--- metadata: - name: generator content: Diplodoc Platform v5.54.4 alternate: - https://yandex.ru/support/webmaster/en/error-dictionary/indexing.md - https://yandex.ru/support/webmaster/ru/error-dictionary/indexing.md - href: en/error-dictionary/indexing.md type: text/markdown title: Markdown version - href: ../llms.txt type: text/markdown title: llms.txt --- > **Documentation Index:** Fetch the complete configuration index at https://yandex.ru/support/webmaster/en/llms.txt # Indexing errors reference ## Download errors {#load} If the Yandex robot fails to download a document from your site, it returns an error. Below is the list of possible errors. #| || **Error** | **Description** || || Connection failure | Connection interrupted when trying to download a document. After several attempts the download was stopped. || || Text size limit exceeded | The document size exceeds the limit of 10 MB. || || Document blocked from indexing in `robots.txt` | The document isn't indexed because it's blocked from indexing in the `robots.txt` file. || || Invalid document address | The document address doesn't meet the HTTP standard. || || Document format not supported | The server doesn't indicate the document format or indicates it incorrectly, or the indicated format isn't supported by Yandex. || || DNS error | DNS error. IP address of the host could not be determined by its name. || || Invalid HTTP status code | The server returns a status code that doesn't match the HTTP standard. || || Invalid HTTP header | HTTP header does not match the standard (including Yandex extension). || || Connection with the server could not be established | When the robot tried to access the site, the server didn't respond or interrupted the connection. || || Invalid message length | Message length is not indicated or is indicated incorrectly. Check the contents of the `content-length` header. The header size mustn't exceed the actual size of a document. || || Wrong encoding | Transfer-Encoding header is set incorrectly or the encoding is unknown. || || Invalid data amount transferred | The length of transferred data doesn't match the stated length. Data transfer is finished before or goes on after receiving the stated amount of data. || || Maximum HTTP header length exceeded | The length of HTTP headers exceeded the limit. It may be caused by the attempt to pass too many cookies. || || Maximum URL length exceeded | The length of the address (URL) exceeds: - 1024 bytes in the domain name. - 1024 bytes in the host page address. || |# ## Processing errors {#processing} The robot returns an error if it downloads a document successfully, but can't process it. Below is the list of possible errors. #| || **Error** | **Description** || || The document contains the `noindex` meta tag | The document is not indexed because it contains the `noindex` meta tag. || || Wrong encoding | The document contains characters that do not match the declared encoding. || || Document is a server log | The document was recognized as a server log. If it is a page created for site visitors, try to change it so that it won't look similar to a server log. || || Invalid document format | The robot found that the document doesn't match the declared format (HTML, PDF, DOC, RTF, SWF, XLS, PPT). || || Encoding not recognized | Document encoding wasn't recognized. Perhaps, the document doesn't contain text or contains text in different encodings. || || Language not supported | The document language isn't recognized or isn't supported. For details about all supported languages go to the [relevant help section](https://yandex.ru/support/webmaster/en/yandex-indexing/locale-pages.md#supported-language). || || Document does not contain text | The server returns an empty document. || || Too many links | The number of links on the page exceeds the limit. || || Extraction error | There was an error unpacking GZIP or DEFLATE data stream from the server. || || Empty server response | The server returned a response of zero length. Contact the administrator of the hosting server. || || Document is not canonical | The `link` element in the document code contains the `rel` attribute set to`canonical` and pointing to another (canonical) document. Canonical document was indexed instead of the current document. || |#
{% cut "Contact support" %} If pages are accessible to the indexing bot and [sent for reindexing](https://yandex.ru/support/webmaster/en/robot-workings/site-reindex.md) but do not appear in the search for more than two weeks, fill out the form below:
{% endcut %}



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