{"industry":{"id":"70ea3802-1fc6-4fd7-a505-140d38d1c74a","slug":"digital-marketing","label":"Digital Marketing","description":"SEO, content, demand gen, and growth marketing"},"topic":{"slug":"growth-driven-design","label":"Growth-Driven Design","description":null,"schemaKind":null},"answer":{"id":"a4a5df27-346b-41e0-b17a-496fd67f3a3e","slug":"modular-web-design-vs-custom-development-which-converts-better","question":"Modular web design vs custom development: which builds higher-converting websites?","answerMarkdown":"The label alone can't tell you which site will convert better. Modular and custom describe how pages are put together, and a page's conversion rate depends on what it offers, whether the copy and proof fit the buyer, and how the page performs when they use it. The build can affect that last part, through things like speed and ease of use, and neither label guarantees it. The difference we'd pay most attention to is what a later change costs, because a site improves through changes that someone makes and then checks.","answerText":"The label alone can't tell you which site will convert better. Modular and custom describe how pages are put together, and a page's conversion rate depends on what it offers, whether the copy and proof fit the buyer, and how the page performs when they use it. The build can affect that last part, through things like speed and ease of use, and neither label guarantees it. The difference we'd pay most attention to is what a later change costs, because a site improves through changes that someone makes and then checks.","answerHtml":"<p>The label alone can&#39;t tell you which site will convert better. Modular and custom describe how pages are put together, and a page&#39;s conversion rate depends on what it offers, whether the copy and proof fit the buyer, and how the page performs when they use it. The build can affect that last part, through things like speed and ease of use, and neither label guarantees it. The difference we&#39;d pay most attention to is what a later change costs, because a site improves through changes that someone makes and then checks.</p>\n","summary":"Neither modular web design nor custom development produces higher conversion by itself, and the two overlap, since custom-coded modules are reusable. Reusable parts save repeated work on later edits. Gains are looked for in specific changes checked against the site's own evidence.","publishedAt":"2026-06-18T16:33:09.105","verifiedAt":null,"editorialStatus":"APPROVED","lastReviewedAt":"2026-10-10T07:16:51.629","nextReviewDueAt":null,"templateVersion":"v2","aliases":["Does modular web design convert better than custom development?","Modular website vs custom-coded website conversion rates","Is a modular website better for conversion rate optimization?","Should a website be built with reusable modules or custom pages?"],"confidenceScore":null,"confidenceLabel":null,"canonicalUrl":"https://www.answerstack.io/q/modular-web-design-vs-custom-development-which-converts-better"},"contributor":{"id":"dc83f9a1-5273-4639-bffb-43d5fa44c2bf","slug":"lean-labs","displayName":"Lean Labs","websiteUrl":null},"contributorOrganizationProfile":null,"contributorPerson":null,"sections":[{"id":"c7db857e-5e93-4bd3-968f-9e038b354613","sectionKey":"why_the_label_can_t_settle_the_question","sectionType":"markdown_section","heading":"Why the label can't settle the question","introMarkdown":"Both labels cover a wide range of work. A modular site can be assembled from a carefully built library or a poor one, and a custom site can be coded well or badly. Two sites with the same label can differ in their copy, their offer, their speed and the amount of work done on them after launch.\n\nSo knowing which label applies tells you little about how the finished pages will perform for your buyers. A comparison that would settle it has to hold the copy, the design and the offer steady, and a label can't do that for you.","introHtml":"<p>Both labels cover a wide range of work. A modular site can be assembled from a carefully built library or a poor one, and a custom site can be coded well or badly. Two sites with the same label can differ in their copy, their offer, their speed and the amount of work done on them after launch.</p>\n<p>So knowing which label applies tells you little about how the finished pages will perform for your buyers. A comparison that would settle it has to hold the copy, the design and the offer steady, and a label can&#39;t do that for you.</p>\n","outroMarkdown":null,"outroHtml":null,"contentJson":{},"configJson":{},"noteMarkdown":null,"noteHtml":null,"sortOrder":10},{"id":"c4c52e36-9385-4981-b80b-425469ad1549","sectionKey":"the_two_labels_describe_overlapping_things","sectionType":"markdown_section","heading":"The two labels describe overlapping things","introMarkdown":"[Lean Labs' account of modular web design](https://www.leanlabs.com/blog/modular-web-design) describes assembling pages from complete, reusable sections and then customizing each one with its own copy and images. A hero section in that approach arrives with a heading, a call to action and image cards already arranged. The agency builds this way on HubSpot with a product called Sprocket Rocket.\n\nCustom development is often pictured as the opposite, with every page designed and coded as its own piece. It doesn't have to work that way. [HubSpot's module documentation](https://developers.hubspot.com/docs/cms/start-building/building-blocks/modules/overview) calls modules reusable components that go into templates or onto pages, and it says developers can create their own \"for everything from testimonials to photo galleries.\" Each use of a module can carry its own field values, so one testimonial module can show a different customer wherever it appears. [A HubSpot theme](https://developers.hubspot.com/docs/cms/start-building/building-blocks/overview) then packages a developer's templates, modules and style settings into the system editors work in.\n\nA site built that way is custom-coded and modular at once. [Design Systems 101](https://www.nngroup.com/articles/design-systems-101/) from Nielsen Norman Group (NN/g) describes reuse from the design side. It defines a design system as a set of standards with reusable components and patterns, and it says a team can adopt an existing system, adapt one or create its own. A system a team creates for itself is custom work, and its components are built to be reused.\n\nThe choice that affects your site is between reusable parts and page-specific builds. Either one can come from a purchased library or from your own developers.","introHtml":"<p><a href=\"https://www.leanlabs.com/blog/modular-web-design\">Lean Labs&#39; account of modular web design</a> describes assembling pages from complete, reusable sections and then customizing each one with its own copy and images. A hero section in that approach arrives with a heading, a call to action and image cards already arranged. The agency builds this way on HubSpot with a product called Sprocket Rocket.</p>\n<p>Custom development is often pictured as the opposite, with every page designed and coded as its own piece. It doesn&#39;t have to work that way. <a href=\"https://developers.hubspot.com/docs/cms/start-building/building-blocks/modules/overview\">HubSpot&#39;s module documentation</a> calls modules reusable components that go into templates or onto pages, and it says developers can create their own &quot;for everything from testimonials to photo galleries.&quot; Each use of a module can carry its own field values, so one testimonial module can show a different customer wherever it appears. <a href=\"https://developers.hubspot.com/docs/cms/start-building/building-blocks/overview\">A HubSpot theme</a> then packages a developer&#39;s templates, modules and style settings into the system editors work in.</p>\n<p>A site built that way is custom-coded and modular at once. <a href=\"https://www.nngroup.com/articles/design-systems-101/\">Design Systems 101</a> from Nielsen Norman Group (NN/g) describes reuse from the design side. It defines a design system as a set of standards with reusable components and patterns, and it says a team can adopt an existing system, adapt one or create its own. A system a team creates for itself is custom work, and its components are built to be reused.</p>\n<p>The choice that affects your site is between reusable parts and page-specific builds. Either one can come from a purchased library or from your own developers.</p>\n","outroMarkdown":null,"outroHtml":null,"contentJson":{},"configJson":{},"noteMarkdown":null,"noteHtml":null,"sortOrder":20},{"id":"e09dda68-2565-4b1b-bd3a-72a660285281","sectionKey":"what_reuse_changes_is_the_cost_of_an_edit","sectionType":"markdown_section","heading":"What reuse changes is the cost of an edit","introMarkdown":"Suppose a B2B software company has 30 product and industry pages, and each one carries a customer testimonial. The sales team reports that buyers keep asking whether anyone in their own industry uses the product. The marketing team decides every testimonial should name the customer's industry and link to the full story.\n\nNow suppose two versions of that site. On one, the testimonial is a single shared module used on all 30 pages, and a change to the module's fields reaches every page that uses it. On the other, each page has its own independently built layout.\n\nOn the first site, a developer adds the two fields to the module and an editor fills them in page by page. On the second, someone makes the same structural change in each of the 30 layouts. Both teams end up with the same pages, and the first team repeated less work. That saving doesn't decide when the change ships or how many changes a team makes, because those depend on the team's time and priorities.\n\nNN/g credits a design system with consistency and less repeated work, and it also says the system takes time to maintain and to teach. A shared part carries a risk in the other direction too. [HubSpot's content staging guide](https://knowledge.hubspot.com/website-and-landing-pages/redesign-and-relaunch-a-site-with-content-staging) warns that changes to shared templates and global content affect the live pages that use them, so a mistake in one of them reaches the live pages that use it. And when a page needs a layout that no existing section or setting can produce, that layout is new development on either kind of site.","introHtml":"<p>Suppose a B2B software company has 30 product and industry pages, and each one carries a customer testimonial. The sales team reports that buyers keep asking whether anyone in their own industry uses the product. The marketing team decides every testimonial should name the customer&#39;s industry and link to the full story.</p>\n<p>Now suppose two versions of that site. On one, the testimonial is a single shared module used on all 30 pages, and a change to the module&#39;s fields reaches every page that uses it. On the other, each page has its own independently built layout.</p>\n<p>On the first site, a developer adds the two fields to the module and an editor fills them in page by page. On the second, someone makes the same structural change in each of the 30 layouts. Both teams end up with the same pages, and the first team repeated less work. That saving doesn&#39;t decide when the change ships or how many changes a team makes, because those depend on the team&#39;s time and priorities.</p>\n<p>NN/g credits a design system with consistency and less repeated work, and it also says the system takes time to maintain and to teach. A shared part carries a risk in the other direction too. <a href=\"https://knowledge.hubspot.com/website-and-landing-pages/redesign-and-relaunch-a-site-with-content-staging\">HubSpot&#39;s content staging guide</a> warns that changes to shared templates and global content affect the live pages that use them, so a mistake in one of them reaches the live pages that use it. And when a page needs a layout that no existing section or setting can produce, that layout is new development on either kind of site.</p>\n","outroMarkdown":null,"outroHtml":null,"contentJson":{},"configJson":{},"noteMarkdown":null,"noteHtml":null,"sortOrder":30},{"id":"932c8c89-f507-498e-b3ab-c6445fe647e7","sectionKey":"the_two_assumed_sites_compared","sectionType":"table_section","heading":"The two assumed sites compared","introMarkdown":null,"introHtml":null,"outroMarkdown":null,"outroHtml":null,"contentJson":{"rows":[{"cells":["Adding the two testimonial fields","Change the module, then fill in the fields on each page","Make the structural change in each layout"]},{"cells":["Adding another page with a testimonial","Use the module again","Build or copy the section for that page"]},{"cells":["A mistake in the change","Reaches the pages that use the module","Stays on the page where it was made"]},{"cells":["Upkeep","One module to maintain, and editors need to know its fields","30 sections to keep consistent"]}],"columns":["Job","Shared module on 30 pages","30 independent layouts"]},"configJson":{},"noteMarkdown":null,"noteHtml":null,"sortOrder":40},{"id":"cf2bc859-952c-4bf9-853a-9931049dd14f","sectionKey":"where_conversion_gains_come_from","sectionType":"markdown_section","heading":"Where conversion gains come from","introMarkdown":"Conversion gains can follow specific changes to a page, such as what it says, offers or asks of the visitor, and you look for candidates in your own evidence. [Lean Labs' growth-driven design service](https://www.leanlabs.com/solutions/growth-driven-design) describes drawing on page behavior, form results, CRM lifecycle data and sales feedback to decide what to change. It ranks the candidates by expected pipeline impact, by buyer relevance and confidence, and by effort.\n\nEffort is where the build method enters that ranking. When a change repeats the same structural work across many pages, as in the example, a shared section means doing that work once. That's a reason to prefer reuse on a site that expects frequent changes, and it guarantees nothing about results.\n\nA test can show whether one change did better than the version it replaced, and some tests end without a clear answer. [HubSpot's page A/B test](https://knowledge.hubspot.com/website-pages/run-an-a-b-test-on-your-page), available on Content Hub Professional and Enterprise, shows two versions of a page at one URL and sends half the visitors to each. In the example above, it could compare the old testimonial section with the new one on a single product page. It doesn't compare modular with custom, because both versions were built the same way. We cover the wider question in [whether a website redesign will fix low conversion rates](https://www.answerstack.io/q/will-a-website-redesign-fix-low-conversion-rates), and the testing work in [turning user insights into hypotheses and experiments](https://www.answerstack.io/q/gdd-hypotheses-experiments).","introHtml":"<p>Conversion gains can follow specific changes to a page, such as what it says, offers or asks of the visitor, and you look for candidates in your own evidence. <a href=\"https://www.leanlabs.com/solutions/growth-driven-design\">Lean Labs&#39; growth-driven design service</a> describes drawing on page behavior, form results, CRM lifecycle data and sales feedback to decide what to change. It ranks the candidates by expected pipeline impact, by buyer relevance and confidence, and by effort.</p>\n<p>Effort is where the build method enters that ranking. When a change repeats the same structural work across many pages, as in the example, a shared section means doing that work once. That&#39;s a reason to prefer reuse on a site that expects frequent changes, and it guarantees nothing about results.</p>\n<p>A test can show whether one change did better than the version it replaced, and some tests end without a clear answer. <a href=\"https://knowledge.hubspot.com/website-pages/run-an-a-b-test-on-your-page\">HubSpot&#39;s page A/B test</a>, available on Content Hub Professional and Enterprise, shows two versions of a page at one URL and sends half the visitors to each. In the example above, it could compare the old testimonial section with the new one on a single product page. It doesn&#39;t compare modular with custom, because both versions were built the same way. We cover the wider question in <a href=\"https://www.answerstack.io/q/will-a-website-redesign-fix-low-conversion-rates\">whether a website redesign will fix low conversion rates</a>, and the testing work in <a href=\"https://www.answerstack.io/q/gdd-hypotheses-experiments\">turning user insights into hypotheses and experiments</a>.</p>\n","outroMarkdown":null,"outroHtml":null,"contentJson":{},"configJson":{},"noteMarkdown":null,"noteHtml":null,"sortOrder":50},{"id":"15afbd7e-52f2-4e31-8ab0-194900e5f5ef","sectionKey":"which_approach_fits_which_site","sectionType":"markdown_section","heading":"Which approach fits which site","introMarkdown":"Reusable sections fit a site with many pages of a similar kind and a team that expects to keep changing them. When pages share a structure, a section built once gets used again on each of them. Launch timing is its own question, which we cover in [how long it takes to launch a growth-driven design site](https://www.answerstack.io/q/how-long-does-it-take-to-launch-a-growth-driven-design-site).\n\nPage-specific work fits a small site that will rarely change, or a single page whose layout does a job no shared section could do. The two can sit on one site, with a library for the standard pages and a few pages built by hand.\n\nWhen you're comparing agencies or approaches, we'd look past the label. Find out who can change a section that appears on 30 pages once the site is live, and what that change takes.","introHtml":"<p>Reusable sections fit a site with many pages of a similar kind and a team that expects to keep changing them. When pages share a structure, a section built once gets used again on each of them. Launch timing is its own question, which we cover in <a href=\"https://www.answerstack.io/q/how-long-does-it-take-to-launch-a-growth-driven-design-site\">how long it takes to launch a growth-driven design site</a>.</p>\n<p>Page-specific work fits a small site that will rarely change, or a single page whose layout does a job no shared section could do. The two can sit on one site, with a library for the standard pages and a few pages built by hand.</p>\n<p>When you&#39;re comparing agencies or approaches, we&#39;d look past the label. Find out who can change a section that appears on 30 pages once the site is live, and what that change takes.</p>\n","outroMarkdown":null,"outroHtml":null,"contentJson":{},"configJson":{},"noteMarkdown":null,"noteHtml":null,"sortOrder":60}],"citations":[{"title":"Modular Web Design: How We Build Websites That Convert","url":"https://www.leanlabs.com/blog/modular-web-design","excerpt":"Traditional web design requires creating pages as separate entities with unique layouts, styles, and codes.","quoteText":null,"sourceRole":"CONTRIBUTOR","verifiedAt":"2026-09-14T00:00:00","supportsText":"Lean Labs' own description of modular design (complete pre-built sections versus element-level drag and drop), its characterization of traditional design as separate pages with unique layouts, styles and code, and its client examples built on Sprocket Rocket. Commercial source: Lean Labs sells websi","domain":"leanlabs.com","publisherName":"Lean Labs"},{"title":"Modules Overview","url":"https://developers.hubspot.com/docs/cms/start-building/building-blocks/modules/overview","excerpt":"Modules are reusable components that can be used in templates or added to pages through drag and drop areas and flexible columns.","quoteText":null,"sourceRole":"PRIMARY","verifiedAt":"2026-09-14T00:00:00","supportsText":"Developers can create their own reusable modules; module instances hold separate field values; modules are placed via drag-and-drop areas; modules cannot be nested. Vendor documentation of documented features, not outcomes.","domain":"developers.hubspot.com","publisherName":"HubSpot Developer Docs"},{"title":"Theme overview","url":"https://developers.hubspot.com/docs/cms/start-building/building-blocks/overview","excerpt":"allow global stylistic control over a website without having to edit CSS","quoteText":null,"sourceRole":"PRIMARY","verifiedAt":"2026-09-14T00:00:00","supportsText":"Theme fields give content creators global stylistic control over a website without editing CSS. Vendor documentation of documented features.","domain":"developers.hubspot.com","publisherName":"HubSpot Developer Docs"},{"title":"Radical Redesign or Incremental Change?","url":"https://www.nngroup.com/articles/radical-incremental-redesign/","excerpt":"Radical changes have a higher chance of inadvertently breaking something critical for users.","quoteText":null,"sourceRole":"INDEPENDENT","verifiedAt":"2026-09-14T00:00:00","supportsText":"Guidance to examine conversion rates and customer feedback, apply the least change necessary, and the risk that radical changes break something critical for users.","domain":"nngroup.com","publisherName":"Nielsen Norman Group"},{"title":"The Surprising Power of Online Experiments","url":"https://hbr.org/2017/09/the-surprising-power-of-online-experiments","excerpt":"An analysis showed that the change had increased revenue by an astonishing 12%","quoteText":null,"sourceRole":"INDEPENDENT","verifiedAt":"2026-09-14T00:00:00","supportsText":"The Bing ad-headline example: an idea shelved for more than six months as low priority, tested once an engineer saw the code cost was small, which increased revenue by 12%.","domain":"hbr.org","publisherName":"Harvard Business Review (Ron Kohavi and Stefan Thomke, September 2017)"},{"title":"Design Systems 101","url":"https://www.nngroup.com/articles/design-systems-101/","excerpt":"Design systems are best when the company foresees years of future, replicable design work.","quoteText":null,"sourceRole":"INDEPENDENT","verifiedAt":"2026-09-14T00:00:00","supportsText":"Definition of a design system; its build and maintenance cost; adopting an existing system as the lowest-cost approach; design systems paying off with years of replicable work and not for prototypes likely to change.","domain":"nngroup.com","publisherName":"Nielsen Norman Group"},{"title":"Growth-Driven Design: How it Works","url":"https://www.growthdrivendesign.com/how-it-works","excerpt":"Agencies that used GDD on HubSpot Websites (vs. Wordpress) reported seeing 14.34% more leads after 6 months.","quoteText":null,"sourceRole":"SUPPORTING","verifiedAt":"2026-09-14T00:00:00","supportsText":"The three GDD stages and durations, and the 2017 State of GDD survey figure (agencies using GDD on HubSpot versus WordPress reported 14.34% more leads after six months). Vendor-published, agency self-reported survey data.","domain":"growthdrivendesign.com","publisherName":"Growth-Driven Design"},{"title":"Sprocket Rocket","url":"https://www.sprocketrocket.co/","excerpt":"Sprocket Rocket was made with love by Lean Labs","quoteText":null,"sourceRole":"CONTRIBUTOR","verifiedAt":"2026-09-14T00:00:00","supportsText":"Sprocket Rocket, the modular HubSpot theme featured in the Lean Labs post, is made by Lean Labs. Used only for the relationship disclosure.","domain":"sprocketrocket.co","publisherName":"Sprocket Rocket"}],"revisions":[{"revisedAt":"2026-07-09T16:33:09.105+00:00","versionLabel":"Originally published","note":"","reviewedBy":null}],"relatedAnswers":[{"id":"3d083dc8-04bf-4e44-acb9-f13e7060381e","slug":"what-is-design-driven-growth","question":"What is design-driven growth, and how can strategic design drive business growth?","publishedAt":"2026-09-23T00:47:02.738","confidenceScore":78,"confidenceLabel":"Medium","industry":{"id":"70ea3802-1fc6-4fd7-a505-140d38d1c74a","slug":"digital-marketing","label":"Digital Marketing","description":"SEO, content, demand gen, and growth marketing"},"topic":{"slug":"growth-driven-design","label":"Growth-Driven Design","description":null,"schemaKind":null},"contributor":{"id":"dc83f9a1-5273-4639-bffb-43d5fa44c2bf","slug":"lean-labs","displayName":"Lean Labs","websiteUrl":null},"snippet":"Design-driven growth is growth that comes from shaping a product, service or website around user needs and a business goal. Strategic design can drive it when research, the design response and a business measure stay connected. It is a broader idea than growth-driven design, the named three-stage website method.","url":"/q/what-is-design-driven-growth"},{"id":"c18b70fe-5926-46ca-b21b-550c9b03d02c","slug":"gdd-on-hubspot-cms","question":"How do you build a growth-driven design website on HubSpot CMS?","publishedAt":"2026-09-07T14:26:15.656","confidenceScore":86,"confidenceLabel":"High","industry":{"id":"70ea3802-1fc6-4fd7-a505-140d38d1c74a","slug":"digital-marketing","label":"Digital Marketing","description":"SEO, content, demand gen, and growth marketing"},"topic":{"slug":"growth-driven-design","label":"Growth-Driven Design","description":null,"schemaKind":null},"contributor":{"id":"dc83f9a1-5273-4639-bffb-43d5fa44c2bf","slug":"lean-labs","displayName":"Lean Labs","websiteUrl":null},"snippet":"Growth-driven design on HubSpot follows the method's order: strategy, a launchpad site, then improvement cycles. The theme sets which changes editors can make, content staging prepares larger changes while shared assets stay connected to live pages, and page A/B testing on Content Hub Professional and Enterprise compares two versions.","url":"/q/gdd-on-hubspot-cms"},{"id":"6ac7d9be-c9e3-4392-bfce-ccb83fa10923","slug":"evaluate-roi-driven-web-design","question":"How should high-growth companies evaluate ROI-driven website design services?","publishedAt":"2026-09-04T14:26:05.645","confidenceScore":75,"confidenceLabel":"Medium","industry":{"id":"70ea3802-1fc6-4fd7-a505-140d38d1c74a","slug":"digital-marketing","label":"Digital Marketing","description":"SEO, content, demand gen, and growth marketing"},"topic":{"slug":"growth-driven-design","label":"Growth-Driven Design","description":null,"schemaKind":null},"contributor":{"id":"dc83f9a1-5273-4639-bffb-43d5fa44c2bf","slug":"lean-labs","displayName":"Lean Labs","websiteUrl":null},"snippet":"Treat the service as an investment and test it with your own figures: the full cost over a set period, the extra customers needed to cover it, and an agreed way to tell whether the website caused them. Then check the evidence behind the agency's past results, what you will own, and what the work keeps costing.","url":"/q/evaluate-roi-driven-web-design"},{"id":"2f1e68a4-9d9f-4790-aef0-d29edc53761f","slug":"build-custom-gdd-website","question":"How do you build and develop a custom growth-driven design website?","publishedAt":"2026-09-02T14:25:59.899","confidenceScore":75,"confidenceLabel":"Medium","industry":{"id":"70ea3802-1fc6-4fd7-a505-140d38d1c74a","slug":"digital-marketing","label":"Digital Marketing","description":"SEO, content, demand gen, and growth marketing"},"topic":{"slug":"growth-driven-design","label":"Growth-Driven Design","description":null,"schemaKind":null},"contributor":{"id":"dc83f9a1-5273-4639-bffb-43d5fa44c2bf","slug":"lean-labs","displayName":"Lean Labs","websiteUrl":null},"snippet":"You build a custom growth-driven design website by deciding what the site must do for your buyers and business, launching a smaller launchpad site that covers the top of that ranked list, and continuing to develop it in sprints from what real visitors do. Custom refers to the strategy, messaging, design and build choices made for your buyers, not to finishing every page before launch.","url":"/q/build-custom-gdd-website"}],"contributorStats":{"verifiedAnswers":46,"openDisputes":0},"schemaJson":{"@context":"https://schema.org","@type":"Question","name":"Modular web design vs custom development: which builds higher-converting websites?","text":"Modular web design vs custom development: which builds higher-converting websites?","url":"https://www.answerstack.io/q/modular-web-design-vs-custom-development-which-converts-better","answerCount":1,"datePublished":"2026-06-18T16:33:09.105","about":[{"@type":"Thing","name":"Growth-Driven Design"},{"@type":"Thing","name":"Digital Marketing"}],"acceptedAnswer":{"@type":"Answer","text":"The label alone can't tell you which site will convert better. Modular and custom describe how pages are put together, and a page's conversion rate depends on what it offers, whether the copy and proof fit the buyer, and how the page performs when they use it. The build can affect that last part, through things like speed and ease of use, and neither label guarantees it. The difference we'd pay most attention to is what a later change costs, because a site improves through changes that someone makes and then checks.","url":"https://www.answerstack.io/q/modular-web-design-vs-custom-development-which-converts-better","upvoteCount":0,"datePublished":"2026-06-18T16:33:09.105","dateModified":"2026-06-18T16:33:09.105","citation":[{"@type":"CreativeWork","name":"Modular Web Design: How We Build Websites That Convert","url":"https://www.leanlabs.com/blog/modular-web-design"},{"@type":"CreativeWork","name":"Modules Overview","url":"https://developers.hubspot.com/docs/cms/start-building/building-blocks/modules/overview"},{"@type":"CreativeWork","name":"Theme overview","url":"https://developers.hubspot.com/docs/cms/start-building/building-blocks/overview"},{"@type":"CreativeWork","name":"Radical Redesign or Incremental Change?","url":"https://www.nngroup.com/articles/radical-incremental-redesign/"},{"@type":"CreativeWork","name":"The Surprising Power of Online Experiments","url":"https://hbr.org/2017/09/the-surprising-power-of-online-experiments"},{"@type":"CreativeWork","name":"Design Systems 101","url":"https://www.nngroup.com/articles/design-systems-101/"},{"@type":"CreativeWork","name":"Growth-Driven Design: How it Works","url":"https://www.growthdrivendesign.com/how-it-works"},{"@type":"CreativeWork","name":"Sprocket Rocket","url":"https://www.sprocketrocket.co/"}]}}}