CODEWITHSUNDEEP
performancegoogle-chromefirefoxrequestpageload
ContextSwitch
ContextSwitch

Reputation: 2837

Why does firefox block before downloading the document?

Firefox runs my website significantly slower than IE or chrome. When I check the network tab, I see that 235ms is spent blocking. No blocking is reported for my site in chrome, and no blocking is reported in firefox for other sites, like google or amazon. It also has a much higher receiving time than chrome.

Firefox blocks the document

Its my understanding that blocking occurs because the browser has a limited number of connection that it can make:

What is meaning of 'Blocking' in Firebug Net Panel?

Here's an example of a website blocking before the document: http://thehill.com/ (sorry in advance for the politics). The blocking on this site doesn't always occur (it does on my site) and is about 1/10th the length of the blocking on my site.

Shouldn't the browser always have all its connections available when it tries to download the Document? Why would firefox be blocking on the document and not chrome, and how can I fix it?

Upvotes: 7

Views: 526

Answers (2)

Rouz
Rouz

Reputation: 1367

try making your javascript calls asynchronous. My wild guess (with no codes provided that is the only thing possible) is that you have some javascript call that is blocking. try optimizing and debugging javascript, maybe that will help you see where did the blocking appear.

Upvotes: -1

promanski
promanski

Reputation: 567

Firefox has it's own http proxy settings. IE and chrome take proxy settings from windows settings. Please check if there is some difference between your FF and IE settings.

Next thing you can do is creating new, fresh profile in FF (make sure there is no addons installed) and trying again.

Upvotes: 2

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