I have joined a few different Stack Exchange communities and I have noticed that when I join a new one, like this, my reputation points go to 1, even though I have more reputation on other Stack Exchange sub domains.  I am joining or logging into Stack Exchange via my Google account, and thought because I used the same Google account when logging in, my reputation points would transfer over.  I am not a reputation hog or overly concerned about fake internet points, but when browsing other Stack Exchanges and clicking other people's user names, I noticed (or thought I noticed) reputation from other sub domains seemed to transfer to the all sub domains. For instance, a guy in the DIY Stack Exchange has 2k reputation earned from the WordPress Stack Exchange (just an example).  So I guess my question is two parts:   Is reputation on Stack Exchange websites cross domain? If so, how does one link their Stack Exchange logins?
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On Stack Exchange, users may gain a certain level of reputation.  What does reputation do? How can a user gain or lose reputation?   See also   in the Help Center  - Maximum amount of votes a user can use in a day and reputation requirements to vote.  - How to get an exact overview of the actions that got you your reputation.  - A full list of all privileges granted at each reputation level on all sites.
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I have created my StackOverflow Careers panel, and when I click 'add a stack overflow account with over 200 reputation' the site decides that I have no StackOverflow account at all, although my current one has over 300. I log in to both with the same StackExchange Account with the same email etc so I'm curious as to why this is happening.
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Everywhere I go, I am asked to create a new account. Why don't all Stack Exchange sites have a single login credential and reputation carrying?
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I have enough reputation to open a meta question in one community, but I don't have enough reputation to open a meta question in a different community.   I thought the point of requiring some reputation was to filter out spammers, wouldn't some reputation in any community show that a user isn't a spammer?
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Initially I thought that Meta Stack Overflow was the common meta for all SE sites.   Then I noted that  has its own meta site.   It took a while for me to learn that even Server Fault has its own meta site.  Looking at my reputation points, I see difference between Stack Overflow and Meta Stack Overflow, but not between the other sites and there corresponding meta sites.  Now, is Meta Stack Overflow in some sense the master meta site of all or not?
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I'm trying to become more active on stack exchange sites (specifically StackOverflow, but also ServerFault and Meta sites), but I'm having some trouble with it.   I managed to get a small amount of reputation on  as our company started heavily using the product, but I'm having trouble on the more populated sites like SO, where most of my questions are already asked and questions have answers faster than I can give them.  The problem is, I would like to be able to comment and up- or down-vote comments and answers as a way to contribute to the community, but I can't because I can't find questions to ask or answer.  So how should new users get started on stack exchange sites?
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I just visited Ask Ubuntu (askubuntu.com) while logged into Stack Exchange, and noticed that "join this community" doesn't appear:    It is similarly broken on Math Overflow (mathoverflow.net). It works, however, on all sites that are subdomains of stackexchange.com, like Mathematics (math.stackexchange.com) and Academia.  I'm using Google Chrome version 46.0.2490.86 on Windows 8.1 Update 1.  (I don't know if this can actually be fixed, given how cookie security works, but I figured Stack Exchange should be aware of the issue.)
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Due to my reputation on Stack Overflow, I have access to different review queues. I want to know if it will change my score/reputation or if it will only provide me some badges?  Maybe this part seems a bit odd, but I want to know why some users spend so much time in the review queues? Is it something about their passion about Stack Overflow or their passion to help others inside the community or does it have some other reasons which I've missed?  P.S. I have read some information like  and  but I will be grateful to have your answer about this.
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So, the people on SuperUser are really awesome and I'm glad you guys are keeping that place full of information.   However, I visited SuperUser today after my little plugin told me that I had visited SuperUser for 30 consecutive days. The thing is, I almost never visit SuperUser. So obviously I was surprised to learn that I got a badge for visiting a site I never go to.  I'm guessing this is not a program issue. So, my theory is that it has to do with this plugin I have on Google Chrome. Everyday, multiple times a day, it goes to my recent activity page on all 4 sites and finds out my rep.   Would this be how I got my badge?
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I just noticed a weird thing in my reputation tab on StackOverflow.    That last question mentioned (but not linked, had to find it via search):   I must have amnesia as I have no memory of ever interacting with this post. I don't even know what xampp and pdftk are so I don't know why I would even be interested in such a question. 2 reputation points more or less is not a big deal, but the fact I got rep change from question I've never seen before is odd and I'm wondering what happened.
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It seems that my profile no longer shows other accounts that I have in Stack Exchange:   You have no other accounts on the    I haven't checked all my accounts, but it's happening at least in Stack Overflow, Meta and Board and Card Games. This morning, I could see my other accounts just fine. It's a bit of a bother because I use those links to change between my accounts.
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I am not sure it's the right place to post this as it's common to all Stack&nbsp;Overflow sites. I suggest sorting sites by user reputation and then alphabetically in the all-sites list of the Stack&nbsp;Overflow button.
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On Stack Overflow, when I look on my account it currently shows 1,040 reputation. However the graph shows 100 more reputation, sitting at 1,140.  Is there some sort of bug or error happening to cause this? How can I fix this?
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My two main questions:  Are all URLs that include your User Id tracked?  Can the visitors who use the tracked URLs have Stack Exchange accounts?   Specifically: Recently the ability to earn badges for sharing links to posts on Stack Exchange sites . I'd like to know when and how this tracking works. It's clear that if you go to a question, and make use of the link button, you will get a URL with your User ID that will be tracked if a visitor uses it to get to SO. For example, let's use  as an example. It's regular URL is:  https://stackoverflow.com/questions/309300/defend-php-convince-me-it-isnt-horrible  If you go to that page and use &quot;save link as&quot; in the link section of the question you will be given a tracked url with your User ID:  https://stackoverflow.com/q/309300/[USER ID]  My question is, are there other URLs that would be tracked? All of the following URLs take you to the Question / Answer, but are they tracked? For example what if I just tack my User ID onto the long url?  https://stackoverflow.com/questions/309300/defend-php-convince-me-it-isnt-horrible/[USER ID]  What if I add my User ID to an answer URL?  https://stackoverflow.com/questions/309300/defend-php-convince-me-it-isnt-horrible/309622#309622/[USER ID]  or even  https://stackoverflow.com/q/309622/[USER ID]   Is there a way to know that a URL is being tracked? Is there some sort of format to follow? Are the only tracked URLs the ones provided in the Question links? Finally, does this sentence from the blog post mean that visitors cannot have an account?  Also, the tracked IPs must originate from outside our existing network.
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I noticed that the reputation from the main site carried over to meta on Gaming (at least the first upvote), I guess that doesn't work the other way around, right?  Is it then impossible to have a meta reputation higher than the site reputation?
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The "Reputation &amp; Moderation" page on any site (/help/site-moderators) still refers to the company behind Stack Exchange as Stack Exchange and not Stack Overflow.     Moderators act as a liaison between the community and Stack Exchange the company.   Seeing as how the name change was recent, I'm not surprised this hasn't been caught yet, and I'm sure there are other instances of this around somewhere.
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Update: Universal login is in place and considered &quot;done&quot;. If you see anything weird, please submit new bug reports.   As y'all know, our current flavor of &quot;global authentication&quot; leaves a few things to be desired. It's flaky, requires a page refresh, etc. etc. Wouldn't it be nice if you could just sign in once and be automatically logged in across the network?  We are ready to roll out Stage 1 of Project &quot;Make Authentication Suck Less&quot;. It is live as of a few minutes ago. What this means right now:  When you log into any Q&amp;A site on the stackexchange.com domain, you will be automatically logged into all other Q&amp;A sites on the stackexchange.com domain + stackexchange.com itself.   is excluded from this.   , , and other Q&amp;A sites with their own domains will still use the old flow.  We are going to recognize you in some ways on sites where you don't have a profile. This is still a work in progress, but most notably you will see &quot;join this community&quot; in the top bar instead of &quot;sign up&quot; and &quot;log in&quot;.   But I use multiple accounts! What do? We aren't intending to break the ability to run multiple accounts. The same guidelines as before still apply — we don't officially support that, you might end up with an accidental automatic merge if you're not careful with your credentials, any interaction between the accounts is right out, and so on. If you're already using different browsers or different browser profiles for your accounts, nothing will change for you. If you are somehow logged into multiple accounts in the same browser... I'm sorry to say, but that's a bug even for our current global auth setup. You will now only be able to log into one at a time, and you'll need to log out when you want to switch. (Or start using different browsers.) What's next:  Remember  we tested a few months ago? It's coming back. Stage 2: bring other domains into the fold (this is also live now) Stage 3: make cross-domain experience smoother and support browsers that reject third-party cookies in all conditions (looking at you, Safari) - this is not currently feasible. Safari users and users who reject third-party cookies will need to sign in separately to every second-level domain (e.g. stackexchange.com, stackoverflow.com, etc).  If you see any issues… Good luck, because you probably can't log in to report them here. =) But seriously, let us know via the contact form linked at the bottom of any page. If you are able to log in, report issues here on meta as normal. So, in conclusion…