SEO Checker

Features

1. Check if the HTML file applies the SEO rules.
2. You can use Stream to Read/Write file.

Installing

Using npm:

npm install @jeremysu0131/seo-checker

Input Methods

1. readFile: Read a HTML file
2. Use fs.createReadStream to create a read stream, then use pipe to pipe chunk to the method you specified.

Check Methods

1. checkImage: Detect if any img tag without alt attribute
2. checkLink: Detect if any a tag without rel attribute
3. checkTitle: Detect if header doesn’t have title tag
4. checkMeta: Detect if header doesn’t have the tag you specified
5. checkStrong: Detect if there’re more than 15 strong tag in HTML (15 is a default value and you can configurable by yourself)
6. checkH1: Detect if a HTML have more than one h1 tag

Output Methods

1. printResultsToConsole: Print check results to console
2. writeResultsToFile: Write results to file
3. Custom: You can write your custom results style by pipe the chunk to your custom method

Example

Performing a read HTML file sample

import { Check } from '@jeremysu0131/seo-checker';

Check.readFile('./test.html')
  .checkImage()
  .checkH1()
  .checkMeta('keywords', 'descriptions')
  .printResultsToConsole();

// Output:
// <h1> tag is more than one. Total: 2
// Meta have "keywords" but not have "descriptions"
// There are 2 <img> tag without alt attribute.

Performing a read HTML file as Stream sample

import fs from 'fs';
import { CheckStream } from '@jeremysu0131/seo-checker';

// Create a read stream
const rs = fs.createReadStream('./test.html');

// Pipe the stream to every method
rs.pipe(CheckStream.detectImage())
  .pipe(CheckStream.detectLink())
  .pipe(CheckStream.detectTitle())
  .pipe(CheckStream.detectMeta('keywords', 'descriptions'))
  .pipe(CheckStream.detectStrong())
  .pipe(CheckStream.detectH1())
  .pipe(CheckStream.writeResultsToFile('./test.txt')); // Save results to file