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Maps give us an easy way to visualize all types of information, from patterns in health expenditure across the world, to oceans with the highest concentration of coral reefs at risk. The tools used to create these maps should be just as easy to use. That’s why, starting today, the JavaScript Maps API will support GeoJSON, making it simpler for developers to visualize richer data, with even cleaner code. Google Geo Developers Blog Google Geo Developers Blog
Übersicht: das Canonical-Tag von Google | HTML | Seo Book Übersicht: das Canonical-Tag von Google | HTML | Seo Book Das in die Meta-Angaben einer Webseite eingebaute “Canonical Tag” ist für Webmaster ein Segen. Allerdings birgt es auch Gefahren. Die kanonische URL zeigt dem Google-Robot zuverlässig den eigentlichen Ursprung eines Seiteninhalts. Und zwar so zuverlässig, dass schon kleine Fehler zur Katastrophe werden können. Hier eine Einführung in das Canonical Tag.
mod_pagespeed Overview mod_pagespeed Overview PageSpeed speeds up your site and reduces page load time. This open-source webserver module automatically applies web performance best practices to pages and associated assets (CSS, JavaScript, images) without requiring that you modify your existing content or workflow. PageSpeed improves web page latency and bandwidth usage by changing the resources on that web page to implement web performance best practices. Each optimization is implemented as a custom filter in PageSpeed, which are executed when the HTTP server serves the website assets. Some filters simply alter the HTML content, and other filters change references to CSS, JavaScript, or images to point to more optimized versions. PageSpeed implements custom optimization strategies for each type of asset referenced by the website, to make them smaller, reduce the loading time, and extend the cache lifetime of each asset.