Reviewing backlinking for search engine 'optimalisation'.
Backlink: "A backlink for a given web resource is a link from some other website (the referrer) to that web resource (the referent). A web resource may be (for example) a website, web page, or web directory. [...] The quantity, quality, and relevance of backlinks for a web page are among the factors that search engines like Google evaluate in order to estimate how important the page is." For more info see: Wikipedia.
We examine websites supported by SEO-company UpMention through backlinking. Clients of UpMention are mentioned on the bottom of www.upmention.nl. For the following domains data on backlinking is collected from www.ahrefs.com (see data folder):
Clusters of backlinking sources are indicated in the notebook Backlinking source analysis. Some insights:
- startpagina.nl, wazzzup.nl and blogspot.com are domains used for backlinking for Djoser, Inholland and Vattenfall.
- In total, the domain startpagina.nl has ~61m backlinks. In comparison: according to ahrefs.com popular websites, such as nrc.nl and wikipedia.com, have respectively ~5.9m and ~11.4m backlinks.
- ~9k out of total ~15k backlinks pointing to upmention.com are rooted in the website of beauty salon yczs. For instance, click on 'Gifts & specials' in the footer of the website.
- The Swhalian Wikipedia page about Internet is used to backlink to www.upmention.nl. Click on the link ’No cure no pay zoekmachine optimalisatie’ at the bottom of the page.
Development of the number of backlinks over time for djoser.nl and vattefall.nl are shown below. Source: www.ahrefs.com.