pyseoa-ts/dist/analyzer/h1.js

SEO analysis tools for the web, ported from pyseoa (Python) to TypeScript

import * as cheerio from 'cheerio';
export function analyzeH1(html) {
    const $ = cheerio.load(html);
    const h1Elements = $("h1");
    const h1Texts = [];
    h1Elements.each((_, el) => {
        const text = $(el).text().trim();
        if (text)
            h1Texts.push(text);
    });
    if (h1Texts.length === 0)
        return {
            score: 0,
            message: "Missing <H1> tag",
            h1Tags: [],
        };
    if (h1Texts.length > 1)
        return {
            score: 1,
            message: "Multiple <H1> tags found.",
            h1Tags: h1Texts,
        };
    return {
        score: 3,
        message: "Exactly one <H1> tag found.",
        h1Tags: h1Texts,
    };
}