We make your website lightning fast.

Instant load times. More revenue. Higher Google rankings.

★★★★★
100+ websites accelerated
FlashSites – lightning-fast websites
TRUSTED BY 100+ WEBSITES
blumeideal InnoCigs Offgridtec Happy420 Teppichscheune Heim & Garten24
Atletica gymirror Superwurm anchor sports Shrymp Commerce Candidate Flow
Simplified Nuvèra Sompex teaworld.de feey Stuhloase
SEE THE DIFFERENCE

Faster site, more revenue.

The same shop - slow on the left, with FlashSites on the right.

Before
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URBAN SOLE
1
BESTSELLER
★★★★★
Runner Pro X1 - Running Shoe
€89€111
Add to cart
Visitor
bounced
Too slow · Cart abandoned
After
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URBAN SOLE
3
BESTSELLER
★★★★★
Runner Pro X1 - Running Shoe
€89€111
Add to cart
New order
+€89 · Runner Pro X1
WHAT OUR CUSTOMERS SAY

Trusted by brands across Germany, the UK, and beyond.

★★★★★

"We kept running into load time problems with our shop. 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 shops 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 our page speed, 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 shops load noticeably faster, and support replies in minutes instead of days."

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

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

Christian Printing
Christian Printing
Owner · Stuhloase
ONE RESULT IN DETAIL

Thousands of products. Still lightning fast.

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 shop'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
Want results like this? Get your free trialGet your free trial
SPEED PAYS OFF

Turn site speed into money.

A few milliseconds often decide whether someone buys - or leaves.

USER EXPERIENCE

Customers stay

When your site appears instantly, visitors stick around - and come back.

★★★★★4,9 / 5
MARKETING EFFICIENCY

More from your budget

Fast pages win Google over - you pay less per click and win more customers.

Quality Score9/10
Cost / click
€0,5238%
Conversions
+64%
SEO RANKING

Better on Google

Google likes fast pages - and pushes them further up.

New position
Competitor
Old position
LEADS & REVENUE

More conversions

The shorter the wait, the more often a visit becomes an enquiry or a purchase.

ShopifyNew order2 minutes ago+ €159.99
ShopifyNew order5 minutes ago+ €89.99
ShopifyNew order7 minutes ago+ €129.99
ShopifyNew order9 minutes ago+ €74.90
WASTED AD SPEND

Slow sites burn your ad budget.

You pay for every click. If your site takes too long, visitors bounce – and the money is gone.

Try 14 Days For Free
SPEED CALCULATOR

What is more speed worth to you?

Enter your numbers and see how much extra revenue a faster site can bring.

EXTRA REVENUE PER YEAR
+0 €
extra orders / year
1,0 s
Load time with FlashSites
Try 14 Days For Free

Estimate based on industry studies: around 7% more conversions per second of faster load time, target load time 1 s. No guarantee.

OUR APPROACH

Tailor-made.
Never standard.

We tailor every optimisation to your website - for load times off-the-shelf plugins never reach.

OFF THE SHELF
Standard plugin
One setup for every website
Only the obvious wins
Load time stays mediocre
Conflicts with other plugins
TAILOR-MADE
FlashSites PageSpeed Solution
Every site tailor-made
All resources tuned together
Load time stays fast for good
Cleanly integrated
COMPATIBILITY

Works with every website.

Whatever the platform - we make it fast.

Shopify
Shopware
WooCommerce
magento
PrestaShop
plentymarkets
JTL-Shop
BigCommerce
WordPress
Webflow
Wix
Next.js
HOW SIMPLE IT IS

Live in 3 days. No developer effort.

1
Free analysis
We analyse your website and show you where time is lost.
2
Full implementation
We integrate the complete FlashSites solution. You never touch a line of code.
3
Lightning fast, live
Your website loads in under a second - on every device. Monitored continuously.
FAQ

Frequently asked questions.

How quickly is my website live?
Usually within 3 days. We set everything up - nothing to rebuild, nothing to install.
Do I need to change anything on my website?
No. We sit in front of your website - without touching your theme or code. For your customers, everything simply loads faster.
Which platforms do you support?
Shopify, Shopware, WooCommerce, WordPress, Webflow, Wix, PrestaShop, BigCommerce, plentymarkets, JTL-Shop and Next.js, plus custom-built websites and shops. All shop systems and websites.
How do you measure the improvement?
With real user monitoring: we measure real visitors' load times in real time, not in a lab. That gives you genuine before-and-after numbers.
What happens after the 14 days?
If the result convinces you, it continues on transparent terms. If not, you pay nothing - no risk at all.

See how fast your site could be.

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