Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

tele.dk

Fejlmeddelelser i ASMTP (udgående post)

Page Load Speed

3.7 sec in total

First Response

449 ms

Resources Loaded

3 sec

Page Rendered

308 ms

tele.dk screenshot

About Website

Click here to check amazing Tele content for Sweden. Otherwise, check out these important facts you probably never knew about tele.dk

Visit tele.dk

Key Findings

We analyzed Tele.dk page load time and found that the first response time was 449 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

tele.dk performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.159

73/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

postmaster.tdc.dk

449 ms

jquery.min.js

34 ms

jquery-ui.min.js

59 ms

jquery.1.9.1.js

644 ms

require.js

751 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Tele.dk, 5% (2 requests) were made to Ajax.googleapis.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source I.c.dk.

Page Optimization Overview & Recommendations

Page size can be reduced by 466.7 kB (72%)

Content Size

651.7 kB

After Optimization

184.9 kB

In fact, the total size of Tele.dk main page is 651.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. CSS take 333.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 9.8 kB

  • Original 12.3 kB
  • After minification 11.4 kB
  • After compression 2.5 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 9.8 kB or 80% of the original size.

Image Optimization

-20%

Potential reduce by 544 B

  • Original 2.8 kB
  • After minification 2.2 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. Obviously, Tele needs image optimization as it can save up to 544 B or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 184.2 kB

  • Original 302.6 kB
  • After minification 302.6 kB
  • After compression 118.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 184.2 kB or 61% of the original size.

CSS Optimization

-82%

Potential reduce by 272.2 kB

  • Original 333.9 kB
  • After minification 330.4 kB
  • After compression 61.8 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. Tele.dk needs all CSS files to be minified and compressed as it can save up to 272.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (83%)

Requests Now

36

After Optimization

6

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tele. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tele.dk accessibility score

93

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

Best Practices

tele.dk 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

tele.dk SEO score

82

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

High

robots.txt is not valid

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

    DA

  • Language Claimed

    DA

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tele.dk can be misinterpreted by Google and other search engines. Our service has detected that Danish is used on the page, and it matches the claimed language. Our system also found out that Tele.dk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Tele. 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: