Real estate web page names jobs

...to create a scraper for Lazada. The ideal candidate must be skilled in web scraping and should reverse engineer API from mobile app because lazada blocks and throws captcha on web website is lazada . The script should work like i enter something in search box and it should scrape all the products from that search query Key Responsibilities: - Extract the following information: product names, prices, descriptions, stock, images, seller information, and product URLs. This list encapsulates the attributes you need to pay the most attention to. - Organizing the scraped data: The data, once scraped, must be organized in a well-structured CSV file. Ideal Skills: - Strong experience with Python. - Proficiency in web scraping tools. - Attention to detail to e...

...involves taking existing stock photos and replacing the sunglasses with our own design. Key Requirements: - You will be provided with existing 3D renders and STEP files of our sunglasses, which you will integrate into the stock imagery. - The final deliverables should be in JPEG or PNG format and include native files. - The goal is to achieve a level of realism that is indistinguishable from a real photo. Deliverables: - I'm looking for 5-10 final images created for two different sujnglass designs - Each image should showcase the sunglasses being worn in a natural and appealing way, with the highest level of realism possible. Ideal Candidate: - Proficiency in graphic design and photo manipulation software. - Experience in creating photorealistic images. - Ability to work...

,.I am looking for a skilled developer to create a comprehensive e-commerce website for my physical products using the Flutterand Vue.js framework. Key Requirements: - Development of an 2 page website in flutter that allows users to navigate to Sign In page . - Backend API's will be provided by us Ideal Skills and Experience: - Proficiency in Vue.js and Flutterframework. - Experience in developing Interrative websites - Should have good knowledge in UI/UX For more details Refer Doc ,.

I am looking for a skilled developer to create a comprehensive e-commerce website for my physical products using the Flutterand Vue.js framework. Key Requirements: - Development of an 2 page website in flutter that allows users to navigate to Sign In page . - Backend API's will be provided by us Ideal Skills and Experience: - Proficiency in Vue.js and Flutterframework. - Experience in developing Interrative websites - Should have good knowledge in UI/UX For more details Refer Doc

I need a proficient freelancer that can regularly update my Google Sheet with specific sales data on a daily basis. The sales data to be updated includes: - Revenue - Units sold - Product names Importantly, I need someone who can create comprehensive sales reports from this data. These reports should be presented in a chart format. Ideal Skills and Experience: - Strong proficiency in Google Sheets - Experience with sales data analysis and reporting - Excellent in chart generation and data visualization In conclusion, I seek an individual who can turn raw data into insightful charts, for better management of my sales operation. Regularity and accuracy are crucial for this task.

...Typescript, Tailwind CSS, and Next.js. The primary objective is to craft an appealing landing page that blends flawlessly with my existing website. • The landing page must feature a testimonials section. The specific type of testimonials to be incorporated will be discussed later. • Freedom is given for design, in that I want a fresh concept created for this project, rather than sticking to the existing branding guidelines. Ideal Skills & Experience: • Mastery of Typescript, TailwindCSS, and • Excellent design and layout skills, capable of creating a new design concept • Familiarity with integrating landing pages into existing websites • Experience incorporating testimonials into a web design would be a plus. Thi...

I'm seeking a skilled telecaller to primarily focus on sales. The emphasis will be on selling real estate, particularly aimed at residential property sellers. Required Skills and Experience: - Previous telecalling experience, ideally in real estate. - Proven track record in sales, with a strong ability to convince and persuade. - Excellent interpersonal and communication skills. - Knowledge of the real estate market and understanding of the needs of residential property sellers. - Ability to meet sales targets and work under pressure. Responsibilities: - Reach out to potential residential sellers to explain and sell our real estate offerings. - Generate leads for potential sales targets. - Maintain a comprehensive record of al...

I'm looking for detailed customer information specific to Tata Motors and Ashok Leyland in Chhattisgarh. The end goal is an in depth market analysis. This will require the collection of: - Customer names - Contact details - Purchase histories - Consumption data of Adblue urea The sources of information for these can be diverse, but accuracy is crucial. Past experience with similar research or in the automotive sector is highly preferred. Proficiency in using different tools/platforms to retrieve info and data analysis will also offer an advantage for this job.

It is necessary make some simple changes to a project management application made in Laravel. The change are: Please answer only if have experiences in project management software. And show my the url of similar job made because I don't asign the job without see the real competences

...practices to keep our content fresh and engaging. What You Bring: Proficiency in Canva is a must. A strong portfolio showcasing your design skills and creativity. Attention to detail and a keen eye for aesthetics. Excellent communication and teamwork skills. Ability to work efficiently in a fast-paced environment and meet tight deadlines. Join us in shaping the future of our brand and making a real impact in the digital space! If you're ready to unleash your creativity and be part of a dynamic team, we want to hear from you. Apply now with your portfolio and let your designs speak for themselves!...

I need this image ready to be used as a hero image for an Amazon product. Please make it the correct size, add a white background, and insert some potato fries into the blue bucket to simulate real food. The winner will be selected for ongoing work.

...would also assist in the development of a fintech API with specific features. Key Project Details: - Content Writing: The role would involve producing engaging, informative content specifically around the topic of fintech API, Payment processing, and software development. - API Development: The ideal candidate would be a skilled developer with experience in fintech API. Key features would include real-time data integration, payment processing, and user authentication. Payment Processing System Requirements: - Ability to accept multiple payment methods - Secure encryption for sensitive data - Integration with popular payment gateways Ideal Skills and Experience: - Proven experience in content writing on fintech topics. - Proficiency in fintech API development. - Strong underst...

...capability statement that explicitly showcases what our company excels at and the value we can bring to your construction projects. This document will target builders, and hence it should be tailored for this specific audience. Key Information to Include: - Previous Projects and Accomplishments: This should highlight our success stories and notable projects in the construction sector. Any big names we've worked with or significant milestones we've achieved should be articulated. - Company Background and History: A concise summary of our company's background and history. This should give an overview of our evolution, ethos, and what sets us apart in the industry. - List of Services Offered: A detailed list of the services we offer in the construction field. This sh...

I am looking for a skilled Wordpress developer to create a website 100% similar to Here are the specific requirements: - Incorporate live updates, news articles, and match schedules features. You should be able to efficiently integrate real-time update systems. - For this iteration, we will not include user registration or login. - Adopt a bold and bright color scheme to capture users' attention and inspire engagement. Experience in developing sports websites or news platforms will be a huge advantage. Proficiency in Wordpress is a must, and a portfolio that showcases similar projects is highly desirable. An understanding of sports and its trending updates will be beneficial. Creativity in design is appreciated, as we are aiming to create a vibrant and dynamic

I'm in need of a WordPress WooCommerce expert to develop an additional admin page for my website. The core functionality should be focused on price management within the product management section. Key Project Tasks: - Implement an admin page in my site structure - Create a price management module within this page The critical component of this page should be setting product prices. Your expertise in WooCommerce and understanding of admin panel functionality will be pivotal in this project. Ideal Skills: - WordPress and WooCommerce proficiency - Prior experience with admin page creation - Strong understanding of eCommerce price management I'm looking for a streamlined, efficient solution that allows me to control my product pricing...

I need a skilled developer to create a specialized iOS app for me. The app will allow me to access the target phone's live GPS location and view messages from messaging apps. Key Components: - GPS Tracking: I need to monitor the target phone's real-time location. This should be accurate and updated regularly. - Message Access: It's crucial for me to view messages from messaging apps on the target phone. This includes both incoming and outgoing messages. Key Features: - Stealth Mode: The app should be undetectable on the target phone. The target user should not be able to see that their phone is being monitored. - Secure Access: The app should provide a secure way for me to access the GPS location and messages. Only I should have access to this data. Ideal Skills an...

I've got numerous clients who've been wronged by vendors or companies and they'd like to get the word out by posting negative reviews. I'm looking for an experienced web developer to create simple yet effective landing pages for this purpose. Key Points: - **Purpose**: These landing pages are primarily to post negative reviews, but they should also be designed to attract readers. - **Layout**: I envision these pages to have a balance of text and images. It should be visually appealing and engaging. - **Functionalities**: - **Social Media Sharing Buttons**: It's essential to have these buttons so that the negative reviews can reach a wider audience. In terms of your skills and experience, I'd prefer someone who has: - Proven experience in ...

I'm in need of a lead generation expert focused on B2C marketing in the real estate industry. - Target Audience: My target audience is aligned with the real estate sector. - Lead Type: I'm specifically interested in generating leads related to farmland. - Geographic Focus: The leads should be from, Bangalore, Karnataka, India. The ideal freelancer for this job will have: - Proven track record in B2C lead generation, especially in the real estate sector. - Expertise in generating leads related to farmland. - Familiarity with the real estate landscape in Karnataka, India. Your work will be instrumental in helping me acquire quality leads in this niche, please share your relevant experience when bidding.

I am looking for an experienced graphic designer to create a visually appealing flyer for my real estate business. The flyer will feature both residential and commercial properties. Key Details: - The emphasis will be on property features rather than prices or contact details - You should have experience in real estate marketing or similar fields - A clean, professional aesthetic that aligns with the upscale nature of our real estate offerings is essential - Ability to convey property features attractively and succinctly is crucial Skills and Experience: - Proven graphic design skills - Experience with real estate advertising is preferred - Strong grasp of marketing & advertising principles - Ability to interpret and portr...

Facebook page marketing for 30 days with around 5 to 10000 followers per month regular post upload email marketing etc.

I am looking for a competent developer who can rapidly create a demo page similar to ''. The functionalities of this page should include: - Website vulnerability scanning - Threat analysis and security grading The critical aspect that the demo page should highlight is the threat analysis and security grading of website vulnerability scanning. As for the presentation of penetration testing results, they should be displayed in a textual format. Candidates should have strong skills and experience in web development, security grading, and vulnerability scanning. A thorough understanding of threat analysis is also crucial for this project. Your ability to effectively transform complex data into understandable textual narratives

I'm seeking a skilled plugin developer with a talent for creating detailed and lifelike online environments. The project involves working on a server plugin aimed at providing an authentic horse-related experience. Highlight Features: - Implementation of a highly detailed "Breeding" functionality. The plugin should simulate realistic genetics and pedigrees. Coding skills that accurately mirror real-life genetics are a must. - The "Horse Illness" feature. This should take into account various factors such as environmental conditions, the age and breed of the horse, and interactions with other horses. Experience with AI that can account for these dynamic variables would be ideal. - Additional features involving other realistic horse behavior, such as eat...

Hi First Page SEO, I noticed your profile and would like to offer you my project. We can discuss any details over chat.

I'm in the market for a skilled professional who can take the content provided in a Word document and transform it into a visually appealing, professional 4-page capability statement. Key Points: - I need this to be done in Word document format. - The primary goal of this capability statement is to attract new clients. Therefore, a visually engaging, professional design is essential. - You will be provided with the text that needs to be included, as well as any relevant images and the company logo. - The ideal freelancer for this job will have a keen eye for design, a clear understanding of what makes a document engaging and professional, and excellent skills in creating documents in Word. Please bid if you feel you have the necessary skills and experience to deliver a h...

... with expertise in WooCommerce, to create an app for my website. I need the app to function seamlessly on both iOS and Android platforms. Key features that I wish to incorporate include: - Customer Reviews: The ability for customers to leave feedback will provide invaluable insight and drive improvement. - Live Chat Support: This must be incorporated to enhance customer service and facilitate real-time assistance. Additionally, I need the app to integrate with third-party services such as: - Payment Gateway: To ensure secure and convenient transactions. - Shipping Service: For streamlined delivery processes. Ideal skills and experience include previous work with WooCommerce, proficiency in iOS and Android app development, third-party service integration, as well as creating c...

I'm looking for a knowledgeable freelancer who can create a mobile app on both Android and iOS platforms. Although I'm unsure about the specific functionalities needed at present, having experience with user authentication, in-app purchases, and real-time messaging will be highly beneficial. Your expertise and guidance will be highly appreciated in determining the key features necessary for a successful and user-friendly app. This project will require not only technical skills but also a creative problem-solving attitude. If you're up to the challenge, I'd love to discuss my project further with you.

...Expectations: - This report should provide a high-level overview of the current blockchain adoption trends in the marketing industry. It should not delve into case studies or predictive analysis, but rather provide a broad perspective on what's happening in the field. Structure: - I would like the document to be structured by adoption case. This means that the report should be structured around real-world applications and use-cases of blockchain in digital marketing, rather than by marketing channels or industry sectors. Skills and Experience: - Strong background in research, ideally with a focus on cryptocurrency and the marketing industry. - Experience in producing high-quality, succinct reports that distill complex information into manageable, informative content. - Un...

...practices to keep our content fresh and engaging. What You Bring: Proficiency in Canva is a must. A strong portfolio showcasing your design skills and creativity. Attention to detail and a keen eye for aesthetics. Excellent communication and teamwork skills. Ability to work efficiently in a fast-paced environment and meet tight deadlines. Join us in shaping the future of our brand and making a real impact in the digital space! If you're ready to unleash your creativity and be part of a dynamic team, we want to hear from you. Apply now with your portfolio and let your designs speak for themselves!...

Need to amend to speed up the loading. Page load slow when heavy. Amend on the flow. (3 issues only) Able to follow one by one. Work with ftp and start immediately.

I'm interested in building a robust, web-based Customer Relationship Management (CRM) app aimed at small to medium-sized businesses, as well as burgeoning startups. My expectation is a system that integrates three-fold functionality: • Coherent Contact Management: integration of an intuitive system to store and manage contact information. • Flawless Deal Tracking: A real-time, efficient system to track ongoing deals and future opportunities - very crucial for operations. • Advanced Email Tracking: A system that allows the tracking of sent and received emails, giving real-time updates and promoting efficient communication. In addition, the app should cater to finance, IT and HR operations, to facilitate seamless business activities. Developers adep...

...ordering platform that emphasizes on streamlining orders and deliveries. Primarily, the platform should be designed to : - Excel on both desktop and mobile devices ensuring a smooth customer experience on all interfaces. - Prioritize on real-time scheduling functionality that optimizes order fulfilment with exemplary efficiency. -Connect to Service Monster API -Use as payment gateway. Ideal candidates should possess profound expertise in AI coding specifically in enhancing online platform functionalities. Experience with building real-time scheduling systems is critical for this project. Furthermore, a strong background in mobile and desktop compatibility is essential. The aim is to create an ordering system that not only brings convenience to customers but also si...

I'm seeking a skilled professional to craft an Executive Summary for a substantial 120-page research report. This summary should be designed to appeal to a business executive audience. Key Requirements: - Concise Overview: The executive summary should succinctly encapsulate the key findings and recommendations of the full report. - Balanced Detail: While the summary should be accessible to a general business audience, it should also include some technical details and analysis to provide a comprehensive understanding of the research. - Audience Focus: The primary audience for this summary is business executives. As such, the language and content should be tailored to their interests and priorities. Ideal Skills: - Proven experience in writing executive summaries or similar hig...

I'm seeking a skilled professional to craft an Executive Summary for a substantial 120-page research report. This summary should be designed to appeal to a business executive audience. Key Requirements: - Concise Overview: The executive summary should succinctly encapsulate the key findings and recommendations of the full report. - Balanced Detail: While the summary should be accessible to a general business audience, it should also include some technical details and analysis to provide a comprehensive understanding of the research. - Audience Focus: The primary audience for this summary is business executives. As such, the language and content should be tailored to their interests and priorities. Ideal Skills: - Proven experience in writing executive summaries or similar hig...

I'm in need of a comprehensive AI bookkeeping script that can handle various crucial functions for my clients. We are a bookkeeping firm and handle 50+ clients. I'm looking for something somilar to botkeeper or integra. Key Requirements: - Seamless integration with QuickBooks and banking platforms for real-time data syncing. - Utilize machine learning to categorize bank transactions accurately, providing reliable financial insights. - Ability to reconcile bank transactions, ensuring the accuracy of financial records. - The system should send detailed financial reports via email, keeping stakeholders informed. - Additionally, the script should be able to handle amortization schedules and other related uploads. - A feature for journal entries based on additional uploaded i...

I have a WhatsApp service provider that provides chatbot and menu-based features. I'm looking for a freelancer to create an a...provides chatbot and menu-based features. I'm looking for a freelancer to create an adapter that can integrate a different service provider for live-chat on the same WhatsApp number. Key Requirements: - Develop an adapter for live-chat that supports real-time messaging, media file sharing, and chat history retrieval. - Ensure the chatbot dialog history can be passed to the live-chat as a transcript file. Ideal Skills: - Proficiency in Java, Springboot - Prior experience with WhatsApp service provider integrations - Strong understanding of real-time messaging and chatbot systems - Ability to ensure seamless data flow between chatbot dialog...

I need a skilled professional who can compile a comprehensive spreadsheet of massage and beauty therapists. The data will come from provided databases which include salon details. Key Requirements: - Compile names, addresses, and phone numbers from the databases. - Organize the data in the spreadsheet by type of service (massage or beauty). The ideal candidate for this job should possess: - Proficiency in data entry and management. - Excellent attention to detail to ensure accuracy in the information gathered. - Familiarity with Excel for organizing the data by type of service. - A good understanding of the beauty and massage therapy industry would be advantageous. Please note that the final deliverable should be in Excel format.

I'm looking for a skilled mobile app developer to bring my vision to life. The project involves designing and developing a minimalist mobile app that will have the following features: - User Registration: The app should allow users to create an account and manage their personal information securely. - Push Notifications: Implement a system that allows for real-time notifications to be sent to users. - In-App Purchases: Integrate a purchasing system within the app that allows users to buy additional features or content. I'm particularly interested in a minimalist design for the app. Clean, straightforward, and user-friendly design elements are key to the success of this project. So, experience with creating such interfaces will be a big plus. If you have the right skills...

I'm looking for an experienced developer who can create a system similar to Uber, with some distinct features and assist me with deploying it to Google Play and App Store. Key Features: - GPS Tracking: The system should include real-time GPS tracking to ensure accurate location services for users. - Payment Gateway Integration: A secure and user-friendly payment gateway is crucial for the smooth functioning of the app. - User Rating and Review System: An essential feature that allows users to rate and leave feedback on their experiences with drivers, ensuring quality control and trust. Desired Platforms: - Android & iOS: I need the system to be compatible with both Android and iOS platforms for a wider reach and user base. In addition, I'd like to implement a few c...

I'm seeking a skilled and experienced web developer to build a personal website with an exclusive audience limited to myself and invited friends. The main purpose is to allow a private, custom space for us to interact and share. Various features should be incorporated, including: - There will not be a front facing sign up page. Members will be created in an admin area. - Blog Posts: A space to share thoughts, updates, experiences, and ideas. - Photo Gallery: To upload and share images privately. - Chatroom: An area for real-time interaction. Note, this chatroom should only be accessible by invited friends. The ideal candidate will have previous experience in website development, including blog integration, photo galleries, and secure chatrooms, with a focus o...

...Python developer to build a desktop application that features a functional, interactive FaceSwap module. The application should effectively integrate both real-time and gallery import based FaceSwap options. Additional functionalities including voice capabilities and facial mirroring should also be implemented. The ideal freelancer would bring expertise within Python programming and a solid understanding of facial recognition and manipulation techniques. Knowledge in building desktop applications will be a great plus. Your responsibilities will include: - Developing an efficient Python-coded FaceSwap desktop application. - Ensuring feature of real-time FaceSwap and import from gallery FaceSwap. - Incorporating additional features like voice and facial mirroring. Your abi...

I'm in need of a sleek and professional website that will mainly serve as an online presence to display informa...Features: - Corporate Information Display: The website should effectively showcase our company's profile, services, and expertise in the technology domain. - Blog/News Section: Regularly updated blog or news section to keep visitors informed. - Contact Forms: Enable users to reach out easily with queries or collaborations. - Live Chat Support: Real-time assistance to enhance user experience and foster engagement. Skills and Experience: - Proficient in web development with a strong portfolio of corporate websites. - Previous experience in integrating blog or news sections on websites. - Skilled in implementing contact forms and live chat support for s...

...ORGANIZATION or a GROUP/TEAM OF DEVELOPERS preferably based in INDIA. This project needs URGENCY. Specific Requirements: Can develop and create a System/Plugin, or a ready-made System/Plugin that can connect to our SPM word press system that can handle the following: - Automatic comparing and suggesting freight prices with multiple couriers - Reduce time to generate consignments - Real Time tracking for all couriers in a single screen - Connect to all Australian Courier's API that we are currently using - Can ADD, UPDATE, and DELETE couriers - Manually printing of consignment Labels - Similar in functions to software's like Machship and the like Additional Requirements: - Proficiency on responsiveness of the theme and cross-browser compat...

I'm looking for a skilled individual who can help me read a file and extract specific data from it. Key Requirements: - Extraction of File names, File sizes, File creation dates, and messages stored in the DB file. - Ability to adapt to extracting all messages or specific ones, depending on my future needs. - Delivery of the extracted data in a Spreadsheet format, preferably Excel or Google Sheets. Ideal Skills and Experience: - Proficiency in reading and interpreting files. - Advanced skills in data extraction, particularly from database files. - Experience in delivering data in a spreadsheet format. - Flexibility to accommodate future changes in the extraction requirements. - Strong communication skills to clarify requirements and deliverables.

I am looking for an expert in real estate financial modeling to help develop a comprehensive model for a greenfield land site intended for industrial use in Australia. This model should be detailed and specifically tailored to the Australian market. Key requirements for this job include: - Creating an industrial development model. - Incorporating local taxes, government rates, and charges specific to Australia. - Factoring in location-based economic development incentives as part of the model’s tax considerations. - Incorporating a fixed annual increment for potential fluctuations in government rates and charges over the project's duration. Ideally, the successful applicant will have significant experience in real estate financial modeling, especi...

I need a skilled Wordpress developer to insert a specific page from a backup into my current Wordpress site's pages section. Key Tasks: - Identify the specific page from the backup: The page to be inserted is a custom one I had previously made. - Insert the page into the pages section of my current Wordpress site: The content on this specific page should be kept as is without any modifications. Ideal Skills: - Proficient in Wordpress: You should be well-versed with the structure and functionality of Wordpress sites. - Experience with page management: You should have prior experience with inserting and managing pages within a Wordpress site. - Attention to detail: It's important that the page is inserted accurately to ensure all c...

...project. Your advice will be critical in comprehending and overcoming challenges that arise. Key areas of interest will include: - Reviewing thorough technical drawings, predominantly with a focus on general layout. - Expertise in space planning. It's essential to my project that you can, not only understand the different potential spaces dimensions but can effectively apply that knowledge to real-world scenarios. - Providing expert advice on Statements of Works (SOWs) relevant to the project. My overarching goal during the completion of this project is to enhance my decision-making skills in space planning, getting familiar with a broader range of layout possibilities. The ideal freelancer would have extensive experience in interior design, specifically space planning....

I am looking for a designer to design a realtor flyer. The flyer is intended to represent luxury and wealth, targeting high-end clientele. It will primarily be used on online. Key Requirements: - Sleek and minimalist, yet im...Requirements: - Sleek and minimalist, yet impactful icon - Color scheme of deep navy blue and metallic gold - A representation of opulence and wealth Ideal Skills & Experience: - Proven experience in designing logos, especially for high-end brands - Proficient in color theory, particularly in creating a luxurious feel - Able to convey a sense of luxury through minimalist design - Familiarity with the real estate industry, a plus - Previous work that showcases a blend of symbolism and opulence I have attached a draft of the details I would like i...

I am in need of a skilled app developer to create a bespoke CRM mobile software that's user-friendly and appealing. This app will allow users to send/receive messages, add notes, and monitor progress of their cases or services. Key Features Include: - Real-time messaging: Let users engage with each other instantly. - File attachment: Incorporating a feature to allow file sharing. - Push notifications: To keep users updated. Moreover, the application will include a Subscription Services feature for monthly recurring payments. Lastly, it will need a Referral Tracking feature. The tracking should be capable of determining the source of each referral. The ultimate developer for this project will possess strong experience in IOS and Android app development, especially with CRM ...

I'm currently in search of a highly skilled LARAVEL developer to implement real-time row editing functionality on a data-table using Livewire. The successful freelancer must have extensive experience with PHP, Livewire, and complex data-table manipulations. Ideal skills and experience include: - In-depth knowledge of LARAVEL - Proficiency with Livewire - Experience in handling data-tables - Ability to implement real-time updates, specifically row editing When submitting your application, please include your past work showcasing your skills and experience in similar projects. This will help greatly in the selection process. Looking forward to viewing some fantastic proposals.

I'm looking for a basic React web page with side slide panels. This project is a proof of concept, so the side panels should be empty – they don't need to have any internal functionality other than opening and closing. The main goal is to create a clean, light-colored design that's responsive on both mobile and desktop devices. Key Requirements: - Simple, clean React web page - Two empty side slide panels - Light-colored design - Fully responsive on mobile and desktop Ideal Skills: - Proficiency in React - Experience in UI/UX design - Understanding of responsive design principles