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Web technology reference for developers
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Structure of content on the web
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Code used to describe document style
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General-purpose scripting language
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Protocol for transmitting web resources
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Interfaces for building web applications
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Developing extensions for web browsers
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Web Technology
Web technology reference for developers
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Ð ÑÑой ÑÑаÑÑеÐÑибка: CORS disabled
ÐÑиÑина: CORS заголовок 'Access-Control-Allow-Origin' не ÑооÑвеÑÑÑвÑÐµÑ 'xyz'
ÐÑиÑина: оÑÑÑÑÑÑвÑÐµÑ Ð·Ð°Ð³Ð¾Ð»Ð¾Ð²Ð¾Ðº CORS «Access-Control-Allow-Origin»
Reason: CORS header 'Origin' cannot be added
Reason: CORS preflight channel did not succeed
ÐÑиÑина: Ðе ÑдалоÑÑ Ð²ÑполниÑÑ Ð·Ð°Ð¿ÑÐ¾Ñ CORS
Reason: CORS request external redirect not allowed
Reason: CORS request not HTTP
Reason: Credential is not supported if the CORS header 'Access-Control-Allow-Origin' is '*'
Reason: Did not find method in CORS header 'Access-Control-Allow-Methods'
Reason: expected 'true' in CORS header 'Access-Control-Allow-Credentials'
Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Headers'
Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Methods'
Reason: missing token 'xyz' in CORS header 'Access-Control-Allow-Headers' from CORS preflight channel
Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowed
Accept
Accept-CH
Accept-Encoding
Accept-Language
Accept-Patch
Accept-Post
Accept-Ranges
Access-Control-Allow-Credentials
Access-Control-Allow-Headers
Access-Control-Allow-Methods
Access-Control-Allow-Origin
Access-Control-Expose-Headers
Access-Control-Max-Age
Access-Control-Request-Headers
Access-Control-Request-Method
Age
Allow
Alt-Svc
Alt-Used
Attribution-Reporting-Eligible
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑAttribution-Reporting-Register-Source
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑAttribution-Reporting-Register-Trigger
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑAuthorization
Available-Dictionary
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑCache-Control
Clear-Site-Data
Connection
Content-Digest
Content-Disposition
Content-DPR
Ðе ÑÑандаÑÑно УÑÑаÑелоContent-Encoding
Content-Language
Content-Length
Content-Location
Content-Range
Content-Security-Policy
Content-Security-Policy-Report-Only
Content-Type
Cookie
Critical-CH
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑCross-Origin-Embedder-Policy
Cross-Origin-Opener-Policy
Cross-Origin-Resource-Policy
Date
Device-Memory
Dictionary-ID
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑDNT
Ðе ÑÑандаÑÑно УÑÑаÑелоDownlink
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑDPR
Ðе ÑÑандаÑÑно УÑÑаÑелоEarly-Data
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑECT
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑETag
Expect
Expect-CT
УÑÑаÑелоExpires
Forwarded
From
Host
If-Match
If-Modified-Since
If-None-Match
If-Range
If-Unmodified-Since
Integrity-Policy
Integrity-Policy-Report-Only
Keep-Alive
Last-Modified
Link
Location
Max-Forwards
NEL
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑNo-Vary-Search
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑObserve-Browsing-Topics
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑ Ðе ÑÑандаÑÑноOrigin
Origin-Agent-Cluster
Permissions-Policy
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑPragma
УÑÑаÑелоPrefer
Preference-Applied
Priority
Proxy-Authenticate
Proxy-Authorization
Range
Referer
Referrer-Policy
Refresh
Report-To
Ðе ÑÑандаÑÑно УÑÑаÑелоReporting-Endpoints
Repr-Digest
Retry-After
RTT
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSave-Data
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-Browsing-Topics
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑ Ðе ÑÑандаÑÑноSec-CH-Prefers-Color-Scheme
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-Prefers-Reduced-Motion
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-Prefers-Reduced-Transparency
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-Arch
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-Bitness
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-Form-Factors
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-Full-Version
УÑÑаÑелоSec-CH-UA-Full-Version-List
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-Mobile
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-Model
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-Platform
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-Platform-Version
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-CH-UA-WoW64
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-Fetch-Dest
Sec-Fetch-Mode
Sec-Fetch-Site
Sec-Fetch-User
Sec-GPC
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-Purpose
Sec-Speculation-Tags
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑSec-WebSocket-Accept
Sec-WebSocket-Extensions
Sec-WebSocket-Key
Sec-WebSocket-Protocol
Sec-WebSocket-Version
Server
Server-Timing
Service-Worker
Service-Worker-Allowed
Service-Worker-Navigation-Preload
Set-Cookie
Set-Login
SourceMap
Speculation-Rules
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑStrict-Transport-Security
Supports-Loading-Mode
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑTE
Timing-Allow-Origin
Tk
Ðе ÑÑандаÑÑно УÑÑаÑелоTrailer
Transfer-Encoding
Upgrade
Upgrade-Insecure-Requests
Use-As-Dictionary
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑUser-Agent
Vary
Via
Viewport-Width
Ðе ÑÑандаÑÑно УÑÑаÑелоWant-Content-Digest
Want-Repr-Digest
Warning
УÑÑаÑелоWidth
Ðе ÑÑандаÑÑно УÑÑаÑелоWWW-Authenticate
X-Content-Type-Options
X-DNS-Prefetch-Control
Ðе ÑÑандаÑÑноX-Forwarded-For
Ðе ÑÑандаÑÑноX-Forwarded-Host
Ðе ÑÑандаÑÑноX-Forwarded-Proto
Ðе ÑÑандаÑÑноX-Frame-Options
X-Permitted-Cross-Domain-Policies
Ðе ÑÑандаÑÑноX-Powered-By
Ðе ÑÑандаÑÑноX-Robots-Tag
Ðе ÑÑандаÑÑноX-XSS-Protection
Ðе ÑÑандаÑÑно УÑÑаÑело100 Continue
101 Switching Protocol
102 Processing
103 Early Hints
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status
208 Already Reported
226 IM Used
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other
304 Not Modified
307 Temporary Redirect
308 Permanent Redirect
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Payload Too Large
414 URI Too Long
415 Unsupported Media Type
416 Range Not Satisfiable
417 Expectation Failed
418 I'm a teapot
421 Misdirected Request
422 Unprocessable Entity
423 Locked
424 Failed Dependency
425 Too Early
426 Upgrade Required
428 Precondition Required
429 Too Many Requests
431 Request Header Fields Too Large
451 Unavailable For Legal Reasons
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Insufficient Storage
508 Loop Detected
510 Not Extended
511 Network Authentication Required
base-uri
block-all-mixed-content
УÑÑаÑелоchild-src
connect-src
default-src
fenced-frame-src
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑfont-src
form-action
frame-ancestors
frame-src
img-src
manifest-src
media-src
object-src
prefetch-src
Ðе ÑÑандаÑÑно УÑÑаÑелоreport-to
report-uri
УÑÑаÑелоrequire-trusted-types-for
sandbox
script-src
script-src-attr
script-src-elem
style-src
style-src-attr
style-src-elem
trusted-types
upgrade-insecure-requests
worker-src
accelerometer
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑambient-light-sensor
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑattribution-reporting
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑautoplay
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑbluetooth
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑbrowsing-topics
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑ Ðе ÑÑандаÑÑноcamera
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑcaptured-surface-control
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑcompute-pressure
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑcross-origin-isolated
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑdeferred-fetch
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑdeferred-fetch-minimal
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑdisplay-capture
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑencrypted-media
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑfullscreen
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑgamepad
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑgeolocation
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑgyroscope
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑhid
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑidentity-credentials-get
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑidle-detection
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑlanguage-detector
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑlocal-fonts
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑmagnetometer
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑmicrophone
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑmidi
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑotp-credentials
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑpayment
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑpicture-in-picture
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑpublickey-credentials-create
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑpublickey-credentials-get
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑscreen-wake-lock
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑserial
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑspeaker-selection
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑstorage-access
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑsummarizer
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑtranslator
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑusb
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑweb-share
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑwindow-management
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑxr-spatial-tracking
ÐкÑпеÑименÑалÑÐ½Ð°Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑBaseline Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since July 2015.
HTTP-меÑод GET
запÑаÑÐ¸Ð²Ð°ÐµÑ Ð¿ÑедÑÑавление Ñказанного ÑеÑÑÑÑа. GET
-запÑоÑÑ Ð´Ð¾Ð»Ð¶Ð½Ñ ÑолÑко полÑÑаÑÑ Ð´Ð°Ð½Ð½Ñе.
GET /index.htmlСпеÑиÑикаÑии СпеÑиÑикаÑÐ¸Ñ Ðаголовок RFC 7231, Ñаздел 4.3.1: GET Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content СовмеÑÑимоÑÑÑ Ñ Ð±ÑаÑзеÑами СмоÑÑиÑе Ñакже Help improve MDN Was this page helpful to you? Learn how to contribute
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