{"json_modified": "2016-10-19T02:02:20.441960", "uuid": "f9118e10-32e1-49b8-befb-ea78737c517c", "title": "Safe", "url": "/en-US/docs/Glossary/safe", "tags": ["glossary", "WebMechanics", "Glossary"], "translations": [{"uuid": "c627d270-8ab9-4e86-b219-6c3f320c79bc", "title": "\u0411\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434", "url": "/ru/docs/%D0%A1%D0%BB%D0%BE%D0%B2%D0%B0%D1%80%D1%8C/safe", "tags": ["glossary", "HTTP", "Glossary"], "summary": "\u041c\u0435\u0442\u043e\u0434 HTTP \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f <strong>\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u043c</strong>, \u0435\u0441\u043b\u0438 \u043e\u043d \u043d\u0435 \u043c\u0435\u043d\u044f\u0435\u0442 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430. \u0414\u0440\u0443\u0433\u0438\u043c\u0438 \u0441\u043b\u043e\u0432\u0430\u043c\u0438, \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \"\u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0442\u0435\u043d\u0438\u0435\" (read-only). \u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 HTTP \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0435: <a href=\"/ru/docs/Web/HTTP/Methods/GET\" title=\"&#x414;&#x43E;&#x43A;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x430;&#x446;&#x438;&#x44F; &#x43E;&#x431; &#x44D;&#x442;&#x43E;&#x43C; &#x435;&#x449;&#x451; &#x43D;&#x435; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x430;; &#x43F;&#x43E;&#x436;&#x430;&#x43B;&#x443;&#x439;&#x441;&#x442;&#x430;, &#x43F;&#x43E;&#x441;&#x43F;&#x43E;&#x441;&#x43E;&#x431;&#x441;&#x442;&#x432;&#x443;&#x439;&#x442;&#x435; &#x435;&#x451; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x438;&#x44E;!\"><code>GET</code></a>, <a href=\"/ru/docs/Web/HTTP/Methods/HEAD\" title=\"&#x414;&#x43E;&#x43A;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x430;&#x446;&#x438;&#x44F; &#x43E;&#x431; &#x44D;&#x442;&#x43E;&#x43C; &#x435;&#x449;&#x451; &#x43D;&#x435; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x430;; &#x43F;&#x43E;&#x436;&#x430;&#x43B;&#x443;&#x439;&#x441;&#x442;&#x430;, &#x43F;&#x43E;&#x441;&#x43F;&#x43E;&#x441;&#x43E;&#x431;&#x441;&#x442;&#x432;&#x443;&#x439;&#x442;&#x435; &#x435;&#x451; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x438;&#x44E;!\"><code>HEAD</code></a> \u0438\u043b\u0438 <a href=\"/ru/docs/Web/HTTP/Methods/OPTIONS\" title=\"&#x414;&#x43E;&#x43A;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x430;&#x446;&#x438;&#x44F; &#x43E;&#x431; &#x44D;&#x442;&#x43E;&#x43C; &#x435;&#x449;&#x451; &#x43D;&#x435; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x430;; &#x43F;&#x43E;&#x436;&#x430;&#x43B;&#x443;&#x439;&#x441;&#x442;&#x430;, &#x43F;&#x43E;&#x441;&#x43F;&#x43E;&#x441;&#x43E;&#x431;&#x441;&#x442;&#x432;&#x443;&#x439;&#x442;&#x435; &#x435;&#x451; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x438;&#x44E;!\"><code>OPTIONS</code></a>. \u0412\u0441\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0442\u0430\u043a\u0436\u0435 <a class=\"glossaryLink\" href=\"/ru/docs/Glossary/idempotent\" title=\"&#x41E;&#x43F;&#x440;&#x435;&#x434;&#x435;&#x43B;&#x435;&#x43D;&#x438;&#x435; &#x442;&#x435;&#x440;&#x43C;&#x438;&#x43D;&#x430; &#xAB;&#x438;&#x434;&#x435;&#x43C;&#x43F;&#x43E;&#x442;&#x435;&#x43D;&#x442;&#x43D;&#x44B;&#x43C;&#x438;&#xBB; &#x435;&#x449;&#x451; &#x43D;&#x435; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x43E;; &#x43C;&#x43E;&#x436;&#x435;&#x442; &#x431;&#x44B;&#x442;&#x44C;, &#x432;&#x44B; &#x43D;&#x430;&#x43F;&#x438;&#x448;&#x435;&#x442;&#x435;?\">\u0438\u0434\u0435\u043c\u043f\u043e\u0442\u0435\u043d\u0442\u043d\u044b\u043c\u0438</a>, \u043a\u0430\u043a \u0438 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u0440\u0443\u0433\u0438\u0435, \u043d\u043e \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u043d\u0435\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0435, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a <a href=\"/ru/docs/Web/HTTP/Methods/PUT\" title=\"&#x414;&#x43E;&#x43A;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x430;&#x446;&#x438;&#x44F; &#x43E;&#x431; &#x44D;&#x442;&#x43E;&#x43C; &#x435;&#x449;&#x451; &#x43D;&#x435; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x430;; &#x43F;&#x43E;&#x436;&#x430;&#x43B;&#x443;&#x439;&#x441;&#x442;&#x430;, &#x43F;&#x43E;&#x441;&#x43F;&#x43E;&#x441;&#x43E;&#x431;&#x441;&#x442;&#x432;&#x443;&#x439;&#x442;&#x435; &#x435;&#x451; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x438;&#x44E;!\"><code>PUT</code></a> \u0438\u043b\u0438 <a href=\"/ru/docs/Web/HTTP/Methods/DELETE\" title=\"&#x414;&#x43E;&#x43A;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x430;&#x446;&#x438;&#x44F; &#x43E;&#x431; &#x44D;&#x442;&#x43E;&#x43C; &#x435;&#x449;&#x451; &#x43D;&#x435; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x430;; &#x43F;&#x43E;&#x436;&#x430;&#x43B;&#x443;&#x439;&#x441;&#x442;&#x430;, &#x43F;&#x43E;&#x441;&#x43F;&#x43E;&#x441;&#x43E;&#x431;&#x441;&#x442;&#x432;&#x443;&#x439;&#x442;&#x435; &#x435;&#x451; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x438;&#x44E;!\"><code>DELETE</code></a>.", "localization_tags": [], "locale": "ru", "last_edit": "2016-10-19T02:02:16", "review_tags": []}], "modified": "2016-07-18T12:00:02", "label": "Safe", "localization_tags": [], "locale": "en-US", "id": 188813, "last_edit": "2016-07-18T11:59:58", "summary": "An HTTP method is <strong>safe</strong> if it doesn't alter the state of the server. In other words, a method is safe if it leads to a read-only operation. Several common HTTP methods are safe: <a href=\"/en-US/docs/Web/HTTP/Methods/GET\" title=\"The GET method requests a representation of the specified resource. Requests using GET should only retrieve data.\"><code>GET</code></a>, <a href=\"/en-US/docs/Web/HTTP/Methods/HEAD\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>HEAD</code></a>, or <a href=\"/en-US/docs/Web/HTTP/Methods/OPTIONS\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>OPTIONS</code></a>. All safe methods are also <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/idempotent\" title=\"idempotent: An HTTP method is idempotent if an identical request can be made one or several times in a row with the same effect and leaving the server in the same state. In other words, an idempotent method should not have any side-effects (except for keeping statistics). Implemented correctly, the GET, HEAD, PUT, and DELETE method are idempotent, but not the POST method. All safe methods are also idempotent.\">idempotent</a> as well as some, but not all, unsafe methods like <a href=\"/en-US/docs/Web/HTTP/Methods/PUT\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>PUT</code></a>, or <a href=\"/en-US/docs/Web/HTTP/Methods/DELETE\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>DELETE</code></a>.", "sections": [{"id": "Learn_more", "title": "Learn more"}, {"id": "General_knowledge", "title": "General knowledge"}, {"id": "Technical_knowledge", "title": "Technical knowledge"}], "slug": "Glossary/safe", "review_tags": []}