HTML entity

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Revision as of 16:00, 3 May 2009 by Woozle (talk | contribs) (Standard ASCII in Entities: unified table; now covering 0-255)
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Overview

An HTML entity is a combination of characters which will be displayed within an HTML browser as a single character. All HTML entities begin with "&" (ampersand) and end with ";" (semicolon). Many entities have mnemonic names (such as "&", which displays an ampersand); any possible character can be displayed as an entity by using the format "&#number;" where number is the output character's ASCII value in decimal.

Reference

Questions

  • Does Google resolve html entities when indexing web pages? That is, if I spelled a word (e.g. "schmerglefrotz") entirely using html entities, would someone be able to find that page using google by typing "schmerglefrotz" (after the site had been spidered, of course)? (As a test, I will spell a completely different word using HTML entities, and try Googling it later: FRELGKLOTZ)
    • 2007-07-15 answer: Yes, it does find it (though it took several months at least before this page got indexed).

Standard ASCII in Entities

  • 0-8 are not translated
  • 9 is probably TAB
  • 10 is probably LF
  • 13 is probably CR
  • 14-31 are not translated
  • 32 is a standard space
standard extended
! ! A A a a   ¡ ¡ Á Á á á
" " B B b b ‚ ‚ ¢ ¢ Â Â â â
# # C C c c ƒ ƒ £ £ Ã Ã ã ã
$ $ D D d d „ „ ¤ ¤ Ä Ä ä ä
% % E E e e … … ¥ ¥ Å Å å å
& & & F F f f † † ¦ ¦ Æ Æ æ æ
' ' G G g g ‡ ‡ § § § Ç Ç æ æ
( ( H H h h ˆ ˆ ¨ ¨ È È ç ç
) ) I I i i ‰ ‰ © © © É É è è
* * J J j j Š Š ª ª Ê Ê é é
+ + K K k k ‹ ‹ « « Ë Ë ê ê
, , L L l l Œ Œ ¬ ¬ Ì Ì ë ë
- - M M m m   ­ ­ Í Í ì ì
. . N N n n Ž Ž ® ® Î Î í í
/ / O O o o   ¯ ¯ Ï Ï î î
0 0 P P p p   ° ° Ð Ð ï ï
1 1 Q Q q q ‘ ‘ ± ± Ñ Ñ ð ð
2 2 R R r r ’ ’ ² ² Ò Ò ñ ñ
3 3 S S s s “ “ ³ ³ Ó Ó ò ò
4 4 T T t t ” ” ´ ´ Ô Ô ó ó
5 5 U U u u • • µ µ Õ Õ ô ô
6 6 V V v v – – ¶ Ö Ö õ õ
7 7 W W w w — — · · × × ö ö
8 8 X X x x ˜ ˜ ¸ ¸ Ø Ø ÷ ÷
9 9 Y Y y y ™ ™ ™ ¹ ¹ Ù Ù ø ø
: : Z Z z z š š º º Ú Ú ù ù
; &#59; [ [ { { › › » » Û Û ú ú
< &#60; \ &#92; &#124; &#156; &#156; ¼ &#188; Ü &#220; û &#251;
= &#61; ] &#93; } &#125; &#157; &#157; ½ &#189; Ý &#221; ü &#252;
> &#62; ^ &#94; ~ &#126; &#158; &#158; ¾ &#190; Þ &#222; ý &#253;
? &#63; _ &#95; &#127; &#127; &#159; &#159; ¿ &#191; ß &#223; þ &#254;
@ &#64; ` &#96; &#128; &#128;   &#160; À &#192; à &#224; ÿ &#255;