The term comes from the 1944 movie Gaslight, in which a romantic swindler tries to convince his new wife she is insane by lowering the gas fueled lights in their home.
Psychopathic individuals may even try to convince victims that it is they who are “crazy.” This is so common, that victims talking on the internet have adopted the term “gas lighting” to refer to this practice.
HTML Version : This shows the version od coding you used in the design of your site.
: This is to let the used by the search engines, know how to navigate your site. Responsive : Shows whether or not your site which is compatible with desktop computers, is also compatible with tablet computers and mobile devices.
Text Size : This is the size of the pure text on your site, after HTML has been removed.
Information : Charset : ASCII was the first character encoding standard (also called character set).You can prepare a sitemap page named in meta language section on internet site is.