The insights into the changes being made to Google's Quality Score algorithm will no longer be pre-announced - if they are detailed at all - according to a recent post at Inside Adwords blog.
"Since our systems frequently visit landing pages and update Quality Scores on a regular basis, we will no longer post advance notice of upcoming updates. We will, however, continue to inform you of any significant changes to landing page quality guidelines or the factors which are considered in calculating landing page quality," the post reported.
The part of this that shows we will not be getting all the details is in "continue to inform you of any significant changes to landing page quality guidelines or the factors which are considered in calculating landing page quality".
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