An HTTP cookie is a piece of data stored by the user's web browser. Unless otherwise specified, cookies can be created, read, modified and deleted and modified both by JavaScript and from server-side scripts by reading the headers.

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2
votes
1answer
87 views

Redirecting to a default (or last visited) subdirectory. Does Google like this?

i have a site that has 3 web applications, lets use this example: example.com/nicy example.com/mash example.com/zoken The main application is nicy, so if the user comes for the first time (or if ...
4
votes
3answers
2k views

Session cookie being dropped when moving under the SSL

The short version: I've got a session cookie being set on a dev site but it's not being picked up when I move to the SSL (so the shopping cart empties when you go to the checkout). When it's set on ...
0
votes
1answer
589 views

Verify 2 cookies with mod_rewrite before serving images

I have the following mod_rewrite rule, which works fine in my Apache 2.x on CentOS 6 Linux machine, but is not complete: RewriteCond %{HTTP_COOKIE} !id RewriteCond %{REQUEST_URI} ...
2
votes
1answer
202 views

Does adding LinkedIn button to a website result in cookies that track users?

We are planning to add the LinkedIn button in our website. But the restriction we are having is, the website should not use the cookies which collect the personal information. No impersonation. But I ...
2
votes
4answers
438 views

Can someone explain how FaceBook's cookie tracks you while logged out?

This article claims that Facebook tracks what you do, even when you're logged off of Facebook, via cookies. Now, a cookie is just a text file... that is read/written to while you're actually on that ...
2
votes
2answers
66 views

How does this stackexchange form saved the work, I mean keep an auto save function, to retrieve loss of work

How does this stackexchange form saved the work, I mean keep an auto save function, to retrieve loss of work, in case the user's browser crashes.
2
votes
1answer
3k views

What does the Quantcast __qca cookie do?

I'm reviewing the cookies served up from my website and one of them is a first-party cookie __qca which seems to be set by Quantcast. I'm sure this is just used for tracking, but I can't find this ...
1
vote
1answer
136 views

Cookie data transfer

The context is a third-party analytics service, specifically Quantcast, but the inquiries are more general in nature. Please forgive and correct me if any of my assumptions are off, and thank you in ...
14
votes
5answers
3k views

Google Analytics and the EU cookie directive. Who will fall foul of the law? Google or the developer?

So Google uses cookies when performing its usual duties of tracking users on a website. That is just it though; Google are setting the cookies and not your website as such. This is by virtue of the ...
6
votes
3answers
496 views

Why is the EU cookie directive causing so much excitement?

I am confused by all the excitement surrounding the EU cookie directive; why is it such a painful thing? As far as I can see cookies that are required for your site to function are allowed such as ...
0
votes
1answer
384 views

How to use apache mod-rewrite to remove trailing semi-colon on cookie?

We have the following cookie set by a product: Set-Cookie: SSOCookie=T7ngsCmzC2FEq5p2a7o%3D; path=/; domain=.demo.com; We would like to use Apache to remove the trailing ; which doesn't match the ...
28
votes
6answers
3k views

Standard ratio of cookies to “visitors”?

As noted in a recent blog post, We see a large discrepancy between Google Analytics "visitors" and Quantcast "visitors". Also, for reasons we have never figured out, Google Analytics just gets ...
1
vote
2answers
350 views

Temporary redirect needs to detect the URL of original page request from a search engine then redirect again to that page

I've tried searching this an innumerable amount of times with different word combinations, can't seem to crack it. Apparently I do not know the right terms in this situation. When you come to my ...
3
votes
1answer
726 views

SEO for images: can I use a different (cookieless) domain?

We want to increase the value of some of our important images by means of SEO, and we want to start serving them from a different, i.e. cookieless, domain. We want to go from ...
1
vote
2answers
254 views

Can search engines change language and read the cookie?

I am building a multi language website in PHP and prepared all my strings in English by default using gettext() My locale/it_IT/LC_MESSAGES/default.mo file is working correctly and now I need to sort ...
1
vote
3answers
197 views

cookie not being sent when requesting JS

I host a webservice, and provide my members with a Javascript bookmarklet, which loads a JS sript from my server. However, clients must be logged in, in order to receive the JS script. This works for ...
2
votes
2answers
111 views

Google AdSense reloading?

Please tell me something about Google AdSense: 1) Can i reload ads by myself without full-page-reloading? For example refresh AdSense frame or call some script? 2) About "interest-based advertising" ...
1
vote
1answer
795 views

Enforcing a specific order for cookie headers

We have an application that cares about the order of cookie headers. It shouldn't, since this isn't mandated by the standards and indeed we're getting the headers in various different orders So we ...
6
votes
4answers
2k views

How can I tell Google Analytics to not use cookies for my sub domain?

I have my web site at example.com, and i have also setup a sub domain for serving static content at static.example.com. On my web pages I'm using Google Analytics, so it will attach its cookies to all ...
3
votes
5answers
305 views

Variable IPs: How variable are they? Best practices for tracking

There are a lot of questions on StackOverflow relating to session security / session hijacking, but there doesn't seem to be a really good solution to the problem. The three most common suggestions ...
5
votes
1answer
589 views

Forced GZIP Detection on Google App Engine

Some clients are appearing on our Google App Engine instances without the Accept-Encoding header. We normally use the set a cookie with an appended iframe technique (or variation thereof) to detect ...
18
votes
3answers
9k views

How do I set up a cookie-less domain?

I've read that it's best to serve static content (css, javascript, etc.) from a cookie-less domain or subdomain for better performance. I assume a domain is not cookie-less by default. How do I ...
6
votes
3answers
931 views

Multiple google analytics instances on a page?

My company creates (and hosts) sites for many different clients. We allow clients to send us tracking code, including Google Analytics, and we put them on the page. We would also like to include our ...
10
votes
2answers
506 views

How many domains to split components across?

I understand how splitting components across domains can maximize parallel downloads, and enable you to have cookie-free static content domains, but since there's a time cost for each domain lookup ...
7
votes
2answers
3k views

How to use cookies in a secure manner to authenticate users?

In most cases I like using cookies to remember returning users to my websites. In my early/foolish days, I would store a UserID (auto-increment integer) in a cookie and if the user returned I would ...