Images, images, or photos included in writing can improve SEO if optimized. The following tips contain how to optimize (optimization) images to improve SEO blog posts.
5 Ways to Optimize Images to Improve SEO Blog Posts
INCLUDING images (images) in the form of photos or illustrations in blog posts commonly carried out by bloggers.

However, not all bloggers do image optimization (image optimization) that they upload for the benefit of blog SEO.

Image optimization is one of the basic seo in terms of onpage optimization (onpage optimization). Onpage Optimization itself is a pillar of SEO Blog to increase traffic or blog visitors.

This post is to "complement" the previous post about the Right Size of Photos for Blogs.

How to Implement SEO for Post Images
Here are 5 ways to optimize the image to support the SEO blog posts that are me sadur from the Hostgator page and the Google Search Engine Optimization Guide.

1. Relevant Image (Image Relevance)
The images (photos / illustrations) that we upload to enhance and strengthen the post should be images that are relevant to the topic or content of the writing.

Post about HandPhone, for example, don't even give a picture of a beautiful woman, unless the girl holds a cellphone :)

2. Alternative tags (Alt tags)
The alternative tag is the text "alternate text" which will show the cursor directed to the image and / or appear when the image does not appear on the user's monitor screen. Alt tags will also appear first if loading images is slow.

This Alt tag will also inform search engines that there is an image there. If the image doesn't appear for one reason or another, the search engine will still index it thanks to this alt tag.

Image illustrations in this post, for example, are given the Alt Tag "image for SEO blog" with the Title "Image Properties Blog".

How to make an Alt Tag image on a blogspot blog, after the image has been uploaded, click the image once, then click the "properties" menu and two "Title Text" columns and "Alt Text" will appear.

Please fill in the title and alternative text relevant to the writing.
Alt Tag image
Code 'Title & Alt Text Image Properties' is Automatic
There is a question in the comment: "if the title is filled automatically according to the article title, how about bro ...? So that I don't get tired of filling it every week. I often forget the contents".

The answer, install the code / script, but it is not recommended, because it still does not add to the image.

The automatic code for the title & alt text referred to below is stored above the code </ body>
<script type = 'text / javascript'>
// <! [CDATA [
$ (document) .ready (function () {
$ ('img'). each (function () {
var $ img = $ (this);
var filename = $ img.attr ('src')
$ img.attr ('alt', filename.substring ((filename.lastIndexOf ('/')) + 1, filename.lastIndexOf ('.')));
</ script>
<script type = 'text / javascript'>
// <! [CDATA [
$ (document) .ready (function () {
$ ('img'). each (function () {
var $ img = $ (this);
var filename = $ img.attr ('src')
$ img.attr ('title', filename.substring ((filename.lastIndexOf ('/')) + 1, filename.lastIndexOf ('.')));
</ script>
3. Image Size (Image Size)
Image size is very important for SEO, which involves loading or viewing speed of the blog. me has discussed it in posting the Right Photo Size for Blogs.

Image size can affect SEO ranking.
In addition, the location of image hosting also determines. Best of all, the image is uploaded by itself, not by the URL link.

4. File Name (File name)
Just as important keywords are in the url (permalink), keywords are also important in the picture. So, give a name to your image file. Image file names should be relevant to posts and contain keywords.

If your original image (photo) file is named DSC0001.jpg for example, change it to, for example, "steve-jobs-on-the-launching-of-iphone.jpg". Key words separated by hypen or dash (-).

5. Title Tags and Image Links (Title Tag and image linking)
In addition to being given a file name, the image should also be given a title (Title Tag), as already provided by the blogger column.

Use relevant keywords. The image link problem is set by Blogger. The Image Linking point applies to Wordpress blogs.

Thus 5 Ways to Optimize Images to Improve SEO Blog Posts.

Google guide
In line with the five SEO tips above, the following guide excerpt optimizes images from Google.
Using the "alt" attribute

Give a descriptive file name and description of the alt attribute for the image. The "alt" attribute allows you to specify alternative text for images.

Optimizing image file names and alt text will make it easier to image search projects like Google Images to better understand your images.

Use short but descriptive file names and alt text
Short but descriptive file names and alt texts are the most appropriate choice.
Use the standard image format

Use common file types supported - Some browsers support JPEG, GIF, PNG, BMP and WebP image formats. You should have an extension of the file name that matches the file type.

Use generic file names like "image1.jpg", "pic.gif", "1.jpg" if possible — if your site has thousands of images, you should name the image automatically.
  1. Very long file names.
  2. Use too many keywords in alt text or copy-paste all sentences.
  3. Use alt text when using images as links
Conclusion, when preparing and inserting images / photos into writing, make sure the image you uploaded is:
  1. Use file names according to the image.
  2. File size is light.
  3. Fill in the alt image properties and title text
Good Luck & Happy Blogging