All <img>/<object> tags have:

<img> <object> <iframe> <embed>
<svg> w/h=200/200 and viewBox=0 0 200 200: <svg> w/h=200/200 and viewBox=0 0 200 200: <svg> w/h=200/200 and viewBox=0 0 200 200: <svg> w/h=200/200 and viewBox=0 0 200 200:
<svg> w/h=200/200 and no viewBox: <svg> w/h=200/200 and no viewBox: <svg> w/h=200/200 and no viewBox: <svg> w/h=200/200 and no viewBox:
<svg> w/h=100%/100% and viewBox=0 0 200 200: <svg> w/h=100%/100% and viewBox=0 0 200 200: <svg> w/h=100%/100% and viewBox=0 0 200 200: <svg> w/h=100%/100% and viewBox=0 0 200 200:
<svg> w/h=100%/100% and no viewBox: <svg> w/h=100%/100% and no viewBox: <svg> w/h=100%/100% and no viewBox: <svg> w/h=100%/100% and no viewBox: