Server-send events polling vs. WebSockets vs. Server-sent Events

Here is a very detail article about Server-send events.

there are code examples and awesome descriptions on the mechanism and logics behind server-send event polling.

https://www.html5rocks.com/en/tutorials/eventsource/basics/

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hreflang? what is it? where does it come from?

Hreflang tags are a technical solution for sites that have similar content in multiple languages. The owner of a multilingual site wants search engines to send people to the content in their own language. Say a user is Dutch and the page that ranks is English, but there’s also a Dutch version. You would want Google to show the Dutch page in the search results for that Dutch user. This is the kind of problem hreflang was designed to solve. And for the Webmasters who serve several versions of their content in different languages or for users in different countries should use hreflang annotations to help Google show the right version in the search results for each user. In this article, " How to implement hreflang tags... ", the author has lay out the steps from begin to finish on the right ways of implementing hreflang tags for your multilingual and multinational web sites. In another article, " hreflang: the ultimate guide ", the author has outlined the...

Grafana Labs - The analytics platform for all your metrics

Grafana allows you to query, visualize, alert on and understand your metrics no matter where they are stored. Create, explore, and share dashboards with your team and foster a data driven culture . https://grafana.com/grafana

How to Rank - A Quick Guide for SEO Newbies

Just came across this how-to article about web site ranking . https://www.blackhatworld.com/seo/how-to-rank-a-quick-guide-for-newbies.781273/ Step One: KW Research The biggest reason you are not 'Making Bank' is because you picked the wrong damn Key Word. KW means Key Word. That is the specific term you want to rank for. The biggest misconception on BHW is KW Competition. So I will break down how I determine what is KW competition: Super Easy: Top 10 Results have no On - Page Optimization for the KW and are not strong domains. Easy: Top 10 have a couple On - Page Optimization for the KW but they are not authority sites. Relatively Easy: Top ten are all Optimized for the KW but no authority sites. Medium: Top 10 has full On - Page Optimization and a couple (Maximum) Authority Sites. Hard: Top 10 has more than three Authority Sites Optimized or three sites with an excellent backlink profile. Very Hard: Top Ten has Six or More Authority / Strong Backlink ...

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