Samiz Dat writes in WUWT Tips and notes
Hey, Anthony, just a heads up. I am a chemical engineering student at the University of Adelaide. Loading your page takes a few seconds wherever I am in Adelaide…..except at the University of Adelaide, when trying to access your site from any of the North Terrace campus computers I easily wait up to 10-15 minutes before the site has loaded, individual posts take another 10-15 minutes to load. Yours is the only website this has and is happening with so far.
I have had similar emails from time to time, but I’ve never had any interest in following it up since such things can often be flukes. But this time, maybe not, so I’ve decided to ask if users are seeing similar things when they try to access WUWT via government networks and university networks. I’m really interested to find out if anyone at University of Adelaide can corroborate this story.
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No access problems here (UK midlands domestic connection).
However, Anthony or mods or site design team, be aware of another WP problem I just came across on the Register. “Attackers target new XSS in millions of WordPress sites” – it’s in those sites because it’s a WordPress plugin problem and could allow attackers to trash your site.
http://www.theregister.co.uk/2015/05/07/wordpresss_xss_twenty_fifteen/
A couple years back, I had a similar experience with my sons school issued laptop. When I tried to access WUWT from home to help him understand a topic about global warming, the schools security blocked it and categorized it as entertainment. The same category for you tube and other sites they deemed not appropriate for school children. coincidentally Fox News was also blocked. They changed that shortly after, no doubt some liberal zealot in the IT department got “reprimanded” for it after numerous complaints.
Perhaps there is something similar going on there as well? I am not an IT guy so this is merely speculation on my part.
Matt
The worst is Tips and Notes.
Sometimes that is so large, it simply refused to load.
Reading the comments above it appears that sensible, popular sites like WUWT tend to load slower whereas cr*p sites load faster.
I have trouble here in US when staying at a hotel using their computer in lobby. It may block all WordPress sites for some reason, not just WUWT. Otherwise, WUWT loads instantly and always with any browser (fairly new computer, lots of RAM). Interestingly, however, if I leave Climate Audit open it may start using too much memory and close and reopen itself for some reason (same with Instapundit site).
The Queensland Government educational network covering all public high schools in the State was regularly blocking WUWT and other skeptical sites in 2010. This mean that high school students could not access your site a lot of the time. I would put in requests for the skeptical sites to be unblocked and a week or so later you could get access. The return e-mail to local IT guru would say that the blockage at been a “terrible” mistake. However, if you checked back in a month or so, the sites would again be blocked. Government sites here in Australia often use a Political Correct Filter to ensure that vulnerable minds are not sullied by non-approved ideas and thinking.
We have terrible bandwidth at some of our campus facilities (engineering, by the way is among the worst). One proposal to rectify this would be to prioritize web pages. Things like Facebook and Pinterest and so forth would get lower priority. We also have several infrastructure options for improving bandwidth also, so prioritizing of web pages is not likely. However, knowing the mindset of a majority of the adults on campus, I can pretty well guess which sites would get low priority.
Ping them?
Anthony: I was able to access WUWT right away from our Junior College computer system. Of course, we are located in the Midwest in a rather conservative area but nevertheless, you came up instantly,.
Midwest of what country?
Basic Principle: Never attribute to malice what you can attribute to incompetence. The first place to look is for a problem on the page itself.
The page is a very slow loader by its nature. The wonder is not that it loads slow; its that it loads in a reasonable time at all.
Anthony: To the extent you are going to show the same set of graphics somewhere you should consolidate them into a single one. Given the size and complexity of the page you should find a skin that removes any unnecessary separate items. If you can consolidate a set of javascript files you should do so. If you don’t do this already, you should look into breaking out the comments with a javascript widget that will load the comments if a user makes that request. Advertisements and various stuff other than the text of the article should not be stopping the page from loading. I don’t deal in pages like this, so can’t say how off the top of my head but you can make it so that the crucial bits get a head start and then asynchronously load things that are not crucial.
On the upside, for people like me with a connection greater than 50 mbps, the page loads quickly. To me that indicates that you are either part of a CDN or you have a very fast, powerful and well managed servers. Yay!
On the upside
This page (the one I am making the comment on — http://wattsupwiththat.com/2015/05/06/can-anyone-check-out-this-claim-of-suppressed-access/), tested on pingdom:
Tested from San Jose, California, USA on May 7 at 11:28:10
Page size 1.8MB
Load time 60.00s
Requests 302
Perf. grade 75/100
Your website is slower than 97% of all tested websites
Below is the list of items the browser has to resolve when loading this page:
Requests done to load this page 302 requests 1.8 MB 60.00 s
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At home, WUWT loads fine (unless there are a LOAD of comments for a particular post). I run Windows 7 Pro and Firefox.
When I check in at work (During breaks! Really!), it’s always slower with some things blocked. (Links to some blogs and graphics.) It’s been slower since the city implemented some kind of snooping “screen capture” program (So for sure, only during breaks!).
The point of this reply is that the problem is likely not at the source of the site but rather where the site is being opened.
Is WUWT (and other skeptical/non-PC) being targeted by the University or are all sites with something on it that falls into their “caution” protocols also slow?
How does semi-“RealClimate” or other CAGW sites load at UofA?
Holy guacamole, Batman!
Lol!!
A lot!!
still laughing at the guacamole … That was epic… But my connection has never stumbled on this page. I load it three or four times a day and it takes only seconds to complete. Never had a problem from up here in remote wilds of Canada. Don’t change a thing Anthony.
Working FINE from the Public WiFi at the city health club in Minnetonka MN
And there are OTHER sites here which are “slow”.
Max
I’m skeptical. But if I don’t try to test it, I’m not truly skeptical. I’ll test my local library, and ask a South Australian relative to check it out, and I’ll report back.
I was having an issue with WUWT loading about a year ago along with some other sites. I blocked all advertising and no longer have problems loading though there are some videos I cant watch without switching browsers.
Youtube videos increase load time.
It’s possible that issues such as described come from (poor/outdated) cached DNS data. For our home PCs (running Win Vista and Win7 Pro) I wrote a small batch command that we keep handy whenever we get any hangups resolving web sites. Use Notepad to create a simple text document, name it, using *.bat as the filename extension:
E.g., RenewDNS.bat
@echo
ipconfig/release
ipconfig/renew
pause
I used the ‘pause’ command so I could make certain the batch file successfully completed. You don’t even need to close your browser… just minimize, run the batch command, then refresh the problem site in the browser. Hope this helps.
Here at the Jet Propulsion Laboratory, it seems to load fast – no slowdown here.
I didn’t read every comment, but a quick scan didn’t show mention of DNS. Poor choice of DNS servers can kill load speed. I just went through this with bringing up an old machine. Of 3 DNS servers 2 were no longer live. Taking 2 failed DNS requests before a valid one completes really slows things down. Add a heavy page weight site with lots of lookups can stretch to minutes.
This may not be noticed with, for exemple, inside company connection to servers your company has listed in the internal DNS, but show on lookups that leave the local cache.
When testing page speeds, always include an explicite test of DNS lookups.
I now use a Raspberry Pi for a $35 caching DNS Server so most lookups don’t hit the internet and things are much faster…
Check comment at 11:14 a.m. (two above yours). 😉
Enable “keepalive”. That makes a huge difference especially for SSL. If you are working through a proxy (likely the case at a university) then you don’t really have a choice in the matter.
Without keepalive, if you have 300 objects on your web page, the browser initiates 300 connections; and if you are behind a NAT, then it has to set up 300 dynamic translations and if everyone on campus is doing that you could run out of TCP port numbers (only 65535 iin total and 1024 are reserved). This will cause a connection failure and your browser will retry again and again until a translation becomes available.
But a “keepalive” reuses the same TCP connection so is much faster. Still, it will require a new connection for each unique URL (host/domain) requested.
Shunt some advertising sites via your “hosts” file to 127.0.0.1. In windows, c:\windows\system32\drivers\etc\hosts. The entries are one host per line “127.0.0.1 http://www.facebook.com” and what will happen is it will cause instant failure rather than a timeout, greatly speeding up the loading of everything else while reducing clutter.
Advertisers know you can do this so the more clever ones morph the hostname part regularly making it hard to maintain your hosts file. A slick little tool for Linux is called “dnsproxy” and it can wildcard the host part.
I was provoked to this by Huffington Post which has absolutely the busiest, piggiest, slowest-rendering webpages I have ever seen. WordPress sites aren’t all that bad and my old Linux box handles them just fine.
Another thing — in Windows, check your internet options, connection tab. advanced, and UNCHECK “automatically detect proxy”. That’s almost always a performance killer. If you actually do have a proxy then manual configuration is probably better.
Is this what we have to look forward to if the government gets to regulate the Internet? Kind of scary.
So far you load fine on my computer here in the UK, I use BT internet, but no doubt the “land of free” defenders are watching.
misconfigured proxy.
proxy config probably not taking into account ads on site or mixed https content.
I’d bet for incompatibility of WUWT ads with some feature of the server. Google has problems. And there’s the possibility of a link to a site that is blocked by the Or a bad word in something, one municipality’s system is bad for false blocking.
Blocks do exist, years ago the Richmond Public Library (in B.C.) was blocking capitalismmagazine.com. They were using a service of some kind, I’ll try to find it in my records.
At the time CM started using capmag.com to get around such, the silly service wasn’t blocking that URL.
I can’t find info on the blocking service used by the Richmond library, I don’t remember the symptom but I doubt it was slowness though IIRC it was subtle.
I’ve seen the phenomenon of slowness from poorly coded links and from slow external servers. (One naive but good person had coded the PayPal button on her page to link to PayPal automatically, instead of only when the user commands the button. For some reason PayPal was often slow to respond, perhaps the link was to the wrong part of their site.)
But those aren’t likely the cause here.
(Blocking of high-volume traffic is common to ensure capacity is available for all users, BC Ferries does that and blocks by content as well. Such blocking is often poorly done.
And ISPs are variable, Shaw in Canada is bad. And there are organizational uses that overwhelm the network, one company had real-time simulation traffic going over its internal network at times.)