maxxcrawford
commented
4 years ago This is still reproducible in the latest version. That latency is very short, but still persistent.
Open stestagg opened 4 years ago
maxxcrawford
commented
4 years ago This is still reproducible in the latest version. That latency is very short, but still persistent.
Amazon.co.uk 1.1 true amazon@search.mozilla.org Bing 1.0 true bing@search.mozilla.org Chambers (UK) 1.0 true chambers-en-GB@search.mozilla.org DuckDuckGo 1.0 true ddg@search.mozilla.org eBay 1.0 true ebay@search.mozilla.org Facebook Container 2.0.3 true @contain-facebook Google 1.0 true google@search.mozilla.org Google Container 1.5.0 true @contain-google LastPass: Free Password Manager 4.36.0.1 true support@lastpass.com Twitter 1.0 true twitter@search.mozilla.org uBlock Origin 1.23.0 true uBlock0@raymondhill.net Wikipedia (en) 1.0 true wikipedia@search.mozilla.org
Actual behavior
Hi, the Guardian crossword page seems to do some fairly funky stuff behind the scenes, there's always more latency on the page than one would expect, but the facebook container addon seems to be particularly adversely affected, adding significant latency to every cell selection.
Examples taken from: https://www.theguardian.com/crosswords/quick/15441
In following screenshot, 4 different cells were clicked in succession:
Zooming on the second click only show the majority of time being spent in what looks like the facebook addon (Red circle), what's interesting is that the blue circle outlines what looks like the lastpass dom detection script running too. Something about how the DOM is being updated seems to be triggering these operations on every cell selection:
Expected behavior
With the facebook container addon disabled, the latency is much improved (same page, 4 cells clicked):
with each click looking like:
Steps to reproduce