PageSpeed Matters
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    HubSpot CMS Speed Optimization Agency for B2B and Marketing Teams

    Expert HubSpot Speed Optimization Services

    HubL template, module, HubDB, and script optimization, engineered to speed up your HubSpot site and lift conversions.

    HubSpot manages your hosting and CDN, but heavy HubL templates, oversized modules, unoptimized HubDB queries, and marketing scripts can still slow you down. Our HubSpot speed optimization service profiles every template and module, removes the dead weight, and tunes HubDB and script delivery so your HubSpot site loads fast.

    Speed Up My HubSpot Site Pass Core Web Vitals
    Free HubSpot Speed AuditStep 1 of 2

    How can we help?

    (select all that apply)

    Trusted by leading brands

    PlatterfulPure ParimaHer Fantasy BoxSana BenefitsYakka FinanceTherapevoNSARWhistleblower PartnersPlatterfulPure ParimaHer Fantasy BoxSana BenefitsYakka FinanceTherapevoNSARWhistleblower Partners

    Our Expertise

    Work With a HubSpot Speed Optimization Expert

    Most generic speed fixes don't understand HubL or HubSpot's CMS internals. We do. Every engagement is run by a HubSpot speed optimization expert who profiles your site at the code level: every HubL template, custom module, HubDB query, serverless function, and marketing script. Then we cut what is not earning its place and tune the rest.

    B2B and marketing teams come to us as their HubSpot speed optimization partner because we show our work. You get a ranked module impact report, before and after Core Web Vitals data, and documentation of every change, not a black box.

    1,500+

    Optimization projects

    100%

    Core Web Vitals pass rate

    90+

    PageSpeed scores

    Matt Suffoletto, Founder & CEO of PageSpeed Matters and HubSpot speed optimization expert

    Matt Suffoletto

    Founder & CEO

    HubSpot Speed Optimization Expert

    Who This Is For

    Is This Right for You?

    B2B SaaS & Technology

    B2B SaaS companies running their marketing site on HubSpot CMS need fast landing pages, optimized blog performance, and snappy resource centers to drive demo bookings and reduce bounce rates on high-value paid traffic.

    SaaS companiesTech startupsDevToolsCybersecurity

    Professional Services

    Professional services firms using HubSpot CMS for lead generation need fast-loading service pages, case study sections, and contact forms that convert visitors before they bounce to a competitor.

    Consulting firmsLaw firmsAgenciesFinancial services

    E-Commerce & DTC

    E-commerce brands using HubSpot CMS for their marketing site (alongside Shopify/other platforms for checkout) need fast product showcases, landing pages, and blog content that drives organic traffic and conversions.

    Product pagesLanding pagesCatalog sitesHubSpot + Shopify

    Enterprise Marketing

    Enterprise teams on HubSpot CMS Enterprise with multi-language sites, complex content structures, and heavy CRM integration need optimized HubDB queries, efficient template architecture, and performance at scale.

    Enterprise CMS HubMulti-language sitesGlobal brandsContent-heavy sites

    Common Problems

    What's Slowing You Down?

    Module & Template Bloat

    HubSpot marketplace modules and custom themes accumulate unused CSS/JS, redundant HubL logic, and heavy dependencies. Many sites load 15+ modules per page, each injecting scripts and styles, creating 1–3 seconds of front-end overhead.

    Guide: HubSpot Module Optimization

    Third-Party Script Overload

    HubSpot's tracking code, plus marketing pixels, chat widgets, analytics tools, and CRM integrations compound into 1–3MB of JavaScript. These scripts block the main thread and destroy INP and LCP scores.

    Guide: HubSpot Script Management

    Unoptimized Images & Media

    HubSpot auto-resizes images but doesn't enforce modern formats or proper sizing by default. Hero images, blog thumbnails, and background images often load at 2–5x their display size, adding 500KB–2MB of unnecessary weight.

    Guide: HubSpot Image Optimization

    HubDB & Dynamic Content Overhead

    HubDB-powered pages with complex filtering, large datasets, and dynamic content rendering create slow server-side processing. Unoptimized HubL loops and HubDB queries can add 1–2 seconds to TTFB.

    Guide: HubDB Performance

    Our Solutions

    How We Speed Up Your HubSpot Site

    We work on a copy of your HubSpot theme, so your live site is never at risk. We audit templates and modules, optimize HubDB and image delivery, defer marketing scripts, and fix Core Web Vitals on your key pages. Here is what that covers:

    01

    Template & Module Profiling

    We audit every HubL template, custom module, and marketplace module for rendering efficiency, CSS/JS weight, and DOM complexity. Unused modules get removed, heavy modules get rebuilt lightweight, and module loading gets optimized with lazy rendering.

    02

    Script Management & Deferral

    We implement a comprehensive script loading strategy, deferring non-critical tracking scripts, lazy-loading chat widgets, consolidating analytics tags, and optimizing HubSpot's own tracking code placement for minimal main-thread impact.

    03

    Image & Media Optimization

    We configure proper image sizing with HubL image filters, implement WebP/AVIF delivery, add responsive srcset attributes, lazy-load below-fold images, and optimize hero/background images for fast LCP.

    04

    HubDB & Dynamic Content Tuning

    We optimize HubDB queries with proper filtering, implement pagination for large datasets, cache dynamic content where possible, and restructure HubL loops for efficient rendering.

    05

    CSS & JavaScript Architecture

    We implement Critical CSS per template, consolidate and minify stylesheets, tree-shake unused CSS from theme frameworks, defer non-critical JS, and optimize the render pipeline for fast First Contentful Paint.

    06

    Core Web Vitals Engineering

    We target LCP, INP, and CLS individually, fixing layout shifts from lazy-loaded modules, optimizing JavaScript execution for interactivity, and monitoring real-user CrUX data until all three metrics pass Google's 28-day rolling window.

    The Data

    What Happens When You Improve HubSpot Site Speed

    On a HubSpot site, speed is lead conversion and SEO. When you improve HubSpot site speed, faster pages keep prospects engaged, lift organic traffic from passing Core Web Vitals, and lower your cost per click through a better Quality Score.

    53%

    of mobile visitors leave if a page takes longer than 3 seconds to load

    Source: Google

    ~7%

    conversion loss from a 1-second delay

    Source: Portent

    70%

    more organic traffic for sites passing Core Web Vitals

    Source: Google

    ~1%

    more conversions per 100ms faster load time

    Source: Deloitte/Google

    Proof

    Our Results

    Real sites, real speed improvements, real revenue impact.

    Therapevo
    Recent Case Study

    Therapevo

    Passed Core Web Vitals and improved PageSpeed score from 32 to 96.

    View Case Study
    Platterful
    Recent Case Study

    Platterful

    80% speed improvement, 20% conversion lift. Mobile score from 50s to 90+.

    View Case Study
    Pure Parima
    Recent Case Study

    Pure Parima

    38% LCP improvement, 100% CLS fix. Passed all Core Web Vitals.

    View Case Study
    See All Case Studies

    ROI Calculator

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    Enter your URL — in 30 seconds, you'll see exactly how much revenue slow speed is costing you.

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    Our Process

    How It Works

    01

    Full Site Audit

    We run a comprehensive performance audit, HubL template profiling, PageSpeed analysis, Core Web Vitals assessment, module impact ranking, script inventory, and real-device testing. You receive a ranked list of issues sorted by speed impact.

    02

    Module & Script Impact Ranking

    Every custom module, marketplace module, and third-party script is profiled individually for rendering time, JavaScript weight, and CSS impact. You see exactly what each element costs in milliseconds.

    03

    Optimization Sprint

    1 to 2 Weeks

    Over 2–3 weeks, we implement all fixes: module optimization, script deferral, image optimization, HubDB query tuning, Critical CSS implementation, and template architecture improvements.

    04

    Core Web Vitals Monitoring

    2 to 4 Weeks

    We monitor real-user field data (CrUX) over 2–4 weeks, making iterative adjustments until LCP, INP, and CLS consistently pass in Google's 28-day rolling window, not just lab scores.

    05

    Documentation & Handoff

    You receive complete documentation of every change made, a HubSpot speed maintenance guide for your marketing team, and a before/after performance report with revenue impact projections.

    Deliverables

    What You'll Receive

    Every engagement includes comprehensive documentation and reporting.

    Before/After Speed Report

    PageSpeed and Core Web Vitals scores before and after optimization, with waterfall comparisons.

    Module Impact Report

    Every custom and marketplace module ranked by rendering time, JS/CSS weight, and DOM complexity.

    Module Optimization Playbook

    For every slow module identified, specific optimization strategies or lightweight replacement recommendations.

    Script Inventory & Strategy

    Complete inventory of all third-party scripts with loading strategy recommendations and priority rankings.

    Competitor Speed Benchmark

    How your site stacks up against 3–5 direct competitors on LCP, TTFB, and Speed Index.

    Core Web Vitals Forecast

    Projecting exactly which metrics (LCP, CLS, INP) will move into the 'Green' zone, with expected timelines.

    Image Optimization Report

    Analysis of all images with sizing, format, and delivery optimization recommendations.

    Revenue Impact Projection

    Custom report mapping your speed improvements to projected revenue gains using your actual traffic and conversion data.

    Google Ads / CPC Savings Report

    Analysis of how improved page speed lowers your Quality Score penalty and reduces cost-per-click for paid campaigns.

    30-Day Post-Launch Monitoring

    30 days of monitoring after optimization to ensure gains hold after HubSpot theme updates or content changes.

    SEO Impact Forecast

    Projected ranking improvements based on Core Web Vitals fixes, with estimated organic traffic gains from your Search Console data.

    HubL Performance Guide

    Best practices for writing performant HubL templates and modules for your marketing team.

    Executive Summary (1-Pager)

    A non-technical summary for stakeholders showing what was done, what improved, and what it means in dollars.

    Speed Maintenance Guide

    A living document with do's and don'ts for maintaining speed as you add modules, pages, and content.

    Third-Party Script Analysis

    Detailed analysis of every tracking script, chat widget, and integration with performance impact scores.

    Pricing

    Transparent Speed Optimization Pricing

    Get an instant estimate based on your site profile. No hidden fees, no lock-in contracts — just measurable speed improvements and revenue gains.

    Step 1 of 8

    Takes ~2 minutes

    What's your main goal?

    Pick the outcome that matters most to you.

    What We Optimize

    Optimize HubSpot Site Speed at Every Layer

    On HubSpot the hosting and CDN are managed, so the biggest wins come from HubL templates, modules, HubDB, and how scripts and images are delivered. We optimize HubSpot site speed across every layer.

    HubL Template Profiling

    Profile every HubL template for rendering efficiency, loop complexity, macro usage, and conditional logic overhead. Eliminate bottlenecks in server-side rendering.

    HubLTemplate RenderingMacros

    Module Architecture

    Audit every custom and marketplace module for JS/CSS weight, DOM output, and rendering performance. Rebuild heavy modules lightweight.

    Custom ModulesMarketplaceDOM

    Script Management

    Implement comprehensive third-party script loading strategies, defer, lazy-load, and consolidate all non-critical JavaScript for minimal main-thread impact.

    Script DeferralLazy LoadingTag Management

    HubDB & Serverless

    Optimize HubDB queries, implement pagination, cache dynamic content, and tune serverless function performance for fast TTFB.

    HubDBServerlessAPI Performance

    CSS & JS Architecture

    Implement Critical CSS per template, consolidate stylesheets, tree-shake unused CSS from theme frameworks, and optimize the render pipeline.

    Critical CSSTree-ShakingRender Pipeline

    Image & CDN Optimization

    Configure proper image sizing with HubL filters, implement WebP/AVIF delivery, responsive srcset, lazy loading, and optimize HubSpot's CDN caching.

    WebP/AVIFSrcsetCDN Caching

    Deep Dives

    HubSpot Speed Guides

    Want to do it yourself? Read our guide on how to speed up your HubSpot site, or dig into the wider library below.

    The Ultimate Guide to HubSpot Speed Optimization

    The Complete Guide to Core Web Vitals

    WordPress vs Webflow vs Squarespace: Speed Comparison

    Best CDN Speed Comparison: Cloudflare vs Bunny vs Fastly vs CloudFront

    FAQ

    Frequently Asked Questions

    Audit your modules and templates for unused CSS and JavaScript, compress images, defer non-critical tracking scripts, and lean on HubSpot's CDN. For a deeper walkthrough see our [HubSpot speed guide](/resources/guides/ultimate-hubspot-speed-guide), or use our HubSpot speed optimization service to have it implemented for you.

    Absolutely. HubSpot CMS runs on a global CDN with built-in SSL and HTTP/2. The platform itself is fast, the problems come from bloated themes, too many marketplace modules, unoptimized images, and excessive third-party scripts. When these are addressed, HubSpot sites can achieve 90+ PageSpeed scores and pass all Core Web Vitals.

    In our experience, it's third-party scripts and module bloat. Most HubSpot sites load 15–25 marketplace modules per page plus HubSpot tracking, chat, forms, analytics pixels, and marketing integrations. This creates 1–3MB of JavaScript that blocks the main thread. Cleaning up scripts and optimizing modules alone typically improves load times by 40–60%.

    No. We optimize how scripts load, not what they do. HubSpot tracking, form submissions, CRM sync, and analytics all continue working exactly the same, they just load more efficiently without blocking page rendering.

    Yes. We're experts at optimizing within HubSpot CMS constraints. While HubSpot doesn't allow server configuration changes like WordPress, there's enormous optimization potential in HubL templates, module architecture, script loading strategies, image delivery, and CSS/JS management. We work entirely within the platform's capabilities.

    Yes. Landing pages are often the highest-value pages for conversion. We optimize hero images, form loading, script deferral, and CLS fixes specifically for landing pages to maximize conversion rates on paid traffic.

    Most HubSpot sites see significant improvements within 2–3 weeks. Sites with complex HubDB integrations, dozens of custom modules, or extensive marketplace module usage may take 3–4 weeks. You'll see measurable progress within the first few days.

    Yes. Our optimizations focus on proper architecture and configuration, module efficiency, script loading strategies, image optimization, and CSS architecture. These survive theme updates. We also provide 30 days of post-optimization monitoring to catch any regressions.

    Yes. We optimize all HubSpot CMS tiers. Each tier has different optimization opportunities, Free/Starter sites benefit most from script and image optimization, while Professional/Enterprise sites benefit from HubDB tuning, custom module optimization, and serverless function performance improvements.

    Testimonials

    What HubSpot Clients Say

    "Platterful saw major improvements in site speed after working with Matt and the PageSpeed Matters team. They took our mobile score from the 50s to over 90 while keeping SEO intact. They were responsive, helpful, and continued to support us even after the project ended. Highly recommend."

    Mobile score: 50s to 90+ • Conversions: +20%

    L

    Lowell

    Co-Founder, Platterful

    "Matt and the PageSpeed Matters team successfully helped us improve our page speed load times and get our core web vitals into the green."

    Passed Core Web Vitals

    CS

    Caleb Simonyi Gindele

    Owner, Therapevo

    "Couldn't be any happier with the work done by Matt and the PageSpeed Matters team, they were communicative, open, honest."

    Mobile LCP 25.9s to 2.9s

    GS

    Grace Smallman

    Yakka Finance

    Ready to Get Started?

    Request an audit and see exactly how we can improve your HubSpot site's performance.

    Request An Audit
    Speed performance gauge showing optimized score

    Sources

    Google Mobile Speed Benchmarks ↗Google Search Central ↗Portent Site Speed Study ↗