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Best Practices in building and maintaining web sites

Question Use Case: Perfect Image sizes for both visitors and #SEO

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4 years 9 months ago #1239 by Ruud van Lent

When you display an image on a blog or webpage, should it have a high resolution for large desktop views or are you better of with a small resolution for on mobile devices? What is the impact of the image size on #SEO? Loading a large image and then down scaling it on smaller devices is not good and will impact your page speed and #SEO ranking negatively. What is the best solution here? What is the best average image size to use that will suit all situations?

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4 years 9 months ago #1240 by Alison Meeks
Nice!
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4 years 9 months ago #1241 by Ruud van Lent
I know :)
created this one initially for my own blog site where people where uploading their pictures from their camera (5mb each) and then setting a width to fit them in the blog... that would be 5MB of overhead on the page. So in my role as editor i was always busy resizing these images...

Now they can just upload whatever they want and ochResponsiveImages resizes automatically to the breakpoints configured (aligned with my template): this is just a configure and forget plugin.

last week was asked by a user who wanted to resize all images in 1000+ articles: 'Can you create a script for that'.

by using this plugin I once again realise how powerful and time saving it is. if breakpoints change in the future, just adjust them and that's it: new images are automatically created and img src-sets are adjusted.

there are some editor plugin out there that will create the src-set and separate image files when uploading an image, but that will only work when uploading: When you want to change 1000+ articles, you need to redo them all again

love it...

O and as a bonus: you can also add a lazy load element attribute to the images, a native one, so not JavaScript overhead, but browser native lazy loading! This is a new browser feature rolling out to all popular browsers currently: Google will love you for implementing it this way!!