Jetpack by WordPress.com

説明

あらゆる WordPress サイトのセキュリティを確保し、トラフィックを増加し、読者の注目を集めることができます。

トラフィックと SEO ツール

トラフィックはあらゆるサイトに不可欠です。Jetpack には以下が含まれます。

  • [無料] サイトの統計情報とアナリティクス
  • [無料] Facebook、Twitter、LinkedIn、Tumblr、Reddit、WhatsApp での自動共有
  • [無料] 関連記事
  • [有料] Google、Bing、Twitter、Facebook、WordPress.com 用の検索エンジン最適化ツール
  • [有料] AdSense、Facebook 広告、AOL、Amazon、Google AdX、Yahoo の長所を取り込んだ広告プログラム

セキュリティとバックアップサービス

データ損失、ダウンタイム、ハッキングについて心配する必要はもうありません。Jetpack は次の機能を提供します。

  • [無料] 総当たり攻撃からの保護
  • [無料] ダウンタイムとアップタイムのモニタリング
  • [無料] セキュアなログインと二段階認証
  • [有料] マルウェアスキャン、コードスキャン、脅威解決
  • [有料] サイトのバックアップ、復元、移行

コンテンツの作成

グラフィックデザインの専門知識がなくても、リッチに美しく表現されたメディアを追加できます。

  • [無料] 画像の高速 CDN
  • [無料] カルーセル、スライドショー、タイル形式のギャラリー
  • [無料] YouTube、Google ドキュメント、Spotify などの簡単な埋め込み
  • [無料] Facebook、Twitter、RSS フィードを組み込んだサイドバーのカスタマイズ
  • [無料] ブログ統計情報ウィジェット、カレンダーウィジェット、投稿者ウィジェットなどの追加のサイドバーウィジェット
  • [有料] 高速、広告非表示、高解像度の動画ホスティング

ディスカッションとコミュニティ

次に示すような読者とのつながりを作って、読者が常にサイトに戻ってくるようにしてください。

  • [無料] メール購読
  • [無料] Facebook、Twitter、Google へログインしてコメント投稿
  • [無料] 完全にカスタマイズ可能なお問い合わせフォーム
  • [無料] 投稿の無限スクロール

専門家によるサポート

サポートスタッフチームが全員でお手伝いさせていただきます。サポートフォーラムまたはお問い合わせフォームから直接ご質問ください。

有料サービス

Jetpack の機能とサービスのほとんどは無料です。3つのシンプルで手頃なプランで、Jetpack は高度なセキュリティサービスとバックアップサービス、動画ホスティング、サイトの収益化、優先サポート、そしてさらに多くの SEO ツールも提供します。

始めてみよう

無料で素早く簡単にインストールできます。無料プランは数分でセットアップできます。

スクリーンショット

  • Dashboard: Bird’s eye view of your site stats, status, and health.
  • Safety: Protect your site and data with powerful security services.
  • Engagement: Social sharing, likes, and related posts.
  • Analytics: Actionable site stats and traffic insights.
  • Traffic: SEO Tools for Google, Twitter, Facebook and more.

FAQ

Jetpack は無料ですか ?

はい。Jetpack のコア機能は無料です。これは今後も変わることはありません。

次の機能が含まれます。サイト統計、画像の高速 CDN関連記事ダウンタイムモニタリング、総当たり攻撃からの保護、ソーシャルネットワークへの自動共有サイドバーのカスタマイズ、その他多数あります。

有料プランを購入するべきですか ?

Jetpack の有料サービスには、自動バックアップ、セキュリティスキャン、スパムフィルター、動画ホスティング、サイトの収益化、SEO ツール、優先サポートなどがあります。

利用できるセキュリティ強化機能や高度なツールについて興味がある場合は、有料プランの詳細を調べてください。

どうして WordPress.com アカウントを作る必要があるのですか ?

Jetpack とそのサービスは WordPress.com で提供、ホスティングされるため、Jetpack を機能させるには WordPress.com のアカウントが必要です。

すでに WordPress アカウントを持っていますが正しく動作しません。どうしてですか ?

WordPress.com アカウントは、インストール型 WordPress にログインする際のアカウントとは別になります。WordPress.com にログインできる場合は、すでに WordPress.com アカウントをお持ちです。そうでないとしても、インストール時に簡単にアカウントを作成できます。

統計情報を表示するには ?

Once you’ve installed Jetpack your stats will be available on WordPress.com/Stats, on the official WordPress mobile apps, and on your Jetpack dashboard.

Jetpack に貢献するには ?

あらゆるレベルの開発者の方々に対し、貢献していただける機会をご用意しています。Jetpack への貢献について詳しく読むか、ベータプログラムへの参加をご検討ください。

変更履歴

4.7.1

  • Release date: March 14th, 2017
  • Release post: http://wp.me/p1moTy-48Y

バグ修正

  • Carousel: avoid javascript errors that may cause issues with Slideshows or Tiled Galleries.
  • Markdown: always enable Markdown for posts whenever the module is active.
  • Sharing: make sure that sharing buttons open in a small pop-up instead of a separate window.
  • SSO: Avoid token or nonce errors when trying to log in to your site via the Secure Sign On option.
  • VideoPress: add in the ability to get video thumbnails from the WordPress.com REST API.
  • Widgets: improve rendering of the Image Widget via Photon.
  • Widget Visibility: avoid empty widget visibility rules after updating to Jetpack 4.7.
  • Widget Visibility: restore the option to make widgets appear on archive pages of different Custom Post Types.
  • Widget Visibility: migrate widget visibility settings to the new major Page rule for Custom Post Types.
  • Widget Visibility: add missing CSS for widget visibility settings on sites using an RTL language.

4.7

  • Release date: March 7th, 2017
  • Release post: http://wp.me/p1moTy-46L

改善点

  • Quickly jump to post specific stats on WordPress.com with a new link.
  • We’ve added more information to our debug tools to improve your support experience.
  • New HTML5 versions of our house ads are out.
  • Display custom copyright EXIF information in the Carousel with this new filter.
  • We’ve highlighted the ability to export Contact Form feedback as it was being overlooked.
  • If you have images on WordPress.com we’re going to skip using Photon when the images include resize parameters.
  • It is now possible to use the Sharing filter to customize the emails sent from the Email Sharing button.
  • We’ve updated the library powering the Print link in the Recipe shortcode.
  • Customize the speed and display of your slideshows with new Slideshow shortcode filters.
  • The Twitch.tv shortcode now uses Twitch’s new embedded player.
  • Social Menus now come with the option to use SVG icons.
  • Customize the content of the Display Posts Widget with a new filter.
  • We’ve added a new email field to the Contact Info Widget.
  • The Image and the Text widgets now use Photon if it is enabled.
  • The WordPress.com REST API got several updates including using register_rest_route() consistently for registering, new date and time format settings, a filter for theme info results, new links and endpoints, and more.
  • We cleaned up the Google+ Shortcode JS library and added a way to filter the SlideShare shortcode.

パフォーマンスの改善:

  • Experience better performance with single page load caching of the media summary.
  • We made some improvements to avoid slow queries on sites with thousands of images.
  • The Top Posts widget now utilizes an endpoint from the WP.com REST API improving performance.
  • Improve development mode performance by only calling site_url() once.
  • We rewrote the way major/minor rules lists are generated to save bandwidth, and memory for sites using Widget Visibility.
  • We’ve removed sync options that weren’t needed to save memory during the sync process.

Accessibility

  • We’ve improved the highlight of the stats range for a better visual experience and to make it consistent with other areas of the dashboard.
  • Added a missing label to one of the fields in the Email sharing dialog.
  • We’ve enabled keyboard focus styling in the new admin interface.
  • Increased padding to sharing buttons on mobile to avoid usability issues.
  • We’ve replaced Widget Visibility text labels with icons to improve usability on smaller devices.

「やや」エキサイティングな強化点:

  • We’ve added a filter to allow you to remove the Comment Form title.
  • The Development Mode notice got an update to include all possible options to activate Development mode.
  • Jetpack registration function got an update and cleanup.
  • A notice displayed to WooCommerce store owners now detects when WooCommerce Services is installed, but not active.
  • We’ve removed the Holiday Snow settings until you need them.
  • Improved Infinite Scroll settings to reduce confusion.
  • The HTML classes infinite-scroll and neverending are now applied using JS instead of PHP.
  • We’ve updated the support link appearing when you’re locked out of your site.
  • New Unit Tests were added to make sure Publicize doesn’t break when making changes to the Publicize process.
  • We’ve added a sync filter to allow customizing timeout.
  • The Top Posts widget now supports non-square image sizes.
  • Added the Video GUID to the media API endpoint.

互換性の向上

  • Fixed some W3C validation errors in Comments.
  • Infinite Scroll now works beautifully with the Twenty Seventeen Theme.
  • Translate new terms easier with an improvement to the translator comments.
  • We switched to use Core functions to retrieve the list of sites in a multisite network for more accurate results.
  • We added Product visibility to post meta whitelist, for better control of products displayed in Related Posts.
  • We no longer sync specific post meta data added by Postman or WP RSS Mutli Importer to avoid performance issues during the sync process.
  • We’re now avoiding conflicts with plugins adding the core Video upload library to the post editor.
  • Removed deprecated compatibility code for older versions of WordPress.
  • We had some Shortcode conflicts with WordPress Post embeds, but that’s been fixed.

バグ修正

  • The Carousel jp_carousel_load_for_images_linked_to_file filter wasn’t working well with Photon, this has been fixed.
  • Carousel is now working well when loaded from infinite scroll.
  • We removed double slashes from file paths in the Contact Form to avoid errors in specific server environments.
  • Fixed a problem where CSS was being stripped when migrating from Jetpack’s Custom CSS to Core’s CSS editor.
  • Our Debug Tool is now reporting the correct URL when WordPress lives in a subdirectory.
  • Found and fixed a PHP error when uninstalling Jetpack.
  • Infinite Scroll is no longer buggy when displaying the last page, and is more compatible with certain themes that were returning posts when there were none left to show.
  • We’re now skipping Photon for .ashx files.
  • The Twitter character counter in Publicize got a fix to display info correctly.
  • Related Posts are now displaying correctly for everyone, and we brought back the jetpack_sharing_headline_html filter.
  • We’ve improved Sharing to render custom sharing services correctly, include Open Graph Meta Tags, and avoid JavaScript errors when jQuery is enqueued in the footer.
  • Synchronization scheduling issues have been resolved.
  • We’re now trimming spaces in URLs for Image and Display Posts Widgets.
  • Widget Visibility wasn’t playing nice on taxonomy pages, this is no longer the case.
  • The WordPress.com REST API received a couple of fixes to remove PHP errors when editing via the WordPress.com interface, authentication errors when using third-party apps, and permission errors when trying to preview edited posts in the WordPress.com editor.

4.6

  • リリース日: 2017年2月7日
  • リリース投稿: http://wp.me/p1moTy-40g

新機能と改善点

  • Enable Google Analytics without touching a line of code with this new Jetpack feature.

パフォーマンスの改善:

  • We’ve updated all outbound links to use HTTPS to improve performance and security.
  • Photon now leverages a new WordPress core function to improve performance a bit.

改善点

  • Keep an eye out for a note from WooCommerce on how your e-commerce store may benefit from our new USPS and CanadaPost shipping functionality.
  • We’ve added an error message if Publicize isn’t functioning as it should be.
  • The Twitter Widget timeline now displays the tweet limit count as 20, prior to this it appeared to have no limit.

「やや」エキサイティングな強化点:

  • In an effort to help us better understand features that are being used, Twitter’s timeline widget and Twitter’s shortcodes now pass Jetpack’s partner ID.
  • We’ve added new API endpoints allowing us to enable translation auto-updates and pull post rows and metadata for backups.
  • We’re now retrieving all feature settings in the readable /settings endpoint.

互換性の向上

  • We’ve eliminated some notices and warnings when using Jetpack on a server running PHP 7.1 or on servers where print_r() is disabled.
  • Photon now avoids PHP notices when your site is using plugins that do srcset CDN replacement.
  • When the sharing options appear to be incorrect due to site configuration issues we force it to retrieve the right options avoiding potential fatal errors.
  • We’ve added some shortcode CSS and widget class names prefixes to avoid conflicts with other plugins.

バグ修正

  • Some sites were using illegal multibyte characters and failing to sync posts, this has been fixed.
  • IE11 was giving our admin layout a bit of a problem but we rectified that.
  • There were some PHP notices popping up when a site has no posts so we got rid of them.
  • The new Jetpack Ads feature will auto disable itself if your Jetpack plan doesn’t support the feature.
  • We fixed a few PHP notices and warnings related to the Custom CSS feature.
  • The connection banner’s “dismiss” icon was giving us a little trouble, but we got it fixed right up.
  • The Likes feature was showing a PHP notice when there was no $post object, this has been fixed.
  • We’ve brought back the Twitter Widget “noscrollbar” option.
  • We’re now forcing only Photon URLs to HTTPS as your custom CDN URLs may use a different protocol.
  • If a Publicize connection is not shared with all users on the site, do not trigger Publicize for the other users.
  • Publicize was having trouble working with scheduled posts, this should be fixed now.
  • SSO may not have been displaying the login form when using JSON API authorization. Sorry about that, we’ve fixed it.
  • We’ve eliminated some PHP notices that were showing with some Shortcodes.
  • There was a Top Posts Widget image size issue when using list layouts, but is no longer causing issues.
  • We fixed some notices and warnings when updating data from the WordPress.com central interface.

4.5

  • リリース日: 2017年1月17日
  • リリース投稿: http://wp.me/p1moTy-3Kc

このリリースでは、新しいモジュール、Jetpack 広告、真新しい VideoPress機能、および多くの新しいショートコードとウィジェットが導入されました。

エキサイティングな新機能と改善:

  • Generate revenue from your site with an all-new WordAds feature, which when enabled displays high-quality ads for your visitors.
  • Today we are proud to release a fully redesigned VideoPress interface for easy uploading, management, and add-free playback of your fantastic videos now fully integrated with your Jetpack Premium or Professional plans.
  • Spice up your sidebar with new widgets that display blog stats, author info, “Follow my blog” buttons, and even an event countdown.
  • Embed your amazing 360° photos with the VR shortcode
  • Link your visitors to your Tumblr or Twitch pages using the new icons in the Social Media Icons Widget.

改善点

  • Use the beautiful Jetpack carousel feature to display single images.
  • Turn on and update Related Posts right from the Customizer.
  • Customize the output of the Related Posts headline using a new filter.

パフォーマンスとセキュリティの改善:

  • Your Custom CSS will now be served in a separate stylesheet when it is more than 2,000 characters.
  • Your Stats queries are now always being made over HTTPS.
  • Holiday Snow files now load in the footer, but rest assured the snow still falls from above.
  • We have improved Jetpack’s synchronization process to support more plugins and use less resources.
  • The jQuery Cycle script used by slideshow galleries is now minified, resulting in faster loading times.

「やや」エキサイティングな強化点:

  • The JSON API now allows updating translations and alternative theme installation methods.
  • Public Custom Post Types are now automatically available via the WordPress.com REST API.
  • We’ve added a token-based authentication mechanism to the REST API in order for the site to be able to receive authenticated requests from WordPress.com.
  • Jetpack の WP CLI でsync コマンドを使用。
  • You can now set the value for options directly in the Contact Form shortcode.
  • Updated some verbiage around IP Whitelisting on the Protect settings screen.
  • カスタムボタンを共有に、いくつか新しい変数を追加。
  • blip.tv のサービス終了により、ショートコードを削除。
  • Improved Image and Display Posts Widget settings to provide more explanation and better error messages.
  • We’ve added a few new Content Options to the Customizer for supported themes.
  • Improved the Facebook Widget to avoid confusion when editing width and height settings.
  • いくつかのショートコードを追加、改善。

互換性の向上:

  • If your server is misconfigured and we can’t get an IP address we’re going to deactivate Protect and send you a notice so you’re in the loop.
  • The WPML compatibility file wasn’t loading at the right time, but we’ve fixed that.
  • We’ve improved compatibility with tools like Cavalcade to avoid stuck Cron jobs.
  • Some selected WooCommerce data (order items and order item meta) are now syncing to WordPress.com.

バグ修正

  • You’ll notice numerous design improvements to the Jetpack UI.
  • Accessibility is important to us so we’ve made some improvements there.
  • Missing attachments in the Carousel were causing an infinite loop, but we’ve corrected that.
  • Eliminated a PHP Notice when running the CLI wp jetpack command.
  • PHP warnings in the Restaurant Menu Post type have seen their last day with us.
  • Fixed a bug that displayed the wrong connected user for up to 24 hours after they disconnected.
  • Removed a deprecated function to prevent notices when using Infinite Scroll in the Customizer.
  • Long titles in Jetpack widgets weren’t looking so great, so we cleaned them up.
  • Before now you weren’t able to create a child category from WordPress.com. Now you can!
  • Rogue colons were showing up in the related posts area on sites with the Twenty Fourteen and Twenty Sixteen themes.
  • Fixed a ReCaptcha error on the Email sharing button.
  • Confirmed Instagram embeds actually load when using Infinite Scroll.
  • Site Icons now display on the WordPress.com site management interface.
  • Set a default time limit of 30 seconds when sending sync requests via Cron.
  • Synchronized supported shortcodes on a site.
  • Fixed an issue where empty categories weren’t showing with the Widget Visibility feature dropdown.
  • Fixed various little bugs when working with multiple widgets in the Customizer and in the Widgets admin screen.
  • Added a Translate Widget default title in case you haven’t defined one.
  • The Top Posts Widget now avoids layout issues when using the Grid layout while displaying a post without an image.

4.4.2

  • リリース日: 2016年12月6日
  • リリース投稿: http://wp.me/p1moTy-3JR

This release improves Jetpack compatibility with WordPress 4.7.

互換性変更

  • Custom CSS: Made the Custom CSS feature of Jetpack compatible with the CSS Customizer editor in WordPress 4.7.
  • Sync: improved compatibility with the wp-missed-schedule plugin.

バグ修正

  • Featured Content: made sure there is no infinite loop when removing the featured tag from the tag list.
  • Admin: made sure help tabs are not being hidden.
  • Admin: made At a Glance page work nicely when there is no backup data yet.
  • Sync: now making sure that needed classes are loaded, preventing errors.
  • Sync: cleared out unneeded scheduled jobs.

4.4.1

  • リリース日: 2016年11月22日
  • リリース投稿: http://wp.me/p1moTy-3JR

バグ修正

  • Fixed an issue where some users with slower servers would get an error on the Jetpack dashboard when WP_DEBUG was enabled.
  • Fixed an issue where users on a Jetpack Professional plan who were paying monthly (as opposed to annually) wouldn’t be able to enable SEO Tools.

4.4

  • リリース日: 2016年11月21日
  • リリース記事: http://wp.me/p1moTy-3FE

改善点

  • Additional unit tests have been added to improve Jetpack’s development process and stability.
  • Custom post types have been added to the WP REST API output.
  • Many of the screenshots throughout the plugin have been replaced by SVGs in order to make Jetpack smaller.
  • New endpoints have been added to allow the installation of plugin and theme zip files via the API.
  • Twelve new filters to make Jetpack more extensible! See: http://wp.me/p1moTy-3FE.
  • New widget: “Google Translate” to allow users to translate your site into their own language.
  • New widget: “My Community” where you can see who recently interacted with your site.
  • One of the biggest issues facing Jetpack users for years now has been difficulties in moving sites from one domain name to another. This update makes strides towards improving that process.
  • Photon now uses HTTPS by default. Secure all the things!
  • There are now helpful hints throughout the admin interface to make Jetpack easier to use.
  • We now allow you to embed pins, boards and profiles from Pinterest.
  • Jetpack プロフェッショナルプランの利用者の方にお使いいただける新しい機能、SEO ツールを追加しました。プランについて詳しくはこちらをご覧ください。https://jetpack.com/features/
  • We’ve made numerous improvements to the data sync process.

バグ修正:

  • Akismet 設定へのリンクを修正。
  • Improved compatibility between Infinite Scroll and WPML.
  • Move email notification settings back with the other email settings in the Discussion Settings.
  • Various minor performance/compatibility fixes.

4.3.2

  • リリース日: 2016年10月13日

改善点

  • Unsaved changes were getting lost when users were navigating away from settings so we put in a confirmation message to prevent this from happening.
  • We’ve stopped counting carousel views in stats by default, you can use the jetpack_enable_carousel_stats filter to enable counting them again.
  • 統計情報のレスポンスを高速化。
  • There were several improvements and repairs made to sync including additional endpoints, performance enhancements, whitelisted data, better decision making around when to sync information, and more.
  • Markdown now has a CSS class on footnotes.

互換性の向上:

  • We’ve improved compatibility with Kinsta by automatically turning on Staging Mode for Jetpack when in a staging environment.

バグ修正:

  • Several fixes have been made to sync to repair issues with Publicize, Notifications, and Subscriptions.
  • We removed PHP warnings by checking to make sure json language files like jetpack-en_US.json are readable before we load them.
  • We found an unused option in Gravatar Hovercard settings and removed it.
  • The correct support link is now being used to make it easier for you to connect with the Jetpack team if you need us.
  • The permissions check for plugin information retrieval was fixed as well.
  • Some plugins were adding content on outbound http requests causing an infinite loop we fixed this right up.
  • We removed some warnings that were occurring when translations didn’t exist by adding a fallback.
  • We’ve added Moroccan Arabic translations, and switched to language packs for Croatian, Spanish (Chile) and Greek.
  • Sync was running into issues so we’ve limited dequeue time to 1/3 of PHP’s max execution time, which has unclogged the problem.
  • We’re now sending full and incremental queues separately so that a failure in one doesn’t block the other.
  • There was a JavaScript enqueuing error with our Sharing feature that has been repaired.
  • The Top Posts widget now includes the ability to list attachment (media) pages.
  • We weren’t building CPT links correctly resulting in bad navigation, which is now fixed.
  • We removed the form legend for default Tiled Gallery settings as it doesn’t relate.
  • With shortcodes we now return early from processing them if no string is passed, as they are required.

4.3.1

  • リリース日: 2016年9月8日

サポートの強化

  • 必要な際により良いサポートを提供するため、ホストに関するデータを同期するようにしました。
  • インラインドキュメントとバージョン番号を一致させるためのマイナーアップデート。

バグ修正:

  • Admin Page: fix error when Admin Page resources could not be fetched with wp_remote_get due to unique host configurations.
  • Admin Page: fix error when Post By Email could not be enabled when the browser’s dev console was enabled.
  • Admin Page: make sure all translated strings are encoded properly.
  • Admin Page: only use POST requests for updating the state of Jetpack, to avoid issues on servers not allowing PUT requests.
  • Admin Page: search icon no longer overlaps the global notices.
  • Admin Page: make sure that non-admins can also modify Spellchecking settings.
  • 一般: より多くのホストとの乱数生成機能の互換性を向上。
  • General: Add deprecated PHP file (class.jetpack-landing-page.php) back as an empty file, to avoid generating fatal errors on sites with aggressive caching.
  • General: Ensure concatenated CSS is generated for RTL languages.
  • Security: Ensure that all options are included on the security tab.
  • Stats: fix display for sites with pretty permalinks disabled.
  • Subscriptions: ensure that no email is sent when updating a published post.
  • Sync: To improve performance, add snapTW to the list of post meta data that won’t be synchronized for each post.
  • Sync: do not schedule a full sync after each import.
  • Verification Tools: in the Settings card, use appropriate link for each service.

4.3

  • リリース日: 2016年9月6日

エキサイティングな、パフォーマンスと UI の改善:

  • 1年かけて完全に React で構築した新インターフェースをローンチ。お気に入りの Jetpack 機能を、よりコントロールしやすいように設計しました。

貢献者と開発者

これはオープンソースソフトウェアです。以下の人々がこのプラグインに貢献しています。

貢献者

コードを参照