Need add registration html website jobs

I'm seeking an experienced web developer ...serene blue color scheme to match the tranquility of my yoga classes. Your design skills should reflect in creating an appealing interface that resonates with users. - Payment Integration: Paytm should be integrated for payment processing. You should have prior experience in integrating payment gateways and ensuring user data security. - Functionalities: The page should enable online class registration and display the class schedule. Alongside, it should have a testimonials section where clients can share their experiences. Experience in designing and implementing these features are necessary. Please bid only if you have a good understanding of these needs and can deliver a tailored solution. Your previous work samples will be high...

I'm looking for a skilled Prestashop developer to help me convert my existing website from HTTP to HTTPS. - You should be familiar with the Prestashop version 1.5.4.0 - You need to have solid experience in SSL certificate installation - It's essential that you can configure the website to redirect all HTTP traffic to HTTPS The project is relatively straightforward, but attention to detail and understanding of security implications are crucial. Please note that only some pages need to be secured using HTTPS; these include the login and registration pages, the checkout and payment pages, and the user profile and account settings pages. Your role will be to ensure a seamless transition from HTTP to HTTPS across these specified pages, without cau...

I'm looking for a skilled PHP developer to help me with my modern and sleek jewellery site. Key Requirements: - Product Catalog & Search: The website should have a robust catalog for displaying all our jewellery items. Customers should be able to search for items based on various filters such as price, category, and more. - Shopping Cart & Checkout: A seamless shopping experience is crucial. The shopping cart should be user-friendly and the checkout process should be simple and secure. - User Registration & Login: To enhance user experience, the site should allow users to create accounts, log in, and manage their profiles. This is essential for tracking orders, providing personalized recommendations, and more. Ideal Skills & Experience: - Proficiency i...

Hi Mdjuyel M., Thanks for reaching out. I have a logo namely Early Birds which is for a 6am class for our crossfit gym. In this logo are several different birds - What I would like is to change the Wonder Women bird to the Gladiator bird. I will send all the files.

I'm in need of a junior Java developer to assist me in developing a web-based application for my personal use. This will be a great opportunity for someone looking to gain experience in application development. - Key Requirements: - Proficient in Java, C#, HTML, Javascript programming language - Understanding of web-based application development - Ability to troubleshoot and debug code Previous experience with Java, C#, HTML, Javascript is a plus. My main goal is to collaborate and share ideas with someone who shows initiative and creativity. Looking forward to working with you!

...has already been generated and there is a download link on another page of the site) * Add generation of an invoice for using the site in pdf form (the form will be provided) with saving on the pages in the admin panel and on the user page. * Edit the account pages created in the admin panel, add a filter by user, month, account status and account number (these fields have been created, you just need to display them on the page). It should be possible to delete and download invoices, both individual documents and all at once. * There are 2 fields created on the site (tariff payment and number of contacts). You need to make sure that these fields are also displayed in the mobile version of the site and add statement generation for these fields. * Se...

I am looking for a mid-level QA Tester from India, with experience in both mobile and web applications. The ideal candidate for the job should have: - Experience in testing iOS and Android platforms, as well as web portals - Capable of performing functional and design testing - Proficient in testing user registration, login/authentication, and other functionalities as per the logic - Ability to carry out thorough functionality testing as per the given requirements - Ability to report bugs and issues in the Google Spreadsheet with proper description and snapshots Please note that mid-level experience is a must for this role. The chosen candidate is expected to ensure the quality and performance of our mobile app and web portal.

I’m in the process of developing a GUI for a hospital management system and need an expert hand to assist. Unfortunately, due to a lack of specific functionalities requested, I would advise that potential applicants should be versatile and experienced in building comprehensive systems. Ideal Skills and Experiences: - Past work on similar applications, especially in the healthcare sector - Basic functionalities such as user registration, appointment scheduling, and billing and payments - Creation of clean, intuitive, user-friendly graphic interfaces Despite not specifying the desired operating systems, experience in making software compatible with Windows, macOS, and Linux would be a definite plus. Get in touch with your CV, past work references, experience, and det...

I need a WordPress site built, replicating the functionality of https://constructionkart.in. This is an e-commerce website that sells construction tools, building materials, as well as bath and kitchen items. The site must include: - A product listing feature that has comprehensive details on each item. - Shopping cart functionality that allows users to add and manage items they wish to purchase. - User registration and login mechanisms to enable easy sign-up and returning customer access. - A product search feature for quick item locating. - Product filtering to allow users to narrow down their search based on specific criteria. - A payment gateway integration for seamless and secure online transactions. Ideal freelancers for this job should have: - Proficien...

...application and a website for my project which require membership registration as the core functionality. The specifics of the project include: - User Profile Creation: Users should be able to create personal profiles. - Login and Authentication: A secure, confidential, and efficient login and authentication system needs to be integrated. - Membership Levels and Permissions: Different levels of membership should be included with tailored permissions. Ideal skills for this project would be proficiency in both app and website development, a strong understanding of membership systems, user authentication and authorization tactics, and experience in creating user-centric interfaces. Knowledge of GDPR and other related user privacy laws would be a bonus. This is for a...

As a website owner with an aim to create an interactive online community, I'm looking for a skilled web developer able to implement e-commerce, user registration and login, as well as a content management system on my site. This site will not only serve as a platform for community building, but will also facilitate the sharing of user-generated content and private messaging between users. Key responsibilities: - Implement e-commerce functionality to enable users to purchase products or services. - Develop user registration and login system to allow users to create accounts and access personalized content. - Integrate a content management system to enable easy editing and updating of site content. The successful candidate should have: - Proven experience in full-...

...a design that is clean and modern. Key website features should include: - User Registration and Login: Applicants should be able to create personal profiles with ease, ensuring quick access to the trading card marketplace. This enables users to post their requests, of cards that might not be available in common markets and or post them with their desired value( Looking for X card for $$) ( Looking for X card graded with XX uploading a picture of demanded card....) - Card Posting and Searching: Users need the ability to post cards they're offering or seeking. An efficient searching mechanism is also crucial for streamlined navigation through various card categories( search can be region based for shipping purposes in alpha version's of the website...

Two-Month Requirement List • APP User Login o User Registration: Users register their accounts independently, set passwords, and provide relevant email addresses. o User Login/Logout: Users log in and out by entering their passwords, and support login via TG accounts. o Permission Setting: Set user function permissions, menu permissions, button permissions, data permissions, etc., and set related user roles and user levels. o User Instructions: User agreement and privacy policy. • User Profile and Settings o Personal Profile Management: Users can create and edit personal profiles, including nicknames, avatars, and personal signatures. Set personal privacy options to control who can view their profiles. o Account Security: Provide strong password policies ...

I am looking for a skilled web developer to build a professional and corporate e-commerce website. The primary requirements include: - Implementation of e-commerce capabilities to allow for online transactions. - Integration of a user registration and login system to provide a personalized experience for users. - The website should be designed with a professional and corporate aesthetic in mind. While the site doesn't need to be fully optimized for mobile devices, it should work well on desktops. Ideal skills for this job include proficiency in e-commerce web development, experience in user registration systems, and a strong portfolio of professional and corporate website designs.

I have an informational website that urgently needs speed optimization. The goal is to remove unnecessary code and CSS, convert the header and footer to PHP and fasten the download speed. Key focal points: - Prioritize the home page, product/service pages, and the contact page for speed enhancement. - Be mindful to sustain the overall HTML structure without specific design alterations or functionality losses. Ideal skills for the job: - Proven experience with HTML, CSS, PHP, and website speed optimization. - Detail-oriented with a strong understanding of download speed issues and solutions. - Previous experience working on informational websites would be a plus. Please bid if you can deliver a quicker, smoother website while retaining its informatio...

...an Ethereum-powered case opening/battle site. The main objective of this project is to create an engaging and unique site that can attract users. Key Features: - Real-time battle simulation: This feature is essential for the site to provide an immersive user experience. It should be engaging, interactive, and able to handle a high volume of users simultaneously. - User authentication and registration: The site should include a secure and efficient authentication system to protect user data and ensure smooth user experience. - Secure payment system: As this project is Ethereum-powered, a secure and reliable payment system is crucial. This system should be able to handle cryptocurrency transactions securely and efficiently. Ideal candidates for this project will have: - Prio...

I require to have an HTML editor developed for my professional use. This position is urgent and needs to be completed within the next 6-7 hours. Key Features: - The editor should support code highlighting. - The editor will be used primarily for professional development. Requirements: - The editor should be able to support CSS and JavaScript, in addition to HTML. Ideal skills and experience for this job: - Proficient in HTML, CSS, and JavaScript - Experience in creating custom editors - Ability to deliver within a tight deadline.

I need a script that will convert any html div to pdf (and download).

I am in need of an e-commerce expert to help me establish an engaging, efficient, and user-friendly online store specializing in women's products. The platform should not only be aligned with the GCC market dynamics but also leverage cutting-edge e-commerce strategies to ensure seamless user experiences. Key Responsibilities: - Debunk complexities of setting up an online store from scratch. - Infuse the platform with user account registration and advanced search functionalities. - Build an easy-to-navigate size chart for each clothing product. - Develop multiple website sections for different product categories. Ideal Skills and Experience: - Extensive experience in e-commerce website development and the GCC market. - Proficiency in user interface design...

We are thrilled to announce that...upload to the contest entry so that we can pay you Reward Scheme: First Place: The person who asks the most interesting question will receive a reward of $100. Second Place: The second-best question will earn a reward of $50. Third Place: A reward of $25 will be given to the third-place question. We value your engagement and look forward to your insightful questions during the webinar! Registration Link: You are invited to a Zoom webinar. When: Apr 20, 2024 01:00 PM Eastern Time (US and Canada) Topic: Revolutionizing Real Estate Transactions! -- Register in advance for this webinar: After registering, you will receive a confirmation email containing information about joining the webinar.

I'm in need of an expert in app development and web design. I am seeking a resourceful team or individual to create an application and a corresponding website that facilitates competition tracking and registration, primarily serving spectators, riders, and competition organizers. Key Project Features: 1. User Profiles: The app/website should accommodate three types of users - spectators, riders, and competition organizers. 2. Registration Process: During registration, the system must collect the user's name, email, and date of birth. For riders, there should also be an option to enter their license number, which will have to be linked to a database provided by me. For those without license numbers, an alternative registration p...

I'm looking for a talented graphic designer to help me with my existing HTML CSS site and emails. The PHP developers have recently made some adjustments to the template which caused some issues with the layout. I need someone to fix the broken layout, realign any misaligned elements and improve the current design. Key responsibilities: - Rearrange the layout of the existing HTML and css - Fix broken layout and misaligned elements - Enhance the overall design Ideal skills and experience: - Proficiency in HTML and CSS - Experience with graphic design - Ability to fix broken layouts - Good eye for design aesthetics and layout - Familiarity with email best practices (add one click share options with the help of our developer)

I need a skilled developer to create a website that will serve as a platform for managing and tracking services. The website will primarily target business clients, and as such, must be professional and user-friendly. Key Features: - User Registration and Management: The website should allow for easy registration and management of user accounts. It should have a secure login system and options for account customization. - Service Management: The core function of the website will be to manage and track services. This will involve the ability to add, edit, and view services in a clear and organized manner. - Tracking and Reporting: The website will need to have features that allow for the tracking and reporting of custome...

I'm looking to hire an experienced web developer to create a website that caters to professionals. The main goal of this website is to provide information, so it will not require e-commerce capabilities. Key Features: - User Registration and Login: The website should have a user registration and login system to allow professionals to create their accounts and access specific content. - Search Functionality: A robust search functionality is crucial to help users easily find the information they are looking for. Target Audience: The target audience for this website is professionals. It is vital that the design and functionality of the website can cater to the needs and expectations of this demographic. Ideal Skills and Experience: - P...

...Valley based early-stage tech startup that is branching out into the event marketplace. My vision is to create a user-friendly platform that caters to everyone, disregarding their age or professional background. I am looking for an exceptional UI/UX designer who has a commendable portfolio and prior experience in creating distinctive and interactive designs. Specifically, the website should incorporate: - User Registration and Login system - Advanced search and filter mechanism for seamless navigation - Capability to list and provide details about the various events In terms of aesthetics, I'm leaning towards a calm and grounded visual experience. Hence, a design utilizing neutral and earth tones would just be perfect. Our model design is essentially like Airbnb. ...

...for both Android and iOS. Key Features: - User login and registration system: Users will be able to create accounts and log in securely, we already have an api for that. - Push notifications: I need transactional notifications to be sent to users. These will include updates on orders and account activity. - Frontend Development: I have the design for the app ready. Your responsibility would be to translate this design into a functional frontend. - API Integration: The app needs to be connected to our existing API (Django rest framework). This is crucial for the app's functionality. Ideal Skills and Experience: - Proficient in Django: Our API I need someone who has solid experience in Django rest... - Proficient in Flutter: I need someone who has solid ...

I urgently need an expert in HTML and link analysis who can deeply examine the outbound links on my website. The main focus areas will be: - Anchor text: I need to understand the text used in creating these anchors and how they affect my site's SEO. - Target URLs: Analysis of the target URLs and destination of these outbound links is vital to this project. - Commands: I am interested in understanding the commands used to create these links, and how they function. Turnaround time is extremely significant due to the urgency of this project. Ideally, someone with a background in HTML, SEO, and web development would be perfect for the job. Please only bid if you can start immediately. *** HERE IS the link and what I NEED: ****

I'm in need of a skilled and experienced WordPress developer to help me set up WooCommerce and Dokan with my paid theme, E-commerce Marketplace Pro. Below are the specific requirements and details for this project: - **Theme and Plugins Setup:** I will need help with the setup of the E-commerce Marketplace Pro theme, WooCommerce, and Dokan. - **Feature Implementation:** The main features I want to implement on my eCommerce marketplace include: - Product Search and Filtering: Customers should be able to easily find products on the platform through a search function and filters. - User Registration and Login: Users should be able to create accounts on the marketplace, log in, and manage their profiles. - Payment Gateway Integration: I'd prefer to u...

Implement the given algorithm in javascript and HTML for visualization

The objective of this assignment is to develop a comprehensive database system. The Database should support, among others, member registration, subscription tracking, member services management, and trade references. The system should facilitate data import from Excel and accommodate online and offline accessibility based on the user’s capacity to meet online hosting costs. Member Registration: Develop a module for member registration capturing key details such as Name, address, and any other contact information. Village, group, area, district, province, sub-group affiliation (e.g., Study circle, VSLA, commodity association etc.) Demographic information (age, gender, household size, etc.) Implement functionality to adapt and import member data from Excel sheets...

I'm looking to build an interactive car selling website. It should be a platform where users can browse, search and list vehicles for sale. Key Features: - Search Functionality: The website must have robust search capabilities that allow users to filter by make, model, year, price range, etc. - Vehicle Listing Page: Each vehicle should have its own dedicated page with all relevant details and images. - User Registration and Login: Users should be able to sign up, create profiles, and manage their listings. Shopping Experience: - The purchase process will be facilitated directly on the website, with all necessary functionalities for transactions and user verification. Design: - I don't have a specific design in mind, so I'm open to suggestions ...

I have a JSON file containing form data that I need converted into both HTML and PDF. The PDF version should be static, without interactive elements. - The conversion process can be done manually, using HTML and PDF editors, or automatically, for which you can suggest a suitable script or tool. You're also welcome to combine both methods if you believe it would be more efficient. - The HTML output should be easy to read and navigate. The PDF should retain this readability in a static format, making it suitable for printing and viewing but without interactive features. - You will have creative control over how to best represent the JSON form in these two formats. The end goal is to make the content accessible and user-friendly. I'm looking for a pr...

●Platform Compatibility - Available on iOS and Android ●User Registration/Initial Setup - Users must set their Gender, Age, and City upon first launching the app ●Weekly Interaction - Users are presented with 7 questions to answer each week - Users have the entire week to respond to the questions - All responses are compiled and statistics are posted in the app every Monday ●App Sections - Section 1: Current Week's Questions - Section 2: Previous Week's Statistics - Includes a "Share" button to post statistics to Facebook, Instagram, Messenger, and other social media platforms - Section 3: Settings (allow users to update Gender, Age, City) ●Admin Features - Admin can input new questions each week for the users ●Notifications - Users r...

I am on the hunt for an experienced web developer to create a website specifically for residential real estate. This involvement will require extensive understanding and expertise in both back-end and front-end development. Key Responsibilities: - Develop a user-friendly interface to allow property search, user registration, and property listings - Ensure all functionalities are performing smoothly and efficiently. Ideal Candidate Skills: - Experience in creating other real estate platforms, with proof by showing past work - Knowledge in property search algorithm development - Proficient in user interface designing and user experience Key Features 1. Direct Listing: Property owners can list their properties for sale or rent directly on the platform, complete with prop...

I'm in need of an expert in app development and web design. I am seeking a resourceful team or individual to create an application and a corresponding website that facilitates competition tracking and registration, primarily serving spectators, riders, and competition organizers. Key Project Features: 1. User Profiles: The app/website should accommodate three types of users - spectators, riders, and competition organizers. 2. Registration Process: During registration, the system must collect the user's name, email, and date of birth. For riders, there should also be an option to enter their license number, which will have to be linked to a database provided by me. For those without license numbers, an alternative registration p...

I'm planning a community app. Users should be able to register in this app (email + password, Google, Facebook, etc.). In addition, the user should be able to create a small profile, e.g. with photo, location, nickname. Registration via email + password must be confirmed via double opt-in. The app should be able to access the device's contact lists. Now the user can create a new thread. In this he enters the following information: - Message part 1 (public) - Message part 2 (not public) - Recipient - Date The recipient (from the existing contacts, or an individual entry, e.g. telephone number or email) then receives a message via internal private messaging (if the recipient is also logged in to the app), SMS or, if known, via email. If the notification is sent via ema...

I am in need of a skilled web developer proficient in WordPress to create a website for my coaching institute. The main features needed for this site are course information and online registration. Key Requirements: - The site should be developed on WordPress platform - It should be designed with an e-commerce theme, suitable for a coaching institute - The site should provide a clear and detailed information on the offered courses - It should include an online registration system for potential students I plan to offer less than 10 courses on the website, so the design needs to be clear, concise and easy to navigate. It's important that the site is visually appealing, user-friendly, and responsive on all devices. Prior experience in developing simi...

I'm looking for an Android developer to create a mobile app focused on Cyber Security. The app will need to have essential features such as login/registration and push notifications. In addition, it should integrate with external APIs. Key requirements: - Android app development experience - Proficiency with integrating external APIs - Familiarity with cyber security Your primary goal will be to deliver a secure, user-friendly, and well-integrated app for the Android platform. Please provide a brief overview of relevant projects you have worked on in the past.

I need a professional web developer to help me create a website for my Capital Markets Advisory business. - The website should have a professional, modern design that reflects the financial industry. - It is crucial that the site efficiently showcases our services for clients seeking to access capital markets. Additionally, I need help in the following: - Securing a domain name that is suitable for my business and easy for clients to recall. - Setting up a professional email address for the business that enhances my credibility with clients. Ideal skills and experience for this job include: - Proficiency in web development with a portfolio of financial or advisory websites - Knowledge of domain registration and email setup - Prior experience worki...

I'm seeking a proficient developer to create a unique opinion collection app without a user registration feature. The primary aim of this app will be to collect user opinions on specific topics while maintaining the anonymity of the users. The interface should be user-friendly and intuitive to encourage consistent engagement. Key Features: - Anonymous opinion sharing - User-focused, simple design - Topic-specific opinion collection The ideal freelancer for this project would have a strong background in mobile app development with particular experience in creating apps that revolve around anonymity and user-generated content. A good understanding of user interface design would be appreciated. Your input on ways to enhance the user experience will be vital, so I value effect...

I'm looking for a skilled web developer to design a movie ticket booking website as part of a college mini-project. This project requires: - A user registration and login feature, allowing regular users to create accounts. - A schedule section showcasing movie showtimes. - A booking system for selecting and reserving seats for a specific showtime. - Gantt charts, SRS document, COCOMO calculations, github experience Ideally, candidates will have experience with e-commerce sites and may suggest additional features to improve user experience. Prior experience with similar projects will be heavily favored.

...platforms. Key Features: - User Registration: The app should have a seamless and secure registration process for users to sign up and participate in tournaments. - Match Scheduling: The app should allow for efficient scheduling of matches, ensuring a smooth and organized tournament experience. - Leaderboard: A comprehensive leaderboard for tracking and displaying participants' progress and rankings. - Live Streaming: The app should support live streaming functionality, allowing for real-time viewing of tournament matches. Ideal Skills: - Proficient in web development with experience in creating mobile apps. - Strong knowledge of Android and iOS platforms and their respective development environments. - Experience in integrating features like user registration...

I'm seeking expert app developers capable of creating a comprehensive e-commerce platform for iOS and Android devices. Key functionalities required are: - User registration and login capability - A detailed product listing and search function - The ability to add items to a shopping cart and proceed through checkout Ideally, I need someone experienced in integrating payment gateways into apps, as this will be a crucial part of ensuring a seamless user experience. Prior experience in e-commerce app development is highly desirable. Developers need to showcase their ability to create easy-to-use interfaces that facilitate a rewarding buying experience for end users.

We are currently working on an exciting project and are in need of a freelance service for the development of an ESP32-based solution. PART OF THE PROJECT AND SOME PARTS OF ITS CODES ALREADY BEEN DONE. I'm seeking a talented IoT engineer for the development of an industrial Internet of Things (IoT) monitoring and control device. This project will focus on managing and controlling energy consumption and environmental aspects at a property-level precision in an industrial setting. Key Job Responsibilities and Deliverables: - Design and develop an IoT device capable of monitoring, controlling and analyzing energy consumption and environmental management for an entire property. - Implement IoT solutions with MQTT, AWS, LoRaWan & Datalogger technologies. - Establish industria...

I'm seeking a skilled professional capable of converting GPT chats with code samples into interactive, running HTML pages. This project requires: 1. Expertise in HTML, JavaScript, JSON, GitHub, retrospective mobile display and the use of ChatGPT. 2. Proficiency in transforming chat scripts with intermediate level programming concepts into functional code. 3. The ability to generate dynamic HTML pages from these chats, complete with buttons that trigger specific code executions. This is aquick and challenging, yet rewarding task for those interested in innovative ways of transforming GPT chat conversations into executable, interactive web pages. Result will be stored as a github project, We will send invitation to awarded freelancer. Current budget is 62$+...

We have partially designed the website and dashboard on Figma already, nearing completion for the platform and some changes may require. We aim to seamlessly incorporate IoT monitoring and control system into our website, requiring full development of an interactive website with a focus on safety, security, and speed. There will be different clients like admin, super admin and different clients etc. I require the design and development of a robust IoT platform that includes dynamic dashboard capabilities, using and Node.js technologies. Key Features Required: - Real-time data monitoring controls and device management for continuous tracking. - Data visualization interface for presenting data in a digestible format. - User-friendly 'Super Admin', 'Ad...

This is a small 3 or 4 page WordPress website. Skills needed: MySQL / AJAX / fetch / Axios / PHP / JavaScript - Registration & Profile Management page - User Data Entry Form with Data Entry History page - User Data search field page Site will need to integrate into a page builder (Oxygen) Be sure to View attachment for bidding instructions to avoid bid deletion.

I'm seeking an experienced app developer to create a comprehensive buy/sell application using Flutter, Firebase, optimized for both iOS and Android. Key skills include (but are not limited to) Flutter, Firebase, and cross-platform app development. Key Features: 1. User Registration: The app should include a straightforward login/registration process utilizing phone numbers. 2. Invite System: Users should be capable of sending invitations to join the app via SMS and Email. 3. Buy/Sell Functionality: The application must provide a platform where users can comfortably post items for sale, and permit other users to purchase these items. This should mirror established platforms such as OLX or eBay. Desired Functionality: - User-to-User Messaging: To facilitate the buy/sell ...

●Platform Compatibility - Available on iOS and Android ●User Registration/Initial Setup - Users must set their Gender, Age, and City upon first launching the app ●Weekly Interaction - Users are presented with 7 questions to answer each week - Users have the entire week to respond to the questions - All responses are compiled and statistics are posted in the app every Monday ●App Sections - Section 1: Current Week's Questions - Section 2: Previous Week's Statistics - Includes a "Share" button to post statistics to Facebook, Instagram, Messenger, and other social media platforms - Section 3: Settings (allow users to update Gender, Age, City) ●Admin Features - Admin can input new questions each week for the users ●Notifications - Users r...

... I will attach a link with the drawing to see everything that is needed for the application. The app's chief function is to provide a service, bolstered by several key features: - User account creation: The app should support an efficient and secure system for user registration and login. - Messaging system: An integral communication network that allows for direct messaging between users is required. - Ticket Scanning system: A robust ticket scanning algorithm implemented for service accessibility. Ideal skills for this project are Swift and Kotlin for iOS and Android respectively. Other necessary skills include a good understanding of backend development for handling