Hire the Best AJAX Developers

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Randall B.

Oregon City, Oregon

$38/hr
4.6
370 jobs

Full stack developer w/ 12 years experience and focusing on WordPress development and giving clients what they want. Task oriented. Clear communicator. Loves the work, takes ownership of every project. I make myself readily available to my clients 5 days a week and sometimes 6. 'Randall is an honest and available developer. Most developers do not make themselves available to discuss requirements with the client and with the team but randall goes above and beyond the expectation' - Jonathon Bridges 'We really enjoyed working with Randall to complete a rush project. He was easy to work with, in communication regularly and helped us get the job done right.' - Kat Bundy -WordPress -PHP -JavaScript -jQuery -CSS3 -WooCommerce -SASS -mySQL Beyond just tweaking themes, I can offer a high level of WordPress customization, including but not limited to: custom plugins, custom widgets, custom post types and just about any kind of custom functionality you need. If I am one thing it's flexible, client have different methods and needs, no 2 clients are exactly alike. Listening to clients and giving them what they want is what I do. Sometimes a client need an advisor as well as developer, in those situations, I'm adept at providing these kinds a clients a road map to success. 'This was my first experience with Upwork. I couldn't have picked a better partner to help me with my task.' - Joe Cotellese "Randall is super easy to work with, he anticipates issues and is very timely in bringing them up. His skill and cooperation are excellent and he is very accessible. He gets the work done quickly, follows direction and does a great job! He can also think for himself and isn't shy about researching issues. I will happily continue to use Randall for my WordPress development. - Merry Gray "Randall is nothing short of amazing! He is the best developer I've ever worked with. He really came through for us." - Don Slepien

  • AJAX
  • Custom PHP
  • CSS 3
  • JavaScript
  • WordPress
  • jQuery
  • Adobe Photoshop
  • PHP
  • HTML5
  • Web Development
  • Twitter/X Bootstrap
  • WooCommerce
Gopal H.

Surat, India

$18/hr
4.9
57 jobs

๐Ÿš€ Top Rated Plus | 9+ Years Experience | 7800+ Hours | 100% Job Success Hi, I'm Gopal, a Senior Full-Stack Web Developer & AI Application Specialist with over 9 years of experience delivering secure, scalable, and high-performance applications. I specialize in end-to-end development, from clean and responsive user interfaces to powerful backend systems. I also built and productionised AI platforms similar to Lovable, ChatGPT, and Base44, including private deployments, API integrations, and automation workflows. Whether you need a SaaS platform, an AI chatbot, a business automation system, an eCommerce solution, or a Base44 app rebuilt outside the platform, I deliver solutions that are reliable, maintainable, and built to scale. ๐Ÿง  AI & Automation โœ… Lovable-style AI apps โœ… ChatGPT-like conversational systems โœ… Base44 app duplication & migration โœ… AI agents & workflow automation โœ… API-driven AI integrations ๐Ÿงฑ Backend & Frameworks โœ… Laravel / Filament โœ… CodeIgniter โœ… WordPress (Custom Themes & Plugins) โœ… CakePHP ๐ŸŽจ Frontend & Realtime โœ… ReactJS โœ… VueJS โœ… JavaScript (ES6+) โœ… jQuery / AJAX โœ… WebSockets ๐Ÿ—„๏ธ Databases & APIs โœ… REST API development & integration โœ… MySQL โœ… MongoDB ๐ŸŒ Web & Design โœ… HTML / HTML5 โœ… CSS / Bootstrap โœ… Social media integrations โœ… Photoshop I communicate clearly in spoken and written English and am known for being proactive, reliable, and deadline-driven. Client satisfaction comes from clean code, transparency, and consistent delivery.

  • MySQL
  • Laravel
  • CodeIgniter
  • CakePHP
  • React
  • API Integration
  • Payment Gateway Integration
  • Vue.js
  • Ecommerce Website Development
  • React Native
  • REST API
  • AI Chatbot
  • AI Product Management
  • n8n
  • Make.com
  • HighLevel
Abitha B.

Tiruchirappalli, India

$10/hr
4.8
951 jobs

Most businesses have two problems: their website cannot do what they need, and their systems do not talk to each other. I solve both. I am a full-stack developer and automation specialist with 14+ years of experience building custom websites, web applications, and AI-powered workflows โ€” for startups, growing businesses, and established companies that are done with temporary fixes. I build on WordPress, WooCommerce, and Laravel on the development side. On the automation side, I design and build AI agent workflows, multi-step automations, and system integrations using n8n, Zapier, and Make. Most of my projects combine both โ€” a custom web application connected to an automated backend that handles the work no one should be doing manually. WHAT I BUILD Full-Stack Development - Custom WordPress and WooCommerce solutions beyond what plugins can handle - WooCommerce custom pricing, checkout flows, and product logic - Laravel web applications, dashboards, and CRM systems - API integrations with ERP, LMS, payment gateways, and third-party platforms - Performance optimisation, Core Web Vitals, and website speed improvement - Debugging and stabilising broken, slow, or failing websites AI Agent and Workflow Automation - AI-powered lead intake, qualification, and enquiry handling - Chatbot-to-CRM and chatbot-to-email automation flows - Booking and appointment automation workflows - Automated lead routing and structured team notifications - Webhook-based integrations connecting any two platforms - n8n, Zapier, and Make workflow builds - End-to-end business process automation replacing manual work WHAT MAKES THIS COMBINATION POWERFUL Most developers hand you a finished website and stop there. Most automation specialists build workflows but do not understand the systems underneath. I do both โ€” which means I can automate things at a deeper level, connect your front-end to your back-end logic, and build solutions that actually fit how your business runs. For example: "For one of my clients, I built a WooCommerce store connected to an n8n workflow that automatically qualifies incoming leads and routes them to the right team member โ€” eliminating two hours of manual work every day." PROBLEMS I SOLVE - WooCommerce requirements no plugin can handle - Websites breaking after updates or throwing fatal errors - Data not syncing correctly between platforms or APIs - Repetitive manual tasks that should have been automated months ago - AI tools sitting unused because they are not connected to anything real - Systems that grew without a plan and now need a developer who can see the full picture HOW I WORK Before I write a single line of code or build a single automation step, I take time to understand what your business actually needs โ€” and I will tell you honestly if there is a simpler way to get there. My approach is structured and transparent. You will always know what I am building, why, and what comes next. AVAILABILITY Available for full-stack development projects, AI workflow automation builds, combined development and automation projects, and long-term retainer support. Describe what you are trying to build or automate โ€” I will tell you exactly how I would approach it.

  • Laravel
  • WordPress
  • React
  • Node.js
  • WooCommerce
  • Website Redesign
  • Elementor
  • Theme Customization
  • Plugin Development
  • WordPress Plugin
  • Plugin Customization
  • WordPress Development
  • Ecommerce Website
  • Shopify Development
  • AI Chatbot
  • Automated Workflow
  • AI Agent Development
Madhu K.

Melbourne, Australia

$28/hr
4.8
32 jobs

๐ˆ๐ฌ ๐ฒ๐จ๐ฎ๐ซ ๐–๐จ๐ซ๐๐๐ซ๐ž๐ฌ๐ฌ ๐ฐ๐ž๐›๐ฌ๐ข๐ญ๐ž ๐ก๐š๐œ๐ค๐ž๐, ๐ข๐ง๐Ÿ๐ž๐œ๐ญ๐ž๐ ๐ฐ๐ข๐ญ๐ก ๐ฆ๐š๐ฅ๐ฐ๐š๐ซ๐ž, ๐ฌ๐ก๐จ๐ฐ๐ข๐ง๐  ๐š ๐œ๐ซ๐ข๐ญ๐ข๐œ๐š๐ฅ ๐ž๐ซ๐ซ๐จ๐ซ, ๐ซ๐ฎ๐ง๐ง๐ข๐ง๐  ๐ฌ๐ฅ๐จ๐ฐ๐ฅ๐ฒ, ๐จ๐ซ ๐ฅ๐จ๐ฌ๐ข๐ง๐  ๐ซ๐š๐ง๐ค๐ข๐ง๐ ๐ฌ ๐š๐Ÿ๐ญ๐ž๐ซ ๐š๐ง ๐ฎ๐ฉ๐๐š๐ญ๐ž ๐จ๐ซ ๐ฆ๐ข๐ ๐ซ๐š๐ญ๐ข๐จ๐ง? I'm a Top Rated WordPress & PHP Developer with a 100% Job Success Score and 5+ years of experience helping businesses recover websites, fix critical errors, perform SEO-safe migrations, improve Core Web Vitals, and solve technical SEO problems that impact traffic and revenue. Unlike many developers who only fix the symptom, I focus on identifying the root cause so the problem doesn't come back. ๐‘๐ž๐œ๐ž๐ง๐ญ ๐‘๐ž๐ฌ๐ฎ๐ฅ๐ญ๐ฌ: โ–ธ Hacked website recovered, Google blacklist removed, and search visibility restored โ–ธ PHP upgraded from 7.4 to 8.3 with zero downtime and security vulnerabilities patched โ–ธ 500 Internal Server Error fixed after three developers failed โ–ธ Custom WordPress functionality built in PHP โ–ธ SEO-safe migration completed with 4,000 redirects and rankings preserved โ–ธBuilt a responsive, fast-loading, and SEO-optimized Elementor website ๐‡๐จ๐ฐ ๐ˆ ๐‚๐š๐ง ๐‡๐ž๐ฅ๐ฉ: ๐Ÿ” ๐–๐จ๐ซ๐๐๐ซ๐ž๐ฌ๐ฌ ๐Œ๐š๐ฅ๐ฐ๐š๐ซ๐ž ๐‘๐ž๐ฆ๐จ๐ฏ๐š๐ฅ & ๐’๐ž๐œ๐ฎ๐ซ๐ข๐ญ๐ฒ ๐‡๐š๐ซ๐๐ž๐ง๐ข๐ง๐  Site hacked? Malware infection? Japanese SEO spam? Google blacklist warning? Redirect hack? Suspicious code? Recurring reinfections? You'll get every infected file cleaned, malware removed, vulnerabilities patched, and your website hardened against future attacks. I can also help resolve Search Console issues, manual actions, and hacked site warnings. ๐Ÿ› ๐–๐จ๐ซ๐๐๐ซ๐ž๐ฌ๐ฌ ๐๐ฎ๐  ๐…๐ข๐ฑ๐ž๐ฌ & ๐‚๐ซ๐ข๐ญ๐ข๐œ๐š๐ฅ ๐„๐ซ๐ซ๐จ๐ซ ๐‘๐ž๐ฌ๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง White screen of death? 500 Internal Server Error? Critical WordPress error? Outdated PHP version causing compatibility issues? Plugin or theme conflict after an update? Database connection error? Admin locked out? Broken contact forms? PHP Fatal errors? Memory limit errors? SSL issues? Whatever broke your website, I'll identify the root cause and implement a proper fix so the problem doesn't return. ๐Ÿš€ ๐“๐ž๐œ๐ก๐ง๐ข๐œ๐š๐ฅ ๐’๐„๐Ž & ๐’๐ฉ๐ž๐ž๐ ๐Ž๐ฉ๐ญ๐ข๐ฆ๐ข๐ณ๐š๐ญ๐ข๐จ๐ง Slow website? Poor Core Web Vitals? Low PageSpeed score? Crawl errors? Indexing issues? Search Console warnings? Redirect chains? Broken links? Duplicate content? Sitemap issues? Canonical problems? Rankings dropped after migration? I'll improve your Core Web Vitals, optimize PageSpeed, resolve indexing and crawlability issues, clean up redirects, and make sure your website is technically sound for search engines. ๐Ÿ”„ ๐’๐„๐Ž-๐’๐š๐Ÿ๐ž ๐Œ๐ข๐ ๐ซ๐š๐ญ๐ข๐จ๐ง & ๐‡๐จ๐ฌ๐ญ๐ข๐ง๐  ๐’๐ž๐ญ๐ฎ๐ฉ Moving your website? Changing domains? Switching hosting providers? Worried about losing rankings or traffic? Need email setup? You'll get a complete zero-downtime migration with SSL installation, DNS configuration, MX records, SMTP setup, email migration, and properly mapped 301 redirects to preserve rankings, traffic, and user experience. โš™๏ธ ๐–๐จ๐ซ๐๐๐ซ๐ž๐ฌ๐ฌ & ๐‚๐ฎ๐ฌ๐ญ๐จ๐ฆ ๐๐‡๐ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ Need a custom feature, website customization, or a complete WordPress website built from scratch? From complete WordPress websites and custom themes to plugin customization, Elementor websites, custom PHP development, API integrations, and bespoke functionality, you'll get a solution tailored exactly to your requirements. ๐๐จ๐ญ ๐ฌ๐ฎ๐ซ๐ž ๐ฐ๐ก๐š๐ญ'๐ฌ ๐œ๐š๐ฎ๐ฌ๐ข๐ง๐  ๐ญ๐ก๐ž ๐ข๐ฌ๐ฌ๐ฎ๐ž? ๐’๐ž๐ง๐ ๐ฆ๐ž ๐š ๐ฆ๐ž๐ฌ๐ฌ๐š๐ ๐ž ๐ฐ๐ข๐ญ๐ก ๐ญ๐ก๐ž ๐๐ž๐ญ๐š๐ข๐ฅ๐ฌ ๐š๐ง๐ ๐ˆ'๐ฅ๐ฅ ๐ฉ๐จ๐ข๐ง๐ญ ๐ฒ๐จ๐ฎ ๐ข๐ง ๐ญ๐ก๐ž ๐ซ๐ข๐ ๐ก๐ญ ๐๐ข๐ซ๐ž๐œ๐ญ๐ข๐จ๐ง. ๐ˆ ๐ญ๐ฒ๐ฉ๐ข๐œ๐š๐ฅ๐ฅ๐ฒ ๐ซ๐ž๐ฌ๐ฉ๐จ๐ง๐ ๐ฐ๐ข๐ญ๐ก๐ข๐ง ๐š ๐Ÿ๐ž๐ฐ ๐ฆ๐ข๐ง๐ฎ๐ญ๐ž๐ฌ.

  • WordPress Development
  • PHP
  • WordPress Migration
  • WordPress Security
  • WordPress Malware Removal
  • WordPress Bug Fix
  • WordPress Backup
  • MySQL
  • JavaScript
  • Website Maintenance
  • Technical SEO
  • Elementor
  • Plugin Development
  • Malware Removal
  • WordPress Theme
  • AI Development
  • Custom PHP
  • Search Engine Optimization
  • Google Search Console
Mohamed A.

Giza, Egypt

$25/hr
4.8
163 jobs

๐Ÿ† Top Rated Plus Freelancer โญ 100% Job Success Score โฐ 8,800+ Hours Delivered ๐Ÿ’ผ 15+ Years Experience in Software Engineering I am a Professional Software Engineer, WordPress Systems Architect, Backend Developer, and Cross-Platform Application Developer with a Bachelorโ€™s degree in Computer Engineering and over 15 years of experience designing and building complex production systems. I specialize in building and scaling enterprise-grade platforms including WordPress systems, WooCommerce stores, SaaS applications, APIs, mobile applications, AI systems, streaming platforms, and high-traffic infrastructures. My core expertise is not just development, but system design, architecture, and solving deep production-level problems such as failed migrations, performance bottlenecks, system instability, scalability issues, and complex backend logic challenges. ๐Ÿง  Backend & System Engineering I design and build scalable backend systems using custom PHP architecture, REST APIs, and modular system design approaches. My work includes microservices-style backend logic, business automation systems, and enterprise-level application structures. I also create full software architecture designs and system diagrams for web applications, APIs, SaaS platforms, and mobile ecosystems. ๐Ÿงฉ WordPress & WooCommerce Engineering I specialize in advanced WordPress development including custom plugins, WooCommerce customization, performance optimization, and production-level debugging. I also work with WordPress as a headless CMS, where it is used as a backend content system connected to modern frontend applications via APIs. ๐Ÿ”Œ API & Integration Systems I build REST APIs and integration layers for web and mobile applications, including WooCommerce APIs, Shopify applications, third-party system integrations, and cross-platform data communication systems. ๐Ÿ“ฑ Cross-Platform Mobile & Application Development I develop backend systems and application architectures for cross-platform mobile applications, including Android, iOS, and hybrid apps. I have experience building and publishing hybrid mobile applications using frameworks such as Cordova, enabling web-based applications to be deployed as native mobile apps across platforms. My work includes: Mobile backend APIs Real-time communication systems Data synchronization layers Scalable app backend architecture Hybrid mobile app development (Cordova-based applications) ๐ŸŽฌ Media & Streaming Systems I build media infrastructure systems including: HLS video streaming platforms Scalable media delivery systems Content distribution architecture High-load streaming backend systems ๐Ÿค– AI & Automation Systems I design and implement AI-powered systems and automation workflows, including: AI agents for business automation Intelligent backend workflows Data processing pipelines Automated decision systems Business logic automation systems ๐Ÿ—„๏ธ Data & Storage Systems I work with advanced data architectures including: MySQL, MariaDB, SQLite, MongoDB, Oracle File-system-based data architectures (FHS-style systems) Custom storage logic systems High-performance data processing pipelines Data extraction and aggregation systems โš™๏ธ Infrastructure & Server Engineering I handle infrastructure-level engineering including: Linux & Windows server management Hosting environments (cPanel, VPS, dedicated servers) Performance optimization (CPU, memory, DB tuning) Reverse proxy and CDN setups ๐ŸŽจ Frontend & UI Engineering I convert Figma designs into production-ready WordPress themes and frontend systems, ensuring responsive, optimized, and scalable UI implementations. ๐Ÿ“Š Data Extraction & Crawling Systems I build structured data extraction systems, crawling pipelines, and API-based data aggregation systems for business intelligence and automation workflows. ๐Ÿงฑ SaaS & Platform Engineering I build full SaaS and platform systems including: Multi-user platforms Marketplace systems Subscription systems High-traffic content platforms Enterprise dashboards and admin systems ๐Ÿ”ฅ WHAT I SOLVE BEST I specialize in solving difficult production problems including: Broken WordPress / WooCommerce systems Website full migrations High CPU / performance issues Database bottlenecks API integration failures Scaling and infrastructure instability Complex backend debugging Speed optimization tasks ๐Ÿง  CORE TECH STACK PHP, WordPress, MySQL, MariaDB, MongoDB, SQLite, File-system based architectures, Oracle, REST APIs, Linux, OpenLiteSpeed, cPanel, LiteSpeed Cache, caching systems, security hardening, WooCommerce, cloud infrastructure, mobile APIs, and automation systems. ๐ŸŽฏ WORKING APPROACH I focus on delivering clean, scalable, and production-ready systems that solve real business problems. My approach is simple: understand the system deeply, design the correct architecture, identify root causes accurately, and implement long-term stable solutions that improve performance, scalability, and reliability.

  • AJAX
  • API Integration
  • PHP
  • Data Scraping
  • jQuery
  • Page Speed Optimization
  • API Development
  • Plugin Development
  • PHP Script
  • API
  • WordPress
  • WooCommerce
  • SaaS
  • SQL
  • Web Application
Gaurav Kumar S.

Lucknow, India

$30/hr
4.9
258 jobs

Salesforce Ridge Consulting Partner. 1,000+ projects across 12+ countries, 40+ certifications. I help mid-market & enterprise teams ship Salesforce that drives ROI. We're AnavClouds Software Solutions โ€” a Salesforce Ridge Consulting Partner headquartered in India, serving clients across the US, UK, Canada, Australia, EU, and Middle East since 2016. What we deliver: โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿ”น SALESFORCE CONSULTING โ€ข Service Cloud, Sales Cloud, Experience Cloud, Marketing Cloud โ€ข Service Cloud Voice + Omni-Channel implementations โ€ข Apex, LWC, Flow Builder, custom integrations โ€ข Einstein AI, Agentforce, Data Cloud โ€ข AppExchange product development ๐Ÿ”น AI & ANALYTICS (AnavClouds Analytics.ai) โ€ข Custom voice bots & conversational AI โ€ข LLM integrations (Claude, GPT, custom RAG pipelines) โ€ข AI-powered project management & sales automation โ€ข Predictive analytics & dashboards ๐Ÿ”น STAFF AUGMENTATION โ€ข Dedicated Salesforce developers, admins, architects โ€ข Flexible engagement: hourly, monthly, project-based โ€ข Onshore PM + offshore delivery model Why teams hire us: โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โœ“ Ridge-tier Salesforce Partner (top-rated by Salesforce) โœ“ 40+ active certifications across Service, Sales, Marketing, Platform Dev โœ“ 1,000+ successful projects, 12+ countries โœ“ Daily standups, weekly demos, full Jira/Slack transparency โœ“ India HQ + flexible timezone overlap with US/UK/AU clients โœ“ NDA-ready, ISO-aligned delivery process Best fit for: โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” - Companies migrating to or scaling on Salesforce - ISVs building AppExchange products - Support orgs needing Service Cloud Voice / contact center on Salesforce - Founders building AI products who need engineering muscle - Teams needing reliable offshore Salesforce talent Let's talk โ€” share your project, get a free 30-min discovery call + scoping doc.

  • AJAX
  • HTML5
  • JavaScript
  • AngularJS
  • jQuery
  • Bootstrap
  • Java
  • PHP
  • Payment Gateway Integration
  • OAuth
  • Apex
  • DHTML
  • Salesforce App Development
  • jQuery Mobile
  • Salesforce CRM

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Don't just take our word for it

What is AJAX (Asynchronous JavaScript + XML)?

AJAX (Asynchronous JavaScript + XML) is a group of interrelated client- and server-side development technologies that allows parts of a webpage to be updated without having to reload the entire pageโ€”think of sites like YouTube, Google Maps, Gmail, and tabs within Facebook. It changed usability and the speed of web applications with its innovative concept: asynchronously exchanging small amounts of data with the server behind the scenes, without affecting the rest of the page.

AJAX makes features like drop-down menus, predictive text, auto-filled text, and more possible, all without clicking Refresh. What it means for servers is less stress on the network and faster operations. Thatโ€™s the core benefit of AJAX-enabled sites: overall, theyโ€™re more responsive and very efficient on both sides.

How does AJAX work?

AJAX calls are asynchronous, meaning theyโ€™re made behind the scenes, independently from each other and the site as a whole. When a browser makes an AJAX call to the server, it isnโ€™t stuck waiting for a response, halting all of the siteโ€™s functionality. Instead, the web service on the server will send the data back to the browser once the task is completed, where client-side scripts will process the response and deliver it to the user.

AJAX breakdown

AJAX uses the following technologies:

  • XML or JSON: the text-only format used to transfer data from server to browser script. Developers are increasingly using JSON over XML because of its native JavaScript compatibility.
  • CSS: the language used to style how the data will look onscreen
  • JavaScript: displays the data in the browser and processes user requests/interactions like clicks
  • XMLHttpRequest objects: the keystone of AJAX, they actually retrieve the data with the server behind the scenes. All modern browsers support XMLHttpRequests.

Callbacks vs. Postbacks.

Pre-AJAX, the rules for client calls to the serverโ€”basically, anything the browser requests from a database to make a site responsiveโ€”were โ€œpostbacks,โ€ plus server-side processing. Post-AJAX, the browser can โ€œcallback,โ€ requesting small amounts of data directly from the serverโ€”all without needing to wait for a postback.

Benefits of AJAX

  • Better speed and performance
  • More responsive, user-friendly websites and applications
  • Ease of development, thanks to JSON, jQuery, and compilers that help to streamline complex JavaScript code
  • Browser- and platform-independent. Also, Microsoft offers the AJAX Control Toolkit integrated into Visual Studio on the ASP.NET platform.
  • Ideally implemented for updating small bits of information within a web application
  • Allows text box autocomplete and predictive text
  • Wonโ€™t slow down with limited bandwidth. With AJAX callbacks, the server wonโ€™t get overloaded by requests, which would otherwise cause the app to slow down.

AJAX is just one advancements in the front-end development landscapeโ€”learn more about front-end web development and how AJAX fits into the client-side technology landscape as a whole.