Image optimization is a fundamental practice for SEO. But, many peoples are ignore this essential practice. You may don’t know that Google image search is essential as the web search because it can also send targeted audience to your website. If you follow image optimization guidelines it will promote your website’s images in the image search result.
SEO image optimization guideline
Image optimization is not hard to achieve if you become sincere from the beginning. Here I am going to show you the critical point for Google image/text link guideline. So you can stick with it while updating your content or optimize your previous images.
Image optimization is an essential part of Google webmaster guideline, so they already provided the best practice for this. In this article, we will learn how to optimize images using PHP and WordPress platforms.
Technique-1: Using Alt tags:
Alt tags are an HTML attribute that is used to describe the image. Before add alt tags make sure that, it is more than one word and descriptive. So that, Google or other search engine crawlers can identify the picture and it’s category. Make a valuable post or page with an appropriate image and alt tag is a big tricks to gain a good quality of search traffics.
Technique-2: Use exact size and lossless image:
Page loading time is a significant factor for SEO. So if you need 300px to 500px image don’t use the bigger one for that. Also, the file size is an essential matter here. Because, if you use a big size image your file size will be increased as well. You may define the width and height, but it only lets the browser resize your image. First, it takes time to load the big file, and then the browser resizes it.
So, before uploading an image make sure to pass the optimization process and pick the exact size. You can use free tools such as Google photo editor (https://photos.google.com/) or Image Optimizer (http://tools.dynamicdrive.com/imageoptimizer/) for this purpose.
Technique-3: Image Name:
Some Content Management systems can automatically detect the file URL from the filename. So, while you save or download your image for any posts, make sure to give an exact and meaningful name. You may put the keywords in the filename of the image file. This way you can get the search rank and visibility in search engine. For example, if you post a picture of a baby that playing in the park and you want to rank for “play in the park,” you can rename the file name as well. For WordPress, it is an excellent technique. Because WordPress uses the filename for creating file URL. And in some cases also define alt tags as the file name. So, it can solve a lot of SEO matters within munites.
Technique-4. Using a caption:
Give a good caption to the image is not visibly crucial for SEO, but it can bring a positive impact indirectly. A good caption can drive the actual visitor who is looking for this type of content. However, targeted visitor helps to reduce the bounce rate of a website which sends a good signal for ranking a page.
Technique-5. Limit the picture:
limit the number of the image is an excellent trick to speed up the written content of a website. Avoid using a picture, when you can manage it by web font or icons. For example, you can use web font for social media and search icons.
Technique-6. Keep an eye on image quality and purpose:
Make sure about the meaning of the image and what kind of image will do the best. You can use JPG, PNG, or GIF format, but make sure that, they works best with your content and also nicely visible and pleasent to look. If you need an animated image, you can use GIF, JPG XR, or WebP format. If you need to preserve fine details of the image and highest resolution you can use PNG format. If you want to use JPG format you either experiment with the pixels or other quality settings that matter for the picture quality. Whatever you use, pick the exact size that represents your visual nicely and smoothly.
Technique-7. Using Image Sitemap:
Generate an image sitemap and submit it to the search engine. You can do this by using Google webmaster and Bing webmaster tools. Include your image sitemap to Google analytics too. It will help the crawler to find all images and sorting them under the specific category by keyword, URL, name, and other details.
These are the important factor for website image optimization for SEO. However, you can follow the other important guideline such as Metadata and keywords to rank your website images higher in the search result. If you need any help with your website SEO or image optimization, please feel free to contact us. We will help you to optimize your website for the best result.