Performance Report for https://www.tadashishoji.com/marcel-embroidered-illusion-gown

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

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A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows. Learn how to avoid an excessive DOM size.

["ul.level2 > li.level3 > a > span","body#html-body"]

First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric.

"[]"

First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.

"[]"

Leverage the `font-display` CSS feature to ensure text is user-visible while webfonts are loading. Learn more about `font-display`.

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Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

"[{\"url\": \"https:\/\/www.tadashishoji.com\/marcel-embroidered-illusion-gown\", \"responseTime\": 710.6410000000001}]"

Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric

"[]"

This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element

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Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers. Learn how to use modern JavaScript

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Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

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The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

[]

Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more about modern image formats.

["div.MagicToolboxSelectorsContainer > div#MagicToolboxSelectors76183 > a.mt-thumb-switcher > img","div.MagicToolboxSelectorsContainer > div#MagicToolboxSelectors76183 > a.mt-thumb-switcher > img","a.product > span.product-image-container > span.product-image-wrapper > img.product-image-photo","div.MagicToolboxSelectorsContainer > div#MagicToolboxSelectors76183 > a.mt-thumb-switcher > img","div.MagicToolboxSelectorsContainer > div#MagicToolboxSelectors76183 > a.mt-thumb-switcher > img"]

For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. Learn how to avoid document.write().

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Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn how to eliminate render-blocking resources.

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Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

"[{\"url\": \"https:\/\/www.tadashishoji.com\/marcel-embroidered-illusion-gown\", \"responseTime\": 710.6410000000001}]"

Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric.

"[]"

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn how to minimize third-party impact.

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Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric.

[]

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

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Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

"[{\"url\": \":focus {outline:none;} \u2026\", \"totalBytes\": 4920, \"wastedBytes\": 2292, \"wastedPercent\": 46.57778205621871}]"

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

"[{\"url\": \"https:\/\/api.getcandid.com\/scripts\/widget.frame.js\", \"totalBytes\": 19218, \"wastedBytes\": 2505, \"wastedPercent\": 13.035418089569715}]"

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

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Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

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Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

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A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.

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Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.

["a.product > span.product-image-container > span.product-image-wrapper > img.product-image-photo"]

Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance. Learn more about adopting passive event listeners.

"[{\"source\": {\"url\": \"https:\/\/www.tadashishoji.com\/marcel-embroidered-illusion-gown\", \"line\": 8, \"type\": \"source-location\", \"column\": 18268, \"urlProvider\": \"network\"}}]"

Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.

["div.MagicToolboxSelectorsContainer > div#MagicToolboxSelectors76183 > a.mt-thumb-switcher > img","div.MagicToolboxSelectorsContainer > div#MagicToolboxSelectors76183 > a.mt-thumb-switcher > img","div.MagicToolboxSelectorsContainer > div#MagicToolboxSelectors76183 > a.mt-thumb-switcher > img","div > a#MagicZoomImage-product-76183 > figure.mz-figure > img.no-sirv-lazy-load","a.product > span.product-image-container > span.product-image-wrapper > img.product-image-photo","a.product > span.product-image-container > span.product-image-wrapper > img.product-image-photo","a.product > span.product-image-container > span.product-image-wrapper > img.product-image-photo","div.header-banners > div#header-inner-ad > span > img","a.product > span.product-image-container > span.product-image-wrapper > img.product-image-photo"]

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more about text compression.

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