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Learn more Overview Page Speed extension mod_pagespeed for Apache 2 Get Started Page Speed extension mod_pagespeed for Apache 2 Security Considerations Documentation Performance Best Practices Optimize caching Minimize round trip times Minimize request overhead Minimize payload size Optimize browser rendering Page Speed rules (alphabetical) Avoid bad requests Avoid CSS expressions Combine external
Stay organized with collections Save and categorize content based on your preferences. The Google APIs Explorer is a tool available on most REST API reference documentation pages that lets you try Google API methods without writing code. The APIs Explorer acts on real data, so use caution when trying methods that create, modify, or delete data. For more details, read the APIs Explorer documentatio
How Do I Start? If you're new to the Maps Data API, here's how we recommend you get started: Get familiar with the Google Data APIs. Read the Maps Data API Developer's Guide. Refer to the HTTP Protocol Reference as needed. The Google Maps Data API allows client applications to view, store and update map data in the form of Google Data API feeds using a data model of features (placemarks, line
What is Google Public DNS? Google Public DNS is a free, global Domain Name System (DNS) resolution service, that you can use as an alternative to your current DNS provider. To try it out: Configure your network settings to use the IP addresses 8.8.8.8 and 8.8.4.4 as your DNS servers or Read our configuration instructions. If you decide to try Google Public DNS, your client programs will perform al
Speed Tracer is a tool to help you identify and fix performance problems in your web applications. It visualizes metrics that are taken from low level instrumentation points inside of the browser and analyzes them as your application runs. Speed Tracer is available as a Chrome extension and works on all platforms where extensions are currently supported (Windows and Linux). Using Speed Tracer you
2001:4860:4860::8888 2001:4860:4860::8844 Some devices require explicit values for all eight fields of IPv6 addresses and cannot accept the abbreviated :: IPv6 address syntax. For such devices enter: 2001:4860:4860:0:0:0:0:8888 2001:4860:4860:0:0:0:0:8844 Expand the 0 entries to 0000 if four hexadecimal digits are required. You can use either address as your primary or secondary DNS server. You ca
Google Chrome Frame was an open source plug-in that seamlessly brought Google Chrome's open web technologies and speedy JavaScript engine to Internet Explorer. If you have Chrome Frame installed, please uninstall it. It is no longer supported or updated. You should continue to encourage your users to install and run [evergreen browsers](http://tomdale.net/2013/05/evergreen-browsers/), that is, bro
Webアプリケーションが増えるに従って、JSONフォーマットを利用する機会も増えてきた。だがJSONファイルの扱いはそれほど良くなく、Firefoxの場合ダウンロードのダイアログが開いてしまう。それにシステム向けに改行なしで作られているケースが多く閲覧には不向きだ。 JSONフォーマットをFirefox上で閲覧できる 今後さらに利用が進んでいくと思われるだけに、扱い勝手が悪いのは問題だ。そこで使ってみたいのがJSONViewだ。 今回紹介するオープンソース・ソフトウェアはJSONView、Firefox上でJSONファイルを閲覧できるようにするFirefoxアドオンだ。 JSONViewをインストールした状態でJSONファイルを開くとダウンロードダイアログが開かず、そのままソースが見られるようになる。キー、文字列、数値とそれぞれハイライト化されて表示されるので分かりやすい。配列やハッシュの
Tutorials There are many ways to make websites run faster. In this section, you can discover performance best practices that real web professionals employ in their everyday work. These practices have improved the user experience for millions of users and we hope they are useful for other web developers. Using every CSS declaration only once is an effective way to reduce file size of style sheets.
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