How to Compress Images Without Losing Quality: Complete Guide for Websites in 2026

What Is Image Compression?

Image compression is the process of reducing the amount of data required to store or deliver an image. The main objective is to create a smaller image file while preserving as much visual quality as possible. Digital images contain a large amount of information. This can include colors, pixels, textures, transparency information, metadata, and other data. Compression algorithms analyze this information and find ways to represent the image using less data. There are two major categories of image compression: lossy compression and lossless compression. Lossy compression reduces file size by removing some image information. The removed information is usually selected in a way that attempts to minimize the visible difference between the original and compressed image. Lossless compression works differently. It reduces file size without permanently removing the original image information. When the image is decoded, the original image information can be reconstructed. The effectiveness of compression depends heavily on the image itself. A photograph may respond very well to lossy compression because small differences in texture and color may not be noticeable. A screenshot containing small text may require more careful compression because artifacts can make text difficult to read. A simple graphic with flat colors may compress differently from a detailed photograph. For this reason, there is no single compression setting that is perfect for every image. The best compression strategy considers the image content, dimensions, format, intended use, and required quality. The goal is not simply to create the smallest possible file. The goal is to create the smallest practical file that still provides the quality required by the user.

Why Should You Compress Images?

Compressing images can provide several important benefits. The first benefit is reduced file size. A smaller image requires less storage and less data to transfer from the server to the visitor. This can be particularly important for websites with many images. The second benefit is improved loading performance. When a visitor opens a webpage, the browser may need to download multiple resources. Large images can represent a significant portion of the total page weight. Reducing image sizes can help decrease the amount of data that must be downloaded. The third benefit is improved experience for mobile users. Mobile visitors may use slower connections or have limited data plans. Delivering smaller images can make the website more efficient for these users. Image compression can also help reduce bandwidth consumption. This may be useful for websites that receive large amounts of traffic or serve large numbers of images. Ecommerce websites can benefit significantly from image optimization. Product pages often contain multiple product photographs, thumbnails, galleries, and promotional graphics. If every image is unnecessarily large, the total page size can become excessive. Compressing these images can help create a faster and more efficient shopping experience. Image compression can also contribute to technical SEO and performance optimization. While compression itself is not a direct ranking guarantee, faster and more efficient pages can improve the overall user experience. The key is to compress images intelligently. Over-compression can make images look poor and may damage the quality of the user experience. The objective is to reduce unnecessary data while keeping the image visually useful.

Lossy vs Lossless Image Compression

Understanding the difference between lossy and lossless compression is essential when optimizing images. Lossy compression reduces file size by removing some information from the image. The removed information cannot be restored by simply decompressing the file. The advantage is that lossy compression can produce much smaller files. This makes it especially useful for photographs and other images where a small amount of visual information can be removed without creating an obvious difference. JPG is a common example of a format that is widely used with lossy compression. WEBP also supports lossy compression. Lossless compression takes a different approach. It attempts to reduce file size while preserving the original image information. This makes lossless compression useful when exact details are important. PNG is commonly associated with lossless compression. WEBP can also support lossless compression. Lossless compression is often suitable for screenshots, technical graphics, diagrams, text-heavy images, and other assets where visual precision matters. However, lossless compression usually cannot achieve the same file-size reductions as aggressive lossy compression. The choice should therefore depend on the purpose of the image. For a large photograph on a blog, lossy compression may be appropriate. For a screenshot containing small text, lossless compression may be preferable. For a transparent logo, PNG or lossless WEBP may be suitable, while SVG may be better if the logo is available as vector artwork. The most effective image optimization workflow uses the appropriate compression method for each type of image instead of applying the same settings to everything.

Which Image Format Should You Use?

Choosing the right image format is one of the most important decisions in image optimization. JPG or JPEG is commonly used for photographs and complex images. It supports lossy compression and can provide relatively small files when the quality setting is chosen appropriately. PNG is commonly used for graphics, screenshots, illustrations, logos, and images that require transparency or lossless compression. WEBP is a modern format that supports both lossy and lossless compression and can also support transparency. It can be an efficient choice for many modern websites. SVG is a vector format rather than a traditional raster image format. It can be an excellent choice for logos, icons, and simple illustrations that need to scale to different sizes. The correct format depends on the image. A photograph usually does not need to be stored as PNG. A simple vector logo may not need to be stored as a large raster image. A screenshot containing text may require a format and compression method that preserves sharp details. The best strategy is to evaluate each image individually. Choose the format that provides the right combination of quality, file size, transparency, compatibility, and intended use. Changing the format can sometimes reduce file size significantly, but format selection should always be combined with appropriate image dimensions and compression settings.

How to Compress JPG and JPEG Images

JPG and JPEG images are commonly used for photographs and complex images. They are especially suitable when the image contains many colors, gradients, textures, and photographic details. To compress a JPG effectively, start by checking its dimensions. If the original image is much larger than the size required on your website, resize it before compression. For example, if an image will be displayed at approximately 1000 pixels wide, there may be little benefit in delivering a 5000-pixel-wide image. After resizing, choose an appropriate quality setting. A high-quality JPG may preserve more detail but produce a larger file. A lower-quality JPG may be significantly smaller but can introduce visible artifacts. The ideal quality setting depends on the image. Photographs with complex textures may tolerate stronger compression. Images containing text or sharp graphic elements may require higher quality. Always inspect the compressed image at its actual display size. A small amount of compression may be almost invisible when the image is displayed on a webpage. The goal is to find the point where additional file-size reduction begins to create noticeable quality problems. For many website images, a carefully optimized JPG can provide an excellent balance between quality and performance. However, WEBP may also provide an efficient alternative for modern web delivery. Keep the original high-quality image whenever possible. Create a compressed version specifically for website use rather than repeatedly editing and recompressing the same file.

How to Compress PNG Images

PNG images are often used for screenshots, transparent graphics, logos, illustrations, and images where lossless quality is important. Because PNG uses lossless compression, reducing file size can sometimes be more challenging than compressing a photograph using lossy JPG compression. The first step is to check the image dimensions. If the PNG is larger than necessary, resizing it can provide a significant reduction in file size. Next, consider whether PNG is actually the best format for the intended use. Some PNG images may be suitable for conversion to WEBP. A transparent PNG, for example, may be converted to transparent WEBP if the resulting file provides a meaningful size reduction and works correctly with your website. For screenshots and graphics containing important text, test the output carefully. If lossless quality is required, use lossless compression rather than aggressive lossy settings. PNG optimization may also involve removing unnecessary metadata. Metadata can include information that is not required for displaying the image. Removing unnecessary data can reduce file size without changing the visible appearance. The most important rule is to avoid blindly converting every PNG. Evaluate the image first. A simple graphic may remain efficient as PNG. A large transparent graphic may benefit from WEBP. A vector logo may be better represented as SVG. The best solution depends on the specific image.

How to Compress WEBP Images

WEBP is designed to provide efficient image compression and supports both lossy and lossless modes. This makes it flexible for many types of website images. To compress WEBP images effectively, begin by determining whether the image requires lossy or lossless compression. For photographs, lossy WEBP can often provide significant file-size savings while maintaining good visual quality. For screenshots, graphics, and images containing precise details, lossless WEBP may be more appropriate. The next step is to check the image dimensions. Even a highly efficient format can produce an unnecessarily large file if the image is much larger than the display size. Resize the image when appropriate. Then choose a quality level that matches the purpose of the image. Higher quality generally produces larger files. Lower quality generally produces smaller files but can introduce visible artifacts. The correct balance depends on the image. Inspect the final result at the size at which visitors will actually see it. If the difference between two quality settings is not noticeable but one produces a significantly smaller file, the smaller version may be the better choice. WEBP is particularly useful for modern websites because it can combine efficient compression with support for transparency. However, optimization should still be based on testing rather than assuming WEBP automatically creates the smallest possible file.

Why You Should Resize Images Before Compression

One of the most overlooked image optimization techniques is resizing. Many websites upload images that are significantly larger than the dimensions required by the page. For example, an image may be 4000 pixels wide while the website displays it at only 800 pixels wide. Even if the image is compressed efficiently, the browser may still need to download much more data than necessary. Resizing the image to an appropriate dimension can therefore produce a major reduction in file size. This is especially important for photographs from modern smartphones and cameras. These devices can produce extremely high-resolution images. Uploading these original files directly to a website may create unnecessary page weight. The best workflow is usually to determine the required display dimensions first. Then resize the image appropriately. After resizing, choose the correct format and compression settings. This order can be more effective than simply compressing the original oversized image. Responsive images can also help. A desktop visitor may require a larger image than a mobile visitor. Providing appropriately sized versions allows the browser to select a suitable image for the device and display size. The key principle is simple: Do not send more pixels than the visitor needs. Image dimensions and compression should work together.

How to Choose the Right Image Quality

Choosing the correct quality setting is one of the most important parts of image compression. A very high quality setting may preserve more visual detail but create a larger file. A very low quality setting may produce a small file but introduce visible artifacts. The ideal setting is usually somewhere in between. The correct value depends on the image. Photographs can often tolerate moderate compression because small differences in texture may not be noticeable. Screenshots containing text may require more careful settings. Logos and graphics with sharp edges may also need higher quality. Instead of choosing a quality setting based on a fixed number for every image, compare the actual output. Create multiple versions with different settings. Compare their file sizes. Then inspect their visual quality. Look closely at edges, text, gradients, faces, and detailed textures. The best setting is the one that provides an acceptable visual result with the smallest practical file size. It is also important to evaluate images at their actual display size. An artifact that is visible when zooming into a large image may be completely invisible when the image is displayed at a smaller size on the website. Image compression should always be based on the final user experience rather than the original file alone.

How to Compress Images Without Losing Quality

Compressing images without losing quality is possible when the term "quality" is understood correctly. In some situations, you can reduce file size without changing the visible appearance of the image. This is commonly achieved through lossless compression, resizing unnecessary dimensions, removing unnecessary metadata, and selecting a more efficient format. However, it is important to understand that lossy compression can change the underlying image information. The image may still look identical or nearly identical to a human viewer, but technically some information may have been removed. The best approach is to focus on perceived visual quality. Start by keeping the original high-quality image. Then create an optimized version. Resize the image if it is larger than necessary. Choose the correct image format. Select an appropriate compression method. Adjust the quality settings carefully. Inspect the final image. If the visual difference is not noticeable and the file size is significantly smaller, the compression was likely successful. For images where exact preservation is essential, use lossless compression. For photographs where small differences are acceptable, use carefully controlled lossy compression. Another useful strategy is to avoid repeated lossy compression. Repeatedly opening, editing, and saving the same compressed JPG can gradually reduce quality. Instead, maintain a high-quality master copy and generate optimized versions from that source. This approach allows you to achieve smaller files without unnecessarily sacrificing visual quality.

How to Compress Photos

Photographs are among the best candidates for effective image compression. They contain complex visual information that can often be compressed significantly without creating obvious quality problems. Start by resizing the photograph to the dimensions required by the website. Then select an appropriate format. JPG remains widely used for photographs. WEBP can also be an efficient choice for modern websites. Choose lossy compression when reducing file size is a priority and small visual differences are acceptable. Avoid using extremely aggressive compression. A photograph that looks acceptable on one screen may show visible artifacts on another. Always inspect the final image. Pay attention to faces, skies, gradients, fine textures, and areas with strong contrast. These areas can sometimes reveal compression artifacts. For blog posts, portfolios, and ecommerce websites, it is often better to use a slightly larger file with excellent visual quality than an extremely small file that looks noticeably degraded. The goal is balance. A properly optimized photograph should load efficiently while still looking professional and attractive.

How to Compress Screenshots

Screenshots require a different compression strategy from photographs. They often contain text, interface elements, icons, sharp lines, and flat colors. These details can become blurry or distorted when aggressive lossy compression is applied. For screenshots containing important text, lossless PNG or lossless WEBP may be appropriate. If the screenshot is extremely large, resizing it can provide a significant reduction in file size. However, make sure that text remains readable after resizing. If a screenshot will be displayed at a smaller size, consider whether the text should remain readable at that display size. For technical tutorials and documentation, readability should be prioritized over achieving the smallest possible file. You can also consider cropping unnecessary areas. Removing irrelevant parts of a screenshot reduces the number of pixels that need to be stored and delivered. The best screenshot optimization strategy is therefore a combination of appropriate dimensions, careful cropping, and suitable lossless or high-quality compression.

How to Compress Transparent Images

Transparent images are commonly used for logos, icons, product images, illustrations, and design elements. PNG has traditionally been a popular choice for transparency. WEBP can also support transparent images and may provide smaller files in many cases. When compressing a transparent image, first check whether the transparency is actually necessary. If the image does not require a transparent background, removing unnecessary transparency may allow you to use a simpler and more efficient format. If transparency is required, compare PNG and transparent WEBP versions. Check both file size and visual quality. Pay attention to the edges of the transparent object. Compression artifacts can sometimes appear around semi-transparent edges or fine details. For logos and icons that are available as vector graphics, SVG may be a better solution. SVG can provide excellent scalability and may be extremely efficient for simple shapes. The correct choice depends on the image. Transparent PNG remains useful. Transparent WEBP can be efficient for modern websites. SVG can be ideal for suitable vector artwork. The goal is to select the format that matches the image and its intended use.

How to Compress Images for Websites

Website images should be optimized specifically for web delivery. The first step is to identify how the image will be displayed. Determine the approximate dimensions required on desktop and mobile devices. Avoid delivering oversized images. Next, choose the appropriate format. Photographs may work well as JPG or WEBP. Transparent graphics may use PNG or WEBP. Vector logos and icons may use SVG. Then apply suitable compression. Use lossy compression when appropriate and lossless compression when exact preservation is important. Consider responsive image delivery. Different screen sizes may require different image dimensions. Providing multiple versions can allow the browser to choose a more appropriate resource. You should also consider loading behavior. Images that are immediately visible may need to be prioritized. Images below the initial viewport may be suitable candidates for lazy loading. The website should also use caching and efficient delivery infrastructure. Image compression is only one part of the complete system. The best website image strategy combines: Appropriate dimensions. Efficient formats. Suitable compression. Responsive image delivery. Good loading behavior. Caching. Accessible alternative text. Descriptive filenames. Together, these practices can create a faster and more efficient website.

Image Compression and SEO

Image compression can support a broader SEO strategy by helping improve website performance and user experience. Search engines evaluate many aspects of websites. Content quality, relevance, accessibility, technical performance, and user experience all matter. Image compression does not automatically make a page rank higher. However, unnecessarily large images can contribute to excessive page weight and slower loading. Optimizing those images can help reduce unnecessary data transfer. Image SEO should also include descriptive filenames. Instead of using meaningless filenames, use filenames that accurately describe the image when appropriate. Alternative text should also be used where it provides meaningful information for users who cannot see the image. The image format should be chosen based on the content. The dimensions should match the display requirements. Compression should preserve acceptable visual quality. A complete SEO-focused image strategy therefore includes more than compression. The objective is to make images useful, accessible, relevant, and efficient. When these practices are combined, image optimization becomes part of a broader technical and content strategy.

Image Compression and Website Speed

Large images can have a significant impact on website loading performance. When a page contains several large images, the total amount of data required to display the page can become substantial. Compressing images reduces the amount of data that must be transferred. This can be particularly valuable for visitors on mobile connections. However, the improvement depends on the original image. If an image is already highly optimized, additional compression may provide only a small benefit. If the image is extremely large, resizing and compressing it may produce a much larger improvement. This is why website optimization should begin by identifying the largest and most important images. Focus on images that contribute significantly to the initial page experience. Optimize the main visual content first. Then review secondary images. The goal is to prioritize the optimizations that provide the greatest practical benefit. A website with hundreds of small optimized images may perform better than a website with only a few extremely large images. Therefore, monitor the actual page weight and identify where the largest opportunities exist.

Image Compression and Core Web Vitals

Image optimization can be relevant to Core Web Vitals because images can influence loading performance and visual stability. Large images may take longer to download. This can affect the experience of visitors waiting for important content to appear. Optimizing image dimensions and file sizes can help reduce unnecessary data transfer. However, image compression alone does not guarantee excellent performance metrics. The loading priority of the image matters. The location of the image matters. The dimensions of the image matter. The way the image is delivered also matters. For example, an important image near the top of the page may deserve different treatment from an image far below the initial viewport. Images should also have reserved space when appropriate. If the browser does not know the expected dimensions, content may move when the image loads. A strong optimization strategy therefore combines compression with proper dimensions, responsive delivery, and appropriate loading behavior. The goal is to improve the complete user experience rather than focusing on a single optimization technique.

How to Compress Images in WordPress

WordPress websites often rely heavily on images. Blogs, portfolios, business websites, and ecommerce stores can accumulate large numbers of image files over time. This makes image optimization particularly important. The first step is to identify oversized images. Check whether uploaded images are significantly larger than the dimensions at which they are displayed. Resize images when necessary. Then choose appropriate formats. WEBP can be useful for many modern WordPress websites. PNG remains useful for certain transparent graphics and lossless assets. JPG can still be suitable for photographs. Many WordPress optimization solutions can automatically compress images or generate optimized versions. However, the exact approach depends on your hosting environment, theme, plugins, and website configuration. Always test the final result. Make sure that optimized images display correctly. Check transparency. Check image quality. Check mobile performance. Keep original high-quality assets when possible. A good WordPress image workflow should prevent oversized uploads and maintain consistent optimization as new content is published.

How to Compress Ecommerce Product Images

Ecommerce websites depend heavily on product images. Customers need to see products clearly, but large image files can slow down category pages, product pages, and image galleries. The first priority should be image dimensions. Product images should be large enough to allow customers to inspect the product but not unnecessarily oversized. Next, choose the correct format. Photographic product images may work well as JPG or WEBP. Transparent product images may use PNG or transparent WEBP. The compression level should preserve important product details. Customers need to see colors, textures, materials, and product features accurately. Over-compression can reduce trust if the product images look blurry or distorted. Responsive images are also important. Mobile visitors may not need the same dimensions as desktop users. Serving appropriately sized images can reduce unnecessary bandwidth. The best ecommerce image strategy balances three priorities: Visual quality. Performance. Accurate product representation. The smallest possible image is not always the best image. The best image is the smallest file that still provides the quality customers need to make informed decisions.

How to Compress Images for Mobile Users

Mobile users often benefit significantly from image optimization. Mobile devices may use slower connections, limited data plans, or less powerful hardware. Large image files can therefore create a poor experience. One of the most effective techniques is to avoid delivering oversized images. A mobile device should not necessarily download the same large image intended for a desktop display. Responsive image techniques can help the browser choose a suitable image size. Compression is also important. Use efficient formats and appropriate quality settings. Avoid unnecessary decorative images when they do not provide meaningful value. Prioritize important visual content. Images that are immediately visible may deserve more attention than images that are far below the initial viewport. The objective is to reduce unnecessary data while maintaining a good visual experience. Mobile optimization should always be tested on real devices and different network conditions when possible.

How to Compress Images Online

Online image compression tools can make image optimization simple. The typical process is straightforward. Upload an image. Choose the desired output format or compression settings. Process the image. Download the optimized result. Online tools can be useful when you need to compress a small number of images quickly without installing software. They can support common formats such as PNG, JPG, JPEG, and WEBP depending on the tool. Before using an online service, consider the privacy requirements of your images. Do not upload sensitive or confidential images to a service unless you understand how the files are handled. For routine website assets, online compression can be a convenient solution. For large image libraries or automated workflows, desktop tools, command-line utilities, or server-side processing may be more appropriate. Regardless of the tool, always inspect the final output. Check file size. Check image quality. Check transparency. Check dimensions. The best compression tool is the one that fits your workflow and produces reliable results.

Common Image Compression Mistakes

One common mistake is compressing images without resizing them. If an image is much larger than necessary, compression alone may not solve the problem. Another mistake is using the wrong format. For example, storing every image as PNG can create unnecessarily large files when JPG or WEBP would be more appropriate. Over-compression is another problem. Reducing file size aggressively can create visible artifacts and reduce the quality of the user experience. Another mistake is repeatedly compressing the same image. Repeated lossy compression can gradually degrade quality. It is better to keep an original high-quality version and create optimized copies. Some website owners also focus exclusively on file format and ignore image dimensions. A perfectly optimized format can still be inefficient if the image contains far more pixels than necessary. Another common mistake is failing to test images on mobile devices. An image that looks good on a large monitor may not provide the same experience on a small screen. Finally, some websites optimize images once and never review them again. As new content is added, large and unoptimized images can accumulate. Image optimization should therefore be treated as an ongoing process.

Best Image Compression Strategy

A strong image compression strategy follows a clear sequence. First, identify the purpose of the image. Determine whether it is a photograph, screenshot, logo, illustration, product image, or decorative asset. Second, determine the required display dimensions. Do not deliver unnecessarily large images. Third, choose the most appropriate format. Consider JPG, PNG, WEBP, or SVG depending on the image. Fourth, select lossy or lossless compression. Use lossless compression when exact preservation is important. Use carefully controlled lossy compression when reducing file size is a priority. Fifth, adjust the quality settings. Compare multiple versions when necessary. Sixth, inspect the final output. Check visual quality, text readability, transparency, and file size. Seventh, implement appropriate delivery methods. Consider responsive images and suitable loading strategies. Finally, monitor the website over time. A good compression strategy is not about achieving the smallest file at any cost. It is about creating an efficient image that delivers the required quality with minimal unnecessary data.

Image Compression Methods Compared

Different compression methods are suitable for different situations. Lossy compression is usually best when achieving a significant reduction in file size is important. It is commonly useful for photographs and complex images. Lossless compression is preferable when exact image information needs to be preserved. It is often useful for screenshots, graphics, diagrams, and text-heavy images. Resizing is one of the most effective optimization techniques when images are oversized. Changing the format can also produce meaningful improvements. For example, converting a suitable PNG to WEBP may reduce file size. However, not every conversion will produce a dramatic improvement. Metadata removal can provide additional savings in some cases. Cropping unnecessary areas can also reduce file size. The best results usually come from combining several techniques. Resize the image. Choose the right format. Use appropriate compression. Remove unnecessary data. Deliver the correct dimensions to each device. This combined approach is usually more effective than relying on a single technique.

How to Choose the Best Compression Method

Choosing the best compression method starts with understanding the image. If the image is a photograph, consider JPG or WEBP with carefully controlled lossy compression. If the image contains text or sharp graphic details, consider PNG or lossless WEBP. If the image requires transparency, compare transparent PNG and transparent WEBP. If the artwork is vector-based, consider SVG. If the image is oversized, resize it before deciding on the final compression settings. If the image is intended for a modern website, prioritize efficient web delivery. If compatibility with older software is important, consider whether PNG or another widely supported format is more convenient. Always consider the final destination. An image intended for a website may require different optimization from an image intended for printing or professional editing. The best compression method is therefore determined by the image's purpose rather than by a single universal rule.

Image Compression Checklist

Before publishing an image, use the following checklist. Check whether the image dimensions are appropriate. Make sure the image is not unnecessarily large. Choose the correct format. Consider whether JPG, PNG, WEBP, or SVG is most appropriate. Choose lossy or lossless compression based on the image requirements. Adjust the quality settings carefully. Compare the final file size with the original. Inspect the visual quality. Check text readability if the image contains text. Check transparency if the image requires it. Keep the original high-quality version. Use responsive image techniques where appropriate. Consider loading behavior. Use meaningful filenames. Add appropriate alternative text. Test the image on mobile devices. Monitor website performance after optimization. Following these steps can help create a consistent image optimization workflow that balances quality and performance.

Frequently Asked Questions

Final Thoughts: Should You Convert PNG to JPG?

Compressing images without losing noticeable quality is one of the most effective ways to improve the efficiency of a modern website.

The goal is not simply to make every image as small as possible.

The goal is to find the right balance between file size, visual quality, dimensions, compatibility, and user experience.

Start by choosing the correct dimensions.

An image that is much larger than necessary can remain inefficient even when heavily compressed.

Next, select the appropriate format.

JPG can be effective for photographs.

PNG can be useful for lossless graphics, screenshots, and transparency.

WEBP provides flexible lossy and lossless compression and can be an efficient choice for many modern websites.

SVG can be excellent for suitable vector artwork.

Then choose the correct compression method.

Use lossless compression when preserving exact details is important.

Use carefully controlled lossy compression when reducing file size is a priority.

Always inspect the final image before publishing it.

Look for visible artifacts, blurry text, incorrect colors, or damaged transparency.

Keep your original high-quality files whenever possible.

Create optimized versions specifically for website delivery instead of repeatedly modifying the same compressed file.

Remember that image compression is only one part of image optimization.

A complete strategy should also include appropriate image dimensions, responsive delivery, efficient loading behavior, caching, accessibility, and regular performance monitoring.

For SEO and website performance, optimized images can help reduce unnecessary page weight and improve the overall user experience.

The most important principle is simple:

Use the smallest practical image file that still provides the quality your users need.

By combining the right format, dimensions, compression method, and delivery strategy, you can create faster websites without sacrificing the visual quality of your images.