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10503 lines (10503 loc) · 348 KB
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[
{
"index": 0,
"win_url": "https://goodui.org/site/assets/files/10198/leak083_bfull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/10197/leak083_afull.jpg",
"source": "https://goodui.org/leaks/etsy-a-b-tests-5-vs-4-listing-tiles/",
"company": "Etsy",
"page_type": "listing page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Tile": [
"Count",
"Size"
]
},
"rationale": [
{
"reason": "The right version simplifies the layout by reducing the number of relevant tiles, making it easier for users to process information.",
"law": {
"name": "Law of Common Region",
"type": "Perception"
}
},
{
"reason": "The larger tiles in the right version stand out more, making them easier to remember and likely to attract user attention.",
"law": {
"name": "Von Restorff Effect",
"type": "Memory"
}
},
{
"reason": "The larger tile size in the right version makes it easier to click, reducing the time and effort required for interaction.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
}
]
},
{
"index": 1,
"win_url": "https://goodui.org/site/assets/files/4229/leak023_afull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/4230/leak022_bfull-1.jpg",
"source": "https://goodui.org/leaks/zalando-rejects-a-b-tested-company-logos-and-a-smaller-add-to-cart-button/",
"company": "Zalando",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Image": [
"Presence"
]
},
"rationale": [
{
"reason": "The removal of the Bugatti logo simplifies the visual representation, reducing cognitive load and allowing users to focus more on the product information.",
"law": {
"name": "Law of Prägnanz",
"type": "Perception"
}
},
{
"reason": "The distance to the 'Add to Cart' button in the right version is closer, making it easier to click and facilitating the achievement of the target action.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
},
{
"reason": "The right version simplifies the interface by following familiar design patterns, aligning with user expectations based on previous experiences with online shopping.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 2,
"win_url": "https://goodui.org/site/assets/files/4229/leak023_afull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/4231/leak022_cfull-1.jpg",
"source": "https://goodui.org/leaks/zalando-rejects-a-b-tested-company-logos-and-a-smaller-add-to-cart-button/",
"company": "Zalando",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Button": [
"Position"
],
"Image": [
"Presence"
]
},
"rationale": [
{
"reason": "The larger 'Add to Cart' button in the right version makes it easier and quicker for users to click, increasing the likelihood of order fulfillment.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
},
{
"reason": "The removal of the Bugatti logo aligns with users' expectations for a simpler interface, reducing cognitive load and making the 'Add to Cart' button more prominent.",
"law": {
"name": "Law of Prägnanz",
"type": "Perception"
}
},
{
"reason": "In the right version, the 'Favorite' button is positioned closer to the 'Add to Cart' button, helping users more easily associate these actions.",
"law": {
"name": "Law of Proximity",
"type": "Perception"
}
},
{
"reason": "The right version simplifies the interface by following familiar design patterns, aligning with user expectations based on previous experiences with online shopping.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 3,
"win_url": "https://goodui.org/site/assets/files/12451/leak0101_afull.jpg",
"lose_url": "https://goodui.org/site/assets/files/12452/leak101_bfull-1.jpg",
"source": "https://goodui.org/leaks/amazon-a-b-tests-and-rejects-this-product-description-format/",
"company": "Amazon",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Text": [
"Layout"
]
},
"rationale": [
{
"reason": "The tabular format for presenting product details simplifies the information so that users can quickly understand it without cognitive overload.",
"law": {
"name": "Law of Prägnanz",
"type": "Perception"
}
},
{
"reason": "The tabular format aligns with user expectations based on previous experiences with product descriptions, reducing cognitive load and facilitating faster understanding.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
},
{
"reason": "The indentation format helps group related information together, allowing users to see the relationships between product details more clearly.",
"law": {
"name": "Law of Similarity",
"type": "Perception"
}
}
]
},
{
"index": 4,
"win_url": "https://goodui.org/site/assets/files/4510/leak031_afull.jpg",
"lose_url": "https://goodui.org/site/assets/files/4512/leak031_cfull-1.jpg",
"source": "https://goodui.org/leaks/netflix-designs-their-button-a-little-too-big/",
"company": "Netflix",
"page_type": "landing page",
"industry_domain": "Entertainment & Media",
"web_mobile": "web",
"ui_change": {
"Button": [
"Size"
]
},
"rationale": [
{
"reason": "The simple design with a slightly smaller button on the right version reduces cognitive load and minimizes distractions, allowing users to focus on the main CTA text.",
"law": {
"name": "Law of Prägnanz",
"type": "Perception"
}
}
]
},
{
"index": 5,
"win_url": "https://goodui.org/site/assets/files/5936/leak060_afull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/5937/leak060_bfull-1.jpg",
"source": "https://goodui.org/leaks/airbnb-rejects-auto-suggesting-dates-in-this-failed-a-b-test/",
"company": "Airbnb",
"page_type": "product/service detail page",
"industry_domain": "Travel & Hospitality",
"web_mobile": "web",
"ui_change": {
"Card": [
"Presence"
]
},
"rationale": [
{
"reason": "By removing auto-suggestions, users have fewer options to choose from, which reduces decision-making time and makes the booking process more efficient.",
"law": {
"name": "Hick’s Law",
"type": "Action"
}
},
{
"reason": "Users are likely more accustomed to selecting their dates without suggestions, which aligns with their previous experiences on other platforms and reduces cognitive load.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 6,
"win_url": "https://goodui.org/site/assets/files/7705/leak066_afull.jpg",
"lose_url": "https://goodui.org/site/assets/files/7706/leak066_bfull.jpg",
"source": "https://goodui.org/leaks/airbnb-once-again-rejects-next-available-date-suggestions/",
"company": "Airbnb",
"page_type": "product/service detail page",
"industry_domain": "Travel & Hospitality",
"web_mobile": "web",
"ui_change": {
"Input Field": [
"Presence"
]
},
"rationale": [
{
"reason": "Removing the upcoming date suggestions reduces the number of choices presented to the user, speeding up the decision-making process and making it easier for users to select a date.",
"law": {
"name": "Hick’s Law",
"type": "Action"
}
}
]
},
{
"index": 7,
"win_url": "https://goodui.org/site/assets/files/5087/leak045_bfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/5086/leak045_afull.jpg",
"source": "https://goodui.org/leaks/netflix-a-b-tests-early-email-capture-at-the-start-of-their-signup-flow-and-it-succeeds/",
"company": "Netflix",
"page_type": "landing page",
"industry_domain": "Entertainment & Media",
"web_mobile": "web",
"ui_change": {
"Input Field": [
"Presence"
]
},
"rationale": [
{
"reason": "By placing the email field front and center, it becomes larger and closer to the action button, allowing users to access it more quickly and accurately.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
},
{
"reason": "The design aligns with user expectations for a simple sign-up process because users are accustomed to seeing the email field early in similar interfaces.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
},
{
"reason": "Since users believe they can use the service as soon as they enter their email information, their motivation to act increases, encouraging them to click the 'TRY IT NOW' button.",
"law": {
"name": "Goal-Gradient Effect",
"type": "Action"
}
}
]
},
{
"index": 8,
"win_url": "https://goodui.org/site/assets/files/5016/leak044_cfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/5014/leak044_afull.jpg",
"source": "https://goodui.org/leaks/etsy-discovers-a-better-padded-and-wider-search-bar-in-this-a-b-c-test/",
"company": "Etsy",
"page_type": "search page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Input Field": [
"Padding",
"Color"
],
"Button": [
"Presence"
]
},
"rationale": [
{
"reason": "The wide search bar in the modified version is easier to access and allows for faster interactions, and larger elements are easier to target.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
},
{
"reason": "The increased padding and contrast in the modified version simplify the visual representation, making it easier for users to recognize and interact with the search bar.",
"law": {
"name": "Law of Prägnanz",
"type": "Perception"
}
},
{
"reason": "The stark change to a label-less gray search bar can attract attention and may be more memorable than the original version.",
"law": {
"name": "Von Restorff Effect",
"type": "Memory"
}
}
]
},
{
"index": 9,
"win_url": "https://goodui.org/site/assets/files/13510/leak111_bfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/13509/leak111_afull.jpg",
"source": "https://goodui.org/leaks/walmart-a-b-tests-and-rolls-out-this-new-product-page-layout/",
"company": "Walmart",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Text": [
"Position"
],
"Tile": [
"Presence",
"Layout"
],
"Button": [
"Position"
],
"Image": [
"Position"
]
},
"rationale": [
{
"reason": "Simplifying product information into a summary allows users to quickly grasp key details without cognitive overload.",
"law": {
"name": "Law of Prägnanz",
"type": "Perception"
}
},
{
"reason": "By providing an \"Add to Cart\" button in the form of a Floating Bar on the right, it makes it easier for users to click and increases the likelihood of purchase.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
},
{
"reason": "Using bullet points in the product description on the right version creates a consistent visual format that effectively groups related information.",
"law": {
"name": "Law of Similarity",
"type": "Perception"
}
},
{
"reason": "The right version groups product details within a defined central area, making it easier for users to recognize it as an integrated set of information.",
"law": {
"name": "Law of Common Region",
"type": "Perception"
}
}
]
},
{
"index": 10,
"win_url": "https://goodui.org/site/assets/files/12884/leak105_cfull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/12882/leak105_afull.jpg",
"source": "https://goodui.org/leaks/etsy-a-b-tests-3-footer-variations-with-their-story-and-customer-support-links/",
"company": "Etsy",
"page_type": "landing page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Footer": [
"Presence"
]
},
"rationale": [
{
"reason": "Groups FAQs about the site into a common area to facilitate user recognition.",
"law": {
"name": "Law of Common Region",
"type": "Perception"
}
},
{
"reason": "Organizes frequently asked questions at the bottom of the site in the Footer section to make them more effectively remembered by users.",
"law": {
"name": "Serial Position Effect",
"type": "Memory"
}
},
{
"reason": "The correct version follows a familiar pattern using expandable questions, aligning with user expectations based on previous experiences with FAQs, thus reducing cognitive load.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 11,
"win_url": "https://goodui.org/site/assets/files/12884/leak105_cfull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/12883/leak105_bfull-1.jpg",
"source": "https://goodui.org/leaks/etsy-a-b-tests-3-footer-variations-with-their-story-and-customer-support-links/",
"company": "Etsy",
"page_type": "landing page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Text": [
"Presence"
]
},
"rationale": [
{
"reason": "Users can perceive information more effectively by condensing the amount of information they can recognize.",
"law": {
"name": "Miller’s Law",
"type": "Memory"
}
},
{
"reason": "The correct version compresses the information into two concise questions, reducing the number of choices, allowing users to make decisions faster.",
"law": {
"name": "Hick’s Law",
"type": "Action"
}
},
{
"reason": "The correct version meets user expectations by providing a simpler and less complex interface, similar to other modern websites.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 12,
"win_url": "https://goodui.org/site/assets/files/12884/leak105_cfull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/12885/leak105_dfull.jpg",
"source": "https://goodui.org/leaks/etsy-a-b-tests-3-footer-variations-with-their-story-and-customer-support-links/",
"company": "Etsy",
"page_type": "landing page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Text": [
"Presence",
"Layout",
"Text Content"
]
},
"rationale": [
{
"reason": "It compresses information into two expandable questions to reduce cognitive load and make it easier for users to understand.",
"law": {
"name": "Law of Prägnanz",
"type": "Perception"
}
},
{
"reason": "It helps users make decisions faster and more efficiently by limiting content to two questions, thereby reducing the number of choices.",
"law": {
"name": "Hick’s Law",
"type": "Action"
}
},
{
"reason": "It follows the principle that fewer items, such as two questions, are easier for users to remember and process than a long version with multiple paragraphs.",
"law": {
"name": "Miller’s Law",
"type": "Memory"
}
}
]
},
{
"index": 13,
"win_url": "https://goodui.org/site/assets/files/3628/leak005_afull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/3635/leak005_efull-1.jpg",
"source": "https://goodui.org/leaks/netflix-rejected-all-these-tested-homepage-variations-perhaps-this-one-will-help/",
"company": "Netflix",
"page_type": "homepage",
"industry_domain": "Entertainment & Media",
"web_mobile": "web",
"ui_change": {
"Card": [
"Presence"
],
"Text": [
"Text Content"
],
"Tile": [
"Presence"
],
"Button": [
"Count",
"Position"
]
},
"rationale": [
{
"reason": "The right version simplifies the homepage by removing complex elements such as free trial visuals and additional selling points, making it easier for users to process information.",
"law": {
"name": "Law of Prägnanz",
"type": "Perception"
}
},
{
"reason": "The right version potentially reduces the time for users to make decisions by decreasing the number of choices through the removal of multiple sections.",
"law": {
"name": "Hick’s Law",
"type": "Action"
}
},
{
"reason": "It is expected that the user's motivation to participate will increase because they expect there to be no procedures such as payment registration required to use the service, leading to a higher completion rate of tasks.",
"law": {
"name": "Goal-Gradient Effect",
"type": "Action"
}
}
]
},
{
"index": 14,
"win_url": "https://goodui.org/site/assets/files/5856/leak058_bfull-1.jpg",
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"source": "https://goodui.org/leaks/airbnb-a-b-tests-and-discovers-that-a-higher-button-position-is-better/",
"company": "Airbnb",
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"Button": [
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],
"Link": [
"Presence"
]
},
"rationale": [
{
"reason": "The high position of the \"Reserve\" button is closer to the user's general eye level and is in an area that is easier to access, allowing for fast and accurate access.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
},
{
"reason": "Elements that are close together are perceived to be related, making information delivery easier.",
"law": {
"name": "Law of Proximity",
"type": "Perception"
}
},
{
"reason": "Significant changes in button placement are likely to account for most of the increase in click counts, focusing on the most impactful features.",
"law": {
"name": "Pareto Principle",
"type": "Action"
}
},
{
"reason": "The underlined text link for the price tooltip creates visual consistency, helping users associate it with actionable items, thereby increasing its perceived importance.",
"law": {
"name": "Law of Similarity",
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}
}
]
},
{
"index": 15,
"win_url": "https://goodui.org/site/assets/files/6008/leak063_cfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/6006/leak063_afull.jpg",
"source": "https://goodui.org/leaks/bol-replicates-airbnbs-experiment-which-confirms-a-better-customer-rating-format/",
"company": "Bol",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Text": [
"Presence"
]
},
"rationale": [
{
"reason": "It effectively conveys information in smaller units compared to the winning version.",
"law": {
"name": "Miller’s Law",
"type": "Memory"
}
},
{
"reason": "The format used in the winning version aligns with familiar patterns seen on other platforms, reducing cognitive load and making it easier for users to process information.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 16,
"win_url": "https://goodui.org/site/assets/files/6092/leak064_bfull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/6091/leak064_afull.jpg",
"source": "https://goodui.org/leaks/amazon-a-b-tests-the-list-vs-grid-layout/",
"company": "Amazon",
"page_type": "listing page",
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"web_mobile": "web",
"ui_change": {
"Tile": [
"Layout"
]
},
"rationale": [
{
"reason": "Users are accustomed to grid layouts from their many online shopping experiences, making transitions smoother and reducing cognitive load.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 17,
"win_url": "https://goodui.org/site/assets/files/5006/leak047_cfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/5004/leak047_afull.jpg",
"source": "https://goodui.org/leaks/bol-tests-8-add-to-cart-buttons-with-1-winner/",
"company": "Bol",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Button": [
"Size"
],
"Icon": [
"Presence"
],
"Text": [
"Presence"
]
},
"rationale": [
{
"reason": "As the size of the button increases in the right version, it becomes easier to click, and larger targets are more accessible.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
},
{
"reason": "The phrase \"Add to Cart\" is a familiar expression to users, matching their previous experiences in online shopping.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
},
{
"reason": "Effectively emphasizes the CTA phrase by making it more noticeable.",
"law": {
"name": "Von Restorff Effect",
"type": "Memory"
}
}
]
},
{
"index": 18,
"win_url": "https://goodui.org/site/assets/files/5006/leak047_cfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/5005/leak047_bfull.jpg",
"source": "https://goodui.org/leaks/bol-tests-8-add-to-cart-buttons-with-1-winner/",
"company": "Bol",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Button": [
"Text Content"
]
},
"rationale": [
{
"reason": "The label \"Add to Cart\" aligns with common e-commerce practices, making it familiar to users and reducing cognitive load.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 19,
"win_url": "https://goodui.org/site/assets/files/5006/leak047_cfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/5007/leak047_dfull.jpg",
"source": "https://goodui.org/leaks/bol-tests-8-add-to-cart-buttons-with-1-winner/",
"company": "Bol",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Button": [
"Text Content"
]
},
"rationale": [
{
"reason": "The label \"Add to Cart\" aligns with common e-commerce practices, making it familiar to users and reducing cognitive load.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
},
{
"reason": "The button size of the \"Add to Cart\" version is likely larger, making it easier to click compared to the smaller \"Buy Now\" button.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
}
]
},
{
"index": 20,
"win_url": "https://goodui.org/site/assets/files/5006/leak047_cfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/5006/leak047_ffull.jpg",
"source": "https://goodui.org/leaks/bol-tests-8-add-to-cart-buttons-with-1-winner/",
"company": "Bol",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Button": [
"Text Content"
]
},
"rationale": [
{
"reason": "The label \"Add to Cart\" is consistent with common e-commerce practices, making it familiar to users and reducing cognitive load.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
},
{
"reason": "The button size may have increased in the right version, making it easier to click and access quickly.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
}
]
},
{
"index": 21,
"win_url": "https://goodui.org/site/assets/files/5006/leak047_cfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/5006/leak047_hfull.jpg",
"source": "https://goodui.org/leaks/bol-tests-8-add-to-cart-buttons-with-1-winner/",
"company": "Bol",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Button": [
"Text Content"
]
},
"rationale": [
{
"reason": "The label \"Add to Cart\" is consistent with common e-commerce practices, making it familiar to users and reducing cognitive load.",
"law": {
"name": "Jakob’s Law",
"type": "Memory"
}
}
]
},
{
"index": 22,
"win_url": "https://goodui.org/site/assets/files/5752/leak055_bfull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/5751/leak055_afull-1.jpg",
"source": "https://goodui.org/leaks/airbnb-a-b-tests-and-detects-a-better-placement-for-saving-properties/",
"company": "Airbnb",
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"web_mobile": "web",
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"Icon": [
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]
},
"rationale": [
{
"reason": "The save icon is placed closer to the position where the cursor is usually located when the user scrolls, making interactions easier and faster.",
"law": {
"name": "Fitts’s Law",
"type": "Action"
}
},
{
"reason": "The save icon is now positioned separately from the thumbnail, reducing confusion about each other's functions and making their different purposes clearer.",
"law": {
"name": "Law of Common Region",
"type": "Perception"
}
},
{
"reason": "The new position of the save icon does not visually compete with the thumbnail, allowing the user to better understand the relationship between the two elements.",
"law": {
"name": "Law of Proximity",
"type": "Perception"
}
}
]
},
{
"index": 23,
"win_url": "https://goodui.org/site/assets/files/4493/leak030_afull-1.jpg",
"lose_url": "https://goodui.org/site/assets/files/4494/leak030_bfull-1.jpg",
"source": "https://goodui.org/leaks/bookings-carousel-fails-in-this-experiment-as-predicted/",
"company": "Booking.com",
"page_type": "homepage",
"industry_domain": "Travel & Hospitality",
"web_mobile": "web",
"ui_change": {
"Tile": [
"Count"
],
"Button": [
"Presence"
]
},
"rationale": [
{
"reason": "The version with 5 tiles (B) stays within cognitive load limits, allowing users to process information without feeling overwhelmed.",
"law": {
"name": "Miller’s Law",
"type": "Memory"
}
}
]
},
{
"index": 24,
"win_url": "https://goodui.org/site/assets/files/9241/leak075_bfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/9240/leak075_afull.jpg",
"source": "https://goodui.org/leaks/amazon-a-b-tested-this-bigger-price-style/",
"company": "Amazon",
"page_type": "product/service detail page",
"industry_domain": "Retail & E-commerce",
"web_mobile": "web",
"ui_change": {
"Text": [
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"Text Content",
"Color"
]
},
"rationale": [
{
"reason": "Removing the decimal point and highlighting the discount in red makes these elements stand out more, drawing attention to the price and perceived savings.",
"law": {
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"type": "Memory"
}
}
]
},
{
"index": 25,
"win_url": "https://goodui.org/site/assets/files/5901/leak059_bfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/5900/leak059_afull.jpg",
"source": "https://goodui.org/leaks/amazon-discovers-that-showing-structured-product-details-is-better/",
"company": "Amazon",
"page_type": "product/service detail page",
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"web_mobile": "web",
"ui_change": {
"Text": [
"Layout"
]
},
"rationale": [
{
"reason": "By providing structured details of information in a tabular format, it simplifies the information so that users can quickly understand the main specifications.",
"law": {
"name": "Law of Proximity",
"type": "Perception"
}
},
{
"reason": "By using consistent labels and formats in the structured details, it helps users group related information together, enhancing their perception of the product's functionality.",
"law": {
"name": "Law of Similarity",
"type": "Perception"
}
},
{
"reason": "By organizing product details in a structured format, the amount of information presented at once becomes manageable, reducing cognitive overload and making it easier for users to process information.",
"law": {
"name": "Miller’s Law",
"type": "Memory"
}
},
{
"reason": "Structured presentations clearly delineate product specifications, reducing the complexity of choices and helping users make faster decisions.",
"law": {
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}
}
]
},
{
"index": 26,
"win_url": "https://goodui.org/site/assets/files/3693/leak006_bfull.jpg",
"lose_url": "https://goodui.org/site/assets/files/3692/leak006_afull.jpg",
"source": "https://goodui.org/leaks/booking-a-b-tested-and-rolled-out-an-expanded-calendar-control/",
"company": "Booking.com",
"page_type": "landing page",
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"web_mobile": "web",
"ui_change": {
"Dropdown": [
"Presence"
]
},
"rationale": [
{
"reason": "Because it is always visible, it is easier to access, allowing users to select dates more quickly without needing to click to open the menu.",
"law": {
"name": "Fitts’s Law",
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}
}
]
},
{
"index": 27,
"win_url": "https://goodui.org/site/assets/files/12181/leak099_afull.jpg",
"lose_url": "https://goodui.org/site/assets/files/12182/leak099_bfull.jpg",
"source": "https://goodui.org/leaks/booking-a-b-tests-a-highly-prominent-deals-page-and-possibly-rejects-it/",
"company": "Booking.com",
"page_type": "homepage",
"industry_domain": "Travel & Hospitality",
"web_mobile": "web",
"ui_change": {
"Button": [
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],
"Input Field": [
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],
"Text": [
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],
"Image": [
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]
},
"rationale": [
{
"reason": "The travel itinerary selection feature is placed at the top to introduce the function to users more effectively.",
"law": {
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}
},
{
"reason": "By placing the main search at the top, it is made larger and more accessible, leading to faster interactions compared to the less emphasized left version.",
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"name": "Fitts’s Law",
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}
}
]
},
{