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Canvas fingerprinting works by exploiting the HTML5 canvas element.As described by Acar et al. in: [6] When a user visits a page, the fingerprinting script first draws text with the font and size of its choice and adds background colors (1).
Web traffic is the data sent and received by visitors to a website.Since the mid-1990s, web traffic has been the largest portion of Internet traffic. [1] Sites monitor the incoming and outgoing traffic to see which parts or pages of their site are popular and if there are any apparent trends, such as one specific page being viewed mostly by people in a particular country.
Repeat visitor - A visitor that has made at least one previous visit. The period between the last and current visit is called visitor recency and is measured in days. Return visitor - A unique visitor with activity consisting of a visit to a site during a reporting period and where the unique visitor visited the site before the reporting period ...
A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [23]
A software application such as Adobe Photoshop, LibreOffice, or Microsoft Word is required to create .PDF files, but Acrobat Reader supports viewing of .PDF files. [2] A file format must have structural information that allows a file viewer to handle different byte orders, code pages or newline styles. In contrast, media file viewers, such as ...
PDF-XChange Viewer (now superseded by the PDF-XChange Editor) is a freemium PDF reader for Microsoft Windows. It supports saving PDF forms and importing or exporting form data in FDF/XFDF format. Since version 2.5, there has been partial support for XFA, and exporting form data in XML Data Package (XDP) or XML format.
Collecting mobile web analytics data has proven to be less straightforward than traditional web analytics due to a few factors. Traditional analytics software on a mobile website only provides data for HTTP requests coming from the most advanced mobile browsers; such as those found in the iPhone and other smart phones and PDAs, with no data on other mobile devices browsing the site.
Default PDF and file viewer for GNOME; replaces GPdf. Supports addition and removal (since v3.14), of basic text note annotations. CUPS: Apache License 2.0: No No No Yes Printing system can render any document to a PDF file, thus any Linux program with print capability can produce PDF files Pdftk: GPLv2: No Yes Yes