What is Building Structure Audit?
As the name suggests, Alexa (owned by Amazon) is a popular ranking chart of first 50 millions of websites from all over the internet.
In order to have a higher position in Alexa ranking, a website should score at the following performance parameters:
- Average daily number of visits;
- Average daily number of unique visitors (number of persons, or in computer science – IPs, who are visiting a website in 24h);
- Average daily number of impressions;
- Average daily time spent on analyzed website;
- Average daily number of web pages visited on analyzed website;
- Average daily bounce rate (number of persons that left the analyzed website after their first contact with one of its web pages / total number of persons that visited the analyzed website in 24h – some of them browsing other web pages of it too) – the best case scenario value of this parameter is “0”;
Webmasters are usually wondering how Alexa crawlers are doing this without in-page trackers. Alexa is doing an estimation of these parameters using a complex array of interconnected algorithms, and this technique is not 100% accurate.
Alexa usually refreshes its website ranking once in 24h for the top of the chart (first 1.000.000 websites) and this time span increases as it approaches the bottom of the ranking chart.
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