How fast is the connexion to a URL, some stats from curl

URL="";curl -L --w "$URL\nDNS %{time_namelookup}s conn %{time_connect}s time %{time_total}s\nSpeed %{speed_download}bps Size %{size_download}bytes\n" -o/dev/null -s $URL
Sample Output
DNS 0,001s  conn 0,044s  tps 0,276s
Speed 19860,000bps Size 5491bytes

By: adminix
2009-08-28 12:30:56

What Others Think

This is great when you don't have flash or a web browser to connect to one of those sites like
matthewbauer · 586 weeks and 5 days ago
I have a question: What is the format of %{speed_downlaod}?
matthewbauer · 586 weeks and 5 days ago
The man say "speed_download The average download speed that curl measured for the complete download. Bytes per second.", so I should said Bps not bps. In the sample 19860 mean 19 860 Bytes per second, that give 19860/1024 = 19,39 kBps.
adminix · 547 weeks and 6 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

You must be signed in to comment.

What's this? is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.


Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for: