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---
title: "WebRTC - Glossary | MDN"
chunk: 3/3
source: "https://developer.mozilla.org/en-US/docs/Glossary/WebRTC"
category: "reference"
tags: "web, html, css, javascript, documentation"
date_saved: "2026-05-05T05:49:11.433243+00:00"
instance: "kb-cron"
---
[Relying party](https://developer.mozilla.org/en-US/docs/Glossary/Relying_party)
421. [Render-blocking](https://developer.mozilla.org/en-US/docs/Glossary/Render_blocking)
422. [Repaint](https://developer.mozilla.org/en-US/docs/Glossary/Repaint)
423. [Replaced elements](https://developer.mozilla.org/en-US/docs/Glossary/Replaced_elements)
424. [Replay attack](https://developer.mozilla.org/en-US/docs/Glossary/Replay_attack)
425. [Repo](https://developer.mozilla.org/en-US/docs/Glossary/Repo)
426. [Reporting directive](https://developer.mozilla.org/en-US/docs/Glossary/Reporting_directive)
427. [Representation header](https://developer.mozilla.org/en-US/docs/Glossary/Representation_header)
428. [Request header](https://developer.mozilla.org/en-US/docs/Glossary/Request_header)
429. [Resource Timing](https://developer.mozilla.org/en-US/docs/Glossary/Resource_Timing)
430. [Response header](https://developer.mozilla.org/en-US/docs/Glossary/Response_header)
431. [Responsive Web Design (RWD)](https://developer.mozilla.org/en-US/docs/Glossary/Responsive_web_design)
432. [REST](https://developer.mozilla.org/en-US/docs/Glossary/REST)
433. [RGB](https://developer.mozilla.org/en-US/docs/Glossary/RGB)
434. [RIL](https://developer.mozilla.org/en-US/docs/Glossary/RIL)
435. [Robots.txt](https://developer.mozilla.org/en-US/docs/Glossary/Robots.txt)
436. [Round Trip Time (RTT)](https://developer.mozilla.org/en-US/docs/Glossary/Round_Trip_Time)
437. [Router](https://developer.mozilla.org/en-US/docs/Glossary/Router)
438. [RSS](https://developer.mozilla.org/en-US/docs/Glossary/RSS)
439. [Rsync](https://developer.mozilla.org/en-US/docs/Glossary/Rsync)
440. [RTCP (RTP Control Protocol)](https://developer.mozilla.org/en-US/docs/Glossary/RTCP)
441. [RTF](https://developer.mozilla.org/en-US/docs/Glossary/RTF)
442. [RTL (Right to Left)](https://developer.mozilla.org/en-US/docs/Glossary/RTL)
443. [RTP (Real-time Transport Protocol) and SRTP (Secure RTP)](https://developer.mozilla.org/en-US/docs/Glossary/RTP)
444. [RTSP: Real-time streaming protocol](https://developer.mozilla.org/en-US/docs/Glossary/RTSP)
445. [Ruby](https://developer.mozilla.org/en-US/docs/Glossary/Ruby)
446. [Safe](https://developer.mozilla.org/en-US/docs/Glossary/Safe)
1. [Safe (HTTP Methods)](https://developer.mozilla.org/en-US/docs/Glossary/Safe/HTTP)
447. [Salt](https://developer.mozilla.org/en-US/docs/Glossary/Salt)
448. [Same-origin policy](https://developer.mozilla.org/en-US/docs/Glossary/Same-origin_policy)
449. [SCM](https://developer.mozilla.org/en-US/docs/Glossary/SCM)
450. [Scope](https://developer.mozilla.org/en-US/docs/Glossary/Scope)
451. [Screen reader](https://developer.mozilla.org/en-US/docs/Glossary/Screen_reader)
452. [Script-supporting element](https://developer.mozilla.org/en-US/docs/Glossary/Script-supporting_element)
453. [Scroll boundary](https://developer.mozilla.org/en-US/docs/Glossary/Scroll_boundary)
454. [Scroll chaining](https://developer.mozilla.org/en-US/docs/Glossary/Scroll_chaining)
455. [Scroll container](https://developer.mozilla.org/en-US/docs/Glossary/Scroll_container)
456. [Scroll snap](https://developer.mozilla.org/en-US/docs/Glossary/Scroll_snap)
457. [SCTP](https://developer.mozilla.org/en-US/docs/Glossary/SCTP)
458. [SDK (Software Development Kit)](https://developer.mozilla.org/en-US/docs/Glossary/SDK)
459. [SDP](https://developer.mozilla.org/en-US/docs/Glossary/SDP)
460. [Search engine](https://developer.mozilla.org/en-US/docs/Glossary/Search_engine)
461. [Secure context](https://developer.mozilla.org/en-US/docs/Glossary/Secure_Context)
462. [Secure Sockets Layer (SSL)](https://developer.mozilla.org/en-US/docs/Glossary/SSL)
463. [Selector (CSS)](https://developer.mozilla.org/en-US/docs/Glossary/CSS_Selector)
464. [Semantics](https://developer.mozilla.org/en-US/docs/Glossary/Semantics)
465. [SEO](https://developer.mozilla.org/en-US/docs/Glossary/SEO)
466. [Serializable object](https://developer.mozilla.org/en-US/docs/Glossary/Serializable_object)
467. [Serialization](https://developer.mozilla.org/en-US/docs/Glossary/Serialization)
468. [Server](https://developer.mozilla.org/en-US/docs/Glossary/Server)
469. [Server Timing](https://developer.mozilla.org/en-US/docs/Glossary/Server_Timing)
470. [Server-side rendering (SSR)](https://developer.mozilla.org/en-US/docs/Glossary/SSR)
471. [Session hijacking](https://developer.mozilla.org/en-US/docs/Glossary/Session_Hijacking)
472. [SGML](https://developer.mozilla.org/en-US/docs/Glossary/SGML)
473. [Shadow tree](https://developer.mozilla.org/en-US/docs/Glossary/Shadow_tree)
474. [Shallow copy](https://developer.mozilla.org/en-US/docs/Glossary/Shallow_copy)
475. [Shim](https://developer.mozilla.org/en-US/docs/Glossary/Shim)
476. [Signature](https://developer.mozilla.org/en-US/docs/Glossary/Signature)
1. [Signature (functions)](https://developer.mozilla.org/en-US/docs/Glossary/Signature/Function)
2. [Signature (security)](https://developer.mozilla.org/en-US/docs/Glossary/Signature/Security)
477. [SIMD](https://developer.mozilla.org/en-US/docs/Glossary/SIMD)
478. [SISD](https://developer.mozilla.org/en-US/docs/Glossary/SISD)
479. [Site](https://developer.mozilla.org/en-US/docs/Glossary/Site)
480. [Site map](https://developer.mozilla.org/en-US/docs/Glossary/Site_map)
481. [SLD](https://developer.mozilla.org/en-US/docs/Glossary/SLD)
482. [Sloppy mode](https://developer.mozilla.org/en-US/docs/Glossary/Sloppy_mode)
483. [Slug](https://developer.mozilla.org/en-US/docs/Glossary/Slug)
484. [Smoke test](https://developer.mozilla.org/en-US/docs/Glossary/Smoke_Test)
485. [SMPTE (Society of Motion Picture and Television Engineers)](https://developer.mozilla.org/en-US/docs/Glossary/SMPTE)
486. [SMTP](https://developer.mozilla.org/en-US/docs/Glossary/SMTP)
487. [Snake case](https://developer.mozilla.org/en-US/docs/Glossary/Snake_case)
488. [Snap positions](https://developer.mozilla.org/en-US/docs/Glossary/Snap_positions)
489. [SOAP](https://developer.mozilla.org/en-US/docs/Glossary/SOAP)
490. [Social engineering](https://developer.mozilla.org/en-US/docs/Glossary/Social_engineering)
491. [Source map](https://developer.mozilla.org/en-US/docs/Glossary/Source_map)
492. [SPA (Single-page application)](https://developer.mozilla.org/en-US/docs/Glossary/SPA)
493. [Specification](https://developer.mozilla.org/en-US/docs/Glossary/Specification)
494. [Speculative parsing](https://developer.mozilla.org/en-US/docs/Glossary/Speculative_parsing)
495. [Speed index](https://developer.mozilla.org/en-US/docs/Glossary/Speed_index)
496. [SQL](https://developer.mozilla.org/en-US/docs/Glossary/SQL)
497. [SQL injection](https://developer.mozilla.org/en-US/docs/Glossary/SQL_Injection)
498. [SRI](https://developer.mozilla.org/en-US/docs/Glossary/SRI)
499. [Stacking context](https://developer.mozilla.org/en-US/docs/Glossary/Stacking_context)
500. [State machine](https://developer.mozilla.org/en-US/docs/Glossary/State_machine)
501. [Statement](https://developer.mozilla.org/en-US/docs/Glossary/Statement)
502. [Static method](https://developer.mozilla.org/en-US/docs/Glossary/Static_method)
503. [Static site generator (SSG)](https://developer.mozilla.org/en-US/docs/Glossary/SSG)
504. [Static typing](https://developer.mozilla.org/en-US/docs/Glossary/Static_typing)
505. [Sticky activation](https://developer.mozilla.org/en-US/docs/Glossary/Sticky_activation)
506. [Strict mode](https://developer.mozilla.org/en-US/docs/Glossary/Strict_mode)
507. [String](https://developer.mozilla.org/en-US/docs/Glossary/String)
508. [Stringifier](https://developer.mozilla.org/en-US/docs/Glossary/Stringifier)
509. [STUN](https://developer.mozilla.org/en-US/docs/Glossary/STUN)
510. [Style origin](https://developer.mozilla.org/en-US/docs/Glossary/Style_origin)
511. [Style sheet](https://developer.mozilla.org/en-US/docs/Glossary/Style_sheet)
512. [Submit button](https://developer.mozilla.org/en-US/docs/Glossary/Submit_button)
513. [SVG](https://developer.mozilla.org/en-US/docs/Glossary/SVG)
514. [SVN](https://developer.mozilla.org/en-US/docs/Glossary/SVN)
515. [Symbol](https://developer.mozilla.org/en-US/docs/Glossary/Symbol)
516. [Symmetric-key cryptography](https://developer.mozilla.org/en-US/docs/Glossary/Symmetric-key_cryptography)
517. [Synchronous](https://developer.mozilla.org/en-US/docs/Glossary/Synchronous)
518. [Syntax](https://developer.mozilla.org/en-US/docs/Glossary/Syntax)
519. [Syntax error](https://developer.mozilla.org/en-US/docs/Glossary/Syntax_error)
520. [Synthetic monitoring](https://developer.mozilla.org/en-US/docs/Glossary/Synthetic_monitoring)
521. [Table grid box](https://developer.mozilla.org/en-US/docs/Glossary/Table_Grid_Box)
522. [Table wrapper box](https://developer.mozilla.org/en-US/docs/Glossary/Table_Wrapper_Box)
523. [Tag](https://developer.mozilla.org/en-US/docs/Glossary/Tag)
524. [TCP](https://developer.mozilla.org/en-US/docs/Glossary/TCP)
525. [TCP handshake](https://developer.mozilla.org/en-US/docs/Glossary/TCP_handshake)
526. [TCP slow start](https://developer.mozilla.org/en-US/docs/Glossary/TCP_slow_start)
527. [Telnet](https://developer.mozilla.org/en-US/docs/Glossary/Telnet)
528. [Texel](https://developer.mozilla.org/en-US/docs/Glossary/Texel)
529. [The Khronos Group](https://developer.mozilla.org/en-US/docs/Glossary/Khronos)
530. [Thread](https://developer.mozilla.org/en-US/docs/Glossary/Thread)
531. [Three js](https://developer.mozilla.org/en-US/docs/Glossary/Three_js)
532. [Throttle](https://developer.mozilla.org/en-US/docs/Glossary/Throttle)
533. [Time to First Byte (TTFB)](https://developer.mozilla.org/en-US/docs/Glossary/Time_to_first_byte)
534. [Time to Interactive (TTI)](https://developer.mozilla.org/en-US/docs/Glossary/Time_to_interactive)
535. [TLD](https://developer.mozilla.org/en-US/docs/Glossary/TLD)
536. [TOFU](https://developer.mozilla.org/en-US/docs/Glossary/TOFU)
537. [Top layer](https://developer.mozilla.org/en-US/docs/Glossary/Top_layer)
538. [Transient activation](https://developer.mozilla.org/en-US/docs/Glossary/Transient_activation)
539. [Transport Layer Security (TLS)](https://developer.mozilla.org/en-US/docs/Glossary/TLS)
540. [Tree shaking](https://developer.mozilla.org/en-US/docs/Glossary/Tree_shaking)
541. [Trident](https://developer.mozilla.org/en-US/docs/Glossary/Trident)
542. [Truthy](https://developer.mozilla.org/en-US/docs/Glossary/Truthy)
543. [TTL](https://developer.mozilla.org/en-US/docs/Glossary/TTL)
544. [TURN](https://developer.mozilla.org/en-US/docs/Glossary/TURN)
545. [Type](https://developer.mozilla.org/en-US/docs/Glossary/Type)
546. [Type coercion](https://developer.mozilla.org/en-US/docs/Glossary/Type_coercion)
547. [Type conversion](https://developer.mozilla.org/en-US/docs/Glossary/Type_Conversion)
548. [TypeScript](https://developer.mozilla.org/en-US/docs/Glossary/TypeScript)
549. [UAAG](https://developer.mozilla.org/en-US/docs/Glossary/UAAG)
550. [UDP (User Datagram Protocol)](https://developer.mozilla.org/en-US/docs/Glossary/UDP)
551. [UI](https://developer.mozilla.org/en-US/docs/Glossary/UI)
552. [Undefined](https://developer.mozilla.org/en-US/docs/Glossary/Undefined)
553. [Unicode](https://developer.mozilla.org/en-US/docs/Glossary/Unicode)
554. [Unix time](https://developer.mozilla.org/en-US/docs/Glossary/Unix_time)
555. [URI](https://developer.mozilla.org/en-US/docs/Glossary/URI)
556. [URL](https://developer.mozilla.org/en-US/docs/Glossary/URL)
557. [URN](https://developer.mozilla.org/en-US/docs/Glossary/URN)
558. [Usenet](https://developer.mozilla.org/en-US/docs/Glossary/Usenet)
559. [User agent](https://developer.mozilla.org/en-US/docs/Glossary/User_agent)
560. [UTF-8](https://developer.mozilla.org/en-US/docs/Glossary/UTF-8)
561. [UTF-16](https://developer.mozilla.org/en-US/docs/Glossary/UTF-16)
562. [UUID](https://developer.mozilla.org/en-US/docs/Glossary/UUID)
563. [UX](https://developer.mozilla.org/en-US/docs/Glossary/UX)
564. [Validator](https://developer.mozilla.org/en-US/docs/Glossary/Validator)
565. [Value](https://developer.mozilla.org/en-US/docs/Glossary/Value)
566. [Variable](https://developer.mozilla.org/en-US/docs/Glossary/Variable)
567. [Vendor prefix](https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix)
568. [Viewport](https://developer.mozilla.org/en-US/docs/Glossary/Viewport)
569. [Visual viewport](https://developer.mozilla.org/en-US/docs/Glossary/Visual_Viewport)
570. [Void element](https://developer.mozilla.org/en-US/docs/Glossary/Void_element)
571. [VoIP](https://developer.mozilla.org/en-US/docs/Glossary/VoIP)
572. [W3C](https://developer.mozilla.org/en-US/docs/Glossary/W3C)
573. [WAI](https://developer.mozilla.org/en-US/docs/Glossary/WAI)
574. [WCAG](https://developer.mozilla.org/en-US/docs/Glossary/WCAG)
575. [Web performance](https://developer.mozilla.org/en-US/docs/Glossary/Web_performance)
576. [Web server](https://developer.mozilla.org/en-US/docs/Glossary/Web_server)
577. [Web standards](https://developer.mozilla.org/en-US/docs/Glossary/Web_standards)
578. [WebAssembly](https://developer.mozilla.org/en-US/docs/Glossary/WebAssembly)
579. [WebDAV](https://developer.mozilla.org/en-US/docs/Glossary/WebDAV)
580. [WebExtensions](https://developer.mozilla.org/en-US/docs/Glossary/WebExtensions)
581. [WebGL](https://developer.mozilla.org/en-US/docs/Glossary/WebGL)
582. [WebIDL](https://developer.mozilla.org/en-US/docs/Glossary/WebIDL)
583. [WebKit](https://developer.mozilla.org/en-US/docs/Glossary/WebKit)
584. [WebM](https://developer.mozilla.org/en-US/docs/Glossary/WebM)
585. [WebP](https://developer.mozilla.org/en-US/docs/Glossary/WebP)
586. _[WebRTC](https://developer.mozilla.org/en-US/docs/Glossary/WebRTC)_
587. [WebSockets](https://developer.mozilla.org/en-US/docs/Glossary/WebSockets)
588. [WebVTT](https://developer.mozilla.org/en-US/docs/Glossary/WebVTT)
589. [WHATWG](https://developer.mozilla.org/en-US/docs/Glossary/WHATWG)
590. [Whitespace](https://developer.mozilla.org/en-US/docs/Glossary/Whitespace)
591. [WindowProxy](https://developer.mozilla.org/en-US/docs/Glossary/WindowProxy)
592. [World Wide Web](https://developer.mozilla.org/en-US/docs/Glossary/World_Wide_Web)
593. [Wrapper](https://developer.mozilla.org/en-US/docs/Glossary/Wrapper)
594. [XForms](https://developer.mozilla.org/en-US/docs/Glossary/XForms)
595. [XHTML](https://developer.mozilla.org/en-US/docs/Glossary/XHTML)
596. [XInclude](https://developer.mozilla.org/en-US/docs/Glossary/XInclude)
597. [XLink](https://developer.mozilla.org/en-US/docs/Glossary/XLink)
598. [XML](https://developer.mozilla.org/en-US/docs/Glossary/XML)
599. [XMLHttpRequest (XHR)](https://developer.mozilla.org/en-US/docs/Glossary/XMLHttpRequest)
600. [XPath](https://developer.mozilla.org/en-US/docs/Glossary/XPath)
601. [XQuery](https://developer.mozilla.org/en-US/docs/Glossary/XQuery)
602. [XSLT](https://developer.mozilla.org/en-US/docs/Glossary/XSLT)
603. [Zstandard compression](https://developer.mozilla.org/en-US/docs/Glossary/Zstandard_compression)
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