The industry standardization trend of mini programs

With the rapid development of mobile internet, mini-programs have become an important bridge connecting users and services. As an industry pioneer, WeChat Mini Programs' standardization trend not only influences developers' technology choices but also drives the standardization process of the entire ecosystem. From technical architecture to design specifications, from unified interfaces to performance optimization, standardization is becoming the core direction of mini-program development.

Standardization Evolution of Technical Architecture

The technical architecture of WeChat Mini Programs has undergone multiple iterations, gradually forming a standardized development model. In the early stages, mini-program development suffered from fragmentation, with different teams adopting different technology stacks, leading to high maintenance costs. Today, the technical solutions provided by the official mini-program platform have become the de facto industry standard.

Take page routing as an example. The standardized routing API has unified navigation behavior:

// Standardized routing navigation example
wx.navigateTo({
  url: '/pages/product/detail?id=123'
})

wx.redirectTo({
  url: '/pages/login/index'
})

The component system has also undergone significant standardization. Basic components such as view, text, and image have formed a cross-platform unified specification:

<!-- Standardized component usage example -->
<view class="container">
  <text>Standardized text component</text>
  <image src="/assets/logo.png" mode="aspectFit"></image>
</view>

Unified Design Language Specifications

The WeUI design system launched by WeChat has become the de facto standard for mini-program UI. This design specification not only includes visual elements but also defines interaction logic and animation standards.

The color system adopts a standardized palette:

/* Standard color variable example */
:root {
  --weui-BRAND: #07C160;
  --weui-TEXT: #333333;
  --weui-BG: #F7F7F7;
}

The layout system follows the 750rpx benchmark width specification to ensure multi-device adaptation:

/* Responsive layout example */
.container {
  width: 750rpx;
  padding: 32rpx;
}

.item {
  width: 345rpx;
  margin-right: 30rpx;
}

Standardization Process of Interface Specifications

The standardization of mini-program APIs has significantly reduced developers' learning costs. Taking network requests as an example, the standardized wx.request interface unifies parameter formats and return structures:

// Standardized network request
wx.request({
  url: 'https://api.example.com/data',
  method: 'GET',
  success(res) {
    console.log(res.data)
  },
  fail(err) {
    console.error(err)
  }
})

Payment interfaces have also formed a cross-platform unified standard:

wx.requestPayment({
  timeStamp: '',
  nonceStr: '',
  package: '',
  signType: 'MD5',
  paySign: '',
  success(res) {},
  fail(err) {}
})

Standardized Measurement of Performance Metrics

The mini-program performance scoring system has established industry-standardized measurement metrics. The official performance panel defines key indicators:

// Performance monitoring example
wx.reportPerformance(1001, Date.now() - startTime)

// Key performance metrics
const metrics = {
  FMP: 1500,  // First Meaningful Paint
  FCP: 800,    // First Contentful Paint
  TTI: 2000    // Time to Interactive
}

Preloading specifications optimize user experience:

// Standardized preloading example
wx.preloadPage({
  url: '/pages/next/page',
  complete() {
    console.log('Preloading completed')
  }
})

Mandatory Security Requirements

The mini-program platform has gradually improved security standards, including:

1. HTTPS mandatory requirements
2. Standardized content security detection interfaces
3. User privacy agreement specifications

Content security detection example:

wx.checkTextSecurity({
  content: 'Text to be checked',
  success(res) {
    if (res.risk) {
      console.warn('Content violation')
    }
  }
})

Rise of Cross-Platform Standards

With the popularity of multi-end frameworks for mini-programs, cross-platform standards are gradually forming. Cross-end solutions like Taro enable unified code:

// Cross-platform component example
import { View, Text } from '@tarojs/components'

function CrossPlatformComp() {
  return (
    <View>
      <Text>Cross-platform text</Text>
    </View>
  )
}

Standardized compilation configuration:

// Standardized cross-platform configuration
{
  "output": {
    "weapp": "./dist/weapp",
    "h5": "./dist/h5"
  },
  "plugins": [
    "@tarojs/plugin-weapp",
    "@tarojs/plugin-html"
  ]
}

Standardized Ecosystem of Development Tools

WeChat Developer Tools integrate multiple standardized features:

1. Code quality inspection
2. Performance analysis tools
3. Security scanning functions

Automated testing example:

// Standardized test case
describe('Page test', () => {
  it('Should render the title correctly', () => {
    const page = testPage.create()
    expect(page.data.title).toBe('Standard title')
  })
})

Standard Integration of Commercial Components

Standardized ad component integration:

// Standard ad component configuration
wx.createBannerAd({
  adUnitId: 'standard_ad_unit',
  style: {
    width: 300,
    height: 250
  }
})

Standardized callback handling for payment components:

wx.requestPayment({
  ...paymentParams,
  complete(res) {
    // Standardized result handling
    if (res.errMsg === 'requestPayment:ok') {
      // Standard payment success handling
    }
  }
})

Standard Interfaces for Data Analysis

Unified data analysis interface specifications:

wx.reportAnalytics('standard_event', {
  key1: 'value1',
  key2: 'value2'
})

Standard performance monitoring reporting:

wx.reportPerformance(1001, duration, {
  extra1: 'value1',
  extra2: 'value2'
})

Continuously Evolving Standardization System

The mini-program standardization system continues to evolve, with recent updates including:

1. WebAssembly standard support
2. WebGL 2.0 unified interfaces
3. Enhanced Web Components standards

WebAssembly example:

// Standardized WASM loading
wx.loadWebAssembly({
  url: '/module.wasm',
  success(module) {
    const instance = module.exports
    instance._initialize()
  }
})