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Questions tagged [cdn]

For questions relating to Stack Exchange's content delivery networks.

5
votes
1answer
72 views

Was access to unminified JS code via cdn-dev.sstatic.net deliberately removed?

It used to be possible to access the unminified versions of (most) Stack Exchange JS files via cdn-dev.sstatic.net (as opposed to the usual cdn.sstatic.net host that serves the minified versions). It ...
3
votes
0answers
41 views

A site URL changed and now its icon in SEDE is broken

This has happened before, and it's happened again, all because Cognitive Sciences recently was renamed Psychology & Neuroscience, with a change to the URL. The first thing that needs to be fixed ...
-1
votes
1answer
165 views

Is the Stack Overflow secure communication out of date? [closed]

For the past couple of weeks, I've not been able to use Stack Exchange because the CSS is not loading. On Meta it works fine since they use a static CSS, but on Stack Exchange, the CSS doesn't load. I'...
3
votes
1answer
145 views

cdn.sstatic.net is blocked by company firewall

The site http://cdn.sstatic.net/ is blocked by my company firewall. When I try to access it, it shows as blocked due to category "content delivery networks" Due to this, stackoverflow.com is only ...
3
votes
0answers
92 views

Issues with cdn.sstatic.net - HTTP 409 returned

We are getting layout problems on stackoverflow from our location since a while now. When we trace down the issue we saw that all resources from cdn.sstatic.net (e.g. CSS files) returns with HTTP 409. ...
-3
votes
1answer
243 views

I can’t access many Stack Exchange sites. Please fix your CloudFlare CDN [closed]

I’m unable to get any Stack Overflow, Super User, Server Fault, and security.stackexchange pages displayed correctly if I’m logged in (maybe this list is incomplete). After looking at my debugging ...
2
votes
0answers
83 views

409 error while accessing static resources on Stack Overflow (cdn.sstatic.net) [closed]

My browser window looks as follows: I have figured out that the problem is came from static resource URLs: There is no problem when using public web proxies (like hide.me), so I think it is on a ISP'...
3
votes
0answers
34 views

Stack Exchange CDN intermittently very slow lately

I am behind an office firewall, likely located in Munich My smartphone via Amsterdam is not affected I have seen the other answers from 2011 and such, but just this week both JS and CSS have this ...
2
votes
0answers
49 views

Per-site metas broken when using HTTPS [duplicate]

I just noticed that trying to visit one of the per-site metas using HTTPS will (after confirming the security exception due to the limitations of SSL wildcard certificates) give a 403 error: Yes, I ...
2
votes
0answers
85 views

Some static images are not found on CDN when visiting My Profile

Some images are not present when I visit My Profile on careers. GET http://cdn-careers.sstatic.net/careers/cso/Img/arrow-gray-right-sm.png?v=8343ddbf8343 404 (Not Found) GET http://cdn-careers....
4
votes
0answers
147 views

Using Google CDN to load scripts gives poor user experience in China [duplicate]

Here in China, pretty much everything by Google is blocked by the government. If you request anything from a Google domain, it will give the appearance of loading for a while and then give back a DNS ...
3
votes
1answer
64 views

Issues with sstatic.net [closed]

I'm having issues with most of the SE sites if they use sstatic.com to server their static files (Like Area51). Files are just not being downloaded. I tried on 2 different connections (3G and DSL) ...
1
vote
0answers
63 views

Http version of Stack Overflow doesn't show icons

Recently, the http version of Stack Overflow doesn't show voting icons. This is due to a XML error in the svg file that's being served. To reproduce: Go to Dictionaries and files in python for ...
32
votes
2answers
959 views

For what is clc.stackoverflow.com used?

When loading a question, I noticed calls to clc.stackoverflow.com. Upon loading the subdomain's landing page, I only get this uninformative message: Oh, hi. I didn't see you there. SE's CDN has a ...
8
votes
0answers
148 views

sstatic.net blacklisted for bad reputation: What can I do?

We are behind a Websense proxy at work and since this weekend the sstatic.net domain doesn't answer anymore. This has some unpleasant side effects. For example the loading of a Stack Overflow page ...
3
votes
1answer
65 views

why would some features of stackoverflow be unavailable for me at home but available at work [closed]

I'm suddenly having difficulty getting to Stackoverflow from home. The pages are slow to load and displaying without styling. But other sites seem to be working fine. Checking network tools I see ...
17
votes
0answers
235 views

Why does sstatic.net serve cookies?

According to sstatic.net: This is a fast, cookieless domain intended for static content delivered to the Stack Exchange family of websites However, all responses from the server set a cookie ...
3
votes
1answer
102 views

cdn-chat.sstatic down, 500 error on loading master-chat.js [closed]

Well, title says everything. Trying to get the http://cdn-chat.sstatic.net/chat/Js/master-chat.js script fails with a 500 error which won't allow you to change/join rooms at all. Pls fix :( Actually ...
0
votes
0answers
18 views

cdn.sstatic.net not reachable via IPv6 http [duplicate]

http://cdn.sstatic.net/askubuntu/all.css http://[2400:cb00:2048:1::be5d:f53a]/askubuntu/all.css is not reachable via IPv6. When trying to access any site, cdn.sstatic.net is not reachable via IPv6 ...
2
votes
1answer
890 views

Newsletter, Outlook hangs “Contacting cdn.sstatic.net”

Something in the Newsletter emails causes Microsoft Outlook to hang for about a minute when I try to open them. This used to happen a while ago, then stopped happening (for the last few months?), ...
2
votes
1answer
546 views

https requests to cdn.static.net fail on IE9

I am currently using Internet Explorer 9 on Windows Server 2008. It seems that all https-requests to cdn.sstatic.net (SE's cookieless domain) fail. The corresponding http-request works fine for me. ...
3
votes
0answers
173 views

cdn.sstatic.net cannot be accessed in China

By watching Web Inspector of Safari, it is observed that cdn.sstatic.net seems to be blocked in China, rendering stack exchange sites virtually unusable. And it could be accessed by routing the ip ...
3
votes
0answers
52 views

CloudFlare CAPTCHAs are blocking CDN content [duplicate]

When I changed my avatar on Physics a few days ago, it briefly displayed at the top, then after a few minutes disappeared from the toolbar. Later it disappeared from my questions and profile as well....
1
vote
0answers
346 views

Problem with cdn.sstatic.net

I've been experiencing some weird behavior using stack exchange sites -- all of them. The problem is I can't simply gain access to the sites, for example, when I'm looking for some info typing words ...
25
votes
0answers
1k views

CAPTCHAs are intermittently blocking CDN content

I get HTTP errors for various resources, and no styles or scripts are applied, which effectively makes the whole site unusable. Meta does seem to be working fine, though. Edit: Here's a log from ...
1
vote
2answers
180 views

cdn.sstatic.net is having me stare at a plain white browser

Tried looking up "cdn.sstatic.net" on meta but found nothing recent. Whenever SO is slow to show up in the browser, it's because it's stuck waiting for "cdn.sstatic.net". Also in the most extreme ...
4
votes
0answers
529 views

Static content CDN is unreliable for me, often showing “hostname could not be found”

For weeks now, I have been seeing this error often: [Error] Failed to load resource: A server with the specified hostname could not be found. (https://cdn.sstatic.net/stackoverflow/[foo.css | bar....
7
votes
1answer
1k views

Stack Overflow is not loading properly in Chrome

Starting yesterday, pages on Stack Overflow have been coming up as text and links only, no images or CSS. It is only doing this in Chrome, and only for stackoverflow.com. Chrome developer tools ...
16
votes
3answers
1k views

Dreaded error: “Stack Overflow requires external JavaScript from another domain, which is blocked or failed to load”

I'm a huge fan of SO and also a IE user. I cannot use Firefox or Chrome because of company policy. So I get the dreaded error above. Based on other posts of SO I have tried the following: Typing the ...
10
votes
0answers
423 views

SSL certificate OCSP verification issue on cdn.sstatic.net, SO's JS/CSS not loading

Since the beginning of July I have intermittent trouble loading SO because I randomly can't verify the CDN's SSL certificate through OCSP. Network connectivity is otherwise good (traceroute & ping ...
3
votes
1answer
114 views

Server of statics (and thus CSS) is now HTTPS

This is related to: Cannot load static content Now that your CSS are hosted on a server asking for HTTPS, the company where I work filters it (HTTPS is authorized by whitelist only). I think a lot ...
3
votes
1answer
511 views

CSS for Stack Overflow site not showing up correctly

I can post on meta with no issue. But for some odd reason I am not seeing the full-blown Stack Overflow site. It appears the CSS is missing from most of it. When I try to hit the CDN at this link, ...
5
votes
1answer
369 views

Problems with css delivery via ipv6

I am trying to use Stack Overflow from an ipv6 enabled site (2001:6f8:1c3c::1/48), with the following problem: The server cdn.sstatic.net has multiple ipv6 addresses, which ping but seem not to ...
6
votes
3answers
563 views

Static assets not loading over IPv6

For about 2 weeks, multiple people (around 10 that I know of) in our company are having trouble accessing Stack Overflow; independently of the browser, and on Linux as well as Windows. The symptom is ...
7
votes
1answer
660 views

Loading Stack Exchange sites (cdn.sstatic.net)

I'm having some issues loading the Stack Exchange network sites. Meta Stack Overflow is the only one that works for me, and all the other ones hang up during page loading with the ...
9
votes
1answer
320 views

What to do if cdn.sstatic.net gets flagged as malicious?

As I just discovered, cdn.sstatic.net can get flagged as malicious in a firewall. That effectively "breaks" stackoverflow.com, and I suspect other sites in the network (in my case I only experienced ...
1
vote
0answers
100 views

Very slow loading of SE sites

Over the past week or so, I've noticed a significant slow down of the SE sites I frequent, namely, stackoverflow.com, superuser.com and russian.stackexchange.com. Most of the times, the load time for ...
4
votes
1answer
434 views

Cannot load stylesheets from cdn.sstatic.net

Within the last few days the stylesheet for Stack Overflow hasn't been loading. Was it recently switched to the CDN? Or has it been there for awhile? If it's been there for awhile, I'm not sure what ...
10
votes
1answer
155 views

More 404s with missing slashes

See this meta question. The problem was that Stack Overflow was trying to access http://cdn2.sstatic.net/stackoverflowimg/so-fb-logo.png?v=2 When it should have done this: http://cdn2.sstatic.net/...
5
votes
0answers
106 views

CSS CDN is unavailable - Why not be more helpful and provide an alternate source? [duplicate]

Your CDN that serves your CSS was unavailable for a period today for my region. Please help users that might be experiencing that issue and provide an alternate source when that is unavailable, ...
14
votes
1answer
1k views

Problems with CDN DNS

I've been having trouble getting to cdn.sstatic.net all day. It's been crippling not to be able to play Stack Exchange! Chrome's resource panel was showing 'host not found' for cdn.sstatic.net. I ...
2
votes
1answer
601 views

Image display problems on Windows Phone 8

When using my Windows Phone 8 there are a number of images that do not do display correctly. These have never displayed correctly ever since I got it, I've cleared my browser cache as well as hard ...
1
vote
1answer
622 views

stuck at cdn.sstatic.net [closed]

I can't open any page on stackoverflow.com from about an hour ago. Whenever I open any url starting with http://www.stackoverflow.com/.., My browser starts getting response quickly and Title is shown ...
4
votes
1answer
193 views

Is there an issue with http://cdn.sstatic.net hosted images today? [closed]

I noticed images weren't loading properly from that domain and when i checked the img url directly I see: http://cdn.sstatic.net/img/hosted/tKsDb.png 401 - Unauthorized: Access is denied due to ...
6
votes
2answers
272 views

Unable to use Stack Overflow site from France [closed]

While meta is fine, the SO site is unusable to me : the main HTML file is received but all "dynamic" elements (StackExchange menu, arrows to vote) are missing. The "add comment" button is here but not ...
2
votes
0answers
127 views

CSS is unavailable

Starting Friday (17-08-2012) we have problem with css on your page. As I check your css is stored here http://cdn.sstatic.net/stackoverflow/all.css?v=ffb907d7e663 (cut from your main page), and this ...
56
votes
2answers
3k views

Load jQuery from Stack's CDN if Google's CDN is blocked (or always)

Google's CDN is nice, but it's not 100% reliable for all users. It occasionally fails to load for me. Other users have had trouble with it due to sloppily-configured networks, and some may prefer to ...
-5
votes
1answer
354 views

Stack Exchange's heavy reliance on external scripts

I dislike running third-party scripts in my browser and have disabled these generally. I can enable them on an exceptional basis, but it strikes me that Stack Exchange has an unusually heavy ...
8
votes
0answers
157 views

Sponsored tag images not loading [closed]

The sponsored tag images are not loading for me: The request gets a 500 error after 21 seconds using cdn.sstatic.net: Location: London, England.
14
votes
1answer
121 views

jQuery on blogoverflow should be served from CDN

On most Stack Exchange sites, jQuery is served from the Google CDN: <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"> </script> On ...