Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

osao.fi

OSAO | Koulutuskuntayhtymä OSAO

Page Load Speed

4.3 sec in total

First Response

386 ms

Resources Loaded

3.4 sec

Page Rendered

457 ms

osao.fi screenshot

About Website

Click here to check amazing OSAO content for Finland. Otherwise, check out these important facts you probably never knew about osao.fi

OSAO on Suomen johtava ammattiosaajien koulutusyhteisö, joka mahdollistaa työelämäosaamisen ja jatkuvan oppimisen. Jatkuva haku vuoden ympäri kaikille.

Visit osao.fi

Key Findings

We analyzed Osao.fi page load time and found that the first response time was 386 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 60% of websites can load faster.

Performance Metrics

osao.fi performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value4,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.141

78/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

osao.fi

386 ms

www.osao.fi

821 ms

normalize.min.css

126 ms

jquery.fancybox.css

248 ms

jquery-ui-1.10.4.custom.css

252 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 57% of them (47 requests) were addressed to the original Osao.fi, 15% (12 requests) were made to Scontent.cdninstagram.com and 12% (10 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Use.typekit.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 687.9 kB (36%)

Content Size

1.9 MB

After Optimization

1.2 MB

In fact, the total size of Osao.fi main page is 1.9 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 64.5 kB

  • Original 78.7 kB
  • After minification 77.8 kB
  • After compression 14.2 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 64.5 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 17.9 kB

  • Original 1.0 MB
  • After minification 1.0 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. OSAO images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 314.6 kB

  • Original 471.8 kB
  • After minification 457.7 kB
  • After compression 157.2 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 314.6 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 290.9 kB

  • Original 352.5 kB
  • After minification 325.9 kB
  • After compression 61.7 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. Osao.fi needs all CSS files to be minified and compressed as it can save up to 290.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (37%)

Requests Now

70

After Optimization

44

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSAO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

osao.fi accessibility score

94

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

osao.fi best practices score

92

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

Page has valid source maps

SEO Factors

osao.fi 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

    FI

  • Language Claimed

    FI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osao.fi can be misinterpreted by Google and other search engines. Our service has detected that Finnish is used on the page, and it matches the claimed language. Our system also found out that Osao.fi 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 OSAO. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: