Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

silf.se

Utbildningar i inköp och logistik|Internationell standard | silf.se

Page Load Speed

4.4 sec in total

First Response

470 ms

Resources Loaded

3.4 sec

Page Rendered

515 ms

silf.se screenshot

About Website

Visit silf.se now to see the best up-to-date Silf content for Sweden and also check out these interesting facts you probably never knew about silf.se

Stärk din kompetens med utbildning och certifiering inom inköp, logistik, förhandling och juridik. Kvalitetssäkrad utbildning med internationell standard.

Visit silf.se

Key Findings

We analyzed Silf.se page load time and found that the first response time was 470 ms and then it took 4 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

silf.se performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

silf.se

470 ms

www.silf.se

1199 ms

css

59 ms

css

1009 ms

js

1024 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 64% of them (28 requests) were addressed to the original Silf.se, 9% (4 requests) were made to S7.addthis.com and 9% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Silf.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 839.2 kB (43%)

Content Size

2.0 MB

After Optimization

1.1 MB

In fact, the total size of Silf.se main page is 2.0 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. 55% of websites need less resources to load. Images take 920.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 123.8 kB

  • Original 159.7 kB
  • After minification 151.9 kB
  • After compression 35.9 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 123.8 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 100.0 kB

  • Original 920.9 kB
  • After minification 820.9 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. Obviously, Silf needs image optimization as it can save up to 100.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 615.5 kB

  • Original 880.9 kB
  • After minification 880.7 kB
  • After compression 265.5 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 615.5 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (22%)

Requests Now

36

After Optimization

28

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Silf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

silf.se accessibility score

59

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

silf.se best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

silf.se SEO score

83

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

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

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 Silf.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 Silf.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 Silf. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: