All services03 / 19

Webflow speed optimization, without a rebuild

Images, scripts, fonts and settings tuned inside Webflow, measured before and after. Faster pages rank better, lose fewer visitors and use less bandwidth.

A SPEED SCORE B PAGE LOAD PERFORMANCE MOBILE 0 10 20 30 40 50 60 70 80 90 100 +30 90 OUT OF 100 BEFORE 60 AFTER 90 GET / MOBILE, SLOW 4G 0 S 1 S 2 S 3 S 4 S 5 S BEFORE LOAD 4.2 S HTML CSS CSS JS JS JS JS FONT FONT IMG IMG IMG IMG JS LCP AFTER LOAD 2.0 S HTML CSS FONT IMG JS IMG IMG JS IMG LCP −2.2 S WAITING DOWNLOAD LOAD LCP CORE WEB VITALS PASSED METRIC BEFORE AFTER LCP 3.9 S 1.6 S CLS 0.18 0.02 TBT 620 MS 90 MS REQUESTS 48 21 PAGE WEIGHT 3.1 MB TO 0.9 MB BEFORE AFTER IMAGES SCRIPTS FONTS CSS
Fig. 2.2A page load before and after optimization

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What you get

A site that loads faster on phones, with the design untouched.

The median Webflow site scores about 62 out of 100 on mobile (HTTP Archive, August 2026). Most of the gap comes from the same few causes, and I fix them in order of effect.

  • A speed audit

    Each template measured on mobile, with the causes ranked by the time they cost.

  • Images that fit

    Resized, converted to WebP or AVIF, and loaded only when they are needed.

  • Fewer scripts

    Unused tags removed, and the rest loaded after the page is usable.

  • Lighter fonts

    Fewer files, in WOFF2, with the headline font preloaded.

  • Webflow’s own switches

    Per-page CSS and deferred scripts are off on most sites. I turn them on and test everything they touch.

  • A before and after report

    The same pages measured again, three runs each.

How it goes

  1. 01

    Measure

    I run every template on mobile three times and keep the middle result.

  2. 02

    Estimate

    You get the list of fixes, with hours next to each one.

  3. 03

    Fix on staging

    The changes go to a staging copy first, so you can compare.

  4. 04

    Publish and measure again

    The report shows the scores before and after.

Price

About a day of work for most sites.

Billed by the hour, with the estimate first. If the cause turns out to be structural, I tell you before going any further.

Hourly rate

40

USD an hour

Shown in

Home cleaning

Polina’s Cleaning

A booking-first site for a Minneapolis cleaning company.

View case
The Polina’s Cleaning home page

Health tech

Shen AI

One Webflow site in five languages, looked after month by month.

View case
The Shen AI home page

Questions

Why is my Webflow site slow?

Usually for the same few reasons: images larger than the space they fill, scripts from other companies, too many font files, and a heavy first screen. The platform itself is rarely the cause.

Why is the mobile score worse than the desktop one?

The test runs on a slow phone and a slow connection. Scripts and large images cost far more there than on a laptop.

Can a Webflow site score 90 or more?

Many can, but not all. Webflow loads its own scripts on every page, and those cannot be removed. You get the likely range after the audit, not before.

Will speed work break our animations?

It should not. Interactions are tested on staging before anything is published, and you decide about any that have to go.

Will the design change?

No, unless the first screen itself is the problem. Then you decide what to simplify.

What if the score is still low afterwards?

Then the cause is usually structural. At that point moving the site to custom code is worth pricing, and I will say so.

Goes well with

Migration from Webflow to custom code

The same site, rebuilt in code and moved to your own server. The monthly plan stops, the pages get lighter, and hosting and SEO are yours to control.

Service

Technical SEO

Broken links, missing redirects, thin metadata and pages Google skips: found, fixed and checked in Search Console.

Service

Why a Webflow site scores 60 on speed, and what gets it to 90

Most slow Webflow sites are slow for the same four reasons. None of them needs a rebuild.

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