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---
title: "Salt - Glossary | MDN"
chunk: 2/3
source: "https://developer.mozilla.org/en-US/docs/Glossary/Salt"
category: "reference"
tags: "web, html, css, javascript, documentation"
date_saved: "2026-05-05T05:44:26.461569+00:00"
instance: "kb-cron"
---
# Salt
In cryptography, **salt** is random data added to a password before it is [hashed](https://developer.mozilla.org/en-US/docs/Glossary/Hash_function). This makes it impossible for an attacker to derive passwords from their hashes using precomputed tables of passwords and the corresponding hashes. Passwords should never be stored in their plaintext form, because of the risk that an attacker might break into the database where they are stored. Typically, the password is hashed, and the resulting hash is stored. If the hash function is cryptographically secure, then even if an attacker can get access to the stored hashes, it is impractical for them to reverse the function. To derive a password from a hash, attackers can look up the password corresponding to a hash in a precomputed table (also known as a [rainbow table](https://en.wikipedia.org/wiki/Rainbow_table)) mapping possible passwords to their hashes:
| Password | Hash |
| --- | --- |
| pa55w0rd | 56965E2A... |
| abcdef | BEF57EC7... |
| letmein | 1C8BFE8F... |
Although these tables may be very large, such attacks can be effective because table lookup is a fast operation. Adding random salt to passwords before hashing them stops this attack from working because the hash is not calculated based on the password alone but on the password combined with the salt. Unlike the password, the salt does not need to be kept secret: it can be stored alongside the salted and hashed password in the server's database. ## Help improve MDN
[Learn how to contribute](https://developer.mozilla.org/en-US/docs/MDN/Community/Getting_started)
This page was last modified on Jul 11, 2025 by [MDN contributors](https://developer.mozilla.org/en-US/docs/Glossary/Salt/contributors.txt). [View this page on GitHub](https://github.com/mdn/content/blob/main/files/en-us/glossary/salt/index.md?plain=1 "Folder: en-us/glossary/salt \(Opens in a new tab\)") • [Report a problem with this content](https://github.com/mdn/content/issues/new?template=page-report.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FGlossary%2FSalt&metadata=%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EPage+report+details%3C%2Fsummary%3E%0A%0A*+Folder%3A+%60en-us%2Fglossary%2Fsalt%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FGlossary%2FSalt%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fblob%2Fmain%2Ffiles%2Fen-us%2Fglossary%2Fsalt%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fcommit%2F2547f622337d6cbf8c3794776b17ed377d6aad57%0A*+Document+last+modified%3A+2025-07-11T14%3A45%3A59.000Z%0A%0A%3C%2Fdetails%3E "This will take you to GitHub to file a new issue.")
1. [Glossary](https://developer.mozilla.org/en-US/docs/Glossary)
2. 1. [Abstraction](https://developer.mozilla.org/en-US/docs/Glossary/Abstraction)
2. [Accent](https://developer.mozilla.org/en-US/docs/Glossary/Accent)
3. [Accessibility](https://developer.mozilla.org/en-US/docs/Glossary/Accessibility)
4. [Accessibility tree](https://developer.mozilla.org/en-US/docs/Glossary/Accessibility_tree)
5. [Accessible description](https://developer.mozilla.org/en-US/docs/Glossary/Accessible_description)
6. [Accessible name](https://developer.mozilla.org/en-US/docs/Glossary/Accessible_name)
7. [Adobe Flash](https://developer.mozilla.org/en-US/docs/Glossary/Adobe_Flash)
8. [Advance measure](https://developer.mozilla.org/en-US/docs/Glossary/Advance_measure)
9. [Ajax](https://developer.mozilla.org/en-US/docs/Glossary/AJAX)
10. [Algorithm](https://developer.mozilla.org/en-US/docs/Glossary/Algorithm)
11. [Alignment container](https://developer.mozilla.org/en-US/docs/Glossary/Alignment_Container)
12. [Alignment subject](https://developer.mozilla.org/en-US/docs/Glossary/Alignment_Subject)
13. [Alpha (alpha channel)](https://developer.mozilla.org/en-US/docs/Glossary/Alpha)
14. [ALPN](https://developer.mozilla.org/en-US/docs/Glossary/ALPN)
15. [API](https://developer.mozilla.org/en-US/docs/Glossary/API)
16. [Apple Safari](https://developer.mozilla.org/en-US/docs/Glossary/Apple_Safari)
17. [Application context](https://developer.mozilla.org/en-US/docs/Glossary/Application_context)
18. [Argument](https://developer.mozilla.org/en-US/docs/Glossary/Argument)
19. [ARIA](https://developer.mozilla.org/en-US/docs/Glossary/ARIA)
20. [ARPA](https://developer.mozilla.org/en-US/docs/Glossary/ARPA)
21. [ARPANET](https://developer.mozilla.org/en-US/docs/Glossary/Arpanet)
22. [Array](https://developer.mozilla.org/en-US/docs/Glossary/Array)
23. [ASCII](https://developer.mozilla.org/en-US/docs/Glossary/ASCII)
24. [Aspect ratio](https://developer.mozilla.org/en-US/docs/Glossary/Aspect_ratio)
25. [Asynchronous](https://developer.mozilla.org/en-US/docs/Glossary/Asynchronous)
26. [ATAG](https://developer.mozilla.org/en-US/docs/Glossary/ATAG)
27. [Attribute](https://developer.mozilla.org/en-US/docs/Glossary/Attribute)
28. [Authentication](https://developer.mozilla.org/en-US/docs/Glossary/Authentication)
29. [Authenticator](https://developer.mozilla.org/en-US/docs/Glossary/Authenticator)
30. [Bandwidth](https://developer.mozilla.org/en-US/docs/Glossary/Bandwidth)
31. [Base64](https://developer.mozilla.org/en-US/docs/Glossary/Base64)
32. [Baseline](https://developer.mozilla.org/en-US/docs/Glossary/Baseline)
1. [Baseline (compatibility)](https://developer.mozilla.org/en-US/docs/Glossary/Baseline/Compatibility)
2. [Baseline (typography)](https://developer.mozilla.org/en-US/docs/Glossary/Baseline/Typography)
33. [BCP 47 language tag](https://developer.mozilla.org/en-US/docs/Glossary/BCP_47_language_tag)
34. [Beacon](https://developer.mozilla.org/en-US/docs/Glossary/Beacon)
35. [Bézier curve](https://developer.mozilla.org/en-US/docs/Glossary/Bezier_curve)
36. [bfcache](https://developer.mozilla.org/en-US/docs/Glossary/bfcache)
37. [BiDi](https://developer.mozilla.org/en-US/docs/Glossary/BiDi)
38. [BigInt](https://developer.mozilla.org/en-US/docs/Glossary/BigInt)
39. [Binding](https://developer.mozilla.org/en-US/docs/Glossary/Binding)
40. [Bitwise flags](https://developer.mozilla.org/en-US/docs/Glossary/Bitwise_flags)
41. [Blink](https://developer.mozilla.org/en-US/docs/Glossary/Blink)
42. [blink element (<blink> tag)](https://developer.mozilla.org/en-US/docs/Glossary/blink_element)
43. [Block](https://developer.mozilla.org/en-US/docs/Glossary/Block)
1. [Block (CSS)](https://developer.mozilla.org/en-US/docs/Glossary/Block/CSS)
2. [Block (scripting)](https://developer.mozilla.org/en-US/docs/Glossary/Block/Scripting)
44. [Block cipher mode of operation](https://developer.mozilla.org/en-US/docs/Glossary/Block_cipher_mode_of_operation)
45. [Block-level content](https://developer.mozilla.org/en-US/docs/Glossary/Block-level_content)
46. [Boolean](https://developer.mozilla.org/en-US/docs/Glossary/Boolean)
1. [Boolean (JavaScript)](https://developer.mozilla.org/en-US/docs/Glossary/Boolean/JavaScript)
2. [Boolean attribute (ARIA)](https://developer.mozilla.org/en-US/docs/Glossary/Boolean/ARIA)
3. [Boolean attribute (HTML)](https://developer.mozilla.org/en-US/docs/Glossary/Boolean/HTML)
47. [Bounding box](https://developer.mozilla.org/en-US/docs/Glossary/Bounding_box)
48. [Breadcrumb](https://developer.mozilla.org/en-US/docs/Glossary/Breadcrumb)
49. [Brotli compression](https://developer.mozilla.org/en-US/docs/Glossary/Brotli_compression)
50. [Browser](https://developer.mozilla.org/en-US/docs/Glossary/Browser)
51. [Browsing context](https://developer.mozilla.org/en-US/docs/Glossary/Browsing_context)
52. [Buffer](https://developer.mozilla.org/en-US/docs/Glossary/Buffer)
53. [Bun](https://developer.mozilla.org/en-US/docs/Glossary/Bun)
54. [Cache](https://developer.mozilla.org/en-US/docs/Glossary/Cache)
55. [Cacheable](https://developer.mozilla.org/en-US/docs/Glossary/Cacheable)
56. [CalDAV](https://developer.mozilla.org/en-US/docs/Glossary/CalDAV)
57. [Call stack](https://developer.mozilla.org/en-US/docs/Glossary/Call_stack)
58. [Callback function](https://developer.mozilla.org/en-US/docs/Glossary/Callback_function)
59. [Camel case](https://developer.mozilla.org/en-US/docs/Glossary/Camel_case)
60. [Canonical order](https://developer.mozilla.org/en-US/docs/Glossary/Canonical_order)
61. [Canvas](https://developer.mozilla.org/en-US/docs/Glossary/Canvas)
62. [Card sorting](https://developer.mozilla.org/en-US/docs/Glossary/Card_sorting)
63. [CardDAV](https://developer.mozilla.org/en-US/docs/Glossary/CardDAV)
64. [Caret](https://developer.mozilla.org/en-US/docs/Glossary/Caret)
65. [CDN](https://developer.mozilla.org/en-US/docs/Glossary/CDN)
66. [Certificate authority](https://developer.mozilla.org/en-US/docs/Glossary/Certificate_authority)
67. [Certified](https://developer.mozilla.org/en-US/docs/Glossary/Certified)
68. [Challenge-response authentication](https://developer.mozilla.org/en-US/docs/Glossary/Challenge)
69. [Character](https://developer.mozilla.org/en-US/docs/Glossary/Character)
70. [Character encoding](https://developer.mozilla.org/en-US/docs/Glossary/Character_encoding)
71. [Character reference](https://developer.mozilla.org/en-US/docs/Glossary/Character_reference)
72. [Character set](https://developer.mozilla.org/en-US/docs/Glossary/Character_set)
73. [Chrome](https://developer.mozilla.org/en-US/docs/Glossary/Chrome)
74. [CIA](https://developer.mozilla.org/en-US/docs/Glossary/CIA)
75. [Cipher](https://developer.mozilla.org/en-US/docs/Glossary/Cipher)
76. [Cipher suite](https://developer.mozilla.org/en-US/docs/Glossary/Cipher_suite)
77. [Ciphertext](https://developer.mozilla.org/en-US/docs/Glossary/Ciphertext)
78. [Class](https://developer.mozilla.org/en-US/docs/Glossary/Class)
79. [Client-side rendering (CSR)](https://developer.mozilla.org/en-US/docs/Glossary/CSR)
80. [Closure](https://developer.mozilla.org/en-US/docs/Glossary/Closure)
81. [Cloud](https://developer.mozilla.org/en-US/docs/Glossary/Cloud)
82. [Cloud computing](https://developer.mozilla.org/en-US/docs/Glossary/Cloud_computing)
83. [CMS](https://developer.mozilla.org/en-US/docs/Glossary/CMS)
84. [Code point](https://developer.mozilla.org/en-US/docs/Glossary/Code_point)
85. [Code splitting](https://developer.mozilla.org/en-US/docs/Glossary/Code_splitting)
86. [Code unit](https://developer.mozilla.org/en-US/docs/Glossary/Code_unit)
87. [Codec](https://developer.mozilla.org/en-US/docs/Glossary/Codec)
88. [Color space](https://developer.mozilla.org/en-US/docs/Glossary/Color_space)
89. [Color wheel](https://developer.mozilla.org/en-US/docs/Glossary/Color_wheel)
90. [Compile](https://developer.mozilla.org/en-US/docs/Glossary/Compile)
91. [Compile time](https://developer.mozilla.org/en-US/docs/Glossary/Compile_time)
92. [Composite operation](https://developer.mozilla.org/en-US/docs/Glossary/Composite_operation)
93. [Compression Dictionary Transport](https://developer.mozilla.org/en-US/docs/Glossary/Compression_dictionary_transport)
94. [Computer programming](https://developer.mozilla.org/en-US/docs/Glossary/Computer_Programming)
95. [Conditional](https://developer.mozilla.org/en-US/docs/Glossary/Conditional)
96. [Constant](https://developer.mozilla.org/en-US/docs/Glossary/Constant)
97. [Constructor](https://developer.mozilla.org/en-US/docs/Glossary/Constructor)
98. [Content header](https://developer.mozilla.org/en-US/docs/Glossary/Content_header)
99. [Continuous integration](https://developer.mozilla.org/en-US/docs/Glossary/Continuous_integration)
100. [Continuous media](https://developer.mozilla.org/en-US/docs/Glossary/Continuous_Media)
101. [Control flow](https://developer.mozilla.org/en-US/docs/Glossary/Control_flow)
102. [Cookie](https://developer.mozilla.org/en-US/docs/Glossary/Cookie)
103. [Copyleft](https://developer.mozilla.org/en-US/docs/Glossary/Copyleft)
104. [CORS](https://developer.mozilla.org/en-US/docs/Glossary/CORS)
105. [CORS-safelisted request header](https://developer.mozilla.org/en-US/docs/Glossary/CORS-safelisted_request_header)
106. [CORS-safelisted response header](https://developer.mozilla.org/en-US/docs/Glossary/CORS-safelisted_response_header)
107. [Crawler](https://developer.mozilla.org/en-US/docs/Glossary/Crawler)
108. [Credential](https://developer.mozilla.org/en-US/docs/Glossary/Credential)
109. [CRLF](https://developer.mozilla.org/en-US/docs/Glossary/CRLF)
110. [Cross Axis](https://developer.mozilla.org/en-US/docs/Glossary/Cross_Axis)
111. [Cross-site request forgery (CSRF)](https://developer.mozilla.org/en-US/docs/Glossary/CSRF)
112. [Cross-site scripting (XSS)](https://developer.mozilla.org/en-US/docs/Glossary/Cross-site_scripting)
113. [CRUD](https://developer.mozilla.org/en-US/docs/Glossary/CRUD)
114. [Cryptanalysis](https://developer.mozilla.org/en-US/docs/Glossary/Cryptanalysis)
115. [Cryptography](https://developer.mozilla.org/en-US/docs/Glossary/Cryptography)
116. [CSP](https://developer.mozilla.org/en-US/docs/Glossary/CSP)
117. [CSS](https://developer.mozilla.org/en-US/docs/Glossary/CSS)
118. [CSS Object Model (CSSOM)](https://developer.mozilla.org/en-US/docs/Glossary/CSSOM)
119. [CSS pixel](https://developer.mozilla.org/en-US/docs/Glossary/CSS_pixel)
120. [CSS preprocessor](https://developer.mozilla.org/en-US/docs/Glossary/CSS_preprocessor)
121. [Cumulative Layout Shift (CLS)](https://developer.mozilla.org/en-US/docs/Glossary/CLS)
122. [Data structure](https://developer.mozilla.org/en-US/docs/Glossary/Data_structure)
123. [Database](https://developer.mozilla.org/en-US/docs/Glossary/Database)
124. [Debounce](https://developer.mozilla.org/en-US/docs/Glossary/Debounce)
125. [Decryption](https://developer.mozilla.org/en-US/docs/Glossary/Decryption)
126. [Deep copy](https://developer.mozilla.org/en-US/docs/Glossary/Deep_copy)
127. [Delta](https://developer.mozilla.org/en-US/docs/Glossary/Delta)
128. [Denial of Service (DoS)](https://developer.mozilla.org/en-US/docs/Glossary/Denial_of_Service)
129. [Deno](https://developer.mozilla.org/en-US/docs/Glossary/Deno)
130. [Descriptor (CSS)](https://developer.mozilla.org/en-US/docs/Glossary/CSS_Descriptor)
131. [Deserialization](https://developer.mozilla.org/en-US/docs/Glossary/Deserialization)
132. [Developer tools](https://developer.mozilla.org/en-US/docs/Glossary/Developer_Tools)
133. [Device pixel](https://developer.mozilla.org/en-US/docs/Glossary/Device_pixel)
134. [Digital certificate](https://developer.mozilla.org/en-US/docs/Glossary/Digital_certificate)
135. [Digital signature](https://developer.mozilla.org/en-US/docs/Glossary/Digital_signature)
136. [Distributed Denial of Service (DDoS)](https://developer.mozilla.org/en-US/docs/Glossary/Distributed_Denial_of_Service)
137. [DMZ](https://developer.mozilla.org/en-US/docs/Glossary/DMZ)
138. [DNS](https://developer.mozilla.org/en-US/docs/Glossary/DNS)
139. [Doctype](https://developer.mozilla.org/en-US/docs/Glossary/Doctype)
140. [Document directive](https://developer.mozilla.org/en-US/docs/Glossary/Document_directive)
141. [Document environment](https://developer.mozilla.org/en-US/docs/Glossary/Document_environment)
142. [DOM (Document Object Model)](https://developer.mozilla.org/en-US/docs/Glossary/DOM)
143. [Domain](https://developer.mozilla.org/en-US/docs/Glossary/Domain)
144. [Domain name](https://developer.mozilla.org/en-US/docs/Glossary/Domain_name)
145. [Domain sharding](https://developer.mozilla.org/en-US/docs/Glossary/Domain_sharding)
146. [Dominator](https://developer.mozilla.org/en-US/docs/Glossary/Dominator)
147. [DSL](https://developer.mozilla.org/en-US/docs/Glossary/DSL)
1. [DSL (Digital Subscriber Line)](https://developer.mozilla.org/en-US/docs/Glossary/DSL/Digital_subscriber_line)
2. [DSL (Domain-Specific Language)](https://developer.mozilla.org/en-US/docs/Glossary/DSL/Domain_specific_language)
148. [DTLS (Datagram Transport Layer Security)](https://developer.mozilla.org/en-US/docs/Glossary/DTLS)
149. [DTMF (Dual-Tone Multi-Frequency signaling)](https://developer.mozilla.org/en-US/docs/Glossary/DTMF)
150. [Dynamic typing](https://developer.mozilla.org/en-US/docs/Glossary/Dynamic_typing)
151. [ECMA](https://developer.mozilla.org/en-US/docs/Glossary/ECMA)
152. [ECMAScript](https://developer.mozilla.org/en-US/docs/Glossary/ECMAScript)
153. [Effective connection type](https://developer.mozilla.org/en-US/docs/Glossary/Effective_connection_type)
154. [Element](https://developer.mozilla.org/en-US/docs/Glossary/Element)
155. [Encapsulation](https://developer.mozilla.org/en-US/docs/Glossary/Encapsulation)
156. [Encryption](https://developer.mozilla.org/en-US/docs/Glossary/Encryption)
157. [Endianness](https://developer.mozilla.org/en-US/docs/Glossary/Endianness)
158. [Engine](https://developer.mozilla.org/en-US/docs/Glossary/Engine)
1. [JavaScript engine](https://developer.mozilla.org/en-US/docs/Glossary/Engine/JavaScript)
2. [Rendering engine](https://developer.mozilla.org/en-US/docs/Glossary/Engine/Rendering)
159. [Entity](https://developer.mozilla.org/en-US/docs/Glossary/Entity)
160. [Entity header](https://developer.mozilla.org/en-US/docs/Glossary/Entity_header)
161. [Enumerated](https://developer.mozilla.org/en-US/docs/Glossary/Enumerated)
162. [Escape character](https://developer.mozilla.org/en-US/docs/Glossary/Escape_character)
163. [Event](https://developer.mozilla.org/en-US/docs/Glossary/Event)
164. [Exception](https://developer.mozilla.org/en-US/docs/Glossary/Exception)
165. [EXIF](https://developer.mozilla.org/en-US/docs/Glossary/EXIF)
166. [Expando](https://developer.mozilla.org/en-US/docs/Glossary/Expando)
167. [Extrinsic size](https://developer.mozilla.org/en-US/docs/Glossary/Extrinsic_size)
168. [Fallback alignment](https://developer.mozilla.org/en-US/docs/Glossary/Fallback_Alignment)
169. [Falsy](https://developer.mozilla.org/en-US/docs/Glossary/Falsy)
170. [Favicon](https://developer.mozilla.org/en-US/docs/Glossary/Favicon)
171. [Federated identity](https://developer.mozilla.org/en-US/docs/Glossary/Federated_identity)
172. [Fetch directive](https://developer.mozilla.org/en-US/docs/Glossary/Fetch_directive)
173. [Fetch metadata request header](https://developer.mozilla.org/en-US/docs/Glossary/Fetch_metadata_request_header)
174. [Fingerprinting](https://developer.mozilla.org/en-US/docs/Glossary/Fingerprinting)
175. [Firefox OS](https://developer.mozilla.org/en-US/docs/Glossary/Firefox_OS)
176. [Firewall](https://developer.mozilla.org/en-US/docs/Glossary/Firewall)
177. [First Contentful Paint (FCP)](https://developer.mozilla.org/en-US/docs/Glossary/First_contentful_paint)
178. [First CPU idle](https://developer.mozilla.org/en-US/docs/Glossary/First_CPU_idle)
179. [First Input Delay (FID)](https://developer.mozilla.org/en-US/docs/Glossary/First_input_delay)
180. [First Meaningful Paint (FMP)](https://developer.mozilla.org/en-US/docs/Glossary/First_meaningful_paint)
181. [First Paint (FP)](https://developer.mozilla.org/en-US/docs/Glossary/First_paint)
182. [First-class function](https://developer.mozilla.org/en-US/docs/Glossary/First-class_Function)
183. [Flex](https://developer.mozilla.org/en-US/docs/Glossary/Flex)
184. [Flex container](https://developer.mozilla.org/en-US/docs/Glossary/Flex_Container)
185. [Flex item](https://developer.mozilla.org/en-US/docs/Glossary/Flex_Item)
186. [Flexbox](https://developer.mozilla.org/en-US/docs/Glossary/Flexbox)
187. [Flow relative values](https://developer.mozilla.org/en-US/docs/Glossary/Flow_relative_values)
188. [Forbidden request header](https://developer.mozilla.org/en-US/docs/Glossary/Forbidden_request_header)
189. [Forbidden response header name](https://developer.mozilla.org/en-US/docs/Glossary/Forbidden_response_header_name)
190. [Fork](https://developer.mozilla.org/en-US/docs/Glossary/Fork)
191. [Fragmentainer](https://developer.mozilla.org/en-US/docs/Glossary/Fragmentainer)
192. [Frame rate (FPS)](https://developer.mozilla.org/en-US/docs/Glossary/FPS)
193. [FTP](https://developer.mozilla.org/en-US/docs/Glossary/FTP)
194. [FTU](https://developer.mozilla.org/en-US/docs/Glossary/FTU)
195. [Function](https://developer.mozilla.org/en-US/docs/Glossary/Function)
196. [Fuzz testing](https://developer.mozilla.org/en-US/docs/Glossary/Fuzzing)
197. [Gamut](https://developer.mozilla.org/en-US/docs/Glossary/Gamut)
198. [Garbage collection](https://developer.mozilla.org/en-US/docs/Glossary/Garbage_collection)
199. [Gecko](https://developer.mozilla.org/en-US/docs/Glossary/Gecko)
200. [General header](https://developer.mozilla.org/en-US/docs/Glossary/General_header)
201. [GIF](https://developer.mozilla.org/en-US/docs/Glossary/GIF)
202. [Git](https://developer.mozilla.org/en-US/docs/Glossary/Git)
203. [Global object](https://developer.mozilla.org/en-US/docs/Glossary/Global_object)
204. [Global scope](https://developer.mozilla.org/en-US/docs/Glossary/Global_scope)
205. [Global variable](https://developer.mozilla.org/en-US/docs/Glossary/Global_variable)
206. [Glyph](https://developer.mozilla.org/en-US/docs/Glossary/Glyph)
207. [Google Chrome](https://developer.mozilla.org/en-US/docs/Glossary/Google_Chrome)
208. [GPL](https://developer.mozilla.org/en-US/docs/Glossary/GPL)
209. [GPU](https://developer.mozilla.org/en-US/docs/Glossary/GPU)
210. [Graceful degradation](https://developer.mozilla.org/en-US/docs/Glossary/Graceful_degradation)
211. [Grid](https://developer.mozilla.org/en-US/docs/Glossary/Grid)
212. [Grid areas](https://developer.mozilla.org/en-US/docs/Glossary/Grid_Areas)
213. [Grid Axis](https://developer.mozilla.org/en-US/docs/Glossary/Grid_Axis)
214. [Grid Cell](https://developer.mozilla.org/en-US/docs/Glossary/Grid_Cell)
215. [Grid Column](https://developer.mozilla.org/en-US/docs/Glossary/Grid_Column)
216. [Grid container](https://developer.mozilla.org/en-US/docs/Glossary/Grid_Container)
217. [Grid lines](https://developer.mozilla.org/en-US/docs/Glossary/Grid_Lines)
218. [Grid Row](https://developer.mozilla.org/en-US/docs/Glossary/Grid_Row)
219. [Grid Tracks](https://developer.mozilla.org/en-US/docs/Glossary/Grid_Tracks)
220. [Guaranteed-invalid value](https://developer.mozilla.org/en-US/docs/Glossary/guaranteed_invalid_value)
221. [Gutters](https://developer.mozilla.org/en-US/docs/Glossary/Gutters)
222. [gzip compression](https://developer.mozilla.org/en-US/docs/Glossary/gzip_compression)
223. [Hash function](https://developer.mozilla.org/en-US/docs/Glossary/Hash_function)
224. [Hash routing](https://developer.mozilla.org/en-US/docs/Glossary/Hash_routing)
225. [Head](https://developer.mozilla.org/en-US/docs/Glossary/Head)
226. [High-level programming language](https://developer.mozilla.org/en-US/docs/Glossary/High-level_programming_language)
227. [HMAC](https://developer.mozilla.org/en-US/docs/Glossary/HMAC)
228. [Hoisting](https://developer.mozilla.org/en-US/docs/Glossary/Hoisting)
229. [HOL blocking](https://developer.mozilla.org/en-US/docs/Glossary/Head_of_line_blocking)
230. [Host](https://developer.mozilla.org/en-US/docs/Glossary/Host)
231. [Hotlink](https://developer.mozilla.org/en-US/docs/Glossary/Hotlink)
232. [Houdini](https://developer.mozilla.org/en-US/docs/Glossary/Houdini)
233. [HPKP](https://developer.mozilla.org/en-US/docs/Glossary/HPKP)
234. [HSTS](https://developer.mozilla.org/en-US/docs/Glossary/HSTS)
235. [HTML](https://developer.mozilla.org/en-US/docs/Glossary/HTML)
236. [HTML color codes](https://developer.mozilla.org/en-US/docs/Glossary/html_color_codes)
237. [HTML5](https://developer.mozilla.org/en-US/docs/Glossary/HTML5)
238. [HTTP](https://developer.mozilla.org/en-US/docs/Glossary/HTTP)
239. [HTTP content](https://developer.mozilla.org/en-US/docs/Glossary/HTTP_Content)
240. [HTTP header](https://developer.mozilla.org/en-US/docs/Glossary/HTTP_header)
241. [HTTP/2](https://developer.mozilla.org/en-US/docs/Glossary/HTTP_2)
242. [HTTP/3](https://developer.mozilla.org/en-US/docs/Glossary/HTTP_3)
243. [HTTPS](https://developer.mozilla.org/en-US/docs/Glossary/HTTPS)
244. [HTTPS RR](https://developer.mozilla.org/en-US/docs/Glossary/HTTPS_RR)
245. [Hyperlink](https://developer.mozilla.org/en-US/docs/Glossary/Hyperlink)
246. [Hypertext](https://developer.mozilla.org/en-US/docs/Glossary/Hypertext)
247. [IANA](https://developer.mozilla.org/en-US/docs/Glossary/IANA)
248. [ICANN](https://developer.mozilla.org/en-US/docs/Glossary/ICANN)
249. [ICE](https://developer.mozilla.org/en-US/docs/Glossary/ICE)
250. [IDE](https://developer.mozilla.org/en-US/docs/Glossary/IDE)
251. [Idempotent](https://developer.mozilla.org/en-US/docs/Glossary/Idempotent)
252. [Identifier](https://developer.mozilla.org/en-US/docs/Glossary/Identifier)
253. [Identity provider (IdP)](https://developer.mozilla.org/en-US/docs/Glossary/Identity_provider)
254. [IDL](https://developer.mozilla.org/en-US/docs/Glossary/IDL)
255. [IETF](https://developer.mozilla.org/en-US/docs/Glossary/IETF)
256. [IIFE](https://developer.mozilla.org/en-US/docs/Glossary/IIFE)
257. [IMAP](https://developer.mozilla.org/en-US/docs/Glossary/IMAP)
258. [Immutable](https://developer.mozilla.org/en-US/docs/Glossary/Immutable)
259. [IndexedDB](https://developer.mozilla.org/en-US/docs/Glossary/IndexedDB)
260. [Information architecture](https://developer.mozilla.org/en-US/docs/Glossary/Information_architecture)
261. [Inheritance](https://developer.mozilla.org/en-US/docs/Glossary/Inheritance)
262. [Ink overflow](https://developer.mozilla.org/en-US/docs/Glossary/Ink_overflow)
263. [Inline-level content](https://developer.mozilla.org/en-US/docs/Glossary/Inline-level_content)
264. [Input method editor](https://developer.mozilla.org/en-US/docs/Glossary/Input_method_editor)
265. [Inset properties](https://developer.mozilla.org/en-US/docs/Glossary/Inset_properties)
266. [Instance](https://developer.mozilla.org/en-US/docs/Glossary/Instance)
267. [Interaction to Next Paint (INP)](https://developer.mozilla.org/en-US/docs/Glossary/Interaction_to_next_paint)
268. [Internationalization (i18n)](https://developer.mozilla.org/en-US/docs/Glossary/Internationalization)
269. [Internet](https://developer.mozilla.org/en-US/docs/Glossary/Internet)
270. [Interpolation](https://developer.mozilla.org/en-US/docs/Glossary/Interpolation)
271. [Intrinsic size](https://developer.mozilla.org/en-US/docs/Glossary/Intrinsic_Size)
272. [Invariant](https://developer.mozilla.org/en-US/docs/Glossary/Invariant)
273. [IP Address](https://developer.mozilla.org/en-US/docs/Glossary/IP_Address)
274. [IPv4](https://developer.mozilla.org/en-US/docs/Glossary/IPv4)
275. [IPv6](https://developer.mozilla.org/en-US/docs/Glossary/IPv6)
276. [IRC](https://developer.mozilla.org/en-US/docs/Glossary/IRC)
277. [ISO](https://developer.mozilla.org/en-US/docs/Glossary/ISO)
278. [ISP](https://developer.mozilla.org/en-US/docs/Glossary/ISP)
279. [ITU](https://developer.mozilla.org/en-US/docs/Glossary/ITU)
280. [Jank](https://developer.mozilla.org/en-US/docs/Glossary/Jank)
281. [Java](https://developer.mozilla.org/en-US/docs/Glossary/Java)
282. [JavaScript](https://developer.mozilla.org/en-US/docs/Glossary/JavaScript)
283. [Jitter](https://developer.mozilla.org/en-US/docs/Glossary/Jitter)
284. [JPEG](https://developer.mozilla.org/en-US/docs/Glossary/JPEG)
285. [JSON](https://developer.mozilla.org/en-US/docs/Glossary/JSON)
286. [JSON type representation](https://developer.mozilla.org/en-US/docs/Glossary/JSON_type_representation)
287. [Just-In-Time Compilation (JIT)](https://developer.mozilla.org/en-US/docs/Glossary/Just_In_Time_Compilation)
288. [Kebab case](https://developer.mozilla.org/en-US/docs/Glossary/Kebab_case)
289. [Key](https://developer.mozilla.org/en-US/docs/Glossary/Key)
290. [Keyword](https://developer.mozilla.org/en-US/docs/Glossary/Keyword)
291. [Largest Contentful Paint (LCP)](https://developer.mozilla.org/en-US/docs/Glossary/Largest_contentful_paint)
292. [Latency](https://developer.mozilla.org/en-US/docs/Glossary/Latency)
293. [Layout mode](https://developer.mozilla.org/en-US/docs/Glossary/Layout_mode)
294. [Layout viewport](https://developer.mozilla.org/en-US/docs/Glossary/Layout_viewport)
295. [Lazy load](https://developer.mozilla.org/en-US/docs/Glossary/Lazy_load)
296. [Leading](https://developer.mozilla.org/en-US/docs/Glossary/Leading)
297. [LGPL](https://developer.mozilla.org/en-US/docs/Glossary/LGPL)
298. [Ligature](https://developer.mozilla.org/en-US/docs/Glossary/Ligature)
299. [Literal](https://developer.mozilla.org/en-US/docs/Glossary/Literal)
300. [Local scope](https://developer.mozilla.org/en-US/docs/Glossary/Local_scope)
301. [Local variable](https://developer.mozilla.org/en-US/docs/Glossary/Local_variable)
302. [Locale](https://developer.mozilla.org/en-US/docs/Glossary/Locale)
303. [Localization](https://developer.mozilla.org/en-US/docs/Glossary/Localization)
304. [Logical properties](https://developer.mozilla.org/en-US/docs/Glossary/Logical_properties)
305. [Long task](https://developer.mozilla.org/en-US/docs/Glossary/Long_task)
306. [Loop](https://developer.mozilla.org/en-US/docs/Glossary/Loop)
307. [Lossless compression](https://developer.mozilla.org/en-US/docs/Glossary/Lossless_compression)
308. [Lossy compression](https://developer.mozilla.org/en-US/docs/Glossary/Lossy_compression)
309. [LTR (Left To Right)](https://developer.mozilla.org/en-US/docs/Glossary/LTR)
310. [Main axis](https://developer.mozilla.org/en-US/docs/Glossary/Main_Axis)
311. [Main thread](https://developer.mozilla.org/en-US/docs/Glossary/Main_thread)
312. [Markup](https://developer.mozilla.org/en-US/docs/Glossary/Markup)
313. [MathML](https://developer.mozilla.org/en-US/docs/Glossary/MathML)
314. [Media](https://developer.mozilla.org/en-US/docs/Glossary/Media)
1. [Media (Audio-visual presentation)](https://developer.mozilla.org/en-US/docs/Glossary/Media/Audio-visual_presentation)
2. [Media (CSS)](https://developer.mozilla.org/en-US/docs/Glossary/Media/CSS)
315. [Media query](https://developer.mozilla.org/en-US/docs/Glossary/Media_query)
316. [Metadata](https://developer.mozilla.org/en-US/docs/Glossary/Metadata)
317. [Method](https://developer.mozilla.org/en-US/docs/Glossary/Method)
318. [Microsoft Edge](https://developer.mozilla.org/en-US/docs/Glossary/Microsoft_Edge)
319. [Microsoft Internet Explorer](https://developer.mozilla.org/en-US/docs/Glossary/Microsoft_Internet_Explorer)
320. [Middleware](https://developer.mozilla.org/en-US/docs/Glossary/Middleware)
321. [MIME](https://developer.mozilla.org/en-US/docs/Glossary/MIME)
322. [MIME type](https://developer.mozilla.org/en-US/docs/Glossary/MIME_type)
323. [Minification](https://developer.mozilla.org/en-US/docs/Glossary/Minification)
324. [MitM](https://developer.mozilla.org/en-US/docs/Glossary/MitM)
325. [Mixin](https://developer.mozilla.org/en-US/docs/Glossary/Mixin)
326. [Mobile first](https://developer.mozilla.org/en-US/docs/Glossary/Mobile_First)
327.
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