Broken Link Checker Tool - Dead Link Checker Worried about broken links affecting your website's usability and rankings? Site Checker is a free tool, which crawls through your website identifying broken links for you to fix. Multi Check enables you to run Dead Link Checker through multiple websites in one go. The report is then emailed to you automatically. Our most popular service is Auto Check, which runs Dead Link Checker through your website(s) on a regular basis and emails the reports to you automatically. Why are broken links bad? Standards OASIS Cyber Threat Intelligence (CTI) TC Cite as: [STIX-v1.2.1-Overview]STIX(TM) Version 1.2.1. Part 1: Overview. Permissions In FreeBSD, every file and directory has an associated set of permissions and several utilities are available for viewing and modifying these permissions. Understanding how permissions work is necessary to make sure that users are able to access the files that they need and are unable to improperly access the files used by the operating system or owned by other users. This section discusses the traditional UNIX® permissions used in FreeBSD. For finer grained file system access control, refer to Section 14.9, “Access Control Lists”. In UNIX®, basic permissions are assigned using three types of access: read, write, and execute. These access types are used to determine file access to the file's owner, group, and others (everyone else).
Safari Web Content Guide: Configuring the Viewport Safari on iOS displays webpages at a scale that works for most web content originally designed for the desktop. If these default settings don’t work for your webpages, it is highly recommended that you change the settings by configuring the viewport. You especially need to configure the viewport if you are designing webpages specifically for iOS. Configuring the viewport is easy—just add one line of HTML to your webpage—but understanding how viewport properties affect the presentation of your webpages on iOS is more complex. Before configuring the viewport, you need a deeper understanding of what the visible area and viewport are on iOS. If you are already familiar with the viewport on iOS, read “Using the Viewport Meta Tag” for details on the viewport tag and “Viewport Settings for Web Applications” for web application tips.
HTML Tip: Centering Images Is Harder Than You Think HTML Tip: Centering Images Is Harder Than You Think by Larisa Thomason, Senior Web Analyst, NetMechanic, Inc. We frequently get questions from subscribers who are having problems centering images - particularly when they're mixing the ALIGN attribute with style sheet properties. There are two main causes: HTML rules and browser compatibility issues. CSS Backgrounds and Borders Module Level 4 Abstract This module contains the features of CSS relating to the borders and backgrounds of boxes on the page. It includes and extends the functionality of CSS Backgrounds and Borders Level 3. [CSS3BG] The main extensions compared to level 3 are shaping (corner-shape) and clipping borders (border-clip), logical background positions (background-position), and the extend ability of background-repeat.