Report Summary

  • 25

    Performance

    Renders faster than
    45% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

vittra.se

Startsida - Vittra

Page Load Speed

5.8 sec in total

First Response

1.6 sec

Resources Loaded

4 sec

Page Rendered

213 ms

vittra.se screenshot

About Website

Welcome to vittra.se homepage info - get ready to check Vittra best content for Sweden right away, or after learning these important things about vittra.se

En samhällsengagerad för- och grundskola. Mod och medvetet lärande – det är så vi på Vittra gör skillnad. Ställ ditt barn i kö hos oss.

Visit vittra.se

Key Findings

We analyzed Vittra.se page load time and found that the first response time was 1.6 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

vittra.se performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value1,880 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

vittra.se

1617 ms

default.css

531 ms

portal.css

333 ms

jquery.min.js

652 ms

TabStrip.Default.css

357 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 52% of them (36 requests) were addressed to the original Vittra.se, 25% (17 requests) were made to Static.xx.fbcdn.net and 14% (10 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Vittra.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.2 kB (43%)

Content Size

1.0 MB

After Optimization

573.6 kB

In fact, the total size of Vittra.se main page is 1.0 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. 50% of websites need less resources to load. Images take 450.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 33.8 kB

  • Original 42.5 kB
  • After minification 33.3 kB
  • After compression 8.6 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 9.1 kB, which is 21% 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 33.8 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 20.1 kB

  • Original 450.7 kB
  • After minification 430.7 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. Vittra images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 266.4 kB

  • Original 387.9 kB
  • After minification 365.5 kB
  • After compression 121.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 266.4 kB or 69% of the original size.

CSS Optimization

-90%

Potential reduce by 111.9 kB

  • Original 124.7 kB
  • After minification 101.8 kB
  • After compression 12.8 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. Vittra.se needs all CSS files to be minified and compressed as it can save up to 111.9 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (61%)

Requests Now

67

After Optimization

26

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vittra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vittra.se accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-*] attributes do not have valid values

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

vittra.se best practices score

75

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

vittra.se SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vittra.se can be misinterpreted by Google and other search engines. Our service has detected that Swedish is used on the page, and it does not match the claimed English language. Our system also found out that Vittra.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 description is not detected on the main page of Vittra. 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: