Click on the blocked page url in your browser's address bar, select "copy" to copy the page's url. Then paste the page into the text field below.
When you click "Submit" the achive.is page will open a new browser window with the new archive.is injected page. https://archive.is/blah.com
If archive.is have the article, there will be a link to it on the newly opened browser page. Click the Link and read the article.