Sunday, February 25, 2007

Redirection services Comparison

Web Sites That Shorten Long URLs

The free web sites below can take a long URL and give you back a shorter URL without requiring registration. Since these sites forward a click from one link to another, they are also known as URL forwarders and some do subdomain forwarding. Any of these services will do a decent job, but if you want to study them before you pick one, here is an informal survey of the competitive landscape.

Descriptions of the various attributes are provided after the table. You can click on the service name in the table heading to visit the web site.





300online.commetamark.netsnipurl.comtinyurl.comnotlong.com
Default Length:1118242527
Expiration:Never5 years*NeverNeverNever
Direct Redirect:YesYesYesYesYes
Private:YesManual*Manual*NoYes
Pick Your Own:YesYesYesNoYes
Statistics:Yesw/Reg*w/Reg*NoYes
Editing:NoNow/Reg*NoYes
Batch:NoNoYesNoNo
Subdomain:NoNoNoNoYes
Path Forwarding:YesYesYesYesYes
Handles Short:YesYesNoYesYes
Nondeterministic:YesNoNoYesYes
URL Checking:NoYesNoNoYes
Perl API:YesYesYesYesYes
IRC bot:NoYesNoNoNo
BBS/Forum:NoNoNoYesNo
Languages:EnglishEnglishEnglishEnglish, Japanese, Mandarin, SpanishEnglish
Comments:*Never expires if used occasionally.
*Private available by adding password.
*Statistics available with registration.
*Private available by adding password.
*Statistics and Editing available with registration.

So, by the results:

1st place is http://300online.com/

2nd place is http://tinyurl.com

Wednesday, February 7, 2007

New storm on the SUN

Image from SOHO satellite
Lakes on the Titan

Monday, February 5, 2007

Top 5 most dangerous roads of the world

#1: “Road of Death” - Bolivia



North Yungas Road is hands-down the most dangerous in the world for motorists. This one clearly endangers your life. It runs in the Bolivian Andes, 70 km from La Paz to Coroico, and plunges down almost 3,600 meters in an orgy of extremely narrow hairpin curves and 800-meter abyss near-misses. A fatal accident happens there every couple of weeks, 100-200 people perish there every year. In 1995 the Inter-American Development Bank named the La Paz-to-Coroico route “the world’s most dangerous road.”























#2: Guoliang Tunnel in Taihang mountains (China)


The wall of the tunnel is uneven and there are more than 30 “windows” of

different sizes and shapes. Some windows are round and some are square, and they range from dozens of metres long to standard-window-size. It is frightening to look down from the windows, where strange rocks hanging form the sheer cliff above and a seemingly bottomless pit lying below. A village, opposite the tunnel, appears to hang on the precipice.













#3: Most Dangerous Tourist Hiking Trail (China)


(already reported here)


This is a heavy-tourist traffic area in Xian (Mt.Huashan). See details here.












#4: Russian Siberian Road to Yakutsk


The official federal-government highway to Yakutsk, and it is also the only one to get there. This can turn into a major humanitarian disaster during rainy spells, when the usual clay covering of the road turns into impassable mud blanket, swallowing trucks and tractors alike.















The same road in winter:


#5: Taroko Gorge Road in Taiwan


Another road with tunnels carved in the mountain rock











 
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