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Website Optimization Compressing Javascript and Css

  • 6th July 2016
  • Vasilis Vontikakis
  • webtech

One of the techniques that is used to optimize a website is to combine all the javascript files in one file and minify them. The same applies to css files. Optimizing the so called assets of the website is important for usability and seo purposes. The browser will make less calls for resource requests to the server and furthermore the combined js file will be significantly reduced in size. An immediate result would faster loading times of the web application, which is important if you want to achieve good seo results and better user experience, especially for those browsing from mobile ...

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UTM Codes to Measure Web Campaigns

  • 29th March 2016
  • Vasilis Vontikakis
  • webtech

When we run online marketing campaigns, we have to measure the performance of each campaign, so to be able to calculate the conversion rates and customer acquisition costs. Web traffic which is coming from various communication channels can be measured with tools like Google Analytics, Piwik, Mixpanel and using the UTM codes. Almost in all campaigns we use links in text ads, banners, emails newsletters an example is the following link, which is a just simple link that points to a registration page.

https://vontikakis.com/company/create

to use the UTM codes we have ...

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Elastic Search and Lucene

  • 22nd February 2016
  • Vasilis Vontikakis
  • webtech

Elasticsearch is search engine server where you can index your records and make a very effect search and ranking, when use millions of records. Elastic search use as base, a java project called Apache Lucene, elastic team build a REST api where you can use all the features of Lucene by making simple http request with data in json format.

So the logic is simple, initially you have to create a index on elastic server and after that you have to store data that you want be searchable, for example in a eshop you could store the title and description of all products. Then make an ...

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