**Author:** `metatron`
**Description:**
When loading a gagdget or custom script from eg. meta/mediawiki/enwiki with
-mw.loader.load('//meta.wikimedia.org...&maxage=86400&smaxage=86400')
the responded cache-control directive is
- private, s-maxage=0, max-age=0, must-revalidate
which prevents these scripts from being cached properly and causes a lag (40-500ms) on each call.
(IMHO JS pages should have a reasonable default > 0)
Example with requested cache:
Remote Address:xx.xx.xx.xx:443
Request URL:https://meta.wikimedia.org/w/index.php?title=User:Hedonil/Test/XTools.js&action=raw&ctype=text/javascript&maxage=86400&smaxage=86400
Request Method:GET
Status Code:304 Not Modified
Request Headersview source
Accept:*/*
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en,no;q=0.8,nb;q=0.6,vi;q=0.4,nl;q=0.2,zh;q=0.2,ru;q=0.2,en-US;q=0.2,zh-CN;q=0.2,zh-TW;q=0.2
Connection:keep-alive
centralnotice_bucket=0-4.2; uls-previous-languages=%5B%22en%22%5D; mediaWiki.user.sessionId=4n8HMszYkP6cFIWMpzFAXdt0yQt1KsLK; metawiki-campaign=loginCTA; metawikiUserID=4326783; metawikiUserName=Anthelix; metawikiSession=d8f8b1cff708d4d092ddc67b62df397d; centralauth_User=Anthelix; centralauth_Session=9057b1467cc6fa35e848cc313af5f71c; forceHTTPS=1
Host:meta.wikimedia.org
If-Modified-Since:Wed, 13 Aug 2014 04:18:39 GMT
Referer:https://en.wikipedia.org/wiki/Charles_Schild
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36
Query String Parametersview sourceview URL encoded
title:User:Hedonil/Test/XTools.js
action:raw
ctype:text/javascript
maxage:86400
smaxage:86400
Response Headersview source
Accept-Ranges:bytes
Age:0
Cache-Control:private, s-maxage=0, max-age=0, must-revalidate
Connection:keep-alive
Content-Encoding:gzip
Content-Type:text/javascript; charset=UTF-8
Date:Wed, 13 Aug 2014 07:55:42 GMT
Last-modified:Wed, 13 Aug 2014 04:18:39 GMT
Server:nginx/1.1.19
Vary:Accept-Encoding
Via:1.1 varnish, 1.1 varnish, 1.1 varnish
X-Cache:cp1065 miss (0), amssq50 miss (0), amssq31 frontend miss (0)
X-Content-Type-Options:nosniff
X-Varnish:948365503, 2378009697, 4022640906
ConsoleSearchEmulationRendering
Example without requested directive:
Remote Address:xx.xx.xx.xx:443
Request URL:https://en.wikipedia.org/w/index.php?title=MediaWiki%3AGadget-HotCat.js%2Flocal_defaults&action=raw&ctype=text/javascript
Request Method:GET
Status Code:304 Not Modified
Request Headersview source
Accept:*/*
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en,no;q=0.8,nb;q=0.6,vi;q=0.4,nl;q=0.2,zh;q=0.2,ru;q=0.2,en-US;q=0.2,zh-CN;q=0.2,zh-TW;q=0.2
Connection:keep-alive
Cookie:centralnotice_bucket=1-4.2; uls-previous-languages=%5B%22en%22%5D; mediaWiki.user.sessionId=2QWfgI0PCzO7nqVHetUbLsTGj025kox1;enwikiSession=a2cd738feeaa6203a52e18e27710a479; centralauth_User=Anthelix; centralauth_Session=9057b1467cc6fa35e848cc313af5f71c; forceHTTPS=1
Host:en.wikipedia.org
If-Modified-Since:Mon, 23 Jun 2014 19:15:43 GMT
Referer:https://en.wikipedia.org/wiki/Charles_Schild
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36
Query String Parametersview sourceview URL encoded
title:MediaWiki:Gadget-HotCat.js/local_defaults
action:raw
ctype:text/javascript
Response Headersview source
Accept-Ranges:bytes
Age:0
Cache-Control:private, s-maxage=0, max-age=0, must-revalidate
Connection:keep-alive
Content-Encoding:gzip
Content-Type:text/javascript; charset=UTF-8
Date:Wed, 13 Aug 2014 07:55:42 GMT
Last-modified:Mon, 23 Jun 2014 19:15:43 GMT
Server:nginx/1.1.19
Vary:Accept-Encoding
Via:1.1 varnish, 1.1 varnish, 1.1 varnish
X-Cache:cp1053 miss (0), amssq55 miss (0), amssq54 frontend miss (0)
X-Content-Type-Options:nosniff
X-Varnish:2605122819, 917135542, 2533692991
--------------------------
**Version**: unspecified
**Severity**: normal