Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

Page Load Speed

3.5 sec in total

First Response

405 ms

Resources Loaded

2 sec

Page Rendered

1.2 sec

operahogskolan.se screenshot

About Website

Welcome to operahogskolan.se homepage info - get ready to check Operahogskolan best content right away, or after learning these important things about operahogskolan.se

Konstnärlig högskola som utbildar och forskar inom cirkus, dans, danspedagogik, film, media, opera och scenkonst

Visit operahogskolan.se

Key Findings

We analyzed Operahogskolan.se page load time and found that the first response time was 405 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

operahogskolan.se performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

Network Requests Diagram

operahogskolan.se

405 ms

www.operahogskolan.se

318 ms

www.uniarts.se

593 ms

2715754e8d03d30d.css

212 ms

ab699959edbc876f.css

284 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 10% of them (2 requests) were addressed to the original Operahogskolan.se, 85% (17 requests) were made to Uniarts.se and 5% (1 request) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (593 ms) relates to the external source Uniarts.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 272.8 kB (71%)

Content Size

383.5 kB

After Optimization

110.7 kB

In fact, the total size of Operahogskolan.se main page is 383.5 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. HTML takes 349.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 263.6 kB

  • Original 349.2 kB
  • After minification 349.2 kB
  • After compression 85.5 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 263.6 kB or 76% of the original size.

JavaScript Optimization

-27%

Potential reduce by 9.2 kB

  • Original 34.4 kB
  • After minification 34.4 kB
  • After compression 25.2 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 9.2 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (76%)

Requests Now

17

After Optimization

4

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Operahogskolan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

operahogskolan.se accessibility score

75

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

operahogskolan.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

operahogskolan.se SEO score

77

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Document doesn't have a valid hreflang

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

    N/A

  • Language Claimed

    SW

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Operahogskolan.se can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Swahili. Our system also found out that Operahogskolan.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 PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: