Below is the answer and explanation for the question JavaScript can block DOM construction unless explicitly declared as async. JavaScript can block DOM construction unless explicitly declared as async. False True ✅ Correct answer True ✅ Explanation ...
Below is the answer and explanation for the question JavaScript can block DOM construction unless explicitly declared as async. JavaScript can block DOM construction unless explicitly declared as async. False True ✅ Correct answer True ✅ Explanation Read article →
Below is the answer and explanation for the question how do you prioritize optimization of the mobile site for browser versions or screen resolutions: How do you prioritize optimization of the mobile site for browser versions or ...
Below is the answer and explanation for the question how do you prioritize optimization of the mobile site for browser versions or screen resolutions: How do you prioritize optimization of the mobile site for browser versions or Read article →
Below is the answer and explanation for the question at a minimum, what Speed Index score should you be aiming for? At a minimum, what Speed Index score should you be aiming for? Less than 5000 ✅ Greater ...
Below is the answer and explanation for the question at a minimum, what Speed Index score should you be aiming for? At a minimum, what Speed Index score should you be aiming for? Less than 5000 ✅ Greater Read article →
Below is the answer for the question mobile pages that load 1s faster see up to a 27% increase in CvR. Mobile pages that load 1s faster see up to a 27% increase in CvR. False True ...
Below is the answer for the question mobile pages that load 1s faster see up to a 27% increase in CvR. Mobile pages that load 1s faster see up to a 27% increase in CvR. False True Read article →
Below is the answer for the question before introducing mobile site design best practices to your clients, you should examine their. Before introducing mobile site design best practices to your clients, you should examine their. existing mobile ...
Below is the answer for the question before introducing mobile site design best practices to your clients, you should examine their. Before introducing mobile site design best practices to your clients, you should examine their. existing mobile Read article →
Below is the answer and explanation for the question below is the answer and explanation for the question which of the following reports in Google Analytics helps you to identify leakages from the conversion funnel? Which of ...
Below is the answer and explanation for the question below is the answer and explanation for the question which of the following reports in Google Analytics helps you to identify leakages from the conversion funnel? Which of Read article →
Below is the answer and explanation for the question according to a Google poll, what is the top frustration when users browse the web on their mobile device? According to a Google poll, what is the top ...
Below is the answer and explanation for the question according to a Google poll, what is the top frustration when users browse the web on their mobile device? According to a Google poll, what is the top Read article →
Below is the answer and explanation for the question google Optimize does NOT currently allow you to: Google optimize does not currently allow you to: test new website designs, layouts and content with a subset of your ...
Below is the answer and explanation for the question google Optimize does NOT currently allow you to: Google optimize does not currently allow you to: test new website designs, layouts and content with a subset of your Read article →
Below is the answer and explanation for the question the first step to optimize the critical rendering path is: The first step to optimize the critical rendering path is: Analyze and characterize your critical path: number of ...
Below is the answer and explanation for the question the first step to optimize the critical rendering path is: The first step to optimize the critical rendering path is: Analyze and characterize your critical path: number of Read article →
Below is the answer and explanation for the question how many times per second do most devices refresh their screens? How many times per second do most devices refresh their screens? 100 35 60 ✅ 20 Correct ...
Below is the answer and explanation for the question how many times per second do most devices refresh their screens? How many times per second do most devices refresh their screens? 100 35 60 ✅ 20 Correct Read article →
Below is the answer and explanation for the question which of the following describes the payment API correctly? Which of the following describes the payment API correctly? It is designed for external card readers It requires a ...
Below is the answer and explanation for the question which of the following describes the payment API correctly? Which of the following describes the payment API correctly? It is designed for external card readers It requires a Read article →
Below is the answer and explanation for the question for each font on your website you should: For each font on your website you should: Minimize the HTML Make sure to add as many as possible Add ...
Below is the answer and explanation for the question for each font on your website you should: For each font on your website you should: Minimize the HTML Make sure to add as many as possible Add Read article →
Below is the answer and explanation for the question ehich of these features is part of a progressive web app? Which of these features is part of a progressive web app? UX API Location API Call API ...
Below is the answer and explanation for the question ehich of these features is part of a progressive web app? Which of these features is part of a progressive web app? UX API Location API Call API Read article →
Below is the answer and explanation for the question which describes how a service worker operates? Which describes how a service worker operates? It runs a programmable network proxy ✅ It doesn’t handle network requests coming from ...
Below is the answer and explanation for the question which describes how a service worker operates? Which describes how a service worker operates? It runs a programmable network proxy ✅ It doesn’t handle network requests coming from Read article →
Below is the answer for the question which of the following statements is true about the mobile experience of users? Which of the following statements is true about the mobile experience of users? It’s important to show ...
Below is the answer for the question which of the following statements is true about the mobile experience of users? Which of the following statements is true about the mobile experience of users? It’s important to show Read article →
Below is the answer and explanation for the question what is it that the app shell helps with What is it that the app shell helps with Creating a fully optimized site Improves elements of the UX ...
Below is the answer and explanation for the question what is it that the app shell helps with What is it that the app shell helps with Creating a fully optimized site Improves elements of the UX Read article →
Below is the answer and explanation for the question why did Facebook create “2G Tuesdays”? Why did Facebook create “2G Tuesdays”? To understand how people on 2G use their product ✅ To run a random experiment Most ...
Below is the answer and explanation for the question why did Facebook create “2G Tuesdays”? Why did Facebook create “2G Tuesdays”? To understand how people on 2G use their product ✅ To run a random experiment Most Read article →
Below is the answer and explanation for the question which is an example of a situation when an unnecessary resource negatively impacts the user experience. Which is an example of a situation when an unnecessary resource negatively ...
Below is the answer and explanation for the question which is an example of a situation when an unnecessary resource negatively impacts the user experience. Which is an example of a situation when an unnecessary resource negatively Read article →
Below is the answer and explanation for the question using a mix of desktop and mobile-optimized pages on mobile sites improves the user experience since some users are more familiar with the desktop version of the site. ...
Below is the answer and explanation for the question using a mix of desktop and mobile-optimized pages on mobile sites improves the user experience since some users are more familiar with the desktop version of the site. Read article →
Below is the answer and explanation for the question which components often account for most of the downloaded bytes on a web page? Which components often account for most of the downloaded bytes on a web page? ...
Below is the answer and explanation for the question which components often account for most of the downloaded bytes on a web page? Which components often account for most of the downloaded bytes on a web page? Read article →
Hi, my name is Michal Krčmář. I am digital entrepreneur currently based in Prague (Czechia). I’ve been working on websites and delivering online marketing campaigns as a commercially-focused freelancer since 2006 for big prestigious brands, worked in-house for many years as consultant, manager or director and run several own startups. I founded/co-founded several companies with annual turnaround around 10+ mio USD. When I am not actually working on my business I try to constantly pass on my broad experience through seminars and online training, I also organize company trainings and workshops.
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