Remember that context is essential for search engines, so be specific and use relevant keywords.
For example, if you are writing a post about "Seeking Alpha " and you have an image of a stock chart, name it psychiatrist email database instead of
Alternative text
Alternative text is what appears when an image fails to load or if a user is using assistive technologies.
This text should accurately describe the content of the article and include relevant keywords.
Remember to keep it concise and descriptive, with a maximum of 125 characters.
Avoid keyword stuffing or using generic phrases like "photo of" or "235."
Instead, be specific and use relevant keywords to accurately describe the image.
For example, if you have a photo of a cat playing with a ball, the alt text could be "Gray cat playing with a red ball" instead of "Photo of a cat playing."
Photo caption
The caption is optional, but can provide additional contextual information.
It appears below the image and must accurately describe it.
Use natural language and relevant keywords in your caption to help search engines understand your content.
Image caption - use natural language and relevant keywords
Do not use generic phrases such as "Photo of" or "Image of".
Instead, be specific and use relevant keywords to accurately describe it.
For example, if you have a picture of a family hiking in the mountains, the caption could be “Family enjoying a hike in the mountains” instead of “Picture of a family hiking.” This provides more context and helps with search engine optimization.
Format
Make sure to use supported formats, such as JPG, PNG, or GIF.
Avoid using BMP or TIFF, which can create larger file sizes and potentially slow down your website's loading time.
If you have any questions, here is a list of supported image formats that Google can read.