Image Optimizer

compress-image

How to Optimize Imagesfor High Performance on the Internet, without sacrificing Quality

Did you consider optimizing your photos before uploading to WordPress can have a massive impact on the speed of your website?

When creating a blog, many new bloggers upload images without optimizing them for web. Images that are large can make your site slow.

You can solve this problem by applying Image optimizationbest methods as part of your regular blogging routine.

The following article In this post, we'll teach you how to optimize your images to increase internet performance without losing quality. We will also present automatic images optimization extensions for WordPress that will make your life easy.

Because this is a complete guide to image optimization for the web so we've put together an easy-to-follow table of content:

  • What's an image optimization? (optimized and unoptimized images)
  • Why is image optimization crucial? What are the advantages?
  • How do I preserve and optimize images for web performance?
  • Top image optimization tools and programs
  • The best photo optimization software for WordPress

What is Image Optimization? (Optimized vs Unoptimized Images)

Image optimization is the process of saving and delivering images in the smallest files without reducing the overall quality of images.

Although the process might sound complex but it's actually fairly simple today. You can use one of the numerous image optimization applications and tools that automatically compress images by at least 80% without any visible reduction in image quality.

Here's an example that shows optimized vs unoptimized image:

Like you see if optimized correctly, the image can be 75 percent smaller than the original picture without any degradation in quality.

What is Image Optimization work?

In simple words simple terms, image optimization is achieved by using compression technologies such as "Lossy" and "Lossless" which can reduce overall file size without any noticeable reduction in quality.

What is it to optimize Images?

If you've ever been given a recommendation to optimize images through your WordPress hosting service or an instrument for speed testing, then it is that you have to decrease the file size of your photos by optimizing them to be used on the web.

Why is Image Optimization Important? What are the Benefits of Image Optimization?

While there are many benefits of optimizing your images, here are the top ones to be aware of:

  • Website speed faster
  • Increased SEO rankings
  • Higher overall conversion rate for leads and sales
  • Storage and bandwidth are reduced (which will reduce hosting and CDN cost)
  • More efficient backups for websites (also reduces the cost of backup storage)

Outside of video, images are the second-heaviest items on a page. In accordance with HTTP archive the images account for approximately 21% of the weight of a page's total.

As we have seen that faster websites are more popular in search engines (SEO) and achieve higher conversion rates which is why image optimization is a necessity for every business website must do in order to grow online.

Now you might be wondering what impact could image optimization actually impact?

According to a Strangeloop study, one-second delay in website loading can cost you 7% of sales, 11% fewer pageviewsand a 16 percent less satisfaction from customers.

If these aren't enough reasons to speed up the loading time of your site, then you should know that search engines such as Google are also giving preferential SEO preference to faster-loading sites.

By optimizing your images for web this can improve web page speed and increase WordPress SEO positions.

Video Tutorial

If you'd prefer written instructions, just keep reading.

How to Save and Optimize Images for Web Performance?

The key to successful photo optimization for web performance is to strike the perfect balance between lowest file size and acceptable image quality.

The three factors that play an important influence on picture optimization are:

  • Image file format (JPEG vs PNG vs GIF vs tiff )
  • Compression (Higher compression = smaller file size)
  • Image Dimensions (height and width)

If you choose the best combination of these three, you can reduce your image's size by up to 80 percent.

Let's look at each of them in greater details.

  1. Image File Format

For most website owners, the only three image formats that really require attention is JPEG, PNG, and GIF. The selection of the proper file type is essential to image optimization.

To keep things simple It is best to use JPEGs to create images or photos filled with colors. PNGs to create simple images, or when you require transparent images, and GIF for animated images only.

For those that don't know the differences between each file type, the image format PNG is non-compressed, meaning it is a higher quality image. The disadvantage is that it's file dimensions are larger.

On the other hand, JPEG is a compressed format, which reduces image quality in order to make it much smaller file size.

However, GIF can only use 256 colors together with lossless compression, which means it is the best choice for animated images.

On WPBeginner we make use of three different image formats based on the kind of image.

2. Compression

The second thing to consider is image compression, which plays an enormous part within image optimization.

There are different types and levels of compression that are available. What settings are used for each will differ depending on the compression tool you employ.

The majority of image editors, including Adobe Photoshop, On1 Photo, GIMP, Affinity Photo and more come with built-in features for image compression.

You can also save pictures in normal format and then make use of a website tool such as TinyPNG or JPEG Mini for easier image compression.

Though it's a little manual both methods allow the compression of images prior to uploading the images to WordPress, and this is what we do with WPBeginner.

There are also several popular WordPress plugins such as Optimole, EWWW Image Optimizer, and others that can automatically compress images once they are uploaded for the first time. Many newbies, and even larger companies prefer using these image optimization plugins as it's quick to use and is convenient.

We'll discuss more details about these WordPress plugins later in this article.

3. Image Dimensions

Normally when you download a photograph from your phone or a digital camera, it has a very high resolution and large file dimensions (height and wide).

Typically, these photos have a resolution of 300 DPI and sizes that range from 2000 pixels and higher. These high-quality photos are well-suited for desktop or print publishing. These images are not appropriate for use on websites.

The reduction of file sizes to something more acceptable can dramatically decrease the size of the image file. You can easily resize images using an image editing program installed on your computer.

We optimized, for instance, photos with 1.8 Megabytes in size as the original file size, 300 DPI resolution, and dimensions of 4900x3200 pixels.

We chose jpeg format for larger compression. The dimensions were changed to 1200x795 pixels. In addition, it decreased the image file size to 103 KB. This is 94% smaller than the original size.

If you're aware of the three primary factors that affect image optimization we can take a review the different image optimization software for webmasters.

Best ImageOptimization Tools and Programs

We mentioned it earlier that most image editing software come that have image optimization as well as compression options.

Outside of the image editing software, there are many useful and powerful image optimization tools you can utilize to make your images more attractive for the web use (with just a few clicks).

We suggest making use of these software tools to optimize images prior to uploading them to WordPress particularly if are the type of person who is obsessed with perfection.

This approach helps you conserve the disk space of your WordPress hosting account and guarantees the fastest image with the highest quality as you manually scrutinize every image.

Adobe Photoshop

Adobe Photoshop is a premium software with a feature to save images designed specifically for the web. Simply open your image and click"File" and then select the "File >> Save for Web" option.

This will open a brand new dialog box. On the right, you are able to choose various image formats. In the case of JPEG format, you'll be presented with a variety options regarding quality. When you select your options the program will display the size of the file in the lower left.

GIMP

GIMP is a no-cost and open source alternative to popular Adobe Photoshop. It is a tool to enhance your photos for the web. However, it's not as simple to implement as other options on this list.

The first step is to open your image in GIMP then click on the File > Export as option. This will display the dialog box for saving your file. Give your file a new name and then click on"Export.

It will open options for exporting images. For JPEG files, you can select the compression level to decrease file size. Finally, click on"export button" in order for you to save an optimized picture file.

TinyPNG

TinyPNG is a completely free web application that utilizes a lossy compression technique that can reduce in size your PNG images. All you have to do is visit their website and upload your photos (simple drag & drop).

They will compress the image and then provide you with the download URL. You can also visit their sister webpage, TinyJPG, for JPEG image compression.

They also have one extension that works with Adobe Photoshop which we use for our image editing process since it combines the best qualities of TinyJPG and TinyPNG in Photoshop.

Developers can use an API that can convert images automatically. For beginners , they provide an WordPress plugin that will automatically accomplish the task (more on this in the future).

JPEG Mini

JPEGmini uses a lossless compression technique that reduces the size of images , without impacting their visual quality. You can also test the quality of the original image and the compressed image.

You can try their web version for free or purchase the application for your computer. They also have a pay API that can automate the process that your server uses.

ImageOptim

ImageOptim is a Mac program that allows users image compression and compression that doesn't result in sacrificing any quality. This is done by identifying the optimal compression parameters and getting rid of color profiles that aren't needed.

Windows option to do this would be Trimage.

Best Image Optimization Plugins for WordPress

We believe that the most efficient method of optimizing your images is by doing it before uploading images to WordPress. However, if your site is a multi-author website or need an easy solution you may want to consider an WordPress image compression plugin.

Here is our list of the top WordPress image compression plugins:

  1. Optimole is a well-known plugin created by The company behind ThemeIsle.
  2. EWWW Image Optimizer
  3. Compress JPEG & PNG images using the plugin developed by the TinyPNG team. It is mentioned above in the article.
  4. Imagify is a plugin developed by the popular WP Rocket plugin team.
  5. ShortPixel Image Optimizer
  6. WP Smush
  7. reSmush.it

Utilizing one ones of them WordPress image optimization plugins can improve the speed of your website.

Final Thoughts and Best Practices for Image Optimization

If you aren't saving images that are optimized for web, then it's time to do so today. It will make a huge difference to the speed of your website and your users will be grateful for it.

Furthermore, faster websites are better for SEO, and you're likely to see an increase in the search engine results.

Make use of this tool: convert to png

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