Php search engine source code free download jobs

I'm in need of an experienced web developer proficient in Python or PHP, specifically with expertise in Magento. The project involves creating a customized e-commerce website, which requires several key features: - Product Catalog: The website must be able to showcase a wide range of products, organized in a user-friendly and visually appealing way. - Shopping Cart & Checkout Process: A seamless and secure shopping experience for users is paramount. This involves a smooth cart functionality and a secure checkout process. - User Registration & Login: The site should enable users to create accounts and log in, allowing for personalized shopping experiences and order tracking. - Booking Platform with Calendar: Additionally, the site will have a booking platform integrated...

...- Event Listings and Search Functionality: The website should present a comprehensive list of events and offer a search feature for users to find relevant events. - Online Ticket Booking: Users should have the ability to book tickets for events directly on the website. Integration with a third-party payment gateway is essential for this project, so prior experience with payment gateway integration in Laravel will be highly valued. Furthermore, the site should have social media sharing capabilities. Users should be able to easily share events with their friends on various social media platforms. The ideal candidate for this project should have experience in: - Laravel development - Building user registration and login systems - Implementing event listings and search...

...requested quotes where the prices and quantity will be reflected of all the products in quotation. Admin can edit the prices manually and can share and download the requested quotation to anyone. 6. Admin can create multiple sub admins and can assign different rights to them as he wants. 7. After approval of the quotation of the customer, he can place the order and unique order id must be generated against each order. 8. Admin can see the order history and filter the data as required. In order history customer can see the order id, date, amount, invoice pdf, Order dispatch details etc. 9. Admin can upload, modify and delete the bank details, QR code and Google pay and Phone pay details any time and the details can be seen by customer so the he can do payments any way he w...

I'm in need of an experienced PHP developer to create a comprehensive web-based portal. This platform will serve as a central hub for both my customers and employees, as well as allow administrators to manage and update the content effectively. Key Features: - User authentication: Implement a robust user authentication system to ensure only authorized personnel can access the portal. - Content Management System (CMS): Create a user-friendly CMS that allows the administrators to update, upload, and manage text and image content on the portal. User Roles: - Customers: The portal will be used by customers to interact with our services. Ensure seamless user experience and accessibility. - Employees: Employees should have access to specific tools and information. Develop an int...

As the project owner, I'm seeking a professional skilled in Pine Script with experience in retrieving code from private scripts on Trading view. The key objectives of this project include: - Extracting the Pine Script code from a specific invite-only script (the script name will be shared privately upon project commencement). Unfortunately, it's currently unknown which specific script to be used, but clarity will be provided as the project progresses. - Discern the implemented functions within the script. The functionalities mainly centered around recognizable trading indicators like Moving averages, Pivots, Fibonacci and MACD. - The code extraction should consider compatibility with variable timeframes. Whilst exact timeframes aren't specified yet, f...

I'm looking to enhance our website's SEO strategy to drive more organic traffic, improve search engine rankings, and boost our online visibility. Key Points: - The current performance of our website is average, and we're keen on elevating it to a higher standard. - The primary focus is on Google, so expertise in optimizing for this search engine is crucial. Ideal Skills and Experience: - Proven track record in improving search engine rankings, ideally with a focus on Google. - Extensive experience in implementing successful SEO strategies that significantly increase organic website traffic. - A strong understanding of how to enhance online visibility. - Excellent communication skills to explain the strategies and their benefits to...

I'm looking for a video editor who can cut 240 videos for me on a weekly basis. Each video is 1-5 minutes long, and I'm willing to pay ₹2000 for this weekly service. One video editing take just 5-10 minutes for editors You have download the videos and this (po*n videos) any issues then don't bid please. Additional Editing: - I'd like the editor to also include background music, transitions, and Capcut effects, Mute Some Sounds. If you can't do at this price then don't bid.

We are looking for a programmer to create the search engine for our magento 2.4.6 with Proto Theme website using Algolia search. The programmer has to implement the algolia search engine using his own code following the guidelines published by Aloglia to use it in the main page and in the search results page. It must include the following Filtering by attributes ( brands, specific attributes, color, etc) Keyword filtering Filtering by categories The search results should be displayed in a js block on the home page and in the search results. The theme used in magento 2.4.3 is "Fatest by codazon". Please only serious people, we don't want people who spend half as much time searching as doing the work on sta...

I need a solution that can automatically insert page numbers onto every A4 page in my document at the bottom. Key Requirements: - The system should work with A4 format. - It should be able to insert these page numbers automatically and consistently on every page. - The page numbers should be placed at the bottom of each page. Ideal Freelancer: - Experience working with PDF manipulation and automation. - Proficient in software that can perform automatic page numbering. - Attention to detail in maintaining consistency in design and positioning of the page numbers.

...persistent issues with Google Search Console and I need an expert to help me resolve them. Key tasks involved: - Fixing Indexing Issues: There are some pages on my site that aren't being indexed properly by Google. This could be due to various reasons like crawling errors, server problems, etc. - Resolving Sitemap Errors: I've been receiving errors related to the sitemap of my website. This could be contributing to the indexing problems. - Addressing Mobile Usability Issues: Google has flagged some mobile usability issues on my site. I want to ensure my website is fully mobile-friendly and complies with Google's guidelines. Ideal Skills and Experience: - Strong understanding of Google Search Console: You should have a deep understanding of how Google S...

[NO AUTO GENERATED APPLICATIONS… WILL BE DELETED] I need someone familiar with affiliate marketing programs and sites. Someone that can find me some good affiliate products for me to ask. I'm hoping you can find impressive products that have potential to go viral. Tell me some good affiliate products into Instagram. You will search programs like Clickbank, Sharesale, etc. In your application tell me about some products that you have found for clients. Have you ever sold affiliate products through Instagram?

I'm in the process of starting an enterprise a...this new business. It should be beautifully designed, user-friendly, and effectively present our business details, mission, and services. As for the SEO, emphasis is on technical aspects. Your job would entail ensuring the structure of our site is search-engine friendly and meets all backend requirements for optimal ranking. Ideal skills and experience: - Expert in website design, preferably with portfolio of business sites - Proficient in Technical SEO with a good understanding of backend website requirements for optimal search engine ranking Your proposal should include a brief outline of your design approach and your experience in technical SEO. I look forward to collaborating with you to boos...

German Recording project We have a project, that needs Native German speakers, we will give you the text, and you need to record 89 short sentences. you just need to download our software, to read our text and record it, it's a very easy job. 1. You will need to record in a quiet place without loud background noise. and without an echo. 2. Each person Price is 8$ for 89 short sentences record. 4. The project will take about 10-15 mins only. If you are interested please let me know sure. I will contact u. A Good Opportunity For New Freelancers For taking 5 Star Review after their completion of the project. Thanks :

Italian Recording Project We have a project, that needs Native Italian speakers, we will give you the text, and you need to record 89 short sentences. you just need to download our software, to read our text and record it, it's a very easy job. 1. You will need to record in a quiet place without loud background noise. and without an echo. 2. Each person Price is 5$ for 89 short sentences record. 4. The project will take about 10-15 mins only. If you are interested please let me know sure. I will contact u. A Good Opportunity For New Freelancers For taking 5 Star Review after their completion of the project. Thanks :

France French Recording Project We have a project, that needs Native France French speakers, we will give you the text, and you need to record 89 short sentences. you just need to download our software, to read our text and record it, it's a very easy job. 1. You will need to record in a quiet place without loud background noise. and without an echo. 2. Each person Price is 5$ for 89 short sentences record. 4. The project will take about 10-15 mins only. If you are interested please let me know sure. I will contact u. A Good Opportunity For New Freelancers For taking 5 Star Review after their completion of the project. Thanks :

Russian Recording Project Note : We need Native Russian speakers for long term project. We have a project, that needs Native Russian speakers, we will give you the text, and you need to record 626 Short sentences. you just need to download our software, to read our text and record it, it's a very easy job. 1. You will need to record in a quiet place without loud background noise. and without echo. 2. Each person is $14 dollar for 626 sentences record. If you are interested please let me know sure.I will contact u. A Good Opportunity For New Freelancers For taking 5 Star Review after their completion of the project. Thanks :

I'm currently working with an existing Python code and need a professional to review and improve upon it. I'm not certain what version it is therefore freelancer with knowledge in both Python 2 and Python 3 is preferred. Ideal Skills: • Proficient in Python coding • Experience in code optimization • Excellent debugging skills Work Scope includes but not limited to: • Code review: Inspect existing Python scripts • Troubleshooting: Identify and fix any code errors • Optimization: Enhance code for better efficiency and performance The successful candidate should be able to work independently based on the existing code and requirements provided.

We are seeking an experienced PHP developer to assist in fixing existing and add new back-end functionality. Our platform allows parents to book their children's lunch boxes for selected schools, offering multiple choices for the boxes. Parents can select the school and timings through dropdown menus. We receive the details on our dashboard and print stickers to be pasted on the boxes. Currently, we are facing issues with obtaining accurate order details, leading to mismanagement and manual intervention. We also want to integrate a monthly subscription feature for parents. The ideal candidate should have a strong understanding of PHP and be able to create clean, efficient, and scalable code. As a PHP Developer, you will be responsible for implementing new...

As an entrepreneur, I am seeking a proficient web developer to construct an innovative e-commerce website boasting a unique QR code feature and credit card processing capabilities. Experience in handling similar projects would be ideal. You need to: - Develop a user-friendly e-commerce website - Integrate a credit card processing system - Design an exclusive QR code feature to download the application If you are a creative problem solver with outstanding skills in web development and have a history of incorporating payment systems into platforms, your application would be strongly considered. Show me your track record of similar work, so I can foresee how successful our project can be.

I'm in need of a skilled programmer to create an automation code page for me. This code page will be focused on text processing, so a strong understanding of working with textual data is essential. Key Requirements: - Proficient in JavaScript: The automation code should be written in JavaScript to ensure compatibility with other platforms. - Automation Experience: The primary function of this code will be automating tasks. A proven track record in building automated processes is highly desirable. - Text Processing: The code must be able to accurately and efficiently process textual data. Experience in this field will be a huge advantage. If you have experience in JavaScript, a background in automation, and a strong familiarity with text processing...

...my existing business website. My main focus is to increase the website traffic. Key Points: - I need a professional who can identify and implement strategies to boost my website's visibility and attract more visitors. - I'm particularly interested in on-page and technical SEO services such as keyword optimization and site speed optimization. - The goal is to positively impact the website's search engine rankings and subsequently increase organic traffic. Ideal Skills and Experience: - Proven track record in SEO for existing businesses, particularly in increasing website traffic. - Expertise in on-page SEO, including keyword optimization and content quality improvement. - Proficiency in technical SEO, such as site speed optimization and mobile responsiven...

...descriptions. - Ensure each slide is editable by the user for final adjustments. File Generation: - Implement the final step where users can generate and download the completed PowerPoint (.ppt) file after reviewing all slides. Requirements: Proven experience in developing Telegram bots. Proficiency in programming languages such as Python, Node.js, or equivalent. Experience with PowerPoint automation libraries (e.g., python-pptx). Familiarity with natural language processing and handling multilingual input. Strong understanding of user experience and user interface design principles. Ability to integrate image search APIs to fetch relevant images for slides. Excellent problem-solving skills and attention to detail. Preferred Qualifications: Previou...

...Experience: Design intuitive, user-friendly interfaces that provide an excellent user experience. Responsive Design: Ensure websites are fully responsive and optimized for various devices and screen sizes. Content Integration: Collaborate with our content team to integrate text, images, videos, and other media into the website seamlessly. SEO Optimization: Implement SEO best practices to improve search engine rankings and drive organic traffic. Testing and Maintenance: Conduct regular testing to identify and fix any issues, ensuring the website remains up-to-date and functional. Collaboration: Work closely with the marketing team, developers, and other stakeholders to understand project requirements and deliver high-quality results. Trend Monitoring: Stay updated with th...

My goal is to have a complete informational website developed for my business. With a focus on offering key details like: - About Us: A section devoted to explaining our business and its values - Services: A clear and comprehensive listing of all our services - Conta...number, email address, and physical location - Pricing: Transparent pricing information for our services The ideal freelancer for this project should have prior experience in developing informational websites with an easy to navigate user interface. Proficiency in web design and development and a keen eye for detail is necessary. Knowledge of SEO to help maximize the visibility of the website on search engines is also appreciated. Be prepared to collaborate closely to ensure the website accurately represents the...

...printing PDFs. Additionally, I'd like to streamline my paystub downloading process to avoid the need for printing, looking to have them saved directly as PDFs. Key Responsibilities: - Troubleshoot QuickBooks Snappt: I need assistance to ensure that the PDFs generated are correctly formatted and able to print efficiently. - Automation of Paystub Downloads: I'm looking for a solution that will download paystubs directly as PDFs, without the need for printing. This should enhance efficiency and save time in the long run. Ideal Skills and Experience: - Proficiency in QuickBooks: Experience with QuickBooks, especially Snappt, is fundamental for this project. - Troubleshooting Abilities: A proven track record of resolving technical issues related to printing and formatting ...

I'm in need of a proficient web developer to construct a comprehensive client portal for my law practice. This portal will be instrumental in streamlining my interactions with clients, providing a secure and efficient platform for communication and case management. Key functionalities required: - Document upload and download capabilities - Real-time case status tracking - Secure messaging system for confidential communications - Integrated meeting planner for scheduling appointments The portal should support at least three distinct user roles, likely corresponding to clients, attorneys, and administrative staff, each with appropriate access levels and permissions. Ideal Candidate should have: - Experience in developing secure client portals - Familiarity with legal industry ...

...application in Centos 7 (Linux) instead of Windows against my guidelines. In light of this, I am seeking a highly skilled professional to help me reinstall the system from the copy to the Window Server 2016 environment. The job involves the following steps: 1) Change the OS from Linex to Windows Server 2016 or Higher Use the copies of the site and desktop (will be uploaded when you accept the job) 2) Download Windows Server 2016 II, Office 2019, , .NET Framework 4.7 or 4.8, Visual FoxPro 9 Executable. And it should be Configured to the present environment. 3) The on-line application should be connected to the desktop version and tested. 4) Chemplan and all its functionality should be tested and should be working. The output function of chemplan including view, to PDF and printer...

I'm in need of a proficient PHP developer to take on a range of responsibilities for my project. You'll be handling both the front and back-end development, as well as maintaining the website. I'm looking for someone who has a strong background in PHP, not just with creating and managing dynamic and interactive web pages, but also maintaining them for optimised performance. Key Responsibilities: - Handling front-end and back-end development - Carrying out website maintenance You must provide examples of your past work in your application. We appreciate attention to detail and a deep understanding of PHP. Since I will provide all the content needed for the website, you can focus solely on the programming side of the task. Your expertise in PHP ...

...payment methods to support user transactions. - Dynamic QR Code Generation: Feature to generate QR codes, enhancing user experience. Main Purpose of the Web Application: - The primary goal is to offer a platform where users can create and share memorial websites. - Additional functionalities like QR code generation are aimed at facilitating user interaction and experience. Preferred Design Style: - The design should be elegant and sophisticated, in line with the sensitive and emotional nature of the website's purpose. Ideal Skills and Experience: - Proficiency in Laravel framework is essential. - Previous experience in building CMS and user authentication systems. - Strong background in payment gateway integration. - Knowledge of QR code generation and impl...

...Looking to see what would you suggest to make with a similar idea to our reference Buy now and Bid option with payment gateway. multivendor with a bidding system. Ppl can buy or bid based on vendors choice and the system can automatically award to bidded products as admin can set Mobile App You have an access to the mobile app source code for 1 year. Please let me know your GitHub account username so we could send an invitation to the repository. The source code can be used for the app customization with a hired developer. If you want us to build the standard mobile app for you, please follow these steps: 1. Please install the Mobile application add-on in your admin panel. Add-ons are installed in the Add-ons > Downloaded add-ons section. The access...

My Wordpress site has some issues. Also a lot error alerts in Google search console need expert to fix that

I'm looking for a freelancer to write a 500-700 words review for my Windows application. The focus will be on the application's user interface and overall user experience. Key Points: - The application is targeting the freelance comm...user interface (UI) design. - Deep knowledge of the freelance industry and the specific needs of freelancers. - Excellent communication skills, capable of providing clear and detailed feedback in a professional manner. The compiled project will be available here: Download the project and follow instructions, once the application has been tested and you have formed an opinion, you can contact me to discuss further collaborations.

...Requirements: - The task involves writing a client request to obtain a flag from a vulnerability site with advanced complexity (e.g., bypassing security measures). - The project involves emphasizing on Remote Code Execution (RCE) and pollution while interacting with the vulnerability site, so experience in these areas is a plus. --- Challenge Name: Emu Apothecary Category: Vulnerabilities Description has just opened up their potion brewing website for other Emus to create new potion recipes! However, they are afraid that one of the human hackers will pollute their ingredients. Can you get Remote Code Execution (RCE) on the Emu Apothecary's website? Below are the steps on creating the terminal command you want to execute on the website: Visit to create a new ...

...you a skilled freelance developer with expertise in crafting seamless experiences across mobile and web platforms? We're seeking a talented individual to collaborate with us on an exciting project to develop a modern and user-friendly job search platform. Key Functionalities: - User Registration and Profile Management: Enable users to create, manage, and update their profiles to streamline the job search process. - Real-Time Messaging: Facilitate communication between job seekers and employers through real-time messaging functionality. - Advanced Search and Filtering: Empower users to discover relevant job listings based on specific criteria such as location, industry, and job type. - Subscription-Based Fees: Implement a flexible subscription model to unlock ...

I'm in need of someone to help with building a Java code for my project. The main task will be developing a code for input validation. Key Requirements: - Experience in Java programming - Proficiency in coding for input validation - Ability to work efficiently and deliver results in a timely manner This project will require someone with a good understanding of Java programming and the ability to create effective input validation. If you have a track record of successfully delivering such functionalities, I'd like to hear from you.

...mystery box space, I'm looking for a marketing agency that can help me reach a diverse audience and make my brand grow. I need expertise in SEO, social media marketing, influencer outreach, potentially PPC ads and the execution of weekly prize giveaways. Key requirements for this project include: - **SEO**: The selected agency should be skilled in optimizing my website and content to improve search engine rankings, drive organic traffic, and increase brand visibility. - **Social Media Marketing**: I need to build a strong presence on various platforms, including Instagram and YouTube. The agency should create engaging content, manage posts, and help me interact with users. - **Influencer Outreach**: The agency will be responsible for identifying and collaborating wit...

...various screen sizes. - Genre Expertise: Proficiency in adventure game development is crucial. Previous experience in creating adventure games for mobile platforms is highly desirable. - No Multiplayer: The game is intended to be a single-player experience. There's no need for online or local multiplayer functionality. Ideal Skills: - Proficient in Unity: Knowledge and experience with the Unity game engine to create engaging and smooth gameplay. - Strong Game Design Fundamentals: Ability to design engaging game levels and narratives to ensure an immersive adventure experience. - Mobile Optimization: Skills in optimizing games for mobile platforms in terms of performance and user experience. If you have a creative mindset, experience in mobile game development, and a passio...

I'm looking for a skilled Visual Basic 6 programmer to adjust functionality within my VB6 source code. The task primarily involves expanding reporting functions to include more tables. Ideal applicants should have: - Extensive experience in VB6 programming. - Previous work involving functionality adjustments, particularly in Reporting and Data Management. - A keen eye for detail to maintain existing code integrity while implementing changes. - Strong understanding of data management and manipulation in VB6. Your role will be solely focused on altering the existing VB6 code and ensuring the changes don't disrupt the software's operational flow. Familiarity with VB6 and past projects involving Reporting changes are crucial.

...Please read my requirements carefully. Key Points: - No new development is required, just purchase apps that already exist on Google Play - I'm interested in apps across a range of categories except finance and wallpapers. - The apps should offer diverse functionalities and be of high quality. - Prior experience in evaluating app performance and potential is highly desirable. - Has a certain download volume。 Your role would be to identify suitable apps for purchase, based on their category, features, and potential. Your ability to assess apps in terms of their quality, user base and potential for monetization will be crucial. Your familiarity with the Google Play Store and the App Store will be a major asset in this project. This is a unique opportunity for an individua...

I'm looking to develop an end-to-end HRMS PHP application that can efficiently manage a large workforce of over 100 employees. Project Details $30.00 – 250.00 USD HRMS Portal Development - Employee Management, Payroll Management, Time and Attendance Management We are looking for a skilled developer to build a customized HRMS portal with the following features: - Employee Management: ability to manage employee data, records, and information - Payroll Management: ability to manage payroll processing and payments - Time and Attendance Management: ability to manage employee attendance and time tracking The preferred technology stack for this project is PHP. We require moderate customization of the HRMS portal, including customizing the user interface and adding additi...

I'm looking to create a website using Codeiner PHP. The website will be a platform for showcasing my work, sharing information, and possibly more features in the future. Key Requirements: - Development of a website using Codeiner PHP Ideal Skills: - Proficiency in Codeiner PHP - Experience with website development, particularly with portfolio websites

...focus on both on-page optimization and technical SEO aspects. Key Areas of Focus: - On-Page Optimization: Analyzing the current content, meta tags, and URL structure to enhance keyword targeting and improve search engine ranking. - Technical SEO: Reviewing technical aspects such as website speed, mobile-friendliness, and site architecture for optimization. - Backlink Analysis: Identifying and assessing the quality of existing backlinks and providing recommendations for improving backlink profile. Prioritized Pages: - Homepage: A thorough evaluation to ensure it's optimized for key search terms and user experience. - Product Pages: Individual assessment of these pages to enhance visibility and conversion rates. - Blog Section: Reviewing the blog content for S...

I'm in need of a seasoned Mechanical Engineer with specific expertise in heat transfer, fluid dynamics, and thermodynamic cycle analysis to assist in the development of a revolutionary solar thermal engine patent prototype. Key Requirements: - Conducting in-depth thermodynamic cycle analysis for the solar thermal engine. - Designing the engine layout and key components to optimize its performance. - Understanding and managing the behaviors of steam vapor and condensate. - Proficiency in analyzing fluid flow, power, and pressure drop. - Knowledge of steam hammer and heat pipe behavior for this application. - Experience with developing engines within the 1-5 kW power output range is essential. Ideal Skills: - Proficiency in CAD software, such as SolidWo...

I'm looking to automate podcast transcription service. 1. I need a service to follow Podcast Rss Feeds and listen for new episodes 2. I need Listen Notes to download the podcast audio file 3. I need Chatgpt to transcribe the audio file 4. I need an output of the transcribed text made into a google document 5. I need Chatgpt re-write the transcribed text into an article with a Title, meta text and the content of the article. 6. I need the re-written article to be saved in a Google document 7. I need the document to be re-written in 8. I need the re-written document by saved in google document You should know python and have api integration skill set you should know how to use and the process flow

I'm looking for someone with demonstrable clago experience ( Must share previous work samples and also show me live evidence on a video call to be considered eligible) to code my indicator-based simple bot within 5 days. Anyone who quotes above budget will be disqualified immediately. Feel free to suggest if any of my requirements are difficult for your skill level and I can consider them. Those who don't reply to msgs for more than 15 minutes will not be eligible as they are not reliable to work with.

i have one php script which used to load in a few seconds now takes 4 minutes not sure why it suddenly lags need optimised - the mysql query hittin some bottleneck somewhere by looks of it

I'm in need of a skilled individual who is proficient in both PHP and Google Gemini. The primary task is to integrate this platform with my PHP website. Key requirements include: - Basic data syncing: The main goal is to ensure that the PHP website and Google Gemini can share important data seamlessly. This includes basic data such as user information, clicks, and impressions. The ideal candidate must have: - Demonstrated expertise in PHP and Google Gemini. - Prior experience in integrating Google Gemini with websites. - Strong communication skills to understand my requirements and provide updates on the integration process.

I'm looking for an experienced full-stack developer to build ...Content Packaging & Distribution - Content Localization - Import & Export Functionality - Settings & Integrations - Security & Compliance - Performance Monitoring & Optimization The ideal candidate should have: - Proven experience developing admin dashboards - Expertise in Flutter, Firebase, PHP - Strong design sense for clean UI/UX - Knowledge of user management, data viz, content systems - Ability to ensure security, performance, compliance Your role will be to implement these features using PHP (or else) and Firebase. I'm open to suggestions and improvements on the features list. Please provide examples of your previous work and an outline of how you would approach this pro...

I'm currently seeking a professional who excels in SEO and Facebook advertising. The scope of the project is primarily to increase our website traffic, improve our search engine rankings, and boost our brand's awareness. The focus of this campaign will be directed towards local customers within the healthcare industry. Skills & Experience Required: -Proficient with SEO tools & techniques -Experience with Facebook ad campaigns -Understanding of the healthcare industry -Experience in targeting local markets -Strategy development and execution for increasing brand awareness -Familiar with performance tracking and analytics.

To create bulk qr codes Each qr have a specific number To be verified by sms