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itm.su.se: ACES Department of Environmental Science and Analytical Chemistry - Stockholm University

Interdisciplinary research with impact. Problem-oriented education of high quality.​

Page load speed analysis

  • 44/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    531 ms

  • Resources loaded

    11.8 sec

  • Page rendered

    504 ms

  • Total page load time

    12.8 sec

Click here to check amazing Itm Su content for Sweden. Otherwise, check out these important facts you probably never knew about itm.su.se

We analyzed Itm.su.se page load time and found that the first response time was 531 ms and then it took 12.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Page optimization

  • HTML 60.1 kB
    Images 562.4 kB
    Javascripts 349.3 kB
    CSS 205.6 kB

    In fact, the total size of Itm.su.se main page is 1.2 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. 60% of websites need less resources to load. Images take 562.4 kB which makes up the majority of the site volume.

    • Original 60.1 kB
    • After minification 43.2 kB
    • After compression 9.1 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 16.9 kB, which is 28% 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 51.0 kB or 85% of the original size.

    • Original 562.4 kB
    • After optimization 509.5 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. Itm Su images are well optimized though.

    • Original 349.3 kB
    • After minification 346.5 kB
    • After compression 106.0 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 243.3 kB or 70% of the original size.

    • Original 205.6 kB
    • After minification 179.5 kB
    • After compression 33.6 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. Itm.su.se needs all CSS files to be minified and compressed as it can save up to 171.9 kB or 84% of the original size.

Network requests diagram

  • itm.su.se
  • www.aces.su.se
  • style.css
  • pagenavi-css.css
  • bootstrap.min.css
  • aces.css
  • main-menu.css
  • left-menu.css
  • webfont-kit-PMNCaecilia.css
  • font-awesome.min.css
  • flickity.min.css
  • css
  • css
  • jquery.js
  • jquery-migrate.min.js
  • bootstrap.min.js
  • aces.js
  • jquery.cycle2.min.js
  • parallax-1.3.1.min.js
  • flickity.pkgd.min.js
  • isotope.pkgd.min.js
  • wp-emoji-release.min.js
  • wp-embed.min.js
  • 2ea152
  • ga.js
  • logo-neg-engelsk_stor_150dpi.png
  • Decarbonize-150x150.jpg
  • image-Ilona-150x150.jpg
  • cop-paris-perspective-cropped-150x150.png
  • pancake-ice-300x190.jpg
  • orbitrap-300x190.jpg
  • Publications-300x190.jpg
  • posters-300x190.jpg
  • isotopes-300x190.jpg
  • Retrieving_CTD-300x190.jpg
  • bionalysis-300x190.jpg
  • analytical-chain-300x190.jpg
  • REACH-300x190.jpg
  • Dead-fish-300x190.jpg
  • exposure-chemicals-300x190.jpg
  • fate-and-sources-of-chemical-contaminants-300x190.jpg
  • particulate-matter-300x190.jpg
  • 12-300x190.jpg
  • portable-spectrometer-300x190.jpg
  • Atmosfar_miljo_webb_020.jpg
  • __utm.gif
  • DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
  • cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
  • MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf
  • 2EA152_1_0.woff
  • 2EA152_2_0.woff
  • fontawesome-webfont.woff
  • 2EA152_0_0.woff
  • glyphicons-halflings-regular.woff

Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Itm.su.se, 80% (43 requests) were made to Aces.su.se and 6% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.6 sec) relates to the external source Aces.su.se.

Additional info on itm.su.se

Requests

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itm Su. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

11

Javascripts

21

Images

12

CSS

4

AJAX

48

All

Possible request optimization

1

Javascripts

21

Images

1

CSS

4

AJAX

21

Optimized

27

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://aces.su.se before it reached this domain.

IP address

Itm.su.se 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

itm.su.se

crystone.net

bukefalos.com

prylportalen.se

ownlabel.se

195.74.38.62

DNS records

Type Host Target/ip TTL Other
A

itm.su.se

195.74.38.62 3600
NS

itm.su.se

ns2.su.se 3600
NS

itm.su.se

ns1.su.se 3600
NS

itm.su.se

ns3.su.se 3600
SOA

itm.su.se

300 Mname: ipam.su.se
Rname: hostmaster.su.se
Serial: 41
Refresh: 14400
Retry: 3600
Expire: 2419200
Minimum-ttl: 300

Language and encoding

Normal result

Language

EN en language flag

Detected

N/A  language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itm.su.se can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Itm.su.se 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

Itm.su.se 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 64.5% of all visits is Sweden. It’s good for Itm.su.se that their server is also located in Sweden, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Itm Su. 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:

itm.su.se

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