There is more to images optimization than just filling out the alt tag.
Image Optimization is one of the best ways to get good organic traffic to your website. According to MOZ, image search would represent 27% of all queries. While searching for anything you might have seen an image in SERP of Google. Also, many people use Google Image search to get the perfect matched answer for their queries.
According to Moz, after Google’s text search Google Image search is the second highest used search engine for any queries in the US. So, to optimize images properly you should have to do a few things.
Why should we do Image SEO?
Before jumping to how to do image SEO lets talk about why should we do images SEO.
Do you want to generate traffic to your website from images?
Let’s establish the goal of why you are reading this topic. Images are very much responsible for page ranking and traffic to the page. You want the images on the website to rank in Google image search.
If you are a tech-savvy person and possess knowledge about web technology then the below checklist is sufficient for you to optimize your images.
Image SEO Checklist.
- Keyword for the page
- Image filename
- Image format
- Image title
- Image Alt text
- Caption for the image
- Image file size
- Image XML sitemap
- Images Metatags
- Use responsive images
- Image Structure data
- Use CDN for content delivery.
- Make sure images are not standalone pages.
Now we are going to discuss the above topic in detail and will try to understand how the above steps work.
1. Keyword for the page
The targeting keyword for the page must be defined prior to the image optimization.
2. Image filename
All the fines to be names properly. The name of the image should clearly define what the image is about. This helps search engines identify the image properly.
3. Image format
Image format size and compression play a very powerful role in the way images are loaded on the website. Even though .gif images can animate but it can be larger in size.
Famous images format used on web
GIF (Graphics Interchange Format): This is an old low-color image format, common on the web. It is suitable for simple graphics such as drawings, logos, and icons. A GIF can be animated.
PNG (Portable Network Graphics): This is another common web format. Especially suitable for web use are its compression ratio (except for photos) and transparency features.
JPEG (Joint Photographic Experts Group): This is the common format for photos. This is best suited for web-based images.
4. Image file size
Page ranking depends a lot on the page speed. Page ranking depends a lot on the page speed. A file size below 80 kb is what you should be targeting. If you have heavy files closer to around 300 kb, the best you can obtain is a 100 kb file size.
5. Image title
Image title can also be added to the image. The text you enter in the title tag will not be displayed to the user when an image cannot be presented. Instead, it is displayed in a popup whenever a user scrolls their mouse over an image
6. Image Alt text
This is the most important aspect of image SEO. Image alt text represents the image textually so that search engines and screen readers can easily understand what the image is. Using alt text in the right way can help your SEO.
7. Caption for the image
The caption is a small text written below the image or the text that accompanies the image on that page
8. Image XML sitemap
It is just like how we create a sitemap for a website. XML sitemaps provide search engines a reliable list of the URLs on a site.
9. Images Metatags
With Meta Tags, you can edit and keep experimenting with your content and preview how your webpage will look on major search engines like Google, Facebook, Twitter and many more
10. Use responsive images
Today as the world is accessing the web with screen of different sizes. Images must have the
srcset attribute, so that it can serve a different image per screen width
11. Image Structure data
If you add structured data on a page, Google Images will display the images as rich results. They are highlighted with a badge so that the users will know that your website carries relevant information
Adding open graph tags will influence the performance of your links on social media.
13. Use CDN for content delivery.
A global CDN network will let you produce rich content hosted on-premise or in the cloud. It provides excellent availability and performance
14.Make sure images are not standalone pages.
Standalone Pages are individual and drive pages to direct traffic. You can keep them separately and make use of other mediums to drive traffic to the standalone pages.
Now that you know the ways to optimize your image and generate traffic, you are all set. All the Best!