Eshop

El. parduotuvės privalės skelbti specialios svetainės adresą, kurios pagalba vartotojai ginčus su pardavėjais gali išspręsti be teismo. To nepadariusios parduotuvės bus baudžiamos. https://webgate.ec.europa.eu/odr/main/index.cfm?event=main.home.show&lng=LT

analytics matavimai kampaniju skemes is fb/adwords

http://blog.adstage.io/2013/11/26/tracking-conversions-with-google-analytics/

MySQL partitioning by column

ALTER TABLE `products` DROP PRIMARY KEY , ADD PRIMARY KEY ( `id` , `category` );
ALTER TABLE `products` PARTITION BY KEY(category) PARTITIONS 6;

PHP slugify url

static public function slugify($text)
{
  // replace non letter or digits by -
  $text = preg_replace('~[^\pL\d]+~u', '-', $text);

  // transliterate
  $text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);

  // remove unwanted characters
  $text = preg_replace('~[^-\w]+~', '', $text);

  // trim
  $text = trim($text, '-');

  // remove duplicate -
  $text = preg_replace('~-+~', '-', $text);

  // lowercase
  $text = strtolower($text);

  if (empty($text)) {
    return 'n-a';
  }

  return $text;
}

opencart themes

http://www.kulerthemes.com/

bootstrap above fold load ciritical css

https://www.appneta.com/blog/bootstrap-pagespeed/

Enable mod_pagespeed
<IfModule pagespeed_module>
    ModPageSpeed on
    ModPagespeedRewriteLevel CoreFilters
    ModPagespeedEnableFilters prioritize_critical_css
    ModPagespeedEnableFilters defer_javascript
    ModPagespeedEnableFilters sprite_images
    ModPagespeedEnableFilters convert_png_to_jpeg,convert_jpeg_to_webp
    ModPagespeedEnableFilters collapse_whitespace,remove_comments
</IfModule>

Minify CSS

yum compress JS and load async
$ cat jquery.js bootstrap.js holder.js > all.js
$ yui-compressor all.js -o all.min.js

Optimize CSS Delivery

Run a Javascript bookmarklet to detect and list CSS that is “above the
fold”
Inline the “above the fold” CSS directly into the HTML
Defer loading the rest of the “below the fold” CSS using a simple, yet
not cross browser compatible solution by Paul Irish

arba: https://github.com/addyosmani/critical 

bootlint - bootstrap error checker

https://github.com/twbs/bootlint

pakanka i koda ideti eilute
(function(){var s=document.createElement("script");s.onload=function(){bootlint.showLintReportForCurrentDocument([]);};s.src="https://maxcdn.bootstrapcdn.com/bootlint/latest/bootlint.min.js";document.body.appendChild(s)})();