Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

onlinekalkylatorn.se

ONLINEKALKYLATORN - Miniräknare online

Page Load Speed

4.3 sec in total

First Response

459 ms

Resources Loaded

3.6 sec

Page Rendered

331 ms

onlinekalkylatorn.se screenshot

About Website

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

Avancerad miniräknare online, med 15 matematiska funktioner, 30 vetenskapliga konstanter, bråkform och komplett beräkningshistorik.

Visit onlinekalkylatorn.se

Key Findings

We analyzed Onlinekalkylatorn.se page load time and found that the first response time was 459 ms and then it took 3.9 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

onlinekalkylatorn.se performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value2,220 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.353

31/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

onlinekalkylatorn.se

459 ms

cb_header_bar.css

105 ms

main.css

209 ms

inputstyle.css

286 ms

calclib.js

285 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 21% of them (19 requests) were addressed to the original Onlinekalkylatorn.se, 11% (10 requests) were made to Tpc.googlesyndication.com and 10% (9 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (998 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 142.3 kB (10%)

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of Onlinekalkylatorn.se main page is 1.4 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. Only a small number of websites need less resources to load. Javascripts take 872.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 54.0 kB

  • Original 68.2 kB
  • After minification 66.1 kB
  • After compression 14.1 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 54.0 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 2.3 kB

  • Original 377.3 kB
  • After minification 375.0 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. ONLINEKALKYLATORN images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 85.3 kB

  • Original 872.7 kB
  • After minification 872.7 kB
  • After compression 787.4 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

-1%

Potential reduce by 554 B

  • Original 63.1 kB
  • After minification 63.1 kB
  • After compression 62.5 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. Onlinekalkylatorn.se has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 54 (66%)

Requests Now

82

After Optimization

28

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ONLINEKALKYLATORN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

onlinekalkylatorn.se accessibility score

76

Accessibility Issues

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

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

onlinekalkylatorn.se best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

onlinekalkylatorn.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

    N/A

  • Language Claimed

    SV

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onlinekalkylatorn.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 Swedish. Our system also found out that Onlinekalkylatorn.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 ONLINEKALKYLATORN. 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: