{"id":28550,"date":"2026-09-08T21:56:08","date_gmt":"2026-09-08T18:56:08","guid":{"rendered":"https:\/\/alienroad.com\/yandex-bilgi-bankasi\/site-indexing\/"},"modified":"2026-09-09T00:47:44","modified_gmt":"2026-09-08T21:47:44","slug":"site-indexing","status":"publish","type":"ar_ykb","link":"https:\/\/alienroad.com\/yandex-bilgi-bankasi\/site-indexing\/","title":{"rendered":"Site indexing"},"content":{"rendered":"<p>Yandex&#8217;s indexing guidance is a checklist with specific technical limits attached \u2014 the limits are the part worth memorising.<\/p>\n<h2>The setup steps<\/h2>\n<ol>\n<li>Add the site in Yandex Webmaster.<\/li>\n<li>Submit a <strong>sitemap<\/strong>, which can also express crawl priority \u2014 telling the robot which pages update frequently so it plans accordingly.<\/li>\n<li>Configure <strong>robots.txt<\/strong>: <code>Disallow<\/code> for technical and low-value sections, and <code>Clean-param<\/code> for insignificant CGI parameters. Yandex spells out the failure mode for session identifiers: formally distinct URLs with identical content, and if there are many, <em>the robot indexes those instead of downloading useful content<\/em>.<\/li>\n<\/ol>\n<h2>The hard limits<\/h2>\n<ul>\n<li><strong>Documents over 10 MB are not indexed.<\/strong><\/li>\n<li>Many CGI parameters, deeply nested directories, or excessively long URLs can prevent indexing.<\/li>\n<li><strong>PDFs: only text is indexed.<\/strong> Text rendered as an image is not \u2014 which makes every scanned brochure and image-based catalogue invisible.<\/li>\n<li>Open Office XML and OpenDocument formats are indexed, though support for new formats can lag.<\/li>\n<li><code>.swf<\/code> files are indexed where directly linked or embedded via <code>object<\/code> o <code>embed<\/code>; content inside a Flash file can lead the robot back to the containing HTML document.<\/li>\n<li><code>frameset<\/code> and <code>frame<\/code> content is indexed, with the source document identified from the frame contents.<\/li>\n<\/ul>\n<h2>Two server-side requirements<\/h2>\n<ul>\n<li><strong>Non-existent URLs must return 404.<\/strong> On receiving it, the search engine removes the document from the index \u2014 which is the mechanism, and the reason a soft-404 leaves deleted pages in place indefinitely. Everything that should be indexed must return <code>200 OK<\/code>.<\/li>\n<li><strong>HTTP headers must be correct<\/strong>, and Yandex singles out the response to <code>If-Modified-Since<\/code>: the <code>Last-Modified<\/code> header must carry the document&#8217;s genuine modification date. A server that lies about this \u2014 returning the current time for every page \u2014 forces re-downloads of unchanged content and spends crawl capacity for nothing.<\/li>\n<\/ul>\n<h2>The practical priorities<\/h2>\n<p>Of everything here, two items produce most of the benefit on real sites: correct <code>404<\/code> handling, and honest <code>Last-Modified<\/code> with working conditional responses. Both are server configuration, both are invisible in a browser, and both are usually wrong.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yandex&#8217;s indexing guidance is a checklist with specific technical limits attached \u2014 the limits are the part worth memorising. The setup steps Add the site in Yandex Webmaster. Submit a sitemap, which can also express crawl priority \u2014 telling the robot which pages update frequently so it plans accordingly. Configure robots.txt: Disallow for technical and [&hellip;]<\/p>\n","protected":false},"menu_order":126,"template":"","meta":{"footnotes":""},"ar_ykb_kategori":[772],"ar_ykb_etiket":[],"class_list":["post-28550","ar_ykb","type-ar_ykb","status-publish","has-post-thumbnail","hentry","ar_ykb_kategori-advice-for-webmasters"],"_links":{"self":[{"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/ar_ykb\/28550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/ar_ykb"}],"about":[{"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/types\/ar_ykb"}],"version-history":[{"count":2,"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/ar_ykb\/28550\/revisions"}],"predecessor-version":[{"id":29093,"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/ar_ykb\/28550\/revisions\/29093"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/media\/28932"}],"wp:attachment":[{"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/media?parent=28550"}],"wp:term":[{"taxonomy":"ar_ykb_kategori","embeddable":true,"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/ar_ykb_kategori?post=28550"},{"taxonomy":"ar_ykb_etiket","embeddable":true,"href":"https:\/\/alienroad.com\/wp-json\/wp\/v2\/ar_ykb_etiket?post=28550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}