1. cssimportrule api: href

2. htmlanchorelement api: href

3. htmlanchorelement api: hreflang

4. htmlareaelement api: href

5. htmlbaseelement api: href

6. htmllinkelement api: href

7. htmllinkelement api: hreflang

8. location api: href

9. stylesheet api: href

10. svgaelement api: href

11. svgaelement api: hreflang

12. svgfeimageelement api: href

13. svgfilterelement api: href

14. svggradientelement api: href

15. svgimageelement api: href

16. svgmpathelement api: href

17. svgpatternelement api: href

18. svgscriptelement api: href

19. svgtextpathelement api: href

20. svguseelement api: href

21. url api: href

22. workerlocation api: href

23. html element: area: href

24. html element: a: href

25. html element: a: hreflang

26. html element: a: href: `href = 'sms:'`

27. html element: a: href: `href = '#top'`

28. html element: base: href

29. html element: base: href: `data:` and `javascript:` urls are not allowed

30. html element: base: href: relative uris.

31. html element: link: href

32. html element: link: hreflang

33. svg element: a: href

34. svg element: a: hreflang

35. svg element: a: `xlink:href`

36. svg element: cursor: href

37. svg element: cursor: `xlink:href`

38. svg element: feimage: href

39. svg element: feimage: `xlink:href`

40. svg element: filter: `xlink:href`

41. svg element: image: `xlink:href`

42. svg element: mpath: `xlink:href`

43. svg element: pattern: href

44. svg element: radialgradient: href

45. svg element: script: xlink:href

46. svg element: textpath: href

47. svg element: tref: `xlink:href`

48. svg element: use: href

49. svg element: use: `xlink:href`

50. global_attributes: href