Сергей Анисимов "Поисковое продвижение сайтов"

https://search.google.com/search-console

75

https://developers.google.com/speed/docs/insights/Leverage BrowserCaching

76

https://support.google.com/webmasters/answei7965697hHru

77

https://httpd.apache.org/docs/1.3/misc/security_tips.html

78

https://technet.microsoft.com/ru-ru/library/jj635855(v=ws.11). aspx

79

https://bugtraq.ru/library/www/xssanatomy.html

80

https://ru.wikipedia.org/wiki/Внедрение_SQL-кода

81

https://support.google.com/accounts/answer/32040?hl=ru%20&rd=2

82

https://support.google.com/webmasters/answer/114016?hl=ru

83

https://wordstat.yandex.ru/

84

http://artgorbunov.ru/bb/soviet/20140728/

85

https://support.google.com/webmasters/answer/1786367hHru

86

http://home.snafu.de/tilman/xenulink.html

87

https://developers.google.com/web/fundamentals/performance/ optimizing-content-efficiency/image-optimization?csw=1

88

https://developers.google.com/speed/?csw=1

89

https://ru.wikipedia.org/wiki/AH6oKCHHr