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6 Must-know Tips to Optimize Images for WordPress Websites

One of the best effective ways to grab a visitor’s attention is using images to break up long pieces of content. Especially, image is a useful tool to generate a ton of traffic from image-based search engines. Unfortunately, your heavy images are also one of the main factors slowing down your page loading time because these images use up more storage on your server and take time to be downloaded from your server to visitor’s computer.

Thus, it is undeniable to say that image optimization is the simplest and most effective step to improve your site performance. Thanks to plenty of modern tools, this goal is achieved easily than ever.

In this article, we’ll go deep on some must-know tips to use and optimize your images for your WordPress website effectively.

1. Resize images before uploading.

Many of you make a mistake that uploading large images have better image quality than small images. It’s not true. In fact, the larger your image is, the more waste space and bandwidth are used up. The best solution is uploading an image which is resized to the required dimension on your site.

Lots of helpful tools can give you a hand to have your images downsized: IrfanView, ImageMagick, Image Optim or TinyPNG

2. Use correct image format

Three most well-known image files used when uploading to the internet are JPEG, PNG and GIF. JPEGs are suitable for photographs or images with a variety of colors. As this image type is a compressed file format, the quality is reduced partly in order to provide much smaller file size. For PNGs, on the other hand, the image quality is better; however, this image type also uses up more space. If you intend to use images with lots of repetitive color, GIF type is suitable for you.

3. Declare “Alt” Attributes

Lots of people often forget to enter this information. However, to help the search engine “read” your image, you should add ‘alt’ attribute when you upload your image to your site. A “-” signal should be used to separate your texts and your content is same as this structure: your-image-title. When your image fails to be loaded, the content added in this “alt” attribute will be displayed.

4. Add Image Captions

Adding captions for your images will help your readers understand the topic better. However, it is optional to enter this information.

5. Enter Image Filename

It is necessary to name your images with names which should be same with the title added to ‘alt’ tag and include your most-relevant keywords. With this information, the search engine will find and index your topic easily.

6. Compress images

Using optimized images allows you to save lots of loading time and wasted space. Thanks to plenty of powerful plugins available now, you can easily compress your images easily with ease. Although JPEGs are compressed images, you can still make them far smaller with an outstanding plugin called WP Smush.it. This plugin will help you to optimize any image uploaded without any negative effect on your image quality. For PNG images, you can use TinyPNG – a useful online tool for image optimization.

If you have not yet optimized your images, why don’t you get started now? Do it and enjoy the difference in loading speed without any changes in your images. Don’t hesitate to share your favorite suggestion in our comment box.

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