Site Title

Amazon | 本, ファッション, 家電から食品まで | アマゾン Meta Description 公式サイト。お急ぎ便ご利用で当日・翌日にお届け。アマゾンで本, 日用品, ファッション, 食品, ベビー用品, カー用品ほか一億種の商品をいつでもお安く。通常配送無料(一部を除く) Test Results Mobile Usability: 99/100

Quick overview:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <a id="deals" href="/gp/aw/gb?ref_=navm_deals_btn" class="nav-a">タイムセール</a> and 5 others are close to other tap targets .
... Mobile Speed: 44/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:,01-yf03D4rL.css,01gq5Ie9j3L.css,31hoEl6boUL.css,01UxcfdgBIL.css,21oJOINhsoL.css,11UksSmDw-L.css,11+zKfQDbkL.css,21F1dcMesjL.css,01mq--sv14L.css,117-Dg7wwnL.css,31feIh0WqaL.css,01COiFb05sL.css,0110epzdnQL.css,21AUJFAFVFL.css,11X2-nh0PYL.css,01h2e2BEitL.css,110Q3MAjYJL.css,11aMMTVEKqL.css,11oyQ9RIYtL.css,01vd5lqeZUL.css,315mU+k7yVL.css,014n1hV6shL.css,11XscvGD69L.css,01cbS3UK11L.css,21ybJUlhyGL.css,01L8Y-JFEhL.css,01OmXOCBEaL.css_.css?AUIClients/AmazonUI
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 334.7KiB (40% reduction).
Compressing could save 51.5KiB (55% reduction).
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 25% of the final above-the-fold content could be rendered with the full HTML response.
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:$uedata=s:%2Fgp%2Fuedata%3Fat%26v%3D0.205688.0%26id%3D2GS3RXGF7Y09VEBM3M94%26m%3D1%26sc%3Dadblk_no%26pc%3D263%26at%3D264%26t%3D1575261369906%26csmtags%3Dadblk_no%26pty%3Dgateway-phone-web%26spty%3Dmobile%26pti%3Dmobile%26tid%3D2GS3RXGF7Y09VEBM3M94%26aftb%3D1:266 (expiration not specified)

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