Hi I know alt tags should be on an image, however at the moment I have 15,800 missing on the site, how important are these? It's a big project for someone to update & I need some justification Thanks طراحی سایت
its hard to say how important it is to you... Lets say I made money on my imagines, then I would say it would be very important to give each image an SEO Title as this can bring in organic traffic, but if this is not about money, then I do not know how important it would be for you....
If you want SE Crawlers or Spiders read your images and understand those images and about that then alt tags are important for you otherwise no issue. Hi kidzbyn How js code will help to this problem because different images required different alt tags like web designing require web designing and web development require web development.
Alt tag is an html attribute use on images for search engine purpose. On the other hand, it is not mainly important for search engines but most especially for visually impaired people. Alt tags will be very helpful.
The js code will take your photo's name and then change it to the alt of the photo. So it's not improve the rank of your photo but it can solve the missing alt
Alt tags are much important because search engine bots do index the alt tags in the images. You should give more than half a percent importance to alt tags which will surely help you improve search traffic in Google Images. For a same keyword you can rank your blog content in Google search and same article images in Google image. Do you know infographic helps a lot in ranking and thus it do use alt tags.