Technical resources for SEO professionals. Data studies, troubleshooting frameworks, and API documentation.
In short Third-party indexers cost roughly $15-$100 per 1,000 links, while verifying index status with IndexChecker costs about $1.30 per 1,000. The biggest saving is not the cheapest indexer - it is checking status first and paying to index only the links that are actually missing, because a large share of any list is already […]
In short A backlink Google has not indexed passes zero ranking value, and across monitored link profiles a large share never get indexed on their own. The fix is a tiered protocol: check every link first, index only the ones that failed, and use the free Google Indexing API for domains you own and a […]
In short IndexChecker's project view turns a list of thousands of backlinks into a workspace: select links in bulk, re-check only the ones that matter to save credits, filter to links that just changed index status, and export a client-ready report. 1 credit checks 1 URL, so re-checking only your non-indexed links keeps a large […]
In short A "ghost link" is a backlink on a page Google has quietly dropped from its index - it still returns 200 OK and looks alive, but passes zero ranking value. IndexChecker's Status Change Detection compares each re-check against the last and flags every URL that flipped from Indexed to Not Indexed, so you […]