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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
A practical book on website performance for web developers, concentrating mainly on frontend performance improvement. It covers plenty of solid theory, but is also packed with useful, real world hints and tips that you can use on your sites today.Topics covered include: User experience, design and performance Measuring and monitoring performance Setting up a page weight budget Network and server improvements Optimizing images and video Optimizing scripts and third party content Lean DOM operationsThe book also comes with a handy "cheat sheet" summarizing many of the key tips contained within the book.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.