Map Projections EPSG: 3857 & 4326 | web mapping basics

Do you want to know about map projection codes like EPSG:3857 and 4326? What is the difference between them? How do I convert between them? Search EPSG.io: Coordinate Systems Worldwide and learn:
► which reference systems are best for an area
► the code and attributes for each reference system
► conversions available to other reference systems
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Watch other episodes in the series here:    • Web Mapping Basics  

In this video:
0:00 Where to find EPSG codes
1:14 The most common projection for web maps
1:45 projection for globe textures
2:09 Why is there, not an ideal map projection?
3:06 How to change Eart to a ball?
3:15 Map datum
3:39 WGS 84 NAD 83 and ETRS
4:25 Map projection
5:30 How can you find specific map projection
5:45 Summary of why we have map projections

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