Server Fault Asked by tompave on December 18, 2021
Nginx allows you to map file extensions to mime types. As the documentation says, it even comes with a pre built list of mime types (pasted at the end of the question).
I’ve always trusted this list, and things work great, but now I’ve noticed that some types are missing.
What about application/javascript and application/json?
It uses the old deprecated application/x-javascript, and I imagine that it’s to ensure IE support… but is it really ok?
Also, what types should be gzipped?
I’ve always used the list in the following snippet, although I admit that it was just part of an example nginx conf file, that I used as an example a few years ago, when I first started working with nginx.
Should I also include application/json?
http {
include mime.types;
default_type application/octet-stream;
gzip_types text/plain text/xml text/css
text/comma-separated-values
text/javascript application/x-javascript
application/atom+xml;
# text/html is included in the gzip list by default
# ...
}
The default mime types in /etc/nginx/mime.types.
types {
text/html html htm shtml;
text/css css;
text/xml xml;
image/gif gif;
image/jpeg jpeg jpg;
application/x-javascript js;
application/atom+xml atom;
application/rss+xml rss;
text/mathml mml;
text/plain txt;
text/vnd.sun.j2me.app-descriptor jad;
text/vnd.wap.wml wml;
text/x-component htc;
image/png png;
image/tiff tif tiff;
image/vnd.wap.wbmp wbmp;
image/x-icon ico;
image/x-jng jng;
image/x-ms-bmp bmp;
image/svg+xml svg svgz;
image/webp webp;
application/java-archive jar war ear;
application/mac-binhex40 hqx;
application/msword doc;
application/pdf pdf;
application/postscript ps eps ai;
application/rtf rtf;
application/vnd.ms-excel xls;
application/vnd.ms-powerpoint ppt;
application/vnd.wap.wmlc wmlc;
application/vnd.google-earth.kml+xml kml;
application/vnd.google-earth.kmz kmz;
application/x-7z-compressed 7z;
application/x-cocoa cco;
application/x-java-archive-diff jardiff;
application/x-java-jnlp-file jnlp;
application/x-makeself run;
application/x-perl pl pm;
application/x-pilot prc pdb;
application/x-rar-compressed rar;
application/x-redhat-package-manager rpm;
application/x-sea sea;
application/x-shockwave-flash swf;
application/x-stuffit sit;
application/x-tcl tcl tk;
application/x-x509-ca-cert der pem crt;
application/x-xpinstall xpi;
application/xhtml+xml xhtml;
application/zip zip;
application/octet-stream bin exe dll;
application/octet-stream deb;
application/octet-stream dmg;
application/octet-stream eot;
application/octet-stream iso img;
application/octet-stream msi msp msm;
audio/midi mid midi kar;
audio/mpeg mp3;
audio/ogg ogg;
audio/x-m4a m4a;
audio/x-realaudio ra;
video/3gpp 3gpp 3gp;
video/mp4 mp4;
video/mpeg mpeg mpg;
video/quicktime mov;
video/webm webm;
video/x-flv flv;
video/x-m4v m4v;
video/x-mng mng;
video/x-ms-asf asx asf;
video/x-ms-wmv wmv;
video/x-msvideo avi;
}
I've compiled a list that is shorter and I believe more appropriate for today's standards:
types {
application/atom+xml atom;
application/dart dart;
application/gzip gz;
application/java-archive jar war ear;
application/javascript js jsonp;
application/json json;
application/owl+xml owl owx;
application/pdf pdf;
application/postscript ai eps ps;
application/rdf+xml rdf;
application/rss+xml rss;
application/vnd.ms-fontobject eot;
application/x-7z-compressed 7z;
application/x-bittorrent torrent;
application/x-chrome-extension crx;
application/x-font-otf otf;
application/x-font-ttf ttc ttf;
application/x-font-woff woff;
application/x-opera-extension oex;
application/x-rar-compressed rar;
application/x-shockwave-flash swf;
application/x-web-app-manifest+json webapp;
application/x-x509-ca-cert crt der pem;
application/x-xpinstall xpi;
application/xhtml+xml xhtml;
application/xml xml;
application/xml-dtd dtd;
application/zip zip;
audio/midi kar mid midi;
audio/mp4 aac f4a f4b m4a;
audio/mpeg mp3;
audio/ogg oga ogg;
audio/vnd.wave wav;
audio/x-flac flac;
audio/x-realaudio ra;
image/bmp bmp;
image/gif gif;
image/jpeg jpe jpeg jpg;
image/png png;
image/svg+xml svg svgz;
image/tiff tif tiff;
image/webp webp;
image/x-icon cur ico;
text/cache-manifest appcache manifest;
text/css css less;
text/csv csv;
text/html htm html shtml;
text/mathml mml;
text/plain txt;
text/rtf rtf;
text/vcard vcf;
text/vtt vtt;
text/x-component htc;
text/x-markdown md;
video/3gpp 3gp 3gpp;
video/avi avi;
video/mp4 f4p f4v m4v mp4;
video/mpeg mpeg mpg;
video/ogg ogv;
video/quicktime mov;
video/webm webm;
video/x-flv flv;
video/x-matroska mkv;
video/x-ms-wmv wmv;
}
I've deliberatly ommited all the Office related types.
Answered by Alix Axel on December 18, 2021
The most comprehensive, modern, and compatible configuration is found in the h5bp GitHub repository.
application/x-javascript is old and not needed for Internet Explorer support.
I won't paste the configurations here, because some people might copy/paste them. Instead I directly link to the master files within the h5bp repository. This ensures that people will always copy/paste the latest version:
Generally it's wise to only set the MIME/gzip types that you're really going to serve. This will speed up nginx because it can fall back very fast and the list is short.
Answered by Fleshgrinder on December 18, 2021
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