What makes a website search engine-friendly?

[Mikky004]

Hi Guys,
I have one important question and need prompt and detailed answered please.
What makes a website search engine-friendly?
Thanks in advance.

[jane1]

Its good page download speed, lovely design, optimized images/content, sitemap, good information and its regular update makes a site search engine friendly.

[Fadia Sheetal]

Website speed, uses image ans video and the most important is its design make a website search engine friendly.