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42 votes
Accepted

What does the number "people reached" on the profile page mean?

The "people reached" is calculated as sum of views of non-deleted questions-threads to which you contributed a 'significant' post, where significant means (I think this is still current We're ...
quid's user avatar
  • 42.2k
42 votes
Accepted

What happened on April 2017?

This, I think, is the move to https links, where all the links which point to SE were silently edited in the background from http...
Asaf Karagila's user avatar
  • 395k
38 votes
Accepted

Statistically, how does question length relate to community response?

TL;DR: the longer, the better. Based on the current data, longer questions tend to get a higher ratio of upvotes than shorter questions. There is not enough data to determine an 'optimal' question ...
Glorfindel's user avatar
  • 3,955
31 votes
Accepted

When is peak time for this website?

Sometimes I want to ask a question, but I am afraid that not many users are active in the moment. That's a valid concern, but the other side of the coin is that there a not many users who are posting ...
Glorfindel's user avatar
  • 3,955
30 votes
Accepted

Has the upvoting really gone down?

Is this really happening or is it just me who feels that? In relative terms, yes, this effect is real. However, it is not that users stopped voting. In absolute terms more votes are cast. The issue ...
quid's user avatar
  • 42.2k
26 votes

Identify our millionth question

As already mentioned in the comments, the 1000000th question will change over time. For example, depending on deletions/undeletions, migrations here/away etc. It also depends on your definition - do ...
Martin Sleziak's user avatar
22 votes

Is this site overloaded?

It's not really that valuable (to you) to worry about "the site" being "overloaded". What's more important to you is how many people are watching the major tags of your question, pde in this case, and ...
Derek Elkins left SE's user avatar
20 votes

Is this site overloaded?

Regarding statistics, there is an Unanswered Tracker bot that posts in the Crusade of Answers chatroom that indicates that the number of unanswered questions on this site increases by about 200 ...
Mike Pierce's user avatar
20 votes
Accepted

Which question on MSE has the most failed attempts?

According to this page, here are some of the questions with the greatest number of deleted answers, and with only $0$ or $1$ answer: Apparently, How does one prove the matrix inequality $\det\left(6(...
Watson's user avatar
  • 23.8k
17 votes
Accepted

Identify our millionth question

At the time when the 1-millionth question was actually posted, a screenshot was taken, see (scroll down) here , see also below. As noted by Isabella, this was Separation Properties in Topology. I ...
Andreas's user avatar
  • 15.3k
16 votes
Accepted

What are the current statistics of migrations to other sites?

Overall there are very few migrations. Over the last 90 days there were only 8 migrations to Cross Validated (the statistics site) and also 8 to Physics (one of them rejected). Moreover there were 2 ...
quid's user avatar
  • 42.2k
16 votes

What are the current statistics of migrations to other sites?

Trevor Gunn's user avatar
  • 27.3k
16 votes

2021: a year in moderation

This is the difference from 2020 to 2021, computed as percentage increase, $$\frac{\textsf{newstat}-\textsf{oldstat}}{\textsf{oldstat}}\%.$$ Action Moderators Community Users suspended 41 % 22 % ...
Pedro's user avatar
  • 122k
15 votes
Accepted

When and why is there traffic on MSE

I do not have real answers to your questions, but perhaps I can at least give some pointers to some data. Traffic depending on the hour of day As I have mentioned in the comments, there are some ...
Martin Sleziak's user avatar
12 votes

History of Math.StackExchange

According to my screenshot, the 1 millionth question was just posted today by Firat Celebi Sadly, like those counts of who is the millionth person to walk over a bridge, I don't think there is ...
wolfies's user avatar
  • 5,184
12 votes
Accepted

What MathJax commands are most often used on this site?

It's possible to analyze this with help of the Stack Exchange Data Explorer if you know a bit of SQL. The procedure is as follows: Split the body of the post into several chunks, splitting on the <...
Glorfindel's user avatar
  • 3,955
12 votes

Can we have "2021: a year of EoQS"?

There needs to be an analysis of whether this year's EQOS changes have improved the site or damaged it, and to what extent. If a large part of the community identified a problem and felt something ...
Henry's user avatar
  • 158k
12 votes

Measuring the health of MSE over time (in terms of activity)

I feel like I should post an answer, despite not giving any data you specifically asked for, because the Site Analytics I mentioned in comments does in fact show a recent dip in posts (Qs and As) and ...
Calvin Khor's user avatar
12 votes
Accepted

Statistics of fraction of questions closed per month (posted that month itself)

For such inquiries, SEDE seems like a reasonable tool. I have tried to do some queries - I have no doubt that they can be modified and improved in various ways. Description of the queries posted below ...
Martin Sleziak's user avatar
11 votes
Accepted

Are there any users who have invested more than what they presently have?

As already mentioned in comments, SEDE can be used for such queries. I took the query showing the users with most bounties awarded and I have sorted it based pm percentage of the reputation given away ...
Martin Sleziak's user avatar
10 votes

Where can one find data on users' voting?

Data explorer is a good tool to find various statistics about SE sites. You can find various already existing queries ordering users by percentage of downvotes. I took this query and modified it to ...
Martin Sleziak's user avatar
10 votes
Accepted

Are more users deleting their accounts now than in the past?

As far as I know, we cannot get some data on dates of account deletions from the Stack Exchange Data Explorer (SEDE). Still, for deleted users we can find the date when they posted their last post. (...
Martin Sleziak's user avatar
9 votes

New site theme - are there statistics on how readership has changed?

This data has been a bit longer time coming than first expected... but the wait is over and I have some interesting results for you... but not a lot of answers. Based on the question and comments ...
Catija's user avatar
  • 147
9 votes
Accepted

How much have I written?

As suggested in the comments, some statistics might be available using SEDE. In particular, you can see what data about the posts are available in Database schema documentation for the public data ...
8 votes
Accepted

Which reviews are rarer than others?

At the time of writing, the global number of reviews done was: Close: 398,338 Suggested Edits: 262,766 First Posts: 210,381 Low Quality: 205,281 Reopen: 69,808 Late Answer: 23,339 Personally, I was ...
quid's user avatar
  • 42.2k
8 votes

Statistics of visits on M.SE

This is more of a supplement to quid's answer. Regular users can only see the visits information for their own account. Where in your own profile you might see looking at another user's profile will ...
user642796's user avatar
  • 52.2k
8 votes
Accepted

Which tags have the largest proportion of closed questions?

Per the OP's request I am expanding my comment a bit and posting it as an answer. (With hope that somebody will post something better.) Data Explorer might be a useful tool for finding similar ...
Martin Sleziak's user avatar
8 votes

What is the record for the fastest close vote, and which question achieved this accolade?

The fastest close vote is hard to tell (without developer-level access to the Stack Exchange database). SEDE stores close votes but the timestamps are truncated to 12am UTC the day there were cast. ...
Glorfindel's user avatar
  • 3,955

Only top scored, non community-wiki answers of a minimum length are eligible