Google’s John Mueller felt the necessity to submit a PSA that mentioned having an incorrect date set in your final modification date inside your HTTP header will not harm your website positioning. He mentioned on Mastodon, having an incorrect date set there “will not negatively have an effect on your website’s general website positioning if used wrongly.”

John wrote about recognizing an article that mentioned in any other case. He mentioned, “I bumped into an article in regards to the “last-modification” date HTTP header, which claimed it might be dangerous on your website positioning to have it set incorrectly (particularly, all the time set to “now’) by plugin.”

John mentioned nope, he wrote, “This isn’t the case, it isn’t dangerous for website positioning. Sure, it is good to make use of last-modification date headers appropriately, as this helps with crawling effectively, nevertheless it will not negatively have an effect on your website’s general website positioning if used wrongly. Your website will not rank decrease.”

John then linked to Google’s official documentation on crawl finances administration for big websites and serving to Google know your dates.

Here’s a screenshot of these tweets:

Discussion board dialogue at Mastodon.