User agents such as browsers use media types to determine how the content should be processed. When a svg image is not served with correct MIME type in the content type header, It might not rendered as intended by the author.
Google weblight is a google service, which shows the compressed view of the webpages listed in the search results when a slow network is detected. It removes websites default styles and js files, So user can view the webpage much quicker. But it can be disabled by setting cache control header to no transform.
Hacking is a very broad topic to discuss. Here I'm going to discuss about one kind of attack that is mainly targeted on website's index files
When we restructure website url, sometimes we need to redirect url from sub folder to root folder [ public_html ]. This can be done in two methods using htaccess.