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Hey there! Thanks for reaching out to us! Link Explorer and the Links tab of Moz Pro Campaigns are both tied to our Link index, which is constantly updating. Our index updates daily! Moz crawls and indexes billions of pages, adding fresh link data every day. When discovered or lost links are found, we'll update our database to reflect those changes in your scores and link counts. We prioritize the links we crawl based on a machine learning algorithm to mimic Google's index. Each day DA and PA will be updated to reflect this new data. This does not mean that DA and PA will change every day; it'll only change if we find new link data for a respective site. Feel free to write to us at help@moz.com so we can take a closer look at your website please. Looking forward to hearing from you, Eli

Hey there! I had a little dig into LDA (this tool was before my time) and it looks like a content relevancy analyzer. From what I understand, there are so many factors to consider in modern ranking algorithms and signals that there may not be one tool or metric that does this. Of course I could be wrong, so I hope other people jump in with their tool tips as well! In terms of Moz tools, I can suggest the Page Optimization tool in Moz Pro and MozBar. Resources below https://moz.com/help/guides/moz-pro-overview/on-page-optimization https://moz.com/help/guides/research-tools/mozbar I hope this is helpful! Cheers! Jo