How do I improve page speed in Webflow?

We split Webflow speed optimization into five jobs. First comes a measurement of what the site does now and what is responsible. Then we get the images down to the size the page needs, take the scripts and tags off the critical path, and rebuild the sections that are heavy by design. Last, we set a limit so the next pages don't undo the work. Deferring a tag can cost analytics events, so we name which ones before we touch them.

Why is my mobile score so much worse than desktop?

Mobile is measured on a slower connection and a weaker processor, so the same page does the same work with less of everything. Google also ranks your site on its mobile version. Images and JavaScript a desktop absorbs quietly show up plainly on a phone. Webflow has lazy-loaded new images by default since August 2020, which helps everything below the fold and hurts the one at the top. We set that one to load first and leave the rest lazy.

Will speed work break my animations or interactions?

Sometimes there is a trade-off, and we name it. A Lottie file on the hero, a scroll effect on every section, a video above the fold: those cost something, and on a mid-range phone an animation that stutters is a worse user experience than none. Often the same effect can be built lighter and look identical. Where it can't, you get the cost and the options.

My Lighthouse score is green but Search Console says the page fails. Which one is right?

Both, because they measure different things. The Lighthouse score, the same one PageSpeed Insights shows, comes from one simulated load in a lab, at one moment. Search Console reports what real visitors experienced over the past 28 days, on their own devices. A lab run can pass while real users still fail. Our guide to a failed Core Web Vitals assessment explains that report. Sites with too little traffic get no field report at all, and we say so on day three.

Can a Webflow site score 90 or above on PageSpeed Insights?

It depends on the site. What the pages carry, how much third-party tooling your marketing team runs and how the build was put together all set the ceiling, so we measure first and then say what is reachable on yours. On real projects, CIM's mobile score went from 35 to 80 after the code cleanup, and Datastory's new site scored 95 on Google PageSpeed after launch. Hosting and server response are Webflow's, and a tag your marketing team will not drop limits how high the score can go.

What does Webflow page speed optimization cost, and how long does it take?

Three models. One-time work starts at $60/hour, which fits the full audit and the fixes that come out of it. Hourly packages start at $900/month for a steady stream of work. Monthly retainers start at $3,000/month for a site under continuous development. The five-day map above is the usual shape, and the quote says which steps your site needs.

What do we actually get at the end?

You get the baseline, the after measurement broken down by cause, the optimized site itself, a one-page speed budget naming the limits your pages have to stay inside, and the handover note. Continuous monitoring is a separate Webflow maintenance retainer.

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Webflow Development

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Page Speed Optimization

Webflow Page Speed Optimization With a Budget That Holds

A Search Console warning, an SEO audit that opened with a red score, or a question from leadership about why the site feels slow on a phone. We measure what your site does today, fix what is costing you, and measure it again, with a budget that keeps the number from sliding back next quarter.

Book a consultation

See our work

Trusted by 50+ B2B marketing teams across 25+ countries.

450+

CMS items migrated from WordPress to Webflow

see case study

+94%

Event registrations after the conference site redesign.

see case study

$50M+

Revenue tier of clients they attract.

see case study

2 weeks

PDF of ideas to live sales tool.

see case study

+20%

Organic traffic growth after migration.

see case study

EU-wide

Lead generation reach after B2B website launch.

see case study

+300%

Organic search traffic increase after redesign.

see case study

50%

Increase in qualified leads post-launch.

see case study

2x

Organic traffic increase after redesign.

see case study

4 weeks

Full website developed and launched twice over.

see case study

2x

ICP conversion increased.

see case study

5 weeks

Full website with SEO strategy delivered.

see case study

2-3 month

Full redesign, migration, and SEO delivered.

see case study

35%

Lead-to-client conversion rate from website.

see case study

50+

Enterprise clients signed from the website

see case study

75+

Blog articles migrated without a single loss.

see case study

1+year

Ongoing retainer after initial launch.

see case study

100%

URL coverage across both merged domains.

see case study

450+

CMS items migrated from WordPress to Webflow

see case study

+94%

Event registrations after the conference site redesign.

see case study

$50M+

Revenue tier of clients they attract.

see case study

2 weeks

PDF of ideas to live sales tool.

see case study

+20%

Organic traffic growth after migration.

see case study

EU-wide

Lead generation reach after B2B website launch.

see case study

+300%

Organic search traffic increase after redesign.

see case study

50%

Increase in qualified leads post-launch.

see case study

2x

Organic traffic increase after redesign.

see case study

4 weeks

Full website developed and launched twice over.

see case study

2x

ICP conversion increased.

see case study

5 weeks

Full website with SEO strategy delivered.

see case study

2-3 month

Full redesign, migration, and SEO delivered.

see case study

35%

Lead-to-client conversion rate from website.

see case study

50+

Enterprise clients signed from the website

see case study

75+

Blog articles migrated without a single loss.

see case study

1+year

Ongoing retainer after initial launch.

see case study

100%

URL coverage across both merged domains.

see case study

Page Speed

WHO WE ARE

Foursets does Webflow page speed optimization as measured work. We take a baseline before touching anything and run the same measurement after the fixes. CIM's mobile PageSpeed went from 35 to 80 after we cleaned out the code previous developers had left behind.

Your site was fast at launch. Then a year of new sections, bigger images, a tag manager, a chat widget and two more pixels happened, and nobody re-measured until a report came back red.

Design, development and SEO in-house, building Webflow websites since 2021. The same senior team stays on your site long after the report is filed.

PROBLEMS > SOLUTION

Common Problems, Uncommon Webflow Site Speed Optimization Solutions

Five states we walk into once Webflow site performance has slipped, and what we do about each one.

Challenge

The score is red and nobody can say which part of the page is responsible, so the ticket sits open for a month.

The last speed check was at launch. A year of new sections, images and scripts has gone up since.

Every tool your marketing team added was small on its own. The tag manager, the chat widget, the heatmap and the pixels are now most of the page weight.

The Lighthouse run comes back fine, Search Console still reports the URLs as failing, and the two numbers have never been reconciled.

Someone fixed it once. Within a quarter the score slid back, because the site had no limit to stay inside and the check was nobody's job.

Our Solution

We measure first. The audit names which elements cost what, on which pages, so the work starts from a list.

We take a baseline on the pages that earn money and judge every change against it. You see what the site does today.

We audit what loads and when. We defer the tags that have no reason to run before first paint and remove the ones your team no longer uses.

Lighthouse runs one simulated load in a lab. Search Console reports 28 days of what real visitors got. We work on both and say which one moved.

We set a budget the site has to stay inside and write down what breaks it. Your team, or a retainer with us, can check the next page against that budget before it ships.

WEBFLOW EXPERT & PARTNER

Webflow experts, Premium Partners, and template authors, all in one shop

Foursets holds three Webflow credentials: certified Webflow experts since 2019, official Webflow template authors, and a Webflow partner at the Premium tier, the highest level in Webflow's partner program outside of Enterprise. On a mission to become a Webflow Enterprise Partner.

Vetted Webflow expertise

Webflow reviewed our work and certified that it meets their standards.

Priority support

A Webflow edge case goes straight to their partner team.

Platform depth

CMS architecture, the site and page code fields, Editor workflows and Webflow Enterprise. We know where Webflow's built-in features stop and custom work starts.

Our Services

What Webflow Speed Optimization Involves

Few sites need all of these. The audit shows which ones your site needs.

(1/11)

Performance Audit and Diagnosis

You get the baseline: what the site scores in the lab today, on which pages, and which elements cause it. The same measurement runs again at the end.

(2/11)

Images and Media

Compression plus modern formats like WebP and AVIF, real dimensions, responsive delivery, and the top image set to load first.

(3/11)

Third-Party Scripts and Tags

We inventory what loads and when, then defer or delay everything that has no reason to run before the page paints.

(4/11)

Animations and Interactions

We rebuild Webflow interactions, Lottie files and scroll effects in CSS where the effect allows it, and name the trade-off where it doesn't.

(5/11)

Fonts and Typography Load

Fewer families, fewer weights, fewer requests. Text shows up while the font file is still loading.

(6/11)

CSS and DOM Cleanup

Unused classes, combo bloat, leftover custom code and over-deep structures from previous builds. By default, Webflow ships one stylesheet site-wide, so this pays on every page.

(7/11)

CMS and Collection Lists

Long lists, filters and per-item media are often the heaviest thing on the templates we audit. We rebuild the ones that cost the most.

(8/11)

Mobile Performance

The version Google ranks on. Mobile gets its own measurement and its own fixes.

(9/11)

Core Web Vitals Work

LCP, INP and CLS, fixed against real-user data where your site has it, as well as the lab run.

(10/11)

Video and Embeds

Posters, hosting choices and lazy loading, so one heavy embed stops holding up the rest of the page load.

(11/11)

Monitoring and a Speed Budget

The limits your pages must stay inside, handed over in writing on the last day. Having them watched afterward is a Webflow maintenance retainer.

Case Studies

Don't take our word for it, look at the results.

Six Webflow projects, with the numbers each client got after we shipped.

2 years. 3 CMOs. One Webflow partner.

CIM is an Australian B2B SaaS company building AI-powered software for high-performance commercial real estate. They came to us with an unmaintainable Webflow build after their in-house specialist left. Two years later, we've shipped through three CMO transitions, doubled their mobile PageSpeed, and built a CMS component library that lets every new marketing leader move fast on day one. Same team. Same site. Same partner.

Watch case study

The Webflow Site Their In-House Team Didn’t Have Time to Build.

Datastory had a team with the skills to build their new website. They didn’t have the bandwidth. The sales funnel was missing its professional point of entry, and waiting for internal capacity wasn’t an option. We stepped in as the team they didn’t have time to be. Five weeks later the new site was live, scoring 95 on PageSpeed and pulling in 20% more organic traffic.

Watch case study

Webflow site with a 95 PageSpeed score, designed and shipped in 3 weeks.

Contour is a data integration and performance management platform for multi-location operators in healthcare, restaurants, retail, and services. They needed a Webflow site that matched the polish of their product without the timeline of a custom build. We delivered a 10-page site, performance-optimized end to end, in three weeks from kickoff to launch.

Watch case study

From PDF to a live, interactive ROI calculator in under 2 weeks.

Nectar Edge builds infrastructure that runs complex AI models with sub-20ms latency, 30x cheaper than cloud. Two weeks before the Edge Agent Challenge event (NVIDIA and Intel in attendance), their primary sales asset was still a PDF. They needed a website that would convince skeptical AI developers and VCs. We shipped one, with a custom JavaScript ROI calculator as the centerpiece, on time for the event.

Watch case study

Premium enterprise website on a startup budget, shipped on time.

Atticus rebranded from a solopreneur-focused ghostwriting service into a B2B agency targeting Fortune 500 C-suite executives. Their old “homemade” website screamed scrappy startup and was actively undermining the pivot. They needed an enterprise-grade digital storefront, on a budget that wouldn’t survive a custom build, on a timeline that wouldn’t move.

Watch case study

A UI-kit marketplace migrated off Tilda and rebuilt for SEO and conversion.

Setproduct is a marketplace selling UI kits and templates to designers and developers. Their growth was capped by Tilda: SEO indexing issues, weak product-page conversion, and a publishing flow that took days per release. We migrated them to Webflow, fixed the SEO foundation, and rebuilt the marketplace for conversion.

Watch case study

Explore all case studies

22

Pricing

Deep expertise with simple, transparent pricing

One-time engagement

Fixed scope, fixed price

A full website redesign, migration, or SEO audit with everything defined upfront

No surprises on the invoice

Starting from

$60/hour

See one-time pricing

Hourly packages

Prepaid hours valid for a month, quarter, or year

Use them when you need them

Starting from

$900/month

Browse packages

Monthly retainers

A dedicated design and development, or SEO team embedded in your Slack

Month-to-month, no lock-in contracts

Starting from

$3,000/month

See retainers

webflow integrations

Your existing stack stays intact

Webflow doesn't replace your tools. It connects to them. We wire every new site to the platforms your team already runs, so your data flows cleanly from day one and nothing breaks at launch.

Get a free speed audit with an estimate in hours

Nick Rybak

Founder & CEO

Send the URL. You get a quick baseline of your key pages and an estimate in hours for the fixes. The full audit runs on day three of the work.

Get my free speed audit

Nick Rybak

Founder & CEO

Advantages

Why Choose Foursets as Your Webflow Performance Optimization Agency

We replaced the standard agency "trust me, bro" model with radical transparency and zero hidden risks.

Radical transparency, starting with the measurements

The baseline, the method and the after numbers land in a shared channel. Speed work is hard for a buyer to check, so you get everything that makes it checkable.

A live URL in 48 hours

Retainer clients drop a task in Slack or ClickUp. On average, it goes live within 48 hours.

We measure both ends, under the same conditions

Same pages, same method. After the fixes we say which changes moved which metric in the lab run.

We fix against field data wherever it exists

We work from field data wherever your site has it. The report says which fixes should show up in Search Console over the next four weeks.

Designers and developers in one team

A section that is heavy by design gets rebuilt by the designer and developer together, so the fix starts in the layout, and any change to the look is yours to approve.

The team that measures your site keeps working on it

Each account sits with one pod of 5 to 8 people. The pod that takes your baseline is the pod you call when the next page ships.

PROCESS

From a red score to a number you can check

The quote says which steps your site needs before any work starts. A straightforward Webflow page speed engagement runs about five days, and heavy third-party tooling takes longer.

DAY 1

Discovery call, scope and contract

You speak to Nick Rybak, our founder, directly. He asks what the report said and what changed since the site was fast. The same day you get the hours, the approach and a contract.

DAY 2

Kickoff and access

A shared Slack channel and a ClickUp board go up. A read-only preview link is enough for the audit. The fixes on day four need Designer access.

DAY 3

Baseline measurement and audit

Before anything is touched, we measure how fast the site loads on the pages that matter, in the lab and against real-user data where your site has it. Then we name what is responsible: which images, which scripts, which interactions. Everything after this is judged against this day.

DAY 4

Fixes on staging, then re-measurement

The fixes cover only the pages the audit named. The work runs on staging, behind a publish freeze we agree for the window, so nothing reaches visitors before you sign it off. Then we re-run the day-three lab measurement against the same baseline, on the same pages and settings.

DAY 5

Publish, report and handover

The changes go live. The same day, the before-and-after report, the speed budget and the handover note land in the shared channel.

Ongoing. Monitoring

Field data trails a fix by about four weeks, so the numbers keep moving after launch. If you want that watched, a retainer with us covers it.

INDUSTRIES

B2B companies we know inside out

We've built and grown websites for B2B teams at every stage and across every vertical. Real projects, real clients, not capability claims.

By company size:

Startups

First websites and full rebuilds for founders who need to look credible before the revenue proves it.

Scaleups

Companies past product-market fit that need the website to keep pace with an accelerating GTM.

Enterprise

Large organizations with security requirements, approval workflows and multiple stakeholders. SSO, audit logs and IT sign-off, without slowing marketing down.

By industry:

SaaS

Growth websites for SaaS teams that move fast and need a CMS they can create and manage themselves.

Cybersecurity

Compliance platforms and pentest vendors who need credibility fast, on sites that get read by technical buyers.

Agencies

Marketing, creative and consulting firms who need a website as sharp as the work they sell.

Fintech

Regulated companies where design trust signals and technical foundations win deals before the demo.

E-Commerce

Custom Webflow and Shopify builds for B2B and DTC brands that outgrew a template.

Healthcare

HIPAA-aware builds for health tech companies selling into enterprise procurement.

Education

EdTech products and institutions that need flexible collections, event systems and fast publishing.

Tech Companies

Technical teams whose site has to match the sophistication of the product behind it.

Venture Capital

Portfolio and fund websites that project authority to LPs, founders and the press.

Construction

Companies selling software, platforms and services into the construction industry.

Conferences

Event sites with speaker listings, agenda systems and third-party registration tools, built to launch before the deadline.

AWARDS

We don't have a trophy shelf (remote company). But if we did, it'd look like this.

Clutch Top Web Agency
in Poland

HubSpot Solutions
Provider

Semrush Certified
Expert

CSS Design Awards Honorable Mention x2

Webflow Premium
Partner

Awwwards Honorable Mention x2

Testimonials

The nice things partners say about us

Burned CMOs and founders usually come to us highly skeptical and traumatized by past agencies or freelancers. Here's what happens after they experience actual predictability.

50+

Enterprise clients signed from the website

"They have truly transformed our marketing landscape."

Drew Danner

Managing Director, BD EMERSON

Explore case study

+300%

Organic search traffic increase after redesign.

“Working with Foursets was a transformative experience for Setproduct."

Roman Kamushken

Founder, Setproduct

Explore case study

2x

ICP conversion increased.

"We are very happy with their service."

Kateryna Dmytriyeva

Growth Manager, CIM

Explore case study

35%

Lead-to-client conversion rate from website.

"They had a strong knowledge of all aspects and provided a great thought partner to execute the goals."

Jeff Reed

Founder & CEO, Momentum Studios

Explore case study

50%

Increase in qualified leads post-launch.

“Their white-glove service is impressive.”

Orit Benzaquen

CEO, Penti

Explore case study

4.9 stars, 30 reviews

Webflow Premium
Partner & Expert

Webflow pages that stay fast after the next campaign

A campaign is about to land on the page. Book a call with Nick, tell him what the page will carry, and leave with a plan to keep it fast.

Plan my speed fix

The Stats

Proof over promises

Company-wide numbers since 2021.

100+

B2B Webflow websites designed, built and launched since 2021.

96.8%

On-time delivery rate since 2021, across 100+ projects.

48 hours

From a task dropped in Slack or ClickUp to a live URL, on average, for retainer clients.

Zero

Outsourced freelancers. Every person on your site is a full-time Foursets employee.

25+

Countries our clients work from, including the US, Australia, the UK and Germany.

100+

Technical SEO audits and implementations performed.

OTHER SERVICES

Other Services

Webflow Development

Webflow Agency

Webflow Migration

Webflow Maintenance

Webflow Enterprise

SEO Services

Web Design

Why is my Webflow site slow?

On the sites we audit, four causes account for most of it, in the order we find them: images uploaded at full size and never resized, third-party scripts and tags running before the page paints, heavy animations and Lottie files, and leftover CSS and JavaScript from older builds. Those four usually decide the score, which is why one setting rarely moves the number.