer, a background image you post on the website should be only 1024px width, if it's too big then the user will probably see better, maybe they have to click on the photo and zoom up to see it all.

Last words

Why optimize the image on the website is important and so interesting? simply put, if you do not optimize, you will add more traffic to your store spend more bandwidth you will spend more money to rent a host. In addition, large images will make the page load slow, The use of images on the website properly also contribute to accelerate the website better.

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