Videos & Presentations
On building a faster web.
Recent Publications

August 31, 2020

InvaliDB: Scalable Push-Based Real-Time Queries on Top of Pull-Based Databases (Extended)

Paper

August 23, 2020

"go live within a matter of days […] across our biggest markets, Germany, France, and UK"

Link

August 6, 2020

Tracking & Analyzing User Behavior for Online Performance Optimization

Slides

July 9, 2020

"Speed Kit accelerated loads on our website […] led to a double digit uplift in conversion rate."

Link

June 9, 2020

Context-Aware Encoding & Delivery in the Web

PaperSlides

May 20, 2020

Mobile Site Speed & The Impact on Web Performance – Part 1

Link

Case Studies

August 23, 2020

"go live within a matter of days […] across our biggest markets, Germany, France, and UK"

Link

July 9, 2020

"Speed Kit accelerated loads on our website […] led to a double digit uplift in conversion rate."

Link

January 15, 2020

"Not only a 3.9x page speed boost you can feel, but a 55% conversion uplift we can measure."

Link

January 15, 2020

"Speed Kit accelerated our site by 2.5x. There is no doubt about the great ROI."

Link

September 17, 2019

"With Speed Kit, we have zero maintenance time to achieve [competitive performance]."

Link

May 6, 2019

"With Speed Kit, we achieved more than 2x faster paints for our mobile users."

Link

Research Papers

August 31, 2020

InvaliDB: Scalable Push-Based Real-Time Queries on Top of Pull-Based Databases (Extended)

Paper

June 9, 2020

Context-Aware Encoding & Delivery in the Web

PaperSlides

April 20, 2020

InvaliDB: Scalable Push-Based Real-Time Queries on Top of Pull-Based Databases

PaperSlides

April 20, 2020

Speed Kit: A Polyglot & GDPR-Compliant Approach For Caching Personalized Content

PaperSlides

March 6, 2019

Twoogle: Searching Twitter With MongoDB Queries

PaperSlides

August 23, 2018

LIFT: Reinforcement Learning in Computer Systems by Learning From Demonstrations

Paper

March 29, 2018

Real-Time Data Management for Big Data

PaperSlides

August 29, 2017

Quaestor: Query Web Caching for Database-as-a-Service Providers

PaperSlides

March 6, 2017

The Case For Change Notifications in Pull-Based Databases

PaperSlides

December 9, 2016

Learning Runtime Parameters in Computer Systems with Delayed Experience Injection

Paper

June 30, 2016

NoSQL Database Systems: A Survey and Decision Guidance

Paper

March 4, 2015

Towards Automated Polyglot Persistence

PaperSlides

March 4, 2015

The Cache Sketch: Revisiting Expiration-based Caching in the Age of Cloud Data Management

PaperSlides

September 23, 2014

Nosql OLTP Benchmarking: A Survey

PaperSlides

September 23, 2014

Towards a Scalable and Unified REST API for Cloud Data Stores

Paper

April 1, 2014

Orestes: A scalable Database-as-a-Service architecture for low latency

Paper

Meetups & Local Events

August 6, 2020

Tracking & Analyzing User Behavior for Online Performance Optimization

Slides

May 2, 2018

Progressive Web Apps and Service Workers

Slides

January 21, 2018

The Technology Behind Progressive Web Apps: Service Workers in Detail

Slides

June 12, 2017

How to Develop a Backend-as-a-Service

Slides

May 9, 2017

Our Lessons Learned Building a Backend-as-a-Service: A Technical Deep Dive

Slides

February 27, 2017

High-Traffic-Websites mit Ladezeiten unter einer Sekunde: Lessons Learned

Slides

December 15, 2016

Real-Time Queries in Baqend

Slides

November 14, 2016

Baqend: the German answer to Firebase

Slides

October 26, 2016

Real-Time Databases Explained: Why Meteor, RethinkDB, Parse, and Firebase Don't Scale

Slides

June 15, 2016

Bloom Filters for Web Caching

Slides

May 26, 2016

Baqend: A Backend-as-a-Service for Web and Mobile Apps

Slides

April 8, 2016

Cache Sketches —  Using Bloom Filters and Web Caching Against Slow Load Times

Slides

February 4, 2016

Building a Global-Scale Multi-Tenant Cloud Platform on AWS and Docker: Lessons Learned

Slides

November 25, 2015

Mit der Cloud Ladezeiten abschaffen

Slides

November 2, 2015

Towards Scalable Cloud Data Management

Slides

March 25, 2015

Skalierbares Big Data Management

Slides

September 24, 2014

Orestes: Scalability and Low Latency for Polyglot Database Services

Slides

Blog Articles

May 20, 2020

Mobile Site Speed & The Impact on Web Performance – Part 1

Link

April 26, 2020

Dynamic Cache Lifetime With Immutable Cache-Control Headers

Link

April 16, 2020

E-Commerce Loading Times in the COVID-19 Crisis

Link

October 12, 2019

Caching the Uncacheable: How Speed Kit Accelerates E-Commerce Websites

Link

August 9, 2018

Chrome's Service Workers Break HTTP/2 Priorities

Link

April 29, 2018

Rethinking Web Performance with Service Workers

Link

March 9, 2018

Web Performance Made Simple

Link

October 13, 2017

Building a Shop with Sub-Second Page Loads: Lessons Learned

Link

July 16, 2017

A Real-Time Database Survey: The Architecture of Meteor, RethinkDB, Parse & Firebase

Link

June 27, 2017

Building Static Sites in 2017: Cloud-Hosted, CMS-Backed, and API-Driven

Link

May 17, 2017

Lessons Learned Building a Backend-as-a-Service: A Technical Deep Dive

Link

March 24, 2017

Web Performance in a Nutshell: HTTP/2, CDNs and Browser Caching

Link

March 17, 2017

High Performance Website Hosting with SSL and HTTP/2 Made Simple

Link

Magazines, Journals & Books

May 16, 2020

Fast and Scalable Cloud Data Management

Book

May 8, 2019

Scalable Push-Based Real-Time Queries on Top of Pull-Based Databases

SlidesPhD thesis

January 3, 2019

Real-Time & Stream Data Management

Book

December 18, 2018

Low Latency for Cloud Data Management

SlidesPhD thesis

February 1, 2018

Schnellere Websites mit HTTP/2

Link

September 8, 2017

Laden Sie noch oder surfen Sie schon?

Link

June 24, 2016

Real-time Stream Processing for Big Data

Link

September 4, 2015

Polyglot Persistence

Link

Conference Talks & Tutorials

February 17, 2020

Mobile Site Speed & the Impact on Web Performance

Slides

February 17, 2020

Webcaching: Moving Away from a Binary Decision

Slides

January 5, 2020

Breaking Bad Performance: Mobile Site Speed & the Impact on Web Performance

Slides

October 25, 2019

Mobile Site Speed and the Impact on E-Commerce

Slides

October 25, 2019

Service Workers in Action: Building an Offline-Capable Webshop in under 90 minutes

Slides

October 24, 2019

Big Data Analytics With AWS Athena

Slides

October 24, 2019

Panel: GDPR – Who Cares?

Link

September 3, 2019

Web Performance Management with BI: Faster Business Growth through Speed

Slides

May 28, 2019

Service Workers: The Technology Behind Progressive Web Apps (Workshop)

Slides

March 5, 2019

NoSQL & Real-Time Data Management in Research & Practice

PaperSlides

December 10, 2018

Push vs Pull: The Future of Real-Time Databases in the Cloud

Slides

October 19, 2018

Service Workers: The Technology Behind Progressive Web Apps

Slides

October 19, 2018

Real-Time Processing Explained: A Survey of Storm, Samza, Spark & Flink

Slides

September 13, 2018

Vue.js in Echtzeit: Live-Coding einer Realtime-Anwendung

Slides

September 12, 2018

Scalable Stream Explained: Surveying Storm, Samza, Spark & Flink

Slides

September 12, 2018

The Technology Behind Progressive Web Apps

Slides

September 29, 2017

Real-Time Anwendungen mit React und React Native entwickeln

Slides

September 29, 2017

Wie man ein Backend-as-a-Service entwickelt: Lessons Learned

Slides

September 29, 2017

AMP, PWAs, HTTP/2 and Service Workers: A new Era of Web Performance?

Slides

September 28, 2017

Real-Time Databases Explained: Why Meteor, RethinkDB, Parse & Firebase Don't Scale

Slides

May 18, 2017

Scalable NoSQL-Architectures

Slides

May 17, 2017

Scalable Stream Processing: A Survey of Storm, Samza, Spark and Flink

Slides

April 27, 2017

Building a Shop with Sub-Second Page Loads

Slides

March 7, 2017

Scalable Data Management: An In-Depth Tutorial on NoSQL Data Stores

Slides

October 3, 2016

NoSQL data stores in research and practice

Slides

September 30, 2016

Web Performance — die effektivsten Techniken aus der Praxis

Slides

September 29, 2016

Real-Time-Anwendungen mit TypeScript entwickeln

Slides

June 10, 2016

Das große Einmaleins der NoSQL-Datenbanken

Slides

May 20, 2016

Scalable data management: NoSQL data stores in research and practice

PaperSlides

June 29, 2015

Tutorial on Scalable Cloud Databases in Research and Practice

Paper

May 11, 2015

Sicher und hochperformant: skalierbare Websites mit modernen Cloud-Services

Slides

March 2, 2015

Skalierbare NoSQL- und Cloud-Datenbanken in Forschung und Praxis

Slides

April 29, 2014

Scalable Cloud Databases in Research and Practice

Slides

November 12, 2013

Skalierbare Cloud-Datenbanken in Forschung & Praxis

Slides

November 8, 2012

Why latency kills Database-as-a-Service and how to overcome it

Slides

Pitching Events

October 18, 2018

Finalist (Digital Infrastructure)

Slides

June 5, 2018

Winner (VC Pitch)

Slides

November 7, 2017

Semi-Finalist (Startup Pitch)

Slides

September 14, 2017

Finalist (Startup Hatch)

Slides

March 13, 2017

German Haus Pitch

Slides

November 30, 2016

Slush100 Semi-Finalist

Slides

September 21, 2016

Winner (Jury & Audience Award)

Slides

February 19, 2016

Winner Audience Award

Slides