A script to check links in all the WordPress posts to find out broken ones. Saves the report in CSV file. Based on WordPress API and only needs domain as input.

WpBroken.py

import requests
import csv
import concurrent.futures
import sys, time
import bs4

domain = sys.argv[1]
csv_file = sys.argv[2]

headers = {
    'authority': 'www.'+domain,
    'referer': 'https://'+domain,
    'user-agent': 'Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Mobile Safari/537.36',
    'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
    'sec-fetch-dest': 'document',
    'accept-language': 'en-US,en;q=0.9,tr;q=0.8',
}

links404 = []
pages = int(requests.get('https://www.' + domain + '/wp-json/wp/v2/posts', headers=headers).headers['X-WP-TotalPages'])

def getLinks(rendered_content):
    soup = bs4.BeautifulSoup(rendered_content, 'html.parser')
    return [link['href'] for link in soup('a') if 'href' in link.attrs]

def getStatusCode(link, headers, timeout=5):
    try:
        r = requests.head(link, headers=headers, timeout=timeout)
    except (requests.exceptions.SSLError, requests.exceptions.HTTPError, requests.exceptions.ConnectionError, requests.exceptions.MissingSchema, requests.exceptions.Timeout) as errh:
        print("Error in URL, ", link)
        return errh.__class__.__name__
    else:
        if r.status_code not in [200, 500, 503]:
            return str(r.status_code)

with concurrent.futures.ThreadPoolExecutor(max_workers = 4) as executor:
    futures = []
    for i in range(pages):
        post_data = requests.get('https://www.' + domain + '/wp-json/wp/v2/posts?page='+str(i+1), headers=headers).json()
        for data in post_data:
            print(data["link"])
            post_links = getLinks(data["content"]["rendered"])
            for url in post_links:
                futures.append(executor.submit(getStatusCode, url, headers))
            for future in concurrent.futures.as_completed(futures):
                info = {
                        "Post ID": data['id'],
                        "Post Link": data['link'],
                        "Broken Link": url,
                        "Status Code":future.result(),
                        }
            links404.append(info)

with open(csv_file, 'w+') as file:
    csvwriter = csv.DictWriter(file, fieldnames=list(links404[0].keys()))
    csvwriter.writeheader()
    csvwriter.writerows(links404)

print("Report saved in file: ", csv_file)

Run:

1. Open Terminal or Command Prompt on Windows with administrator privileges and make sure Python is installed.
2. Run pip install requests bs4
3. Run using syntax: python wpbroken.py <domain> <filename>
4. Example: python wpbroken.py example.com example.csv