Tools & Wizards About Us
zef.fi screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

zef.fi

People Intelligence alusta yrityksille | ZEF

Page Load Speed

1.9 sec in total

First Response

44 ms

Resources Loaded

1.1 sec

Page Rendered

803 ms

zef.fi screenshot

About Website

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

Data ei riitä – ymmärrys ratkaisee. ZEF muuttaa ihmisten kokemukset reaaliaikaiseksi strategiseksi tilannekuvaksi päätöksenteon tueksi.

Visit zef.fi

Key Findings

We analyzed Zef.fi page load time and found that the first response time was 44 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

zef.fi performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value2,410 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value19.6 s

2/100

10%

Network Requests Diagram

zef.fi

44 ms

www.zef.fi

87 ms

jquery-1.11.2.js

70 ms

main.min.css

64 ms

theme-overrides.min.css

256 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 69% of them (59 requests) were addressed to the original Zef.fi, 9% (8 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to No-cache.hubspot.com. The less responsive or slowest element that took the longest time to load (515 ms) belongs to the original domain Zef.fi.

Page Optimization Overview & Recommendations

Page size can be reduced by 235.1 kB (17%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zef.fi main page is 1.4 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. 70% of websites need less resources to load. Images take 685.6 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 224.3 kB

  • Original 419.0 kB
  • After minification 410.7 kB
  • After compression 194.6 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 224.3 kB or 54% of the original size.

Image Optimization

-0%

Potential reduce by 2.1 kB

  • Original 685.6 kB
  • After minification 683.5 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. ZEF images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.3 kB

  • Original 233.9 kB
  • After minification 233.9 kB
  • After compression 227.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 2.3 kB

  • Original 16.0 kB
  • After minification 16.0 kB
  • After compression 13.7 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. Zef.fi needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (48%)

Requests Now

71

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZEF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zef.fi

zef.fi

44 ms

www.zef.fi

www.zef.fi

87 ms

jquery-1.11.2.js

jquery-1.11.2.js

70 ms

main.min.css

main.min.css

64 ms

theme-overrides.min.css

theme-overrides.min.css

256 ms

module_38485646577_menu-section.min.css

module_38485646577_menu-section.min.css

62 ms

module_41361617921_zeffi-language-switch.min.css

module_41361617921_zeffi-language-switch.min.css

68 ms

module_38493987231_button.min.css

module_38493987231_button.min.css

84 ms

module_-35056501883_Video.min.css

module_-35056501883_Video.min.css

83 ms

module_105770678193_props-benefit-brown.min.css

module_105770678193_props-benefit-brown.min.css

250 ms

module_105788560970_pitch-brown.min.css

module_105788560970_pitch-brown.min.css

108 ms

module_105961496720_testimonial_carousel.min.css

module_105961496720_testimonial_carousel.min.css

109 ms

splide.min.css

splide.min.css

46 ms

module_105779026442_props-feature-brown.min.css

module_105779026442_props-feature-brown.min.css

106 ms

module_101510277522_faq-brown.min.css

module_101510277522_faq-brown.min.css

335 ms

module_38494732222_social-follow.min.css

module_38494732222_social-follow.min.css

154 ms

js

js

81 ms

current.js

current.js

156 ms

embed.js

embed.js

37 ms

main.min.js

main.min.js

148 ms

project.js

project.js

177 ms

module_38485646577_menu-section.min.js

module_38485646577_menu-section.min.js

185 ms

module_41361617921_zeffi-language-switch.min.js

module_41361617921_zeffi-language-switch.min.js

191 ms

module_-35056501883_Video.min.js

module_-35056501883_Video.min.js

72 ms

loader.js

loader.js

51 ms

module_105961496720_testimonial_carousel.min.js

module_105961496720_testimonial_carousel.min.js

217 ms

splide.min.js

splide.min.js

40 ms

module_101510277522_faq-brown.min.js

module_101510277522_faq-brown.min.js

472 ms

v2.js

v2.js

287 ms

479181.js

479181.js

384 ms

index.js

index.js

275 ms

css2

css2

30 ms

main.js

main.js

157 ms

4466a9ba-f40a-4e53-913a-12a7f5b05f96.png

4466a9ba-f40a-4e53-913a-12a7f5b05f96.png

188 ms

464715e9-5513-4035-8f5f-8cd6f127e300.png

464715e9-5513-4035-8f5f-8cd6f127e300.png

217 ms

48ce4b33-e7c2-4d45-b307-ab915b507759.png

48ce4b33-e7c2-4d45-b307-ab915b507759.png

253 ms

zeffi-combo.png

zeffi-combo.png

109 ms

fi-flag.png

fi-flag.png

110 ms

posti-logo.svg

posti-logo.svg

110 ms

aljazeera-logo.svg

aljazeera-logo.svg

107 ms

haribo-logo.svg

haribo-logo.svg

106 ms

tampere-logo.svg

tampere-logo.svg

136 ms

reuters-logo.svg

reuters-logo.svg

137 ms

sso-logo.svg

sso-logo.svg

134 ms

yle-logo.svg

yle-logo.svg

143 ms

imf-logo.svg

imf-logo.svg

137 ms

terveystalo-logo.svg

terveystalo-logo.svg

164 ms

lineart-answers.png

lineart-answers.png

182 ms

lineart-turn-key.png

lineart-turn-key.png

165 ms

lineart-direction.png

lineart-direction.png

166 ms

human-woman-on-phone.png

human-woman-on-phone.png

404 ms

quote.svg

quote.svg

166 ms

jackson-1.png

jackson-1.png

205 ms

ronkainen-1.png

ronkainen-1.png

208 ms

tahvanainen-1.png

tahvanainen-1.png

206 ms

curve.png

curve.png

205 ms

saka_hero.jpeg

saka_hero.jpeg

223 ms

illustration-integration.png

illustration-integration.png

248 ms

illustration-reminders.png

illustration-reminders.png

244 ms

illustration-google-reviews.png

illustration-google-reviews.png

246 ms

illustration-report.png

illustration-report.png

263 ms

feature-sentiment.png

feature-sentiment.png

264 ms

feature-wordcloud-en.png

feature-wordcloud-en.png

276 ms

feature-comparison.png

feature-comparison.png

275 ms

human-coffee.jpg

human-coffee.jpg

276 ms

lineart-letter.png

lineart-letter.png

515 ms

zeffi-wordmark.png

zeffi-wordmark.png

315 ms

regular.woff

regular.woff

228 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZhrib2Au-0.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZhrib2Au-0.ttf

102 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYMZhrib2Au-0.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYMZhrib2Au-0.ttf

174 ms

700.woff

700.woff

405 ms

xMQOuFFYT72X5wkB_18qmnndmSe1mX-KIwNhB-C3.ttf

xMQOuFFYT72X5wkB_18qmnndmSe1mX-KIwNhB-C3.ttf

263 ms

xMQOuFFYT72X5wkB_18qmnndmSeMmX-KIwNhB-C3.ttf

xMQOuFFYT72X5wkB_18qmnndmSeMmX-KIwNhB-C3.ttf

158 ms

regular.woff

regular.woff

249 ms

xMQOuFFYT72X5wkB_18qmnndmSdSnn-KIwNhB-C3.ttf

xMQOuFFYT72X5wkB_18qmnndmSdSnn-KIwNhB-C3.ttf

243 ms

regular.woff

regular.woff

275 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4nY1M2xYkS.ttf

125 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4nY1M2xYkS.ttf

130 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4nY1M2xYkS.ttf

144 ms

plus.png

plus.png

124 ms

collectedforms.js

collectedforms.js

80 ms

leadflows.js

leadflows.js

140 ms

479181.js

479181.js

78 ms

fb.js

fb.js

65 ms

479181.js

479181.js

77 ms

Accessibility Review

zef.fi 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

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

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

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

zef.fi 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zef.fi SEO score

91

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

zef.fi

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