Link building adult store jobs

...well as a lack of visibility and control over them. The selected freelancer is expected to help identify and resolve these issues to ensure a seamless codebase and dependency management. - Configuration, backing services, and build, release, run: I'm looking for an expert who can help me set up and manage my configuration and backing services effectively. You should be able to provide guidance on building, releasing, and running my application in a way that follows the 12-Factor App principles. - Processes, port binding, concurrency, and disposability: This aspect is crucial to the scalability and robustness of my application. I'm seeking a freelancer who can guide me on how to implement these processes correctly, manage port binding, handle concurrency effectively, and...

...visually appealing, user-friendly, and responsive across all devices. Utilize Webflow's functionalities to build interactive elements and animations Integrate seamlessly with other gateway Ensure website is optimized for search engines (SEO best practices). Maintain clear communication throughout the project and deliver high-quality work on time. Requirements: Proven experience building websites with Webflow (portfolio required). Strong understanding of design principles (typography, color theory, layout). Familiarity with responsive design practices. Excellent communication and collaboration skills. Ability to work independently and meet deadlines. Bonus Points: Experience working within the Engineering industry. Knowledge of ...

Hello. I am looking for help to build a Shopfiy store. 1) My business model is the same is this one: -- Speciality local items, souvenirs, food products and gifts from a well-known US state. Im interested in hiring someone who can provide the same or better level of quality, appearance, and professionalism as this site. 2) I have an existing WooCommerce site for a related business and want to transfer about 120 items over, which I have already done via CSV file, but it all needs to be fixed up and organized. I have photos, product descriptions, etc. I just need them to be transferred. 3) I would like the relevant integrations to be made, such as ShipStation, Omnisend, Google Ads, and a number of other apps and integrations to get the site fully functional

We are Flipsi Puzzles, an e-commerce store specializing in creative and original double-sided jigsaw puzzles. We're seeking a skilled Shopify expert with a strong background in website performance optimization. Our goal is to enhance our site's overall performance and loading speed and improve user experience. Responsibilities: Conduct a comprehensive performance audit of our current Shopify website. Identify and rectify bottlenecks affecting site speed, such as image optimization, code inefficiencies, and redundant apps. Implement SEO and mobile responsiveness improvements. Advise on best practices for content loading strategies and hosting/CDN solutions. Monitor site performance and provide ongoing maintenance to ensure optimal speed and efficiency. Requirements: ...

...who can help me understand difficult concepts and prepare for exams. Key Requirements: - Should be knowledgeable in all the topics listed. - Ability to explain past exam solutions. - Experience tutoring in computer organization or related subjects. - Able to communicate via instant messaging for convenience. - help in exam preparation Here is a list of all the topics covered in this course Building and Introduction - Basics of .o, .a, .so files, dynamic/static linking, and makefiles. Accounts and Permissions - POSIX permissions, user IDs, and sudo functionalities. Privilege and Exceptions - Kernel mode, system calls, and exceptions. Signals and Processes - Handling Unix signals, processes, and threads management (fork, exec). Virtual Memory - Concepts, page tables, and memory ...

...increasing the visitation to my website but also targeting a very specific demographic of young adults aged 18-24. Key Responsibilities: - Plan, develop and implement a Google Ads campaign targeted towards increasing website visits. - Ensure our ads are solely visible on Google Search to maintain focus and avoid unnecessary spend. - Leverage your experience to target this campaign at the young adult demographic (18-24 age group). Ideal Skills and Experience: - Proven experience in creating and managing Google Ads campaigns. - Strong knowledge of leveraging Google Search for ad display. - Ability to analyze and utilize demographic information for targeted advertising. - Ability to optimize campaigns based on performance analysis. So, if you have a knack for driving website tr...

I am looking to create a classifieds listing site, specifically geared towards University R&D opportunities. This Wordpress site will facilitate key features: - User Registration and Login: Ideal for maintaining a database of interested parties - Search and Filter Options: This will make it easy to navig...interested parties - Search and Filter Options: This will make it easy to navigate through different research areas - Payment Integration: As a premium option for featured listings. The site should cover all sectors from Biotechnology to Artificial Intelligence, Renewable Energy and beyond. Proficiency in Wordpress, database management, and Payment gateway integration is required. Experience in building classifieds sites is a bonus. Individual approach to every research ...

I'm looking to hire a skilled mobile app developer to create an Android application similar to 'Finnov Partner' on the Play Store. Key features of the App should include: - User registration/login feature - Account balance tracking - Transaction history In terms of aesthetic, I'm looking for a minimalist approach to design. It is essential that the look and feel of the app is clean, easy to navigate and intuitive to use. The ideal candidate for this project should have experience in creating similar fin-tech or banking apps and should have a good understanding of user database management. Proficiency in Java or Kotlin for Android development is a must. Please inbox me with your relevant apps/projects and how you can contribute to this project. Do include a r...

I need an online store data extraction specialist to pull key information (product name, price, and barcode number) from a particular online store. - The extracted data should be delivered in an Excel spreadsheet. - This is a one-time task; there is no need for continuous extraction. It's essential that you're proficient in web scraping techniques, able to navigate through the store's pages, and extract the right data accurately. Experience with online store data extraction is preferable. Please indicate any relevant past projects in your bid. Looking forward to working with a pro who can deliver quality results efficiently.

I am seeking the help of a competent professional to overlay two building plans for my home renovation project. Here are the specifics: OLD HOME LAYOUT HERE: NEW PLAN LAYOUT ATTACHED NEED TO MARK UP ADJUSTMENTS TO OLD LAYOUT FOR NEW LAYOUT IN RED SO I CAN DO A TAKE OFF 2 LEVEL HOME

I'm in need of an e-commerce expert who can help me increase my online store sales and manage my online presence effectively. Responsibilities: - Increasing Sales: I need assistance in optimizing my online store's design to make it more appealing and user-friendly. The main goal is to drive more conversions and turn visitors into customers. - Google Ads Management: I currently run Google Ads campaigns for my store but they need to be optimized for better performance. The ideal candidate should be able to analyze the current campaigns, make necessary adjustments, and run new campaigns to increase sales. - Social Media Management: I also need help in increasing my social media following on Facebook and Instagram. This includes creating engaging content, running targ...

I have to collect 200 cloth store and 200 footware store from each 52 usa state including company name website phone number address city state zip code hours category profile picture description 6 gallery photo. They are will be total 104 csv file. Eac file should contain 200 data.

I'm in need of a website system that can allow students to take time-limited tests. The platform should be designed exactly like this: The website has its own sign up and payment using xe The ideal candidate for this project should be comfortable with web development and have experience in building similar systems. In addition, a good understanding of user experience and the ability to create an intuitive and user-friendly interface is key. Please provide examples of previous work that showcases your skills in this area.

I'm looking for a s...products. - Local Presence: Your location in Surat is crucial for ease of communication and potential in-person consultations. While specific features were not outlined, I'm open to suggestions and looking for someone who can bring their expertise to the table in ensuring the site is professional, functional, and visually appealing. Special features nd pages requirement Blog story image / video, link ( Ref :- like Instagram ) newsletter on popup every purchase popup multiple language counter adds on home page currency: Multiple top searching product on home page on checkout page add product additional product slider Instagram feed on footer discount filter site map deal of the day menu (title dynamic) notify me button if not available product Su...

I'm looking for a skilled WordPress developer to create a recipe membership site with e-commerce functionality for me. Key Features: - E-commerce functionality: The site will be primarily focused on providing recipe content to paid members. - Paid Membership: The membership system should have a single tier, where users pay to access all content. - Personalized Dashboard:...- Prior experience with developing WordPress e-commerce sites, particularly those with membership features. - Understanding of UX/UI principles to ensure the site is user-friendly. - Proficiency in customizing and integrating WordPress plugins for e-commerce and membership functionality. Please provide samples of similar projects you have worked on, and a brief outline of your approach to building thi...

Apple Account ready. Code ready. No issue. Need immediately

...integration processes between applications across cloud and/or on premise using Celigo platform (Cloud Integration, Application Integration and Enterprise web services APIs in a remote or in-person capacity as requested by the client, including but not limited to video or onsite interaction - Strong with O2C, R2R, P2P, Inventory Management, AP/AR, GL and other Netsuite areas + - Excellent with building workflows and scripting - Managing, Monitoring, Sustaining, Troubleshooting and supporting existing integrations, SOA Architecture and Celigo platform with Salesforce with client stakeholders Responsible for establishing best practices in services development, integration of applications and govern detailed designs and documentation. Must be available daily for meetings and unde...

I am in need of a professional to help me upload a large number of physical products to my Shopify store. This is a critical task for my business and requires attention to detail and a good eye for product organization and presentation. Responsibilities: - Upload more than 100 physical products onto my Shopify store - Source suitable images to complement each product, ensuring they are visually appealing and consistent in quality - Organize products effectively to optimize user experience and promote sales This project requires someone who is familiar with Shopify and has a good sense of product presentation. Experience in e-commerce product management and a good eye for design would be highly beneficial. The ideal candidate should be organized, efficient, detail-oriented,...

I am in need of a talented developer to assist in expanding an existing application with new features. *NOTE* :- MY BUDGET IS 250 INR PER HOUR SO BID ACCORDINGLY READ THE DISCRIPTION BEFORE BID Key Responsibilities: - Implementing Interactive Dashboards: The primary goal is to add interactive dashboards to the application. This would involve building dynamic user interfaces that can display and manipulate data effectively. Required Skills: - Proficiency in Front-End Development: The ideal candidate should have a strong background in front-end development, with extensive experience in designing and implementing user interfaces. - API Integration: Given that the new feature involves real-time data processing, experience in integrating APIs is a must. - React.js Experience: Since N...

...but an expert dev should easily know what to do. I want to deploy it, and then integrate it with my as the visual layer of the stack. Here is docs explaining exactly how it works I know this process is quick and simple for an experienced developer, so I'm now seeking help from one so I can stop wasting time and just start building my site/app! Also, because I need this done ASAP and I want to learn what I'm doing wrong, please only respond if you can start immediately and you're ok with connecting on a live screenshare sessions with me so I can watch and learn, or you can instead choose to send me a screen-recording of you going thru the process. To verify that you actually read this listing, please include the following

I'm interested in obtaining a high-quality photo of New York City streets with the Empire State Building in the backdrop. While the architectural magnificence of the building should be captured, the photo should also reflect the vibrant life of the city with elements of street views unique to NYC. Here are some specifics: - The photo needs to be taken during the evening hours. Perhaps capturing the essence of evening lights will add to its charm. **** Lastly, please note this photo is meant to serve as a reference for artistic work, and while it needs to be aesthetically pleasing, it needs to accurately represent the city's streetscape and the Empire State Building. Ideal candidate: - Skilled photographers with expertise in street photography - Prior exp...

I'm looking for an experienced developer to help me advance my existing Flutter application. Ideally someone with a strong understanding of both iOS and Android platforms. Key Requirements: - You must be proficient in Flutter with proven experience of building applications for both iOS and Android. - Experience in complete application assistance is essential as you will be expected to understand the codebase and provide improvements. - The app requires distinct features to be enhanced, such as user authentication, push notifications, and in-app purchases, therefore, previous exposure to such features will be ideal. Your role will not be to develop from scratch, but to provide much-needed input, code refinement, and feature enhancements. I am counting on your expertise to brin...

I am in need of a structural engineering quote for a project I am planning. The structure is a residential building where a basement access door needs to be installed. The basement door will be 72" in width. To be an ideal candidate for the job, the following skills and experiences are necessary: - Significant experience in structural engineering of residential buildings - Proficiency in designing structures using steel - Expertise in retrofitting doors or windows to existing structures - Knowledgeable of all safety regulations and building codes for installing a walkout basement door The task to be carried out will include - Creating structural plans suitable for a steel access door - Providing a comprehensive quote for all relevant engineering work - Reviewing an...

I'm looking for a proficient individual with an established user base to test my productivity app on Android. Your role will be to download the app, have your 20 ready users test its performance and usability, and then leave a review on the app store. Key Responsibilities: - Immediate availability of 20 users for testing - Performance testing of the productivity app - Writing a good review on the app store Your feedback should focus mainly on the app's performance, functionality, and overall usability. I need 20 users to test it before its public release as per android. the review should be good for the company.

I'm in need of an experienced blockchain developer who can create a dapp and smart contract for a NFT project based on the Ethereum network. The focus of the project will be collectibles NFTs....marketplace system integrated within the project to facilitate the selling of these NFTs. Required skills and experience: - Proficient in Ethereum blockchain development - Experience in NFT technology, particularly for Collectibles - Proven track record in creating dapps and smart contracts - Knowledge of creating NFT marketplace Your main tasks will include: - Developing a smart contract - Building a dapp - Implementing a NFT marketplace for collectibles Ideally, you have successfully completed similar projects in the past. Please provide samples or references when bidding o...

Part-time recruitment for fashion store tracking in LA. Take photos of local chain offline fashion stores, mainly focusing on shelves and product images. Photos are only for project analysis and will not be used for any commercial purposes. Payment will be settled directly upon completion of the photos, in either US dollars or Chinese yuan.

Part-time recruitment for fashion store tracking in NY. Take photos of local chain offline fashion stores, mainly focusing on shelves and product images. Photos are only for project analysis and will not be used for any commercial purposes. Payment will be settled directly upon completion of the photos, in either US dollars or Chinese yuan.

As you've guessed, I'm looking for someone who can help me design and develop a travel app...developing travel applications, including flight and hotel booking functionalities. - Strong understanding of App Store guidelines, particularly in regard to what constitutes spam. - Prior experience in app compliance and submission. - Excellent design skills to make the app stand out from potential spam apps. - Strong communication skills to explain the design and development process and any necessary changes to comply with the guidelines. The primary focus will be on developing a travel application with features like flight and hotel booking. Please only apply if you have experience specifically in the travel app space and if you have a clear understanding of spam as per the A...

...creating a cloud-based server with capacity for 10 users mainly focusing on real-time messaging capabilities of Rocket Chat. I am open to other chat messaging services. I want a private, cloud based instant messaging service with end to end encryption. This will include you setting up the cloud service on Building the services, and providing instructions on how to add users. I will provide accounts and give access. Key Responsibilities: - Building a cloud-based Rocket Chat server - Ensuring the server supports Real-time messaging feature Ideal Skills: - Familiarity with Rocket Chat or similar messaging platforms - Experience in server setup and management - Knowledge in cloud-based systems I hope to see this project completed within a month, and I'm looking forwa...

Looking for an experienced Android developer with experience in publishing apps on play store

I am seeking a frontend engineer with proven proficiency in Nuxt, Tailwind, Typescript, RUST, and GoLang, to work on a Progressive Web Application (PWA). Key Responsibilities: - Converting design mockups into interactive web apps using and Tailwind CSS - Ensuring ...Ideal Skills and Experience: - Strong experience with and Tailwind CSS is essential - Proficiency in GoLang and RUST is preferred - Prior experience working on PWAs - Familiarity with SEO practices for web development - Ability to translate design into clean, maintainable, and reusable code - Being able to work in a fast-paced setup If you're a skilled frontend engineer with a passion for building robust PWAs, I'd love to hear from you. Please provide examples of your previous work with and Tailwind CSS.

I am in need of a seasoned web scraping expert to help me with a project involving Scraping a real estate website. The main focus is to extract a variety of data, including data points, numbers, and graphs. I need also advice on where is the best to store my data, to present it later on my wordpress website, I need someone who understands back-end architecture.

I'm looking for a professional to create a school management system using Angular. The system needs to be designed in a clean, simple design with a blue and white theme. Here are the features I ex...educational year and speciality. - Information Saving: It should save pertinent student information such as usernames and passwords, school year, and their selected speciality in Json format. Experiences in Angular JS, web design, and database management will be ideal for this project. Knowledge of education management systems will be a plus. The successful freelancer should showcase expertise in building functional, visually appealing software interfaces. Expectation is high for an intuitive, user-friendly platform with an appealing design consistent with our chosen color theme. ...

...traditional home design, specifically for a two-story single-family house. Key Requirements: - Design a two-story single-family home in a traditional style that meets local building codes and regulations - Include all necessary rooms, spaces and amenities for a modern family - Potential for suggestions on sustainable or eco-friendly design elements - Comfortable with the iterative process of designing and refining plans to meet my vision The ideal candidate will have: - Proven experience in designing single-family homes, ideally in a traditional style - Strong understanding of architectural design principles, building codes and zoning regulations - Excellent communication skills to understand and translate my vision into a practical and aesthetically pleasing design - Ca...

I need a marketing expert to help me drive sales and traffic to my online store. This project will primarily focus on advertising on Facebook and Instagram, targeting millennials (18-35 years old) and parents (25-50 years old). The ideal candidate should be well-versed in cross-platform social media advertising. Key requirements: - Proven experience in advertising on Facebook and Instagram - Demonstrable understanding of how to target and engage with millennials and parents - Ability to drive sales through social media marketing - Familiarity with scheduling tools and analytics to track and measure success - Creative approach to creating engaging content and visuals - Knowledge of how to strategize cross-platform advertising for maximum impact Please share examples of your pre...

I'm seeking a proficient architectural designer to spearhead the design process of a commercial office building. As someone unfamiliar with planning and zoning regulations, I require guidance in these areas. Key Tasks Include: - Creating an efficient, modern design for an office workspace - Navigating and advising on relevant planning and zoning regulations Ideal Skills: - Broad knowledge of commercial building design - Expertise in zoning and planning regulations - Experience in creating dynamic, modern office spaces Your knowledge will be instrumental in turning my vision into a tangible, efficient, and appealing workspace. Your bid should reflect your understanding of these requirements.

I'm looking for an experienced freelancer who can provide both architectural and MEP design services for a two-phase project. Here's what you'll need to know: This a commercial project so we will be running a business from this building. Phase 1: - Development of a minimalist architectural design which reflects my aesthetic preferences. - MEP design using conventional systems, i.e., standard mechanical, electrical, and plumbing systems. Ideal Skills & Experience: - Demonstrable experience in architectural design, preferably with a portfolio showcasing minimalist designs. - Expertise in the creation and implementation of conventional MEP systems. - Excellent communication skills to closely collaborate during both project phases. - Ability to comply with proj...

I need a talented web designer with WordPress expertise to assemble an engaging portfolio website based on the design file - As a client who greatly values swift execution, I require the project to be completed as soon as possible. The purpose of the site is to showcase my work in a visually compelling manner through interactive features and a user-friendly layout. Ideal Skills: - Extensive WordPress experience - Proven record of creating portfolio websites - Excellent time management While specific eCommerce features are not required, the freelancer should maintain a considerate understanding of optimal design features for accessibility, user experience, and visual

...intermediate-level video editor, who specializes in the addition and enhancement of sound effects. This role is specifically aimed at improving the audio quality of punching sounds in adult-themed content, to create a more engaging and authentic auditory experience. Key Responsibilities: - Prioritize adding realistic audio effects to punching sounds - Fine-tune other audio tracks, ensuring an overall cohesive sound Ideal Skills and Experience: - Previous video editing experience in matching sound effects to visual content - Proven ability to generate realistic sound effects - Familiarity with working on adult-themed content - An ear for detail, focusing on authenticity in sound production Please note that while the project primarily focuses on punching sounds, occas...

I'm in need of a logo designer who can create an abstract logo in blue color for my startup. The logo should be engaging and appealing to a young adult audience. Key requirements: - Design a logo in an abstract style - Use the color blue as the primary color - Ensure the design is captivating for a young adult audience Ideal skills and experience: - Proficient in graphic design and logo creation - Experience designing for startup companies - Understanding of the preferences of young adult audience - Ability to deliver creative and original designs.

I need as-built drawings for the hydronic floor heating system in a residential building. The project is currently in the post-construction stage and the required format for the drawings is PDF. Key Requirements: - Creating as-built drawings for hydronic floor heating system in a residential building. - Converting the drawings into a high-quality, easy-to-share PDF format. Ideal Skills and Experience: - Experience in creating as-built drawings for plumbing or heating systems in residential buildings. - Proficiency in relevant software to produce professional PDFs. - Familiarity with hydronic heating systems or willingness to learn about them. Note: You must be a licensed P. Eng in Ontario, Canada. Previous experience in similar projects will be highly regarded. Thank yo...

I need a professional with experience in mobile applications and Google Play Store because I have a few lifestyle apps that I created a few years ago, and I'm worried they might get taken down. I'm afraid there may be issues since I don't currently have access to the source codes. Ideally, you should be able to: - Update apps to meet current Google Play Store standards. - Troubleshoot technical issues that may have arisen over time. - Inspect apps for security flaws and code efficiency. Although the complexity level of the apps is minimal, an understanding of fundamental coding practices and app design elements is critical. Experience in lifestyle apps and rectifying outdated apps will be a major plus.

I'm looking for a skilled and experienced developer that can build an app using cloudVision (ideally) for a proof of conce...functionalities: - Scan an object: The app should be able to scan a unique catalog. - Trigger a visual WebXR experience: Upon scanning, the app should trigger a visual WebXR experience related to the scanned object in the users personal space. Ideal skills and experience for this job include: - Experience with WebXR development Immersive reality - Proficiency in cloudVision, ideally - Prior experience in building apps with advanced scanning capabilities - Strong understanding of Firebase for the backend - Ability to create a simple yet functional proof of concept - UNity and Unreal knowledge required When applying, I will send you the brief of the pr...

iOS developer for an alarm type application, must be able to work autonomously. I will provide the concept and some wireframes, the expectation is you will design and UI and workflow which fits the use cases I need. You must have a good understanding of how App store subscriptions work (), as we will need to implement that. do NOT apply if you are unfamiliar, you will be wasting your time I will not contact you outside of Freelancer, if you ask for it, I will find someone else. The app will be required to create several types of alarms with optional snooze, some metrics need ot be gathered. the alarm screen may need to display an image, do NOT apply if you are unfamiliar with

...professional grant writers who can help us secure funding for a new building that would support our mission of helping the youth in our community through basketball. Key features of the new facility include: - Adequate training facilities for our basketball academy - Classroom spaces for our educational programs - Hosting spaces for community events, tournaments and providing spaces for other youth sports teams and community organizations to practice Ideal Freelancer: - Experience writing successful grants for non-profit organizations - Understanding of youth sports programs or educational non-profits - A track record of securing funds for building projects or similar ventures. This project is more than just about a building; it's about investing in o...

I require a dynamic website designer with experience in e-commerce to create my business website and web-store. This simple yet engaging platform should consist of an about us page and a dedicated online store for selling just two products with different size options. Key Features: * Showcase my business and sell products: The platform should serve a dual purpose of illuminating what my business stands for whilst also facilitating the sale of my products. * Specific design standards: I have a set vision for how I want the website to look and will provide clear guidelines to ensure the design meets my needs. * Product Page Requirements: This should not just be an ordinary web-store. Each product should be displayed with a distinct image and specific description. Ide...

I'm in need of an experienced clothing designer who can help create a tech pack for a hoodie. Ideal candidates will have previous experience in preparing professional tech packs for clothing manufacturing. The specifics of the project are as follows: * The hoodie is to have a pocket design, specifically a kangaroo pocket design. * The material that the hoodie will be made of is a cotton blend. Customizable Zipper Pulls: These are not just any zipper pulls; we envision them as multi-functional, offering the wearer the ability to slide, twist, or spin them for tactile stimulation. We're interested in exploring a variety of materials for these pulls, such as silicone, metal, and textured fabrics, to provide a diverse range of tactile experiences. * Textured Patches: We'd like ...

I'm looking for a Laravel expert with experience in MongoDB to help me build a comprehensive t...Key requirements: - User Account Types: The system should have distinct Admin and Staff user accounts. - Ticket Management: Admins should be able to manage tickets, assign them to staff, set their priorities, and track their status. The ideal candidate for this project should have: - Profound experience with Laravel and MongoDB. - A solid portfolio of similar projects. - Proven expertise in building user account systems. - An understanding of ticket management systems and their implementation. The project is expected to take approximately a month to complete. Please provide an overview of your relevant experience in your proposal. Please check the Documents of the design in t...

We are seeking an experienced mobile app developer to assist us with uploading our app to the Google Play Store. Our app has been developed and is ready for deployment, but we need someone proficient with the Google Play Developer Console to handle the uploading process. Responsibilities: Upload the app to the Google Play Store Developer Console. Ensure all necessary information, screenshots, and graphics are provided. Complete the necessary steps for app listing, including descriptions, categories, and pricing if applicable. Address any issues or errors that may arise during the upload process. Requirements: Proven experience with uploading and managing apps on the Google Play Store. Familiarity with the Google Play Developer Console and its processes. Strong atten...

The client seeks a skilled professional proficient in Cosmos SDK and Solana blockchain platforms. Responsibilities include building smart contracts, setting up blockchain nodes, and implementing security protocols for developing a decentralized application (dApp). The ideal candidate should have significant experience in Cosmos SDK, Solana, and a proven track record in dApp development, along with a strong understanding of blockchain security protocols.