Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

kth.diva-portal.org

Simple search

Page Load Speed

2.2 sec in total

First Response

357 ms

Resources Loaded

1.7 sec

Page Rendered

138 ms

kth.diva-portal.org screenshot

About Website

Welcome to kth.diva-portal.org homepage info - get ready to check Kth Diva Portal best content for India right away, or after learning these important things about kth.diva-portal.org

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Key Findings

We analyzed Kth.diva-portal.org page load time and found that the first response time was 357 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

kth.diva-portal.org performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

91/100

10%

Network Requests Diagram

kth.diva-portal.org

357 ms

search.jsf

251 ms

theme.css.jsf

120 ms

windowhandler.js.jsf

219 ms

jsf.js.jsf

239 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Kth.diva-portal.org and no external sources were called. The less responsive or slowest element that took the longest time to load (600 ms) belongs to the original domain Kth.diva-portal.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.9 kB (79%)

Content Size

66.0 kB

After Optimization

14.1 kB

In fact, the total size of Kth.diva-portal.org main page is 66.0 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. 30% of websites need less resources to load. CSS take 42.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 12.6 kB

  • Original 18.4 kB
  • After minification 17.3 kB
  • After compression 5.8 kB

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 12.6 kB or 69% of the original size.

JavaScript Optimization

-84%

Potential reduce by 4.2 kB

  • Original 5.1 kB
  • After minification 2.2 kB
  • After compression 805 B

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 4.2 kB or 84% of the original size.

CSS Optimization

-82%

Potential reduce by 35.0 kB

  • Original 42.6 kB
  • After minification 29.1 kB
  • After compression 7.6 kB

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. Kth.diva-portal.org needs all CSS files to be minified and compressed as it can save up to 35.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (75%)

Requests Now

20

After Optimization

5

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kth Diva Portal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kth.diva-portal.org accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

kth.diva-portal.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kth.diva-portal.org SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kth.diva-portal.org 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 Kth.diva-portal.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Kth Diva Portal. 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: