A common question we hear from our customers is “What is the Blocked time in HttpWatch and why are we seeing some much of it?”
The Blocked time in HttpWatch is shown as a gray block at the start of a request:
We measure this time by looking at the time interval between these two events:
The point […]
If you build, maintain or tune web sites you’ll know about the browser cache and how to control caching using HTTP response headers. We’ve talked about caching in several previous posts.
However, you may not be aware that IE uses two caches for holding images. First, there is the regular browser cache that keeps a copy […]
Web developers are becoming more aware of the performance penalties of page bloat and as we covered in our previous posts there are ways to mitigate this, compression being just one.
However, one of the causes of poor performance that is often overlooked is the transmission time taken to upload data to the server. Although, HTTP request […]
It’s no coincidence that the most successful search engine on the planet is also the fastest to return results. Here are some time charts from HttpWatch for Google and its two closest competitors; Yahoo and Live.com:
Google.com returns its results page in 0.155 seconds:
Live.com returns its results page in 0.619 seconds:
Yahoo returns its results page in […]
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