Page load speed analysis

  • 84/100

    Good result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    113 ms

  • Resources loaded

    525 ms

  • Page rendered

    135 ms

  • Total page load time

    773 ms

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We analyzed page load time and found that the first response time was 113 ms and then it took 660 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Page optimization

  • HTML 17.5 kB
    Images 534.0 kB
    Javascripts 176.4 kB
    CSS 88.0 kB

    In fact, the total size of main page is 815.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 534.0 kB which makes up the majority of the site volume.

    • Original 17.5 kB
    • After minification 16.7 kB
    • After compression 4.4 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 13.1 kB or 75% of the original size.

    • Original 534.0 kB
    • After optimization 518.7 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. Dataviz images are well optimized though.

    • Original 176.4 kB
    • After minification 133.4 kB
    • After compression 47.3 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 129.1 kB or 73% of the original size.

    • Original 88.0 kB
    • After minification 67.2 kB
    • After compression 18.8 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 69.2 kB or 79% of the original size.

Network requests diagram

  • content-module.css
  • date.css
  • datepicker.css
  • jquery.timeentry.css
  • filefield.css
  • lightbox_alt.css
  • node.css
  • defaults.css
  • system.css
  • system-menus.css
  • user.css
  • mollom.css
  • farbtastic.css
  • calendar.css
  • forum.css
  • views.css
  • jquery.jcarousel.css
  • jcarousel.css
  • skin.css
  • screen.css
  • blueprint.css
  • style.css
  • jquery.js
  • drupal.js
  • lightbox_video.js
  • lightbox.js
  • googleanalytics.js
  • mollom.js
  • jquery.jcarousel.js
  • jcarousel.js
  • jquery.example.min.js
  • init.js
  • general.js
  • ga.js
  • header_02.jpg
  • logo.jpg
  • button.jpg
  • user_name.png
  • login.png
  • part_03.jpg
  • play.jpg
  • tools.jpg
  • download.jpg
  • globus.jpg
  • menu-leaf.gif
  • img_slide_patchwork.png
  • slide_03.png
  • slide_01.jpg
  • slide_02.jpg
  • play_img.jpg
  • blue_bg.jpg
  • theme_img.jpg
  • vidi_tutorial.jpg
  • video_button.jpg
  • footer-logo.png
  • slider-prev-horizontal.png
  • slider-next-horizontal.png
  • slide_patchwork.jpg
  • knc_bg.jpg
  • __utm.gif
  • __utm.gif
  • print.css

Our browser made a total of 63 requests to load all elements on the main page. We found that 95% of them (60 requests) were addressed to the original, 5% (3 requests) were made to The less responsive or slowest element that took the longest time to load (114 ms) belongs to the original domain

Additional info on


The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dataviz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 23 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 3 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 300
NS 300
NS 300

300 Mname:
Serial: 2012081031
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum-ttl: 3600
MX 300 Pri: 30

Language and encoding

Good result


EN en language flag


EN en 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 English 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 22.7% of all visits is United States. It lies approximately 4940 miles away from the server location (Germany) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up page load time for the majority of users is moving the server to United States or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Dataviz. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

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