Photos from digital cameras should always be resized to optimize their file size before uploading them to your blog.
Why? Our digital cameras are designed to produce good quality photos for printing but aren’t optimal size for the web.
Reasons To Optimize Photo Size
Optimizing the file size of your photos before uploading to a post does three things:
- It means your photos upload quicker (and easier).
- Your pages load faster for visitors to your blog.
- You can upload more photo — lots of photo uploaded without resizing can quickly use up storage space before you know it!
Making an image smaller once you’ve uploaded it to a post doesn’t make the file size smaller.
If you don’t believe me — right click on both of the photos below and select Properties (for Internet Explorer) or View Image Info (for FireFox) to check their image size.
Here’s the original photo
Around 2.6 MB in size!
Below is the same photo resized to 450 pixels wide
Now 162 KB!
There’s no real difference!
But the bottom photo still looks good online and is 16% of the original size.
How To Optimize Image Size
The simplest option is to resize your photo to a width that works well with your theme using either:
1. On A Mac use Preview and save as a JPEG with quality at or below middle (tip courtesy of Alan Levine).
2. Picture Manager (PC) – Microsoft Office > Microsoft Office Tools
Ideal image size for common themes is 450 pixels wide.
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