87 million domains pagerank and harmonic centrality

When we search "Common Crawl" on google,  knowledge graph states that "Common Crawl is a nonprofit 501 organization that crawls the web and freely provides its archives and datasets to the public. Common Crawl's web archive consists of petabytes of data collected since 2011. It completes crawls generally every month. Common Crawl was founded by Gil Elbaz."

SEO Forecasting

This blog post is published first on 2018-10-22  and updated on 2023-03-07.

SEO data analysis

This blog post is published first on 2018-10-18 and updated on 2019-08-20.

This article was first published on 15/09/2017 and updated on 15/09/2019

HTTP2

This article was first published on 06/08/2016 and updated  on 04/07/2018.

Homepage speed of top half million sites

Httparchive is a non profit organization tracking websites. It may remind you Internet Archive which collects and permanently stores the Web's digitized content however its aim is different. This organization is  not interested in collecting and storing the digitized  content but rather interested in recording how digitized content is constructed and served.

Alexa top 1 million sites data analysis

Which continents, countries belong Alexa's top 1 million sites in the world?

Have you ever wondered which countries, continents belong top 1 million sites in the world?

Is my site in google's mobile-first index?

Your site's web server logs will answer the question

As we know few sites have already moved to google’s mobile-first index.