Preparing for an interview
Learn how to effectively prepare for an interview by researching the company, practicing responses, and showcasing your skills and achievements.
NOTE: THIS TOPIC CAN BE TAUGHT IN 2-3 LESSONS
Part 1
Warm-up
Answer the questions
What did we discuss in the last lesson?
Do you often prepare for interviews?
What will you do, or what did you do, to prepare for an interview?
Part 2
Vocabulary
Read the word, its’ meaning, and the examples
Then make up your own sentences using the word.
Student can skip the words they already know.
genuine
/ˈdʒen.ju.ɪn/
If something is genuine, it is real and exactly what it appears to be
She gave a genuine smile that made everyone feel welcome.
His apology seemed genuine, so I decided to forgive him.
attire
/əˈtaɪr/
clothes, especially of a particular or formal type
The invitation specified formal attire for the evening.
Traditional attire is often worn during cultural festivals.
pertinent
/əˈtaɪr/
relating directly to the subject being considered
The manager asked only pertinent questions during the meeting to keep the discussion focused.
His comments were always pertinent and added significant value to the conversation.
Make up your own sentences using the words.
Part 3
Reading comprehension
Read the tips.
Teacher helps student correct their pronunciation.
Preparing for an interview is essential for making a strong impression. Here are key steps:
Research the company
Understand the company’s mission, values, and recent news. This helps tailor your responses and shows genuine interest.
Understand the role
Review the job description and prepare examples of your relevant skills and achievements.
Practice questions
Practice common interview questions and prepare structured answers for behavioral questions.
Prepare your questions
Have thoughtful questions ready for the interviewer about the company and role.
Dress appropriately
Choose professional attire that matches the company culture.
Plan your journey
For in-person interviews, plan your route and arrive early.
Bring documents
Bring multiple copies of your resume and any other relevant documents.
Stay calm
Stay calm and confident. Take deep breaths and listen carefully.
By following these steps, you can confidently approach your interview and make a positive impression.
Part 4
Watch video with teacher
Watch the video with teacher, and try to follow the way which Jane answers
Questions:
- How are you doing?
- Are you fresher/junior/middle/senior _______?
- Tell me about you?
- Tell me what is your strength?
- Where do you see yourself, in next five/ten years?
- What does success mean to you ______?
- Can you work well under pressure?
- How do you make important decisions?
- Do you have any question for me?
Student will try to answer this question by student’s style
Part 5
Common interview questions and answers
The teacher guides the student on how to answer common interview questions, and then the student will try to answer each one by themselves.
- Tell me about yourself?
- Tell me what is your strength?
- Where do you see yourself, in the next five/ten years?
- Can you work well under pressure?
- Why should I hire you?
- Do you have any questions for me?
Guide how to answer
Question 1: Tell me about yourself?
- STUDENT: Answer the question.
- TEACHER: Guide the student to follow these steps.
- STUDENT: Re-answer following the guide.
Answering “Tell me about yourself” in an IT job interview can be your opportunity to make a strong first impression. Here’s a structured approach:
Background: Brief overview of education and professional background.
- Example: “I have a Bachelor’s degree in Computer Science and have been passionate about technology from a young age…”
Relevant experience: Describe work experience, focusing on roles and projects pertinent to the job.
- Example: “Over the past five years, I’ve worked as a software developer, mainly focusing on backend systems and improving database performance…”
Skills: Mention specific skills and technologies relevant to the job description, highlight recent training or certifications.
- Example: “I’m skilled in programming languages such as Java and Python, and I’ve recently earned a certification in cloud computing…”
Achievements/projects: Discuss significant achievements or projects that demonstrate expertise.
- Example: “One of my key projects was developing a scalable e-commerce platform that successfully handled peak traffic times during sales events…”
Alignment with company: Explain why you’re interested in the role and how your goals align with the company’s mission/values.
- Example: “I’m particularly excited about this role because it aligns with my interest in developing user-centric software solutions, and I admire your company’s commitment to innovation…”
Current situation: Explain why you’re looking for a new opportunity and your career goals.
- Example: “I’m now looking to take on new challenges and further develop my skills in a forward-thinking environment like yours…”
Remember to keep your answer concise (about 1-2 minutes), focused on professional details, and tailored to the job you’re applying for.
Full answer:
I have a Bachelor’s degree in Computer Science and began my career with internships that sparked my passion for technology. Over the past five years, I’ve worked as a software developer, mainly focusing on backend systems and database performance improvement.
In my recent role at XYZ Corporation, I optimized database systems, increasing query efficiency by 30%. I’m skilled in Java and Python, and I recently earned a certification in cloud computing. One of my key project was developing a scalable e-commerce platform that successfully handled peak traffic during sales events.
I’m particularly excited about this role because it aligns with my interest in developing user-centric software solutions, and I admire your company’s commitment to innovation. I’m now looking to take on new challenges and further develop my skills in a forward-thinking environment like yours to further develop my skills and contribute meaningfully.
NOW, STUDENT TRIES TO ANSWER THIS QUESTION
Question 2: Tell me what is your strength?
- STUDENT: Answer the question.
- TEACHER: Guide the student to follow these steps.
- STUDENT: Re-answer following the guide.
When answering the question “What is your strength?” in an IT job interview, it’s important to focus on qualities that are directly relevant to the role you’re applying for. Here’s a structured approach to crafting your response:
1. Identify relevant strengths:
Choose strengths that align well with the job description and the company’s needs. These could be technical skills, soft skills, or a combination of both.
2. Provide evidence (cung cấp bằng chứng):
Support each strength with examples from your past work experience, education, or projects to demonstrate how it has been beneficial in real-world scenarios.
3. Link to the job:
Explain how your strengths would enable you to excel in the specific role you’re applying for.
4. Keep it balanced:
Mention one or two key strengths rather than a long list. Depth is more impactful than breadth in this case.
Example:
A strong point of mine is being very detail-oriented, which helped me spot bugs early in my last QA job. For example, I found a big error in how payments were processed before it caused any real problems. I’m also good with test automation tools; using Selenium, I helped cut down testing time by almost half, making things faster. Plus, I communicate well, making sure bugs are clearly reported and fixed. These skills, along with my eagerness to keep learning, mean I can really help maintain the quality of your products.
Remember to be confident and genuine when discussing your strengths, as authenticity can be a compelling factor in an interviewer’s assessment.
NOW, STUDENT TRIES TO ANSWER THIS QUESTION
Question 3: Where do you see yourself, in the next five/ten years?
- STUDENT: Answer the question.
- TEACHER: Guide the student to follow these steps.
- STUDENT: Re-answer following the guide.
When answering “Where do you see yourself in the next five to ten years?” in an IT job interview, you should focus on your career aspirations, how they align with the company’s growth, and your commitment to professional development. Here’s a structured guide:
- Reflect on your career goals:
Think about where you genuinely want to be in your career in the next five to ten years in the IT industry.
- Align with the company:
Research the company’s mission, values, and growth plans so you can align your answer with the direction the company is heading.
- Emphasize learning and growth:
Show that you are committed to continuous learning and professional development, which are crucial in the ever-evolving IT field.
- Mention leadership and contribution:
If you aspire to take on more responsibility, mention your interest in leadership or in making significant contributions to the company.
- Stay flexible and realistic:
While being ambitious, also communicate your openness to new experiences and your understanding that career paths can be dynamic.
Here is an example response for a Business Analyst:
“In the next five years, I see myself growing into a more senior business analyst role, where I can take on larger projects and have a deeper impact on business outcomes. I’m eager to continue developing my skills in data analysis and project management to contribute to strategic decisions. I also see myself leading a team, as I enjoy mentoring and helping others develop their skills…..
Remember to tailor your response to the position and the company you are interviewing with, and ensure that your long-term career goals are a good fit for the direction the company is heading.
NOW, STUDENT TRIES TO ANSWER THIS QUESTION
Question 4: Can you work well under pressure?
- STUDENT: Answer the question.
- TEACHER: Guide the student to follow these steps.
- STUDENT: Re-answer following the guide.
Responding to the question “Can you work well under pressure?” requires a blend of honesty and strategy. Here’s how you can structure your answer for an IT job interview:
- Acknowledge the reality of pressure:
IT environments often have high-pressure situations, such as tight deadlines or critical system outages. Recognize that this is part of the job.
- Share specific examples:
Provide clear instances from your past experience where you successfully managed work under pressure. This could include handling urgent bug fixes, meeting tight project deadlines, or working through a critical system update with a limited timeframe.
- Describe your approach:
Detail how you handle pressure effectively. This might involve breaking down tasks into manageable parts, prioritizing work, maintaining a positive attitude, and using stress-reduction techniques.
- Highlight positive outcomes:
Discuss the results of working under pressure, like meeting a critical delivery date, resolving a high-priority issue, or helping the team overcome a challenging period.
- Reflect personal growth and learning:
Mention what you’ve learned from high-pressure situations and how this has improved your professional skills.
Here is an example response for an IT job interview:
“Yes, I can work well under pressure, which I believe is an essential skill in IT. For example, in my previous role, we were faced with a critical server crash during a major client’s product launch. I prioritized the tasks at hand, collaborated closely with my team, and focused on clear communication to ensure we were all working towards a solution. I stayed calm and methodical throughout the process, which helped us restore services within a tight deadline.
The experience not only helped me develop stronger problem-solving skills but also taught me the importance of maintaining composure under stress. It was a reminder that even under pressure, attention to detail and teamwork are key to successful outcomes. I’ve learned to see high-pressure situations as opportunities to challenge myself and grow professionally.”
NOW, STUDENT TRIES TO ANSWER THIS QUESTION
Question 5: Why should I hire you?
- STUDENT: Answer the question.
- TEACHER: Guide the student to follow these steps.
- STUDENT: Re-answer following the guide.
- Match skills: Quickly link your top skills to the job’s requirements.
- Unique strength: Mention one thing that makes you stand out.
- Proven results: Give one brief example of a relevant success.
- Company fit: Show you’re excited about how you fit with the company.
- Close confidently: Finish by expressing your readiness to contribute.
Example:
You should hire me because my skills in [key skill] match what you need for this role. I’ve successfully [describe a relevant achievement] before, and I’m really excited about what your company is doing in [company’s field of work]. I’m ready to jump in and start contributing from day one.
NOW, STUDENT TRIES TO ANSWER THIS QUESTION
Question 6: Do you have any questions for me?
You should research about the company, and prepare some questions to ask
Example:
Thank you for the opportunity to ask questions. I’ve done some research on the company and the role, and I’m really excited about the prospect of working here. I do have a few questions that I’d love to get your insights on.
- Question,…
NOW, STUDENT TRIES TO ANSWER THIS QUESTION
Other questions, student can read/study at home in the pdf file that Enrich English already sent to you
Currently, Are you working for another company?
Why did you leave your previous job?
What is your salary at your previous/current company?
What salary do you expect?
How do you make important decisions?
How long do you plan to work for our company?
Are you comfortable with working overtime?
What do you think about business trips? For example, working in India for about 2-3 months.
What do you think you need to improve about yourself?
What do you know about us?
Tell me about a time you faced a difficult situation and how you handled it.
Part 6
Questions focus on each job title
The student will prepare the answers at home and will try to answer the questions in the mock interview lesson.
Student just only choose the role which related to their role.
For Tester (Quality Control)
Can you describe the process you follow when you start testing a new application or feature?
How do you prioritize which tests to run when time is limited?
Can you give an example of a challenging bug you found and how you reported it to the development team?
Sample answer
Can you describe the process you follow when you start testing a new application or feature?
When I start testing a new feature or app, I do these steps:
- Learn about it: I first make sure I understand what the app or feature is supposed to do by reading any guides, documents, business rules, or notes from the team.
- Plan my tests: I make a list of what I need to check to make sure everything works right, like buttons, forms, and how it behaves. It is the testcase or checklist.
- Prepare: I set up everything needed for the tests, like the right software and any test data.
- Test: I go through the list and try out each thing, seeing if it works as expected.
- Report problems: If something isn’t working, I write down/or note bugs on the bugs tools what went wrong and tell the developers so they can fix it.
- Check fixes: After fixes are made, I test again to make sure everything is now working correctly.
How do you prioritize which tests to run when time is limited?
When there isn’t much time, I focus on the most important parts:
- Must-haves: I test the main features first—things that users will definitely need.
- Big impact: I check functions that, if broken, would cause big problems for users.
- Risk areas: I look at parts of the app that are new or were problematic before because these are more likely to have issues.
Can you give an example of a challenging bug you found and how you reported it to the development team?
Once, when testing a shopping app, I found a bug where the checkout button didn’t work at certain times, like during sales when many people were using the app. This was a big problem because it meant customers couldn’t buy anything.
I reported the bug by:
- Describing the problem: I explained what happened and when the issue occurred.
- Details for reproducing the bug: I listed the steps so anyone could see the bug themselves, which helps in fixing it.
- Urgency: I highlighted how urgent this was because it was stopping sales.
I told the developers, and they fixed it quickly. Then, I tested it again to make sure it was all working fine now.
For Business Analyst (BA)
How do you go about gathering and analyzing requirements for a new project or feature?
Can you describe a time when you had to manage a difficult stakeholder during a project?
How do you ensure that the solutions you propose meet both customer needs and business objectives?
Sample answer
How do you go about gathering and analyzing requirements for a new project or feature?
When gathering and analyzing requirements for a new project or feature, I follow these steps:
- Stakeholder meetings: I start by organizing meetings with all key stakeholders. This includes business owners, end users, and IT team members to gather diverse perspectives on what is needed and expected from the new project or feature.
- Document review: I review existing documentation that might give insights into current processes and user needs, such as user manuals, previous project reports, and system specifications.
- Requirements workshops: I conduct focused workshops using techniques like brainstorming, storyboarding, or use case analysis to dive deeper into specific requirements and functionalities.
- Surveys and feedback forms: To gather broader input, especially from a large user base, I use surveys and feedback forms.
- Analysis: With all the information collected, I analyze the data to identify and prioritize requirements based on business value and feasibility. This includes creating models and visual representations like flowcharts or wireframes to outline the proposed solution.
- Validation: Finally, I validate these requirements with the stakeholders, adjusting as necessary to ensure alignment and understanding across all parties.
Can you describe a time when you had to manage a difficult stakeholder during a project?
In one project, we had a stakeholder who was very resistant to changes proposed for a critical business process. The challenge was their reluctance to adopt new software that was central to our project goals.
To manage this situation, I took the following steps:
- Understanding concerns: I organized one-on-one meetings with the stakeholder to understand their concerns and reservations about the new system.
- Education and demonstration: I arranged demo sessions with the stakeholder, showing how the new system could actually make their tasks easier and improve performance.
- Incorporate feedback: I actively sought their input on how the system could be tweaked to better serve their needs, making them feel involved and valued in the process.
- Regular updates: I kept them regularly updated about the project progress and how their feedback was being implemented, maintaining transparency.
This approach helped in gradually reducing their resistance and gaining their buy-in for the project.
How do you ensure that the solutions you propose meet both customer needs and business objectives?
To ensure that the solutions I propose align with both customer needs and business objectives, I use the following approach:
- Align with strategic goals: I ensure that any solution proposed is in alignment with the organization’s strategic goals. This involves understanding the broader business objectives and how the project fits into these goals.
- Stakeholder input: I continuously engage with both customers (or end users) and business stakeholders throughout the project lifecycle to understand and integrate their needs and expectations into the solution.
- Feasibility studies: I conduct feasibility studies to analyze the technical, economic, and operational viability of the proposed solutions, ensuring they are practical and offer a good return on investment.
- Prototyping and testing: Before full-scale implementation, I advocate for prototyping and testing phases where feedback can be gathered to tweak the solution in line with real-world usage and business expectations.
- Performance metrics: I define clear performance metrics for the solution, which help in measuring whether the solution meets the desired objectives and delivers value to both the customers and the business.
By following these strategies, I ensure that the solutions developed are not only feasible and practical but also deliver substantial value, satisfying both customer needs and achieving business goals.
For UI/UX Designer
Can you walk us through your design process, from understanding user needs to final design delivery?
How do you handle user feedback or testing that contradicts your design decisions?
Could you provide an example of a complex design problem you faced and how you solved it?
Sample answer
Can you walk us through your design process, from understanding user needs to final design delivery?
My design process is user-centered and iterative, emphasizing collaboration and continuous improvement. Here’s how I approach it:
- Understanding user needs: I start by gathering as much information as possible about the users and their needs through methods such as user interviews, surveys, and observing users in their natural environment. This helps in building user personas and user journey maps.
- Defining the problem: Based on the insights gathered, I define the core problem statements and set clear, measurable goals for the project.
- Ideation: In this phase, I brainstorm multiple design solutions through sketching, wireframing, and creating low-fidelity mockups. I often conduct design sprints and workshops with stakeholders during this stage.
- Design prototyping: I then create high-fidelity prototypes that are interactive and close to the final product. These prototypes are crucial for visualizing the flow and interactivity of the application.
- User testing: I conduct usability testing sessions with actual users to gather feedback on the prototype. This involves tasks like A/B testing, usability tests, and heat mapping.
- Iterate based on feedback: Using the insights from user testing, I refine and iterate the designs. This might involve several cycles of testing and tweaking to get everything right.
- Handoff to development: Once the design is finalized, I prepare a comprehensive design specification for the development team. I use tools like Zeplin or Figma that facilitate a smooth transition from design to development.
- Post-launch evaluation and iteration: After the product is launched, I continue to monitor user feedback and performance metrics to refine and optimize the design.
How do you handle user feedback or testing that contradicts your design decisions?
When user feedback contradicts my design decisions, I view it as a valuable opportunity to learn and improve the design. Here’s how I handle it:
- Analyze the feedback: I thoroughly analyze the feedback to understand the underlying issues. It’s important to distinguish between subjective preferences and feedback that can significantly improve usability or user satisfaction.
- Validate with more users: If possible, I validate the feedback with a broader user group to see if it’s a common issue.
- Collaborate with the team: I discuss the feedback with my team, including other designers, developers, and product managers, to get different perspectives and solutions.
- Iterate and test: I make the necessary adjustments to the design and conduct further tests to see how the changes perform. This iterative process helps refine the design based on solid user data.
- Communication: I maintain transparent communication with stakeholders about why certain changes were made, backed by data from user testing.
Could you provide an example of a complex design problem you faced and how you solved it?
In a previous project, I was tasked with redesigning a mobile application for a retail company that had a very high drop-off rate at the checkout page. The main challenge was to simplify the checkout process to reduce cart abandonment.
My approach was:
- User research: I conducted user interviews and observed users interacting with the app. I found that users felt overwhelmed by the number of form fields and confused by the payment options.
- Simplified design: Based on the insights, I redesigned the checkout process to be fewer steps with clearer, more intuitive form fields and added tooltips for information that might confuse users.
- Prototyping and testing: I developed a prototype of the new checkout process and conducted usability testing. The tests showed a significant improvement in user satisfaction and a decrease in the time it took to complete a purchase.
- Implementation and monitoring: After the redesigned checkout was implemented, I monitored the analytics and found a marked decrease in drop-off rates and an increase in successful transactions.
This example illustrates how I use a systematic approach to identify user pain points, design effectively to address those issues, and validate that those interventions have successfully resolved the problem.
For Product Manager
Can you describe a product you successfully brought to market and the role you played in its development?
How do you prioritize features for development and handle requests from various stakeholders?
Tell us about a time when you had to make a difficult product decision and how you approached it.
Sample answer
Can you describe a product you successfully brought to market and the role you played in its development?
Certainly! I was the lead Product Manager for a mobile application aimed at helping small business owners manage inventory and sales in real-time. Here’s how I contributed to its development:
- Market research: Initiated the project with thorough market research to identify the specific needs of small business owners and existing gaps in the market.
- Vision and strategy: Developed the product vision and strategy, aligning it with business goals and user needs. This included defining the value proposition and key features that set us apart from competitors.
- Cross-functional leadership: Led a cross-functional team including designers, developers, and marketers. I facilitated collaboration and communication across teams to ensure alignment with the product vision.
- MVP development: Directed the development of the Minimum Viable Product (MVP), focusing on core functionalities that addressed the primary user needs identified earlier.
- User testing and feedback: Organized multiple rounds of user testing and adjusted the product based on feedback to better meet user expectations.
- Go-to-market strategy: Worked with the marketing team to develop a go-to-market strategy, which included targeted marketing campaigns, partnerships, and launch events.
- Launch and iteration: Oversaw the product launch and used data-driven approaches to iterate on the product, enhancing features and user experience based on user data and feedback.
The product was well-received, achieving a 25% higher adoption rate than projected, and significantly improved the operational efficiency of our users.
How do you prioritize features for development and handle requests from various stakeholders?
Prioritizing features involves balancing various factors such as business impact, customer value, and resource availability. Here’s my approach:
- Gather input: Collect feature requests and feedback from all stakeholders, including customers, sales, marketing, customer support, and development teams.
- Evaluate impact and effort: Assess each feature’s potential impact on user satisfaction and business goals, and the effort required to develop it. This is often done using scoring models like RICE (Reach, Impact, Confidence, Effort).
- Prioritization framework: Use a framework such as MoSCoW (Must have, Should have, Could have, Won’t have this time) or the Kano model to categorize and prioritize features.
- Stakeholder alignment: Regularly communicate with stakeholders about the prioritization decisions and rationale. This involves explaining trade-offs and how prioritization aligns with the broader product strategy.
- Roadmap planning: Integrate prioritized features into the product roadmap, ensuring a balanced allocation of resources towards quick wins, major enhancements, and innovation.
Tell us about a time when you had to make a difficult product decision and how you approached it.
In a previous role, I faced a challenging decision regarding whether to continue supporting an older version of our software which a significant portion of our user base still used, or to phase it out in favor of advancing the technology of newer versions.
My approach involved:
- Data collection: Gathered usage data and conducted a survey to understand how many users were affected and how they used the older version.
- Impact analysis: Analyzed the cost of maintaining the older version versus the benefits of focusing resources on the newer versions, including potential improvements in performance and security.
- Consultation with stakeholders: Discussed the findings with key stakeholders, including technical leads and customer support, to gauge the internal and external impact of either decision.
- Decision: Decided to phase out the older version but implemented a comprehensive transition plan that included user notifications, detailed timelines, and support for migrating to newer versions.
- Communication and support: Communicated transparently with affected users, providing clear reasons for the decision and detailed support throughout the transition.
This decision was difficult due to its impact on a loyal segment of our user base, but it was necessary for technological advancement and improved security. The thorough, data-driven approach and clear communication helped ease the transition for users.
For Front-end developer
Can you discuss your experience with responsive design and provide examples of challenges you’ve faced?
How do you ensure your code is maintainable and scalable when working on a large web application?
What are the most important considerations when optimizing a website for performance?
Sample answer
Discuss your experience with responsive design and provide examples of challenges you've faced.
Certainly! My experience with responsive design spans several years, where I've focused on creating websites that provide an optimal viewing experience across a wide range of devices. Here are some key aspects of my experience and the challenges I've encountered:
- Fluid layouts: I have extensive experience using fluid grid layouts that utilize percentages for width instead of fixed pixel widths. This approach helps ensure that the layout adjusts according to the screen size.
- Media queries: I frequently use CSS media queries to apply different styles based on device characteristics, such as screen width, orientation, and resolution.
- Flexible media: Ensuring that all media on the site, such as images and videos, are flexible and adjust to various screen sizes has been a crucial part of my work.
Example challenge: One specific challenge I faced was with a complex web application where the legacy codebase wasn't built for responsiveness. I tackled this by incrementally implementing responsive design components, starting with the most user-visited pages. I refactored the existing CSS and HTML, introducing media queries and flexible grid layouts, which significantly improved the user experience on mobile devices.
How do you ensure your code is maintainable and scalable when working on a large web application?
Maintaining and scaling code in large web applications is critical. Here’s how I approach this:
- Modular coding: I use modular coding practices, such as BEM (Block Element Modifier) for CSS, which helps in organizing the stylesheets in a way that is reusable and easier to maintain.
- Component-based architecture: Utilizing frameworks like React or Vue, I build reusable components that encapsulate specific functionalities. This not only makes the codebase more organized but also enhances scalability as components can be reused and updated independently.
- Code review and documentation: I am a strong advocate for code reviews and thorough documentation. Regular code reviews help catch issues early and keep the code quality high, while good documentation ensures that new developers can understand and contribute to the project quickly.
- Automated testing: Implementing unit tests and integration tests to cover key functionalities of the application ensures that the codebase remains stable and scalable over time.
What are the most important considerations when optimizing a website for performance?
Optimizing a website for performance is crucial for user retention and satisfaction. Here are the key considerations:
- Minimize HTTP requests: Reducing the number of resources the browser needs to fetch can significantly improve load times. This can be achieved by combining files, using CSS sprites, and streamlining the number of elements on each page.
- Optimize and compress images: Since images often account for most of the downloaded bytes on a web page, optimizing images can lead to significant performance improvements. Using formats like WebP, JPEG 2000, or JPEG XR and ensuring images are not larger than necessary are crucial steps.
- Use of CDN: A Content Delivery Network (CDN) can distribute the load, save bandwidth, and speed up access to your website by serving files from locations closer to the user.
- Efficient CSS and JavaScript: Writing efficient CSS and JavaScript is vital. For CSS, avoiding complex selectors and for JavaScript, minimizing DOM manipulation can improve performance. Also, ensuring that JavaScript is loaded asynchronously so that it does not block rendering.
- Leverage browser caching: Setting up proper caching policies can make a substantial difference in load times for repeat visitors. This involves specifying how long web browsers should keep images, CSS, and JavaScript stored locally.
- Critical rendering path optimization: Optimizing the critical rendering path involves prioritizing the loading of content that is necessary for immediate interaction with the user and deferring other less critical resources. This can be achieved by inlining critical CSS and deferring the loading of non-critical JavaScript.
By focusing on these areas, I ensure that the websites I develop are not only functional but also optimized for speed and user experience.
Review
Let’s review the lesson with teacher
Know some common interview questions & learn how to answer them
Some questions for each role, then prepare by yourself for next lesson (mock interview)
Tips of preparing for an interview
See you next lesson
Homework
Do homework
Please prepare your answer with common questions
And practice with teacher in next lesson (a mock interview)
