Examples of using Multiple urls in English and their translations into Vietnamese
{-}
- 
                        Colloquial
                    
 - 
                        Ecclesiastic
                    
 - 
                        Computer
                    
 
Also multiple URLs with the same content?
Keep in mind that you can add multiple URLs.
For multiple urls simply use a comma between them.
Various ways to canonicalize multiple urls.
Some CMS end up creating multiple URLs(and duplicate content) by default, based on how a visitor got to that page.
There are different ways to canonicalize multiple URLs.
Sly redirects- redirecting through multiple URLs, rotating destination domains cloaking with 100% frame and JavaScript redirects.
There are different ways to canonicalize multiple URLs.
Hash prefixes are the same across multiple URLs, which means the hash prefix received by Safari does not uniquely identify a URL.
Such varied URL behavior can lead to 404 pages andsplit reputation between multiple URLs, hurting the ranking of content.
Canonical Tags- When multiple URLs contain the same content, the rel=canonical element will help Bing figure out which is the original.
In the world of content management and online shopping systems,it's common for the same content to be accessed through multiple URLs.
Having the same content on multiple URLs is certainly a detriment to the ability of a site to gain and keep top placement in search results.
Depending on how you link to pages internally or how others link to them externally,search engines will eventually discover these multiple URLs.
Google also mentions that if you are doing testing that has multiple URLs, you can use the rel=”conical” link attribute in all but the original URL.
In case you maintain multiple URLs and you recognize a user is visiting a desktop page from a mobile device and you have an equivalent mobile page at a different URL, then redirect the user to that URL instead of displaying a 404 error.
This is fundamentallyflawed in that we can end up with the site running on multiple URLs, each with a canonical URL claiming that they are the authoritative version.
If you are serving the same content on multiple URLs, the search robots may consider it duplicate and may charge you under the infringement of the copyright policy they follow.
It's the best way to avoid duplicate content issues on your site,caused by search engines crawling multiple URLs that contain the same or close to identical content on them.
If you have a single page accessible by multiple URLs, or different pages with similar content(for example, a page with both a mobile and a desktop version), Google sees these as duplicate versions of the same page.
If your structured data is on a page other than the one containing the full text of the review,or if you have multiple URLs for the full-text review, you must populate this field.
In other words, if you have a web page accessible by multiple URLs, or different pages with similar content(ie. separate mobile and desktop versions), you should specify to a search engine which URL is authoritative(canonical) for that page.
This could mean not enough content on each page(“thin content”),similar or missing title tags and meta descriptions, or multiple URLs pointing to the same page(“duplicate content”).
If you find that people are accessing the same content through multiple URLs, setting up a 301 redirect from non-preferred URLs  to the dominant URL is a good solution for this.
If a website is giving you 404 error on multiple URLs while being accessible on other networks(like mobile), then it's possible that your ISP has blocked access to that website, or that their DNS servers are not working properly.
If your site has identical orvastly similar content that's accessible through multiple URLs, this format provides you with more control over the URL returned in search results.
Actually, the search engine does not"enjoy" the work you create multiple URLs but pointing to one page of unique content, but rather, the apparatus This search will be conducted filtering and sorting for each URL, and consequently your products quickly relegated in the standings.
Use rel=“canonical”:Google suggested that if you're running an A/B test with multiple URLs, you can use the rel=“canonical” link attribute on all of your alternate URLs  to indicate that the original URL is the preferred version.
These include the ones we usually see used as doorway pages,where you're redirected through multiple URLs before you end up at the final landing page- a page which usually has absolutely nothing to do with the original link you clicked.