HEATKEYS

Position	Website	Change	Thumbnail
1	askubuntu.com - Ask Ubuntu - Stack Exchange	2
2	community.coherentpdf.com - Coherent PDF Command Line Tools Community Release Coherent PDF Command Line Tools Community Release : Powerful, free tools to manipulate PDF files	2
3	linuxcommand.org - LinuxCommand.org: Learn the Linux command line. Write shell scripts. LinuxCommand.org is a web site devoted to helping users of legacy operating systems discover the power of Linux.	-1
4	pdflabs.com - PDF Labs: Tools, Services and Code for PDF Users and Programmers	-3
5	pdfforge.org - pdfforge.org | The free PDF Creator and Converter	0
6	cli.learncodethehardway.org - Learn Code The Hard Way -- Books And Courses To Learn To Code	11
7	garron.me	0
8	sans.org - SANS: Computer Security Training, Network Security Research, InfoSec Resources	-2
9	wkhtmltopdf.org - wkhtmltopdf	23
10	sourceforge.net - SourceForge.net: Download and Develop Open Source Software for Free SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory	8
11	williamjturkel.net - William J Turkel	1
12	howtogeek.com - How-To Geek - Computer Help from your Friendly How-To Geek Computer Help from your Friendly How-To Geek	0
13	github.com - Secure source code hosting and collaborative development - GitHub	0
14	stackoverflow.com - Stack Overflow	-5
15	pdfbox.apache.org - Apache PDFBox - Apache PDFBox - Java PDF Library	-8

I have no idea. Please, refresh tomorrow ;)

Site	Traffic	Engagement
commandlinepdf.com	41.8%	0x
pdflabs.com	12.1%	0x
verypdf.com	8.4%	0x
pdf-tools.com	6.7%	0x
lockergnome.com	6%	0x
Other	25%	0x