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okofen.co.uk screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

okofen.co.uk

ÖkoFEN pellet boilers » Europe’s specialist in pellet boilers!

Page Load Speed

4.7 sec in total

First Response

357 ms

Resources Loaded

3.2 sec

Page Rendered

1.1 sec

okofen.co.uk screenshot

About Website

Click here to check amazing Okofen content. Otherwise, check out these important facts you probably never knew about okofen.co.uk

Here you'll find the perfect pellet heating system for your new build or renovation ➤ Europe’s specialist in pellet boilers!

Visit okofen.co.uk

Key Findings

We analyzed Okofen.co.uk page load time and found that the first response time was 357 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

okofen.co.uk performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

okofen.co.uk

357 ms

774 ms

font-awesome.min.css

29 ms

swiper-bundle.min.css

40 ms

lightgallery.min.css

43 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Okofen.co.uk, 50% (36 requests) were made to Oekofen.com and 17% (12 requests) were made to S3.eu-central-1.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Oekofen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.2 kB (7%)

Content Size

2.6 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Okofen.co.uk main page is 2.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 87.8 kB

  • Original 109.4 kB
  • After minification 107.0 kB
  • After compression 21.6 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 87.8 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 79.7 kB

  • Original 2.2 MB
  • After minification 2.1 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. Okofen images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 186.3 kB
  • After minification 186.3 kB
  • After compression 183.7 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 0 B

  • Original 105.8 kB
  • After minification 105.8 kB
  • After compression 105.8 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. Okofen.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (25%)

Requests Now

68

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Okofen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

okofen.co.uk

okofen.co.uk

357 ms

774 ms

font-awesome.min.css

font-awesome.min.css

29 ms

swiper-bundle.min.css

swiper-bundle.min.css

40 ms

lightgallery.min.css

lightgallery.min.css

43 ms

minify-bs5.gz.css

minify-bs5.gz.css

480 ms

cmp-load.js

cmp-load.js

33 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

14 ms

jquery.min.js

jquery.min.js

10 ms

chart.umd.min.js

chart.umd.min.js

19 ms

swiper-bundle.min.js

swiper-bundle.min.js

20 ms

lightgallery-all.min.js

lightgallery-all.min.js

19 ms

imagesloaded.pkgd.min.js

imagesloaded.pkgd.min.js

21 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

21 ms

minify-bs5.gz.js

minify-bs5.gz.js

487 ms

Brennwerttechnik.png

Brennwerttechnik.png

110 ms

logo.png

logo.png

105 ms

search.png

search.png

196 ms

login.png

login.png

433 ms

co2-neutrale-website.png

co2-neutrale-website.png

452 ms

Heizwerttechnik.png

Heizwerttechnik.png

452 ms

Stromerzeugend.png

Stromerzeugend.png

579 ms

menuepunkt-flamme-zeroflame.png

menuepunkt-flamme-zeroflame.png

582 ms

Lagerung.png

Lagerung.png

582 ms

icon_puffer_solar.png

icon_puffer_solar.png

582 ms

uebersicht-touch-2021.png

uebersicht-touch-2021.png

669 ms

Sonstiges.png

Sonstiges.png

582 ms

waermepumpe.png

waermepumpe.png

666 ms

pellematic_compact-startseite_2021.png

pellematic_compact-startseite_2021.png

991 ms

header_desktop-en.jpg

header_desktop-en.jpg

1429 ms

greenfox_button.png

greenfox_button.png

777 ms

slider_pellematic-compact.jpg

slider_pellematic-compact.jpg

669 ms

slider_pellematic-condens-product.jpg

slider_pellematic-condens-product.jpg

761 ms

slider_condens_e.jpg

slider_condens_e.jpg

884 ms

slider_pellematic-smart-xs.jpg

slider_pellematic-smart-xs.jpg

777 ms

slider_pellematic.jpg

slider_pellematic.jpg

970 ms

slider_pellematic-mit-handbefuellung.jpg

slider_pellematic-mit-handbefuellung.jpg

885 ms

slider_pellematic-maxi.jpg

slider_pellematic-maxi.jpg

885 ms

betriebliche-kinderbetreuung-2022_news.jpg

betriebliche-kinderbetreuung-2022_news.jpg

1102 ms

oekofestival-titelbild_news.jpg

oekofestival-titelbild_news.jpg

994 ms

150k-boilers-worldwide-record.png

150k-boilers-worldwide-record.png

994 ms

innovations-award-frankreich_news.png

innovations-award-frankreich_news.png

1181 ms

app-award-2022-mypelletronic_news.jpg

app-award-2022-mypelletronic_news.jpg

1098 ms

kfz-baumgartner-referenz_newsbeitrag.jpg

kfz-baumgartner-referenz_newsbeitrag.jpg

1103 ms

mont-blanc-titel.jpg

mont-blanc-titel.jpg

1104 ms

oesterreichisches-umweltzeichen_news.jpg

oesterreichisches-umweltzeichen_news.jpg

1207 ms

zuverlaessig.jpg

zuverlaessig.jpg

1209 ms

innovation.png

innovation.png

1211 ms

hybrid.jpg

hybrid.jpg

1212 ms

lagerung_aktuelle_renderings_2021.jpg

lagerung_aktuelle_renderings_2021.jpg

1496 ms

Nq0DmYCnzME

Nq0DmYCnzME

122 ms

oekofen_tablet_heizungssteuerung.jpg

oekofen_tablet_heizungssteuerung.jpg

423 ms

teaser-produktkatalog-deutsch.jpg

teaser-produktkatalog-deutsch.jpg

710 ms

oekofen-condens-techniker-installateur-max-res_rgb_web.png

oekofen-condens-techniker-installateur-max-res_rgb_web.png

1617 ms

weltkarte_gruen.jpg

weltkarte_gruen.jpg

1295 ms

pellet_image1.jpg

pellet_image1.jpg

1296 ms

heatpump_fade.jpg

heatpump_fade.jpg

1297 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

1 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

33 ms

twitter.png

twitter.png

513 ms

youtube.png

youtube.png

512 ms

facebook.png

facebook.png

513 ms

instagram.png

instagram.png

512 ms

www-player.css

www-player.css

8 ms

www-embed-player.js

www-embed-player.js

25 ms

base.js

base.js

50 ms

ad_status.js

ad_status.js

164 ms

u3o6s91JBL8hdS-8zlKaE9_QjMMICyQyS6sMo66aQxY.js

u3o6s91JBL8hdS-8zlKaE9_QjMMICyQyS6sMo66aQxY.js

117 ms

embed.js

embed.js

54 ms

Create

Create

85 ms

id

id

77 ms

GenerateIT

GenerateIT

14 ms

Accessibility Review

okofen.co.uk accessibility score

84

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

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

<frame> or <iframe> elements do not have a title

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

okofen.co.uk 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

okofen.co.uk SEO score

86

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Okofen.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Okofen.co.uk 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

okofen.co.uk

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