The issue was raised by Google software engineers Erik Hendriks and Michael Xu and Google Webmaster trends analyst Kazushi Nagayama in a May 23 post on the Google Webmaster Central Blog.
That step, however, can affect how pages are then seen by Google's search engine, they wrote.
"Sometimes things don't go perfectly during rendering, which may negatively impact search results for your site," they wrote. Several issues have come up that need to be analyzed by Webmasters so that their page rankings are not harmed.
In addition, if a business Web server "is unable to handle the volume of crawl requests for resources, it may have a negative impact on our capability to render your pages," they wrote. "If you'd like to ensure that your pages can be rendered by Google, make sure your servers are able to handle crawl requests for resources."