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Kth.se Välkommen till KTH | KTH

Sedan starten 1827 har KTH utvecklats till ett av Europas ledande tekniska universitet och en viktig arena för kunskapsutveckling. Som Sveriges största universitet för teknisk forskning och utbildning samlar vi studenter, forskare och fakultet frå...

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Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.31 sec.
Last Checked: 08/07/2019

Kth.se receives about twenty thousand unique visitors and seventy thousand pageviews per day. The estimated value of kth.se is one million USD. Each unique visitor makes about 3.21 pageviews on average.

Over the time kth.se has been ranked as high as 5,105 in the world, while most of its traffic comes from Sweden, where it reached as high as 55 position.

It’s good for kth.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.

At the time of the last check (July 05, 2019) kth.se has a valid and up-to-date SSL certificate that expires on December 11, 2019.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust kth.se is quite a safe domain.

Mobile-Friendly test indicates that kth.se is well optimized for mobile and tablet devices, however website page loading time could be improved.

Global Rank
10,281
Average Load Time
1.79sec
Links In Count
7,466
Website Value
$1.1 M
Overview
Last Updated: 08/23/2019
Overall result - "kth.se" is SAFE.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 01/12/2019
NCS "kth.se" OK.

Norton ConnectSafe evaluates kth.se for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 02/07/2019
GSS "kth.se" OK.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing
Last Updated: 01/09/2019
Malware not found at "kth.se".
"kth.se" is not a phishing page.
"kth.se" does not install unwanted software.
"kth.se" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 01/09/2019
SA "kth.se" OK.

McAfee assesses kth.se for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze kth.se for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/09/2019
WOT "kth.se" VERY GOOD.

The WOT calculates reputation of the kth.se. This reputation system receives ratings from users and information from third-party sources, assesses the kth.se for safety features and confirms, whether kth.se is suitable for children.

SSL Information
Domain ns-vip-01.sys.kth.se
Issuer TERENA SSL High Assurance CA 3
Algorithm RSA-SHA256
Valid form 12/03/2018
Expiration 12/11/2019
Signed Certificate is not self signed
Additional Domains ns-vip-01.sys.kth.se
kth.se
www.kth.se
Server Location
Stockholm
Stockholms lan
Sweden
ASN Information

ASN ID: 1653
ASN Title: SUNET SUNET Swedish University Network, SE

Last Update: 05/30/2019

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS1653 - AS1654'

as-block: AS1653 - AS1654
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2009-08-24T14:46:30Z
last-modified: 2014-02-24T13:15:15Z
source: RIPE

% Information related to 'AS1653'

% No abuse contact registered for AS1653

aut-num: AS1653
as-name: SUNET
descr: SUNET Swedish University Network
remarks: +------------------------------------------------+
remarks: | SUNET |
remarks: | |
remarks: | Send peering requests to: peering@sunet.se |
remarks: | Urgent problems? Please call +46 8 207 860 |
remarks: | Abuse/security issues to: abuse@cert.sunet.se |
remarks: +------------------------------------------------+
admin-c: NUN6-RIPE
tech-c: NUN6-RIPE
status: LEGACY
mnt-by: SUNET-MNT
created: 2002-09-13T07:36:44Z
last-modified: 2018-06-20T10:45:52Z
source: RIPE

role: Nordic University NOC
address: NUNOC
address: Tulegatan 11
address: SE-113 53 Stockholm
address: Sweden
phone: +46 8 207 860
fax-no: +46 8 207 866
admin-c: RB7694-RIPE
tech-c: PNI2-RIPE
tech-c: HE15
tech-c: FP5207-RIPE
tech-c: MB40-RIPE
tech-c: HUGG1-RIPE
nic-hdl: NUN6-RIPE
remarks: +--------------------------------------+
remarks: | NORDUnet (as2603) fault reporting: |
remarks: | phone: +46(0)8 20 78 60 |
remarks: | email: 247@nordu.net |
remarks: | |
remarks: | SUNET (as1653) fault reporting: |
remarks: | phone: +46(0)8 20 78 60 |
remarks: | email: 247@sunet.se |
remarks: | abuse: abuse@sunet.se |
remarks: | cert: cert@sunet.se |
remarks: +--------------------------------------+
abuse-mailbox: abuse@nordu.net
mnt-by: SUNET-MNT
mnt-by: NORDUNET-MNT
created: 2007-04-11T09:47:55Z
last-modified: 2018-05-08T12:40:14Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.91.2 (BLAARKOP)

HTML Metatags
Title
Välkommen till KTH | KTH
The title has an optimal length. Search engines typically displays the first 50–70 characters of a title tag. If you keep your titles under 70 characters, our research suggests that you can expect about 90% of your titles to display properly.
Description
Sedan starten 1827 har KTH utvecklats till ett av Europas ledande tekniska universitet och en viktig arena för kunskapsutveckling. Som Sveriges största universitet för teknisk forskning och utbildning samlar vi studenter, forskare och fakultet frå...
The description has optimal length. Keep in mind that the "optimal" length will vary depending on the situation, and your primary goal should be to provide value and drive clicks.
Encoding
UTF-8
You should always specify the encoding used for an HTML page. If you don't, you risk that characters in your content are incorrectly interpreted. This is not just an issue of human readability, increasingly machines need to understand your data too.
Language
sv Swedish
Identifying the language of your content allows you to automatically do a number of things, from changing the look and behavior of a page, to assisting search engines in extracting information. If part of the page uses text in a different language, you can add a language attribute with a different value to the element that surrounds that content.
Language Region
Sweden
Images
Attribute ALT
Line 963, ...<img src="/polopoly_fs/1.862462!/image/5gliten.jpg" alt="" height...
Line 1072, ...<img src="/polopoly_fs/1.857773!/image/45266148_437048876824208_3...
Line 1235, ...<img src="/polopoly_fs/1.863103!/image/Rezan%20puff.jpg" alt="" h...
Line 1335, ...<img src="/polopoly_fs/1.863022!/image/Stadsbild%20mellan.jpg" al...
Line 1984, ...<img src="/polopoly_fs/1.604463!/image/kthmagazine.png" alt="" he...
Line 2034, ...<img src="https://www.kthmagazine.se/sites/default/files/styles/c...
Line 2123, ...<img src="/polopoly_fs/1.260958!/image/Sigbritt-Karlsson-blogg.jp...
Line 2289, ...<img src="/polopoly_fs/1.670377!/image/finnveden-blogg.jpg" alt="...
Line 2844, ...<img src="/l.gif?type=URL_REQUEST&amp;referrer=&amp;a=1.2214&amp;...
As a general rule, search engines do not interpret the content of image files. The text provided in the <img alt> attribute enables the site owner to provide relevant information to the search engine and to the end user.
H1-H6 Tags Information

For search engines, <H> tags helps understand the structure of the text on a page better. For users, headings are like anchors in a wall of text, navigating them through the page and making it easier to digest. The <h1> tag reinforces the core keyword(s) found in the <title>, <description>, and the <body>. We recommend that the <h1> tag includes keywords that reflect the contents of the page and that it is not longer than 150 characters in length, but don’t overuse the tags and the keywords in them. Keep it readable for users.

H1
The H1 tag is missing
Your H1 introduces the topic your page is all about, just as a title tells a reader what a book is all about. Add a header to the page by using a H1 tag and place it within the BODY of the page source.
H2
6 H2 tag(s).
The H2s are akin to book chapters, describing the main topics you’ll cover in sections of the article.
H3
18 H3 tag(s).
Subsequent headers, H3s to H6s, serve as additional sub-headings within each section, just as a book chapter may be split up by multiple sub-topics.
H4
H5
H6
Iframes Information
iFrame
Line 350, ...<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KX7M...
Since search engines consider the content in iframes to belong to another website, the best you can hope for is no effect on SEO. Iframes tend to neither help nor hurt your search engine ranking. For this reason, it’s best to refrain from using iframes on main pages that you want to rank high in search engine results. Instead, fill high-priority pages with useful, unique content and save iframes for other pages.
Code To Text Ratio
Code To Text Ratio
3.10 %
A good code to text ratio is anywhere from 25 to 70 percent. This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information. This has become especially apparent since search engines, such as Google, released the Panda update which placed importance on content-driven sites.
Favicons

Favicons are the little piece of graphic that represents your brand on browser tabs, bookmark lists, search history, search ads and even search results. These files are placed in a file called favicon.ico and placed in the root directory of a website. There are no direct SEO effects of having favicons. However, there may be indirect benefits such as increased usability of site and bookmarks. It makes your website look more professional and help a users to remember your site while browsing through multiple URLs. If you want to get mentioned benefits you have to specify icons for different web browsers and sometimes even for different mobiles.

Default Favicon
Line 50, https://www.kth.se/img/v/8.19.3/icon/favicon.ico
Backup icon for most desktop browsers (if no icon of the right size is found). Tag format <link rel="shortcut icon" href="path-to-16x16-icon.ico" type="image/x-icon" />
16x16 Optional Favicon
Standard icon for outdated browsers or small resolution hand held devices. Tag format <link rel="icon" type="image/png" sizes="16x16" href="path-to-16x16.png">
32x32 Optional Favicon
Standard for most desktop browsers. Tag format <link rel="icon" sizes="32x32" href="path-to-32x32.png">
96x96 Optional Favicon
Mostly used as GoogleTV icon. Tag format <link rel="icon" type="image/png" sizes="96x96" href="path-to-96x96.png">
Default Apple Icon
Line 51, /img/icon/kth-mobile-icon.png
Backup icon for apple devices (if no icon of the right size is found). Preferrable size 60x60. Tag format <link rel="apple-touch-icon" sizes="72x72" href="path-to-small-icon.png">
180x180 Apple Icon
iPhone 6 plus icons. Tag format <link rel="apple-touch-icon" sizes="180x180" href="path-to-180x180.png">
152x152 Apple Icon
iPad, iPad mini icons. Tag format <link rel="apple-touch-icon" sizes="152x152" href="path-to-icon-152x152.png">
167x167 Apple Icon
iPad Pro icon. Tag format <link rel="apple-touch-icon" sizes="167x167" href="path-to-167x167.png">
Robots.txt Information

Robots.txt is a text file that website owners can create to tell search engine bots how to crawl and index pages on their site.

Robots File
Robots File Loaded successfully (robots.txt)
You can have multiple lines of instructions to allow or disallow specific URLs and add multiple sitemaps. If you do not disallow a URL, then search engine bots assume that they are allowed to crawl it.
Disallow
32 record(s)
Other User-Agent
1 record(s)
Default User-Agent
Not found
Sitemap

A sitemap is an XML file where is provided information about each URL: when it was last updated, how often it changes, and how important it is in relation to other URLs in the site. Search engines crawling bots read this file to more efficiently and intelligently crawl your site and to find URLs that may be isolated from rest of the site's content.

Default Sitemap
Sitemap File failed Loaded (sitemap.xml)
Your site will benefit from having a sitemap.
WHOIS

# Copyright (c) 1997- IIS (The Internet Foundation In Sweden).
# All rights reserved.
# The information obtained through searches, or otherwise, is protected
# by the Swedish Copyright Act (1960:729) and international conventions.
# It is also subject to database protection according to the Swedish
# Copyright Act.
# Any use of this material to target advertising or
# similar activities is forbidden and will be prosecuted.
# If any of the information below is transferred to a third
# party, it must be done in its entirety. This server must
# not be used as a backend for a search engine.
# Result of search for registered domain names under
# the .se top level domain.
# This whois printout is printed with UTF-8 encoding.
#
state: active
domain: kth.se
holder: kungli0702-00040
admin-c: -
tech-c: -
billing-c: -
created: 1985-08-28
modified: 2015-11-11
expires: 2020-12-31
nserver: a.ns.kth.se 130.237.72.246 2001:6b0:1::246
nserver: b.ns.kth.se 130.237.72.250 2001:6b0:1::250
nserver: nic2.lth.se
nserver: ns2.chalmers.se
dnssec: signed delegation
status: ok
registrar: SE Direkt

DNS Records
HostA RecordTTL
kth.se130.237.28.407200
HostMX RecordPriorityTTL
kth.semx-alt1.kth.se201800
kth.semx.kth.se101800
HostNS RecordTTL
kth.sens2.chalmers.se1800
kth.sea.ns.kth.se1800
kth.seb.ns.kth.se1800
kth.senic2.lth.se1800
HostTXT RecordTTL
kth.sefacebook-domain-verification=ybxcywd9y5omfyzv9a4hi1122pxhys3600
kth.segoogle-site-verification=6B_ijtuPLs8QEQOrY6CA9KNR6x_Tlq9h87fvzbQcTGk3600
kth.seKTH Royal Institute of Technology, SWEDEN3600
kth.seMS=ms869142673600
kth.sev=spf1 include:_spf.kth.se include:customers.clickdimensions.com ~all3600
kth.seadobe-idp-site-verification=9cb3a0e2a6197322d0dd6d29de0e1ac1ce9f990e3d5bd864aa4c19007f78ef913600

a.ns.kth.se
TTL: 1800
Email address: hostmaster.kth.se
Serial: 2019080801
Refresh: 14400
Retry: 900
Expire: 604800
Minimum: 86400

Errors
Line: 20 Column: 1 - 114
"...nonical"> <link href="https://www.kth.se/en" title="This page in English" hreflang="en-UK" type="text/html" rel="alternate"> <link..."
Line: 181 Column: 11 - 59
"... <li><a href="https://www.kth.se/en" hreflang="en-UK">Intern..."
Warnings
Line: 1193 Column: 3 - 75
"... <article class="block teaser top white" data-cid="1.865130" lang="sv-SE"> ..."

Last tested: 05/20/2017

Desktop
Desktop Speed
48%
Properly formatting and compressing images can save many bytes of data.
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Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Remove render-blocking JavaScript:

https://www.kth.se/script/core.js?v=9.2.7
https://www.kth.se/public/profile.jsp
https://www.kth.se/search/search/v/0.3/searchboxautocomplete.js

Optimize CSS Delivery of the following:

https://www.kth.se/css/kth.css?v=9.2.7
https://www.kth.se/polopoly_fs/1.707979!/separator-fix-v2.css
https://www.kth.se/polopoly_fs/1.652333!/modal.css
https://www.kth.se/polopoly_fs/1.609900!/kth-magazine.css

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:

https://www.kth.se/polopoly_fs/1.609900!/kth-magazine.css (expiration not specified)
https://www.kth.se/polopoly_fs/1.652333!/modal.css (expiration not specified)
https://www.kth.se/polopoly_fs/1.707979!/separator-fix-v2.css (expiration not specified)
https://www.kth.se/public/profile.jsp (expiration not specified)
https://www.kth.se/search/search/v/0.3/searchboxautocomplete.js (expiration not specified)
https://www.kth.se/polopoly_fs/1.206196!/image/stod-kth-knapp.png (10 minutes)
https://www.kth.se/polopoly_fs/1.260958!/image/KTH…399-kthstart-right.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.534555!/image/RebeccaR_P_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.534606!/image/Oktay_P_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.534610!/image/Reb…_retuschad_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.604463!/image/kthmagazine.png (10 minutes)
https://www.kth.se/polopoly_fs/1.607210!/image/Elma%20ny%20bild_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.669580!/image/_MG_0311_2_ret_335_240_3.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.670377!/image/finnveden-blogg.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.680798!/image/Sofia%20S_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.699475!/image/f9520503_670_377.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.725213!/image/gender-equality.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.77257!/KTH_Logotyp_RGB_2013-2.svg (10 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-KX7M7K (15 minutes)
https://connect.facebook.net/sv_SE/all.js (20 minutes)
https://apis.google.com/js/plusone.js (30 minutes)
https://www.kth.se/social/toolbar/widget.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 67.6KiB (64% reduction).

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Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.

http://kth.se/
http://www.kth.se/
https://www.kth.se/

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 3.5KiB (24% reduction).

Minifying https://www.kth.se/ could save 3.5KiB (24% reduction) after compression.

Desktop Resource Breakdown
Total Resources55
Number of Hosts14
Static Resources41
JavaScript Resources13
CSS Resources5

Last tested: 05/20/2017

Mobile
Mobile Usability
93%
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <input type="submit" class="button search"> is close to 1 other tap targets final.
The tap target <a href="http://www.kth.se/utbildning" class="standardLink">Sökande till utbildning</a> and 8 others are close to other tap targets final.
The tap target <a href="http://www.kth.se/utbildning" class="standardLink">Utbildning</a> and 13 others are close to other tap targets.

Mobile Speed
39%
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 714.3KiB (73% reduction).

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Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Remove render-blocking JavaScript:

https://www.kth.se/script/core.js?v=9.2.7
https://www.kth.se/public/profile.jsp
https://www.kth.se/search/search/v/0.3/searchboxautocomplete.js

Optimize CSS Delivery of the following:

https://www.kth.se/css/kth.css?v=9.2.7
https://www.kth.se/polopoly_fs/1.707979!/separator-fix-v2.css
https://www.kth.se/polopoly_fs/1.652333!/modal.css
https://www.kth.se/polopoly_fs/1.609900!/kth-magazine.css

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.

http://kth.se/
http://www.kth.se/
https://www.kth.se/

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:

https://www.kth.se/polopoly_fs/1.609900!/kth-magazine.css (expiration not specified)
https://www.kth.se/polopoly_fs/1.652333!/modal.css (expiration not specified)
https://www.kth.se/polopoly_fs/1.707979!/separator-fix-v2.css (expiration not specified)
https://www.kth.se/public/profile.jsp (expiration not specified)
https://www.kth.se/search/search/v/0.3/searchboxautocomplete.js (expiration not specified)
https://www.kth.se/polopoly_fs/1.206196!/image/stod-kth-knapp.png (10 minutes)
https://www.kth.se/polopoly_fs/1.260958!/image/KTH…399-kthstart-right.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.534555!/image/RebeccaR_P_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.534606!/image/Oktay_P_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.534610!/image/Reb…_retuschad_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.604463!/image/kthmagazine.png (10 minutes)
https://www.kth.se/polopoly_fs/1.607210!/image/Elma%20ny%20bild_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.669580!/image/_MG_0311_2_ret_335_240_3.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.670377!/image/finnveden-blogg.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.680798!/image/Sofia%20S_335_240.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.699475!/image/f9520503_670_377.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.725213!/image/gender-equality.jpg (10 minutes)
https://www.kth.se/polopoly_fs/1.77257!/KTH_Logotyp_RGB_2013-2.svg (10 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-KX7M7K (15 minutes)
https://connect.facebook.net/sv_SE/all.js (20 minutes)
https://apis.google.com/js/plusone.js (30 minutes)
https://www.kth.se/social/toolbar/widget.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 67.6KiB (64% reduction).

Compressing https://www.kth.se/polopoly_fs/1.77257!/KTH_Logotyp_RGB_2013-2.svg could save 51.7KiB (64% reduction).
Compressing https://www.kth.se/social/toolbar/widget.js could save 10.1KiB (70% reduction).
Compressing https://www.kth.se/img/icon/en_UK.svg?v=9.2.7 could save 4.6KiB (62% reduction).
Compressing https://www.kth.se/img/back-to-top.svg?v=9.2.7 could save 1.2KiB (58% reduction).

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 3.5KiB (24% reduction).

Minifying https://www.kth.se/ could save 3.5KiB (24% reduction) after compression.

Mobile Resource Breakdown
Total Resources55
Number of Hosts14
Static Resources41
JavaScript Resources13
CSS Resources5
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