The frequency of crawling of different subdomains by search engines may differ. This may depend on the indexing settings, the robots.txt file (for each subdomain there must be a...
Ajax URLs may not be displayed correctly in search results because they are an asynchronously processed part of the page that depends on user action. Although the Ajax URLs have...
5xx response codes indicate a broken web server. These status codes are usually temporary. However, a large number of 5xx and regular repeats can affect the crawling of your...
You may have noticed that the number of crawled URLs in the Google Search Console “Crawl stats” report may differ from the number of URLs visited by search engines that you see...
If your website is perfectly on-page optimized, but the search engines get a lot of non-200 response codes, this can decrease the crawling budget. Search engines will crawl your...
If search engines receive a lot of 404 response codes, they can reduce the scanning frequency of your website. Also, 404 in the logs can indicate the following problems...
You may meet a situation when you check a page that returned a 4xx or 5xx response code to the search engine (you found this data in the logs). And when checking manually, the...
Regular scanning of the website by search robots ensures the updating of data in the index. The regularly crawled pages will also have an up-to-date snippet in the SERP. However,...
When the search robot user-agent requests the web page using the header "If-Modified-Since" or "If-None-Match" and the page has not changed since the requested time (usually this...
Page load time affects how often your website is crawled by search engines. The slower the pages, the less often the search engine will visit them. That is, pages that respond...