Tools & Wizards About Us
ctc.se screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    62% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

ctc.se

Värmepumpar & värmesystem till bra priser från CTC

Page Load Speed

3.6 sec in total

First Response

320 ms

Resources Loaded

2.4 sec

Page Rendered

870 ms

ctc.se screenshot

About Website

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

När du väljer en värmepump från CTC väljer du även en proffsig installation och många bekymmersfri år framöver. 

Visit ctc.se

Key Findings

We analyzed Ctc.se page load time and found that the first response time was 320 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

ctc.se performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

ctc.se

320 ms

ctc.se

1058 ms

manifest.js

103 ms

main.css

312 ms

qyf0jem.css

70 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 50% of them (17 requests) were addressed to the original Ctc.se, 15% (5 requests) were made to Use.typekit.net and 6% (2 requests) were made to Bot.leadoo.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ctc.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.9 kB (18%)

Content Size

933.5 kB

After Optimization

765.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ctc.se main page is 933.5 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. 55% of websites need less resources to load. Images take 676.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 158.8 kB

  • Original 189.0 kB
  • After minification 176.4 kB
  • After compression 30.2 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 158.8 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 8.8 kB

  • Original 676.3 kB
  • After minification 667.5 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. CTC images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 186 B

  • Original 36.4 kB
  • After minification 36.4 kB
  • After compression 36.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 61 B

  • Original 31.8 kB
  • After minification 31.8 kB
  • After compression 31.7 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. Ctc.se has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (33%)

Requests Now

27

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CTC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ctc.se

ctc.se

320 ms

ctc.se

ctc.se

1058 ms

manifest.js

manifest.js

103 ms

main.css

main.css

312 ms

qyf0jem.css

qyf0jem.css

70 ms

chat.js

chat.js

117 ms

vendor.js

vendor.js

845 ms

main.js

main.js

374 ms

p.css

p.css

30 ms

dynamic.js

dynamic.js

262 ms

gtm.js

gtm.js

113 ms

logo.png

logo.png

141 ms

produkter-cover-1270x600.png

produkter-cover-1270x600.png

698 ms

Save-energy-small-fit-179x179.png

Save-energy-small-fit-179x179.png

141 ms

CTC2-800x550-fit-800x550.jpeg

CTC2-800x550-fit-800x550.jpeg

389 ms

ctc-familj-hero8-fit-450x300.jpg

ctc-familj-hero8-fit-450x300.jpg

388 ms

familj-fit-450x300.jpg

familj-fit-450x300.jpg

638 ms

ctc-varmepump-varmer-poolen-1140x500-fit-1140x500-fit-800x550.jpeg

ctc-varmepump-varmer-poolen-1140x500-fit-1140x500-fit-800x550.jpeg

669 ms

facebook.png

facebook.png

496 ms

linkedin.png

linkedin.png

507 ms

youtube.png

youtube.png

639 ms

newsdesk.png

newsdesk.png

640 ms

d

d

28 ms

d

d

8 ms

d

d

22 ms

d

d

28 ms

uc.js

uc.js

75 ms

landing

landing

218 ms

analytics.js

analytics.js

214 ms

conversion_async.js

conversion_async.js

239 ms

js

js

74 ms

cc.js

cc.js

233 ms

bc-v4.min.html

bc-v4.min.html

193 ms

collect

collect

10 ms

Accessibility Review

ctc.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

button, link, and menuitem elements do not have accessible names.

High

ARIA input fields do not have accessible names

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

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

ctc.se 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

Missing source maps for large first-party JavaScript

SEO Factors

ctc.se SEO score

89

Search Engine Optimization Advices

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctc.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 Ctc.se 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

ctc.se

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