Indexing errors reference

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.

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.

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.