HTTPcheckURLexists

2010年11月14日 — Better solution for HTTP : public static boolean exists(String URLName) try HttpURLConnection.setFollowRedirects(false); // note : you ...

2022年9月19日 — Related. 5 · Check if URL is valid or exists in java · 1 · Check if url exists without checking HTTP response · 0 · Check if a url exists · 12.

2013年8月8日 — final URL url = new URL(http://www.example.com); HttpURLConnection huc = (HttpURLConnection) url.openConnection(); int responseCode = huc ...

2020年3月25日 — You can use Node's https built-in module to determine the status code of the page. If the status code is 200 , you would know the page ...

2020年7月9日 — I'm trying to validate Google indexed URLs for a given domain in real time to return the valid pages count. I tried using PHP get_headers() and ...

2021年12月22日 — Something like the below. See HTTP head for more info. import requests urls = ['https://www.google.com' ...

2020年8月4日 — Your code creates a new connection for each URL. It should be faster to send multiple requests over the same connection via HTTP keep-alive.

2018年11月14日 — Your code looks good and it should be the easiest way to check for url. You might want to add a timeout in the HttpURLConnection.

2018年10月11日 — Try curl --head (HTTP FTP FILE) Fetch the headers only! status=$(curl --head --silent ftp://ftp.somewhere.com/bigfile.gz | head -n 1) ...

2022年3月17日 — In this tutorial, we'll be looking at how to check if a URL exists with an example in Java using the GET and HEAD HTTP methods. 2. URL Existence.