What Vue.js does and where it's used
Vue handles what the user sees and how the interface responds to their actions: typing in a field, clicking a button, choosing a filter. A Vue component keeps markup, logic and styles in a single file, so it's easy to find, understand and change.
Typical Vue projects:
- CRM, accounting and ERP systems with lots of forms and tables;
- portals for customers, partners and dealers;
- admin panels for content and order management;
- online services with sign-up and subscriptions;
- interactive blocks inside a regular website.
Advantages of Vue.js
- Gentle learning curve. Templates look like HTML and the documentation is clear, so new developers get up to speed on a project quickly.
- Incremental adoption. Vue can be added to a single page of an old website instead of rewriting everything at once.
- Official tooling. Routing, the Pinia state store and Vite builds are maintained by the Vue team, so there's less risk of assembling an incompatible set of libraries.
- Clean code. A clear component format helps keep the project tidy even after several years of development.
- Lightweight. The framework itself is small, so interfaces load quickly even on low-end devices.
Limitations of Vue.js
- A smaller ecosystem than React. For niche tasks like complex editors or unusual charts, there are fewer ready-made components, and some have to be built.
- A smaller talent pool. Finding a Vue specialist is somewhat harder than finding a React one, especially for a large team.
- A painful move from Vue 2. Version 2 no longer receives updates, and moving to version 3 requires replacing some libraries and rewriting part of the code.
- SEO only with Nuxt. A "pure" Vue app is rendered in the browser, which isn't enough for public pages.
When to choose something else
Vue is a convenient tool, but not the only right one. We'll recommend another option if we see it better fits the task or your team's growth plans:
- If you're planning a large development team and the widest choice of ready-made libraries matters, React is the more logical choice.
- If there will be a companion mobile app and you want to share approaches and some code with it, again, React with React Native.
- If the website consists of service pages, news and forms, a CMS without a separate frontend framework is enough.
Interfaces for everyday work
An internal system is different from a website: people use it not for a minute but for an entire workday. So for these projects we focus on things that don't matter on a website:
- keyboard shortcuts and bulk actions on multiple records at once;
- table filters and columns that are remembered for each user;
- saving unfinished forms, so an accidentally closed tab doesn't wipe out entered data;
- clear error messages: what exactly is wrong and how to fix it;
- role-based permissions, so everyone sees only what they need for their job.
Vue with your backend
Vue works with any server that serves data through an API. A popular pairing is Vue and Laravel: server logic, database and permissions in PHP, with the interface in Vue. We also connect Vue to Node.js, Django and C# backends and to clients' existing systems.
If there's no API yet, we design it together with the interface, so screens get exactly the data they need instead of making dozens of requests per action. We maintain API documentation so both your developers and outside contractors can use it.
Keeping a large system fast
When a system has hundreds of thousands of records and dozens of sections, the interface starts to lag, not because of Vue, but because of decisions inside the project. We build in a few rules from the start:
- sections load only when the user navigates to them;
- tables fetch data from the server in batches, not all records at once;
- search and filters don't send a request on every keystroke;
- the shared store holds only what several sections genuinely need.
For existing projects, we start by measuring: which screens take the longest to open and what exactly is happening in the browser at that moment.
Migrating from Vue 2 to Vue 3
Many business systems still run on Vue 2. They work, but there are no new security fixes, and new libraries are released only for Vue 3.
We start with an inventory: which libraries are in use and whether they have equivalents, how many components depend on changed mechanisms, and where the riskiest logic lives. Then we migrate the project in phases, replacing Vuex with Pinia and the old build setup with Vite along the way. The system keeps running for users throughout.
What affects cost and timeline
- The number of roles and screens, plus the complexity of their forms and tables.
- Backend status: a ready, documented API, or server-side development alongside the interface.
- Integrations: accounting systems, telephony, email, payment providers.
- For migrations: the amount of Vue 2 code and the number of libraries without direct equivalents.
- Design: an off-the-shelf component set or a custom design built around your processes.
We provide an exact estimate after learning your processes or auditing your existing code.
Frequently asked questions
How is Vue.js different from Nuxt? Vue is a framework for the interface. Nuxt adds server-side rendering, pages and SEO on top of it. An internal system usually only needs Vue; a public website needs Nuxt.
Can Vue be added to a site running on WordPress or OpenCart? Yes. A standalone block (a filter, calculator or form) can be built in Vue and embedded in existing pages.
Do we have to migrate off Vue 2? The system won't stop working, but the risks grow over time: vulnerabilities go unpatched and new libraries aren't available. It's best to plan the migration in advance.
Can our own developers join the project? Yes. We agree on code conventions and change review, and component documentation helps your team get involved.
Can Vue handle a large system? Yes. Project size is determined not by the framework but by architecture: modular structure, code conventions and typing.
Why Promodex
750+ projects since 2015: that's the track record of the Promodex team. Vue.js work in our portfolio includes CRM PX, Pro ERP, Online GYM and IngestAI. Interfaces, server logic and design are created by our in-house specialists, a team of 30+ people with no outsourcing. We're open about scope and priorities, and once the system is live, we fix, update and refine it as your processes change.