Indexing errors reference
Download errors
List of errors returned by the Yandex robot if it fails to download a document from your site.
| 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 is too long, try to break it in parts. |
| This document is prohibited in the robots.txt file | The document is not indexed because you of another administrator prohibited it 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 | Connection with the server could not be established. |
| Invalid message length | Message length is not indicated or is indicated incorrectly. |
| Incorrectly 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 URL address exceeds the limit. |
| 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 is too long, try to break it in parts. |
| This document is prohibited in the robots.txt file | The document is not indexed because you of another administrator prohibited it 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 | Connection with the server could not be established. |
| Invalid message length | Message length is not indicated or is indicated incorrectly. |
| Incorrectly 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 URL address exceeds the limit. |
Processing errors
List of errors returned by the robots in case they downloaded the document successfully but further processing was impossible.
| Error | Description |
|---|---|
The document contains the noindex meta tag | The document isn't indexed because it contains the noindex meta tag. |
| Incorrectly 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. |
| 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 tocanonical and pointing to another (canonical) document. Canonical document was indexed instead of the current document. |
| Error | Description |
|---|---|
The document contains the noindex meta tag | The document isn't indexed because it contains the noindex meta tag. |
| Incorrectly 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. |
| 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 tocanonical and pointing to another (canonical) document. Canonical document was indexed instead of the current document. |