Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vti.se

vti.se - vti.se

Page Load Speed

4.8 sec in total

First Response

690 ms

Resources Loaded

3.9 sec

Page Rendered

223 ms

vti.se screenshot

About Website

Click here to check amazing Vti content for Sweden. Otherwise, check out these important facts you probably never knew about vti.se

VTI är ett oberoende och internationellt framstående forskningsinstitut.

Visit vti.se

Key Findings

We analyzed Vti.se page load time and found that the first response time was 690 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

vti.se performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.107

88/100

15%

TTI (Time to Interactive)

Value8.8 s

36/100

10%

Network Requests Diagram

www.vti.se

690 ms

sitevision-responsive-grids.css

279 ms

sitevision-spacing.css

286 ms

SiteVision.css

105 ms

SiteVision.css

188 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 79% of them (41 requests) were addressed to the original Vti.se, 8% (4 requests) were made to Bildbank.vti.se and 6% (3 requests) were made to Svanalytics.containers.piwik.pro. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Vti.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.0 kB (16%)

Content Size

749.8 kB

After Optimization

632.8 kB

In fact, the total size of Vti.se main page is 749.8 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. 50% of websites need less resources to load. Javascripts take 401.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 73.3 kB

  • Original 89.2 kB
  • After minification 78.6 kB
  • After compression 15.9 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. This page needs HTML code to be minified as it can gain 10.6 kB, which is 12% 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 73.3 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 5.9 kB

  • Original 138.1 kB
  • After minification 132.3 kB

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. Vti images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 37.6 kB

  • Original 401.5 kB
  • After minification 401.3 kB
  • After compression 363.9 kB

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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 219 B

  • Original 121.0 kB
  • After minification 121.0 kB
  • After compression 120.8 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. Vti.se has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (66%)

Requests Now

38

After Optimization

13

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vti. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vti.se accessibility score

100

Accessibility Issues

Best Practices

vti.se best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vti.se SEO score

100

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    SV

  • Language Claimed

    SV

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vti.se can be misinterpreted by Google and other search engines. Our service has detected that Swedish is used on the page, and it matches the claimed language. Our system also found out that Vti.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.

Social Sharing Optimization

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