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Broken Links Checker compared with Screaming Frog and W3C Link Checker
Broken Links Checker (brokenlinkcheck.com)	스크리밍 프로그 SEO 스파이더	W3C Link Checker
Method and scope: You give the base URL and it crawls the site, reporting broken internal and external links on all pages it finds. It can be slow on large sites, and the browser must stay open on the page during the run.	Method and scope: A desktop crawler that finds 404 errors and server errors across a site. It also audits many other on-page SEO issues.	Method and scope: It reads an HTML or XHTML document and verifies that links and fragments resolve, that no anchor is defined twice, and warns about redirects. Recursive checking is available with a depth setting.
제한 사항 및 비용: Up to 3,000 links are checked without registration or fee. The free version has no result export.	제한 사항 및 비용: The free version crawls up to 500 URLs. The paid licence removes that limit, the maximum then depending on allocated memory and storage.	제한 사항 및 비용: It is open source under the W3C Software License. By default it waits 1 second between requests to each server, which is also the minimum.
플랫폼 및 설치: It runs in the browser, so nothing is installed.	플랫폼 및 설치: It runs on Windows, macOS and Linux.	플랫폼 및 설치: It is a command-line program or CGI script, installed from CPAN. The listed release is version 5.0.0 of June 2021.
Results and caveats: Each broken link is listed with the page that contains it and the server response, such as 404 or 503. False positives occurred when a remote site used a CDN that blocked the bot, so double-check. It complements Google Search Console.	Results and caveats: Errors can be exported together with their source URLs. Exports can also be scheduled or run from the command line.	Results and caveats: Warnings cover HTTP redirects, including directory redirects. The request timeout defaults to 30 seconds.

Broken Links Checker compared with Screaming Frog and W3C Link Checker

Broken Links Checker (brokenlinkcheck.com)

스크리밍 프로그 SEO 스파이더

W3C Link Checker

Method and scope: You give the base URL and it crawls the site, reporting broken internal and external links on all pages it finds. It can be slow on large sites, and the browser must stay open on the page during the run.

Method and scope: A desktop crawler that finds 404 errors and server errors across a site. It also audits many other on-page SEO issues.

Method and scope: It reads an HTML or XHTML document and verifies that links and fragments resolve, that no anchor is defined twice, and warns about redirects. Recursive checking is available with a depth setting.

제한 사항 및 비용: Up to 3,000 links are checked without registration or fee. The free version has no result export.

제한 사항 및 비용: The free version crawls up to 500 URLs. The paid licence removes that limit, the maximum then depending on allocated memory and storage.

제한 사항 및 비용: It is open source under the W3C Software License. By default it waits 1 second between requests to each server, which is also the minimum.

플랫폼 및 설치: It runs in the browser, so nothing is installed.

플랫폼 및 설치: It runs on Windows, macOS and Linux.

플랫폼 및 설치: It is a command-line program or CGI script, installed from CPAN. The listed release is version 5.0.0 of June 2021.

Results and caveats: Each broken link is listed with the page that contains it and the server response, such as 404 or 503. False positives occurred when a remote site used a CDN that blocked the bot, so double-check. It complements Google Search Console.

Results and caveats: Errors can be exported together with their source URLs. Exports can also be scheduled or run from the command line.

Results and caveats: Warnings cover HTTP redirects, including directory redirects. The request timeout defaults to 30 seconds.