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View WPT Bookmarklet
javascript:(function(){hostname=document.location;'' + hostname);})();
andydavies / gist:3cdcca42bd9f4289424c
Created Dec 10, 2015
Query for HTTPArchive BigQuery data to list all font files for sites x top sites
View gist:3cdcca42bd9f4289424c
select pages.url, pages.rank, req.url
from [httparchive:runs.latest_requests] as req
join (
select url, rank, pageid, reqFont from [httparchive:runs.latest_pages]
) as pages on pages.pageid = req.pageid
where lower(req.mimetype) contains "font"
and pages.rank <= 100 and pages.reqFont > 0
order by pages.rank
andydavies / gist:2a82839e30bff61dcffb
Created Dec 9, 2015
Bookmarklet for
View gist:2a82839e30bff61dcffb
Save this script as a bookmark, then use it to test the current page
javascript:(function(){hostname=document.location.hostname;'' + hostname);})();
View gist:abcca48135ef85e4af7b
1. Install nginx
sudo apt-get install nginx
configure nginx.conf
2. Install PHP
# Fast socket version
View gist:42dcdd49d21a6ad1b26e
# Parses JSON results from WPT e.g.
# Relies on JSON to be locally downloaded first (avoid's timeouts when results need to be retrieved from archive)
# Produces a data.frame with selected values from all test results
# url in code is really a path to a file, all.urls is a data frame with a list of files
andydavies / gist:8653127
Created Jan 27, 2014
List of Web Perf Resources for
View gist:8653127
- Enable gzip - HTML 5 Server Configs has examples for 1 & 3 (perhaps 2) -
- Enable keep-alive
- Set explict cache-lifetime
- Optimise images i.e. pick an appropriate format and run through tools like ImageOptim, JpegMini etc.
- Get a build process that minifies CSS & JS, and can combined multiple files together where appropriate
- Consider dataURIs or CSS sprites to reduce the number of requests for small images
- depending of where audience is consider a CDN (latency is the enemy in all of this
View gist:6024703
# This is the main Apache server configuration file. It contains the
# configuration directives that give the server its instructions.
# See <URL:> for detailed information.
# In particular, see
# <URL:>
# for a discussion of each configuration directive.
# Do NOT simply read the instructions in here without understanding
andydavies / gist:6006984
Created Jul 16, 2013
DNS records for publish and but connections to fail so effectively waiting for TCP timeout before resolution
View gist:6006984
Andy-Daviess-MacBook-Pro:tmp ad$ wget
--2013-07-16 09:33:56--
Connecting to||:443... failed: Operation timed out.
Connecting to||:443... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: [following]
--2013-07-16 09:35:13--
Connecting to||:443... connected.
View gist:5917537
andydavies / gist:5489399
Created Apr 30, 2013
Quova API example - when tested it didn't support IPv6 and cellular gateways were always reported as line_speed:low regardless of end user connection
View gist:5489399
"organization":"vodafone limited",
"carrier":"vodafone limited",
"connection_type":"mobile wireless",
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