Tools & Wizards About Us
alega.se screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

alega.se

alega.se - Produkter och skolmateriel för laborationer och experiment inom kemi, fysik, biologi, matematik och teknik.

Page Load Speed

5.9 sec in total

First Response

310 ms

Resources Loaded

4.9 sec

Page Rendered

659 ms

alega.se screenshot

About Website

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

Företaget som tar fram nytänkande, kreativa och spännande läromedel för undervisning i matematik, teknik och naturvetenskap med Din nyfikenhet som motivation. Stort utbud av produkter för laborationer...

Visit alega.se

Key Findings

We analyzed Alega.se page load time and found that the first response time was 310 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

alega.se performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,200 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value28.8 s

0/100

10%

Network Requests Diagram

alega.se

310 ms

alega.se

1811 ms

all.css

662 ms

bav2.min.js

517 ms

api.js

38 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 45% of them (9 requests) were addressed to the original Alega.se, 40% (8 requests) were made to Alega.b-cdn.net and 10% (2 requests) were made to Track.bx-cloud.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Alega.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (80%)

Content Size

3.6 MB

After Optimization

713.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Alega.se main page is 3.6 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. HTML takes 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-97%

Potential reduce by 1.7 MB

  • Original 1.8 MB
  • After minification 532.3 kB
  • After compression 57.3 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 1.3 MB, which is 70% 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 1.7 MB or 97% of the original size.

Image Optimization

-1%

Potential reduce by 1.9 kB

  • Original 274.1 kB
  • After minification 272.2 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. Alega images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.2 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 384.3 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 1.2 MB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alega. According to our analytics all requests are already optimized.

Network Requests Diagram

alega.se

alega.se

310 ms

alega.se

alega.se

1811 ms

all.css

all.css

662 ms

bav2.min.js

bav2.min.js

517 ms

api.js

api.js

38 ms

all.js

all.js

1024 ms

alega.svg

alega.svg

380 ms

xmas_bg_gray.svg

xmas_bg_gray.svg

226 ms

cookie.svg

cookie.svg

312 ms

alega-white.svg

alega-white.svg

459 ms

692x338px%20biologi.jpg

692x338px%20biologi.jpg

1787 ms

692x338px%20fysik.jpg

692x338px%20fysik.jpg

1786 ms

692692px%20kemi.jpg

692692px%20kemi.jpg

1789 ms

456x456px%20smarta%20hja%CC%88lpmedel.jpg

456x456px%20smarta%20hja%CC%88lpmedel.jpg

1785 ms

456x456px%20Specialpedagogik.jpg

456x456px%20Specialpedagogik.jpg

1785 ms

allma%CC%88n%20labutrustning.jpg

allma%CC%88n%20labutrustning.jpg

1783 ms

v2

v2

204 ms

SourceSansPro-Regular.ttf

SourceSansPro-Regular.ttf

203 ms

SourceSansPro-Black.ttf

SourceSansPro-Black.ttf

1665 ms

info

info

1226 ms

Accessibility Review

alega.se accessibility score

73

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 IDs are not unique

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

alega.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

High

Missing source maps for large first-party JavaScript

SEO Factors

alega.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 Alega.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 Alega.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

alega.se

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