Tools & Wizards About Us
mattecentrum.se screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

mattecentrum.se

Välkommen till Mattecentrum – Mattecentrum, gratis läxhjälp i matematik för alla

Page Load Speed

4.3 sec in total

First Response

209 ms

Resources Loaded

3.6 sec

Page Rendered

427 ms

mattecentrum.se screenshot

About Website

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

Mattecentrum är en religiöst och politiskt obunden ideell förening som erbjuder gratis läxhjälp i matematik till Sveriges barn och unga.

Visit mattecentrum.se

Key Findings

We analyzed Mattecentrum.se page load time and found that the first response time was 209 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

mattecentrum.se performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value23.8 s

0/100

25%

SI (Speed Index)

Value9.9 s

9/100

10%

TBT (Total Blocking Time)

Value1,650 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.284

42/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

mattecentrum.se

209 ms

www.mattecentrum.se

562 ms

cookietractor.js

442 ms

css2

43 ms

DependencyHandler.axd

100 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 46% of them (18 requests) were addressed to the original Mattecentrum.se, 31% (12 requests) were made to Targetaid.com and 5% (2 requests) were made to Cdn.cookietractor.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Mattecentrum.lime-forms.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (37%)

Content Size

7.8 MB

After Optimization

4.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mattecentrum.se main page is 7.8 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. 35% of websites need less resources to load. Images take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 81.6 kB

  • Original 98.7 kB
  • After minification 91.1 kB
  • After compression 17.1 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 81.6 kB or 83% of the original size.

Image Optimization

-27%

Potential reduce by 1.4 MB

  • Original 5.4 MB
  • After minification 4.0 MB

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. Obviously, Mattecentrum needs image optimization as it can save up to 1.4 MB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 840.3 kB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 847.0 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 840.3 kB or 50% of the original size.

CSS Optimization

-85%

Potential reduce by 519.8 kB

  • Original 612.1 kB
  • After minification 611.8 kB
  • After compression 92.2 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. Mattecentrum.se needs all CSS files to be minified and compressed as it can save up to 519.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (40%)

Requests Now

35

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mattecentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

mattecentrum.se

mattecentrum.se

209 ms

www.mattecentrum.se

www.mattecentrum.se

562 ms

cookietractor.js

cookietractor.js

442 ms

css2

css2

43 ms

DependencyHandler.axd

DependencyHandler.axd

100 ms

latest

latest

1422 ms

widget.js

widget.js

318 ms

jquery.min.js

jquery.min.js

37 ms

DependencyHandler.axd

DependencyHandler.axd

198 ms

mattecentrum-logo.svg

mattecentrum-logo.svg

107 ms

90.png

90.png

109 ms

tryggtgivande.png

tryggtgivande.png

256 ms

abb_logo_aug_2023.png

abb_logo_aug_2023.png

256 ms

nordea.png

nordea.png

306 ms

advania_230828.png

advania_230828.png

310 ms

akelius_logo.png

akelius_logo.png

398 ms

gtm.js

gtm.js

76 ms

sprite.svg

sprite.svg

697 ms

sprite-logos.svg

sprite-logos.svg

608 ms

bakgrund-mc.png

bakgrund-mc.png

1403 ms

pxiByp8kv8JHgFVrLEj6V1s.ttf

pxiByp8kv8JHgFVrLEj6V1s.ttf

22 ms

pxiEyp8kv8JHgFVrFJA.ttf

pxiEyp8kv8JHgFVrFJA.ttf

28 ms

js

js

48 ms

ra-knestugan.png

ra-knestugan.png

419 ms

pluggakuten.png

pluggakuten.png

213 ms

mattehelp.jpg

mattehelp.jpg

306 ms

bg_paper.jpg

bg_paper.jpg

105 ms

sv-SE.js

sv-SE.js

465 ms

banner

banner

111 ms

main.e684c269530be20a8bd4.css

main.e684c269530be20a8bd4.css

537 ms

runtime.d4f4e3bb.js

runtime.d4f4e3bb.js

287 ms

antd.914ea8da.js

antd.914ea8da.js

576 ms

vendors.66b9163b.js

vendors.66b9163b.js

891 ms

main.09311b5b.js

main.09311b5b.js

311 ms

AccordionBlock~ActionsBlock~ActivityPreviewsCard~ActivityUpdates~AlternativesFlow~Article~BannerList~e2cbda7b.d8c6bf9a.js

AccordionBlock~ActionsBlock~ActivityPreviewsCard~ActivityUpdates~AlternativesFlow~Article~BannerList~e2cbda7b.d8c6bf9a.js

495 ms

AccordionBlock~ActionsBlock~ActivityPreviewsCard~ActivityUpdates~AlternativesFlow~CardsBlock~CommonQ~4c09a98a.28716ccf.js

AccordionBlock~ActionsBlock~ActivityPreviewsCard~ActivityUpdates~AlternativesFlow~CardsBlock~CommonQ~4c09a98a.28716ccf.js

364 ms

PromotionBanner.23ae90ff.js

PromotionBanner.23ae90ff.js

394 ms

2048-pixels-web-7c39a3572-foerbaettrat-br.jpg

2048-pixels-web-7c39a3572-foerbaettrat-br.jpg

1095 ms

hoestbild-2.png

hoestbild-2.png

489 ms

Accessibility Review

mattecentrum.se accessibility score

91

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

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

Best Practices

mattecentrum.se 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

Missing source maps for large first-party JavaScript

SEO Factors

mattecentrum.se SEO score

88

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

High

Tap targets are not sized appropriately

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 Mattecentrum.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 Mattecentrum.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

mattecentrum.se

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