Analyze Slovnaft

SLOVNAFT, a.s. so sídlom v Bratislave, je rafinérsko-petrochemická spoločnosť s ročným spracovaním 5,5 - 6 miliónov ton ropy. Spoločnosť okrem výroby, skladovania, distribúcie a veľkoobchodného predaj...

Page load speed analysis

  • 65/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    353 ms

  • Resources loaded

    4 sec

  • Page rendered

    231 ms

  • Total page load time

    4.6 sec

Visit now to see the best up-to-date Slovnaft content for Slovakia and also check out these interesting facts you probably never knew about

We analyzed page load time and found that the first response time was 353 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Page optimization

  • HTML 47.5 kB
    Images 1.0 MB
    Javascripts 1.3 MB
    CSS 450.8 kB

    In fact, the total size of main page is 2.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

    • Original 47.5 kB
    • After minification 29.7 kB
    • After compression 6.5 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 17.9 kB, which is 38% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 41.0 kB or 86% of the original size.

    • Original 1.0 MB
    • After optimization 979.9 kB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Slovnaft images are well optimized though.

    • Original 1.3 MB
    • After minification 1.2 MB
    • After compression 372.6 kB

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 901.3 kB or 71% of the original size.

    • Original 450.8 kB
    • After minification 367.7 kB
    • After compression 56.8 kB

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 394.0 kB or 87% of the original size.

Network requests diagram

  • datetimepicker.css
  • uploadify.css
  • magnific.css
  • gallery.css
  • map.css
  • plugins.css
  • common.css
  • tooltipster.css
  • common_lub_sk.css
  • common_sk.css
  • template.css
  • jquery.min.js
  • jquery-noconflict.js
  • jquery-migrate.min.js
  • caption.js
  • bootstrap.min.js
  • modernizr.js
  • respond.js
  • mootools-core.js
  • core.js
  • mootools-more.js
  • vectormap.js
  • vectormap_world_mill_en.js
  • idangerous.swiper.min.js
  • menu.js
  • map.js
  • gallery.js
  • magnific.js
  • datetimepicker.js
  • jquerymx-3.2.custom.js
  • jquery.uploadify.min.js
  • autocomplete.js
  • TweenMax.min.js
  • plugins.js
  • formhandler.js
  • calculatorhandler.js
  • common.js
  • common_lub.js
  • tooltipster.js
  • isotope.js
  • common_sk.js
  • css
  • main_bg.png
  • fbevents.js
  • slovnaft_logo.png
  • header-menu-left.png
  • header-menu-arrow.png
  • submenu-border-pixel.gif
  • lang-switch-bg.png
  • header-menu-right.png
  • social_facebook.png
  • social_linkedin.png
  • social_youtube.png
  • social_twitter.png
  • social_instagram.png
  • header-search-icon_s.png
  • banner_bonus_klub.jpg
  • slide_evo-diesel.png
  • banner-slovnaft_winter_diesel.jpg
  • cover_station.jpg
  • cover_lubricant.png
  • effect_reflect.png
  • SLOV_banner_300x230_3a.jpg
  • tile_bonus_klub.jpg
  • fresh_corner_small_banner.jpg
  • cover_cards_bg.jpg
  • cover_card_green.png
  • futuratot-book.woff
  • cover_card_blue.png
  • cover_card_silver.png
  • cover_card_gold.png
  • cover_molgroup.jpg
  • cover_sms_notification.jpg
  • effect_lines_01.png
  • effect_lines_02.png
  • effect_lines_03.png
  • effect_lines_04.png
  • analytics.js
  • black_overlay.png
  • collect
  • ui.totop.png
  • error-404
  • arrows.png
  • slider_pagination_switch.png
  • slider_pagination_switch_active.png

Our browser made a total of 87 requests to load all elements on the main page. We found that 94% of them (82 requests) were addressed to the original, 2% (2 requests) were made to and 1% (1 request) were made to The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain

Additional info on


The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slovnaft. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result

IP address uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 3600
NS 3600
NS 3600

3600 Mname:
Serial: 2020121044
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum-ttl: 3600
MX 3600 Pri: 10

Language and encoding

Good result


SK sk language flag


SK sk language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 100% of all visits is Slovakia. It lies approximately 170 miles away from the server location (Hungary) and such a small distance can positively affect website speed, as data can travel really fast between those locations.

Good result

Good result

Social Sharing Optimization

Open Graph data is detected on the main page of Slovnaft. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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