Tagged Questions

The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
0answers
49 views

Disabled ETag on Apache2 but it still sends ETag

I put the lines below into httpd.conf to turn off ETag Header unset Pragma FileETag None Header unset ETag And I restarted apache2. However, when I checked the header, it still shows ETag: # wget ...
2
votes
1answer
94 views

What strategy should I use for Apache HTTP Server so that newly deployed files have their cache invalidated?

A very common solution is to do the following: <ifModule mod_headers.c> FileETag None Header unset ETag Header set Cache-Control "max-age=0, no-cache, no-store, must-revalidate" ...
6
votes
1answer
158 views

RFC 2616 with Apache 2.4

I'm using Apache 2.4.3 as a reverse proxy due to it's advertised compliance with RFC 2616. My app uses headers like this to enable caching at the proxy: Cache-Control: public, s-maxage=0 Expires: ... ...
2
votes
1answer
3k views

Nginx Cache-Control

Iam serving my static content with ngnix. location /static { alias /opt/static/blog/; access_log off; etags on; etag_hash on; etag_hash_method md5; expires ...
1
vote
1answer
633 views

Apache Caching and Expires configuration

I'm looking for a best possible caching/expires configuration for my specific situation. I realize that some sites have advocated turning etags off: Header unset ETag, FileETag None I know that I ...
0
votes
1answer
683 views

Requesting better explanation for etag/expiration of favicon.ico

Following this article: Configuring favicon with expires header in htaccess Using YSlow, I keep getting: (no expires) http://devwww.someplace.com/favicon.ico Also, YSlow indicates: Grade C ...
7
votes
5answers
3k views

Which reverse-proxies support HTTP/1.1 ETag and If-None-Match headers?

I'm developing a caching system for an ecommerce platform that will use a reverse proxy for caching. I plan to handle invalidation by using proper HTTP/1.1 headers. That is, I will set an ETag on ...
0
votes
2answers
199 views

Prompt server for Etag or MD5

We are a price comparison portal and crawl certain websites on a regular basis. I am looking for a method to save bandwidth by avoiding downloading the same page over and over again if the content did ...
1
vote
2answers
2k views

Apache Etags, need help?

We do not currently use Expire headers, I was going to recommend it but forcing our large development team/business to change their practices and rename static files with each new release isn't going ...
3
votes
1answer
3k views

How to disable ETag headers in Tomcat

Tomcat seems to send an ETag header with each response by default. I'd like to disable these for reasons outlined here. I know I can strip them out in my Apache configuration, but is there any way to ...
1
vote
2answers
1k views

disable etag in IIS 7

Does anyone know how I can disable ETag on IIS 7?
7
votes
1answer
1k views

When should you use and not use Etags?

I was just looking at our site on WebPageTest.org and one of their recommendations for speeding up a website is: ETag headers should generally not be used unless you have an explicit reason to ...
0
votes
1answer
711 views

generate etag of html content

I want to configure varnish to generate etag of html requested content (maybe with md5 of html and vary headers) and to deal with 304 and If-None-Match headers. Is this posible with configuration or ...
1
vote
1answer
1k views

What is Apache's purpose in putting inodes into ETags?

There are plenty of articles on the web detailing why you might not want to use Apache's default inode-mtime-size format for ETags (see e.g. here or here). All such articles recommend the same thing: ...
14
votes
7answers
26k views

yslow says etags are misconfigured. how to configure etags properly on IIS7?

running ySlow on a website I support, I noticed it reported that the etags are misconfigured for the site images (e.g. *.jpg, *.png, *.gif). Can anyone help explain what I have to do to get IIS7 ...