Htmlbook.ru has robots.txt file. Http response code is 200.
Robots size is small. It is about 198 kb and 60 rows.

Host directive is not presented for domain htmlbook.ru in robots.txt file.
Array
(
    [*] => Array
        (
            [allow] => Array
                (
                    [0] => /core/*.css$
                    [1] => /core/*.css?
                    [2] => /core/*.js$
                    [3] => /core/*.js?
                    [4] => /core/*.gif
                    [5] => /core/*.jpg
                    [6] => /core/*.jpeg
                    [7] => /core/*.png
                    [8] => /core/*.svg
                    [9] => /profiles/*.css$
                    [10] => /profiles/*.css?
                    [11] => /profiles/*.js$
                    [12] => /profiles/*.js?
                    [13] => /profiles/*.gif
                    [14] => /profiles/*.jpg
                    [15] => /profiles/*.jpeg
                    [16] => /profiles/*.png
                    [17] => /profiles/*.svg
                )

            [disallow] => Array
                (
                    [0] => /core/
                    [1] => /profiles/
                    [2] => /README.txt
                    [3] => /web.config
                    [4] => /admin/
                    [5] => /comment/reply/
                    [6] => /filter/tips
                    [7] => /node/add/
                    [8] => /search/
                    [9] => /user/register
                    [10] => /user/password
                    [11] => /user/login
                    [12] => /user/logout
                    [13] => /index.php/admin/
                    [14] => /index.php/comment/reply/
                    [15] => /index.php/filter/tips
                    [16] => /index.php/node/add/
                    [17] => /index.php/search/
                    [18] => /index.php/user/password
                    [19] => /index.php/user/register
                    [20] => /index.php/user/login
                    [21] => /index.php/user/logout
                )

        )

)
#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
  • код 200 http://htmlbook.ru/robots.txt