Loved by brands that,
never waste a second.

They trust FlashSites with their load times.

Try 30 Days Free Success stories ↓
VERTRAUT VON ÜBER 100+ SHOPS
blumeideal InnoCigs Offgridtec Happy420 Teppichscheune Heim & Garten24
Atletica gymirror Superwurm anchor sports Shrymp Commerce Candidate Flow
Simplified Nuvèra Sompex teaworld.de feey Stuhloase
★★★★★

"We kept running into load time problems with our store. FlashSites fixed them for good - and our revenue went up."

Marcel Phillip
Marcel Phillip
Owner · Nuvèra · SupplementsNuvèra
★★★★★

"My clients benefit from the resilience - when Shopify goes down, their stores just keep running. And on PageSpeed they leave everyone behind."

Roman Nenstiel
Roman Nenstiel
Founder · Shopify Agency
★★★★★

"FlashSites helped us improve our site's load times considerably - and we're especially impressed by how fast and thoroughly they handle any request."

Stephan Löwigt
Stephan Löwigt
Head of Technology · TeppichscheuneTech Lead · Teppichscheune
★★★★★

"FlashSites.de exceeded our expectations! The impressive page performance is taking us to new digital heights."

Matthias Schneeweiß
Matthias Schneeweiß
Managing Director · WSB Battery Technology GmbHWSB BT GmbH
★★★★★

"Since FlashSites optimised it, our site has become extremely fast. We're very happy with both the service and the result."

Marvin Langhoff
Marvin Langhoff
Managing Director · Superwurm
★★★★★

"FlashSites are very helpful and flexible, and on top of that my site loads much faster. 👍🏽 thank you"

Emre B.
Emre B.
Owner · GYMIRROR
★★★★★

"Great team, great solution."

ATLETICA
ATLETICA
Market leader in gym equipment
★★★★★

"FlashSites is our insider tip for client projects - the stores load noticeably faster, and support replies in minutes instead of days."

Ivan José Gomes
Ivan José Gomes
Founder · Gisoro Design Digital
★★★★★

"Hakan and the FlashSites team helped us improve our store's performance considerably. Pages load noticeably faster and the whole site feels far more responsive."

Christian Printing
Christian Printing
Owner · Stuhloase
100+
Stores optimised
3 Days
Avg. to go live
84%
Avg. load time cut
60%
Avg. smaller pages
CUSTOMER RESULTS

Results in detail.

Measured with RUM (Real User Monitoring)

Offgridtec
Solar & Off-Grid Energy · Shopware 6
45
BEFORE
93
AFTER

Offgridtec: Google PageSpeed from 45 to 93

A vast catalogue of heavy solar photography pushed the store's mobile PageSpeed down to 45. We optimised it layer by layer - without changing the design.

WHAT WE DID
Over 2,000 product images converted to AVIF automatically and served responsively
Render-blocking CSS & JavaScript eliminated - 62% less JavaScript
Largest Contentful Paint reduced from 4.8s to 1.1s
On Shopware updates, only changed products are purged from the cache automatically - everything else stays warm in the cache
+48 pts
PAGESPEED
4.8→1.1s
LCP
82% less
PAGE SIZE
Superwurm Worm Compost & Garden Products · Next.js
BEFORE3.9s
AFTER0.9s
Measured with RUM (Real User Monitoring) · Homepage to product page

Superwurm: load time from 3.9s to 0.9s

A growing store with many category and guide pages loaded sluggishly on mobile - every page change tested your patience. We cut load times drastically; now every page opens practically instantly.

WHAT WE DID
Render-blocking JavaScript reduced and the load order re-prioritised
Category & product images in AVIF, served responsively with lazy loading
Edge caching across all store pages - fast load times on every page
↓ 77%
LOAD TIME
3.9→0.9s
HOMEPAGE
instant
PAGE CHANGES
Marvin Langhoff

"Since FlashSites optimised it, our site has become extremely fast. We're very happy with both the service and the result."

Marvin Langhoff
Managing Director · Superwurm

Teppichscheune: 85% smaller images

High-resolution rug photography is the heart of this store - and used to be its biggest drag. With our image pipeline it now weighs a fraction, with no visible loss in quality.

WHAT WE DID
Complex custom filters, all pre-cached - instant selection
Product images from an average of 800 KB to 80 KB - AVIF, responsive sizes & lazy loading
Load time cut from 5.0s to 0.8s on every page - not just the homepage
↓ 90%
IMAGE SIZE
5.0→0.8s
EVERY PAGE
Instant
FILTER SELECTION
Stephan Löwigt

"FlashSites helped us improve our site's load times considerably - and we're especially impressed by how fast and thoroughly they handle any request."

Stephan Löwigt
Head of Technology · TeppichscheuneTech Lead · Teppichscheune
Teppichscheune Made-to-Measure Rugs · Shopware 6
BEFORE840 KB
Teppich
AFTER92 KB
Teppich↓ 89%
Same image, same quality - 89% smaller thanks to AVIF.
Just Mats Yoga & Fitness Mats · Shopify
BEFORE4.3s
AFTER0.8s
Measured with RUM (Real User Monitoring) · Homepage to product page

Just Mats: load time from 4.3s to 0.8s

Large product photos and video loops made the store sluggish on mobile. We optimised media and load order - now every page loads noticeably faster, with nothing changed about the look.

WHAT WE DID
Product renderings in AVIF converted and served responsively with lazy loading
Video loops deferred and render-blocking JavaScript reduced
Edge caching across all store pages - fast load times on every page
↓ 81%
LOAD TIME
4.3→0.8s
HOMEPAGE
smoother
PAGE CHANGES
Emre B.

"FlashSites are very helpful and flexible, and on top of that my site loads much faster. Thank you!"

Emre B.
Owner · Just Mats
Stuhloase Office Chairs & Ergonomics · Custom PHP Store
BEFORE2.8s
AFTER0.7s

Stuhloase: load time from 2.8s to 0.7s

With many large product images and variants, the store was noticeably slow. We optimised it technically - the design stayed exactly the same, the load time is far shorter.

WHAT WE DID
Product photography in AVIF, served responsively with lazy loading
Edge caching for category and product pages - fast on every page
External scripts slimmed down and the load order re-prioritised
↓ 75%
LOAD TIME
2.8→0.7s
HOMEPAGE
AVIF
IMAGE FORMAT
Christian Printing

"Hakan and the FlashSites team helped us improve our store's performance considerably. Pages load noticeably faster and the whole site feels far more responsive.

What we value most is how straightforward and personal working with FlashSites is. Whether it's questions, technical challenges or new functional changes: we always get fast, pragmatic support.

When our site came under attack, we were able to respond very quickly together with FlashSites and get the situation back under control. For us, FlashSites isn't just a performance provider but a dependable technical partner we're happy to recommend."

Christian Printing
Owner · Stuhloase

Test your new load time.

Lightning fast in 3 days. Not convinced? You pay nothing.