Tools & Wizards About Us
zertificon.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zertificon.com

Zertificon Solutions GmbH – securing digital business

Page Load Speed

6.6 sec in total

First Response

44 ms

Resources Loaded

6 sec

Page Rendered

520 ms

zertificon.com screenshot

About Website

Click here to check amazing Zertificon content for Germany. Otherwise, check out these important facts you probably never knew about zertificon.com

Email Encryption and large file transfer for enterprises Security & GDPR Compliance – IT Security Made in Germany

Visit zertificon.com

Key Findings

We analyzed Zertificon.com page load time and found that the first response time was 44 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

zertificon.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

zertificon.com

44 ms

zertificon.com

463 ms

429 ms

584181471.js

561 ms

559536820.js

585 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 98% of them (53 requests) were addressed to the original Zertificon.com, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Zertificon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.9 kB (7%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zertificon.com main page is 1.6 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. 30% of websites need less resources to load. Images take 950.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 113.6 kB

  • Original 145.2 kB
  • After minification 142.4 kB
  • After compression 31.6 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 113.6 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 29 B

  • Original 950.5 kB
  • After minification 950.5 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. Zertificon images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 122 B

  • Original 405.4 kB
  • After minification 405.4 kB
  • After compression 405.3 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

-1%

Potential reduce by 1.1 kB

  • Original 111.4 kB
  • After minification 111.3 kB
  • After compression 110.3 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. Zertificon.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (41%)

Requests Now

46

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zertificon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zertificon.com

zertificon.com

44 ms

zertificon.com

zertificon.com

463 ms

429 ms

584181471.js

584181471.js

561 ms

559536820.js

559536820.js

585 ms

animate.min.css

animate.min.css

462 ms

hkb-style.css

hkb-style.css

462 ms

style.css

style.css

462 ms

main.css

main.css

459 ms

pagenavi-css.css

pagenavi-css.css

904 ms

lightbox.min.css

lightbox.min.css

910 ms

wp-mcm-styles.css

wp-mcm-styles.css

905 ms

main.css

main.css

1216 ms

jquery.min.js

jquery.min.js

1117 ms

jquery-migrate.min.js

jquery-migrate.min.js

1022 ms

frontend-min.js

frontend-min.js

1346 ms

250716694.js

250716694.js

1500 ms

main.globalscript.js

main.globalscript.js

1380 ms

wp-lightbox-2.min.js

wp-lightbox-2.min.js

1501 ms

main.public.js

main.public.js

1575 ms

effect.min.js

effect.min.js

1663 ms

effect-slide.min.js

effect-slide.min.js

1805 ms

main.js

main.js

2285 ms

zertificon-logo.svg

zertificon-logo.svg

587 ms

produktdemo-webinar-menu-2.svg

produktdemo-webinar-menu-2.svg

1200 ms

Energy-webinar-menu-box-EN_SVG.svg

Energy-webinar-menu-box-EN_SVG.svg

692 ms

Icon-Secure-Email.png

Icon-Secure-Email.png

780 ms

Icon-Large-File-Transfer.png

Icon-Large-File-Transfer.png

898 ms

Icon-Email-Energy.png

Icon-Email-Energy.png

1030 ms

IT-Security-made-in-Germany-Logo-200.png

IT-Security-made-in-Germany-Logo-200.png

1126 ms

five-stars.png

five-stars.png

1272 ms

it-security-topics-AS-631396067.jpg

it-security-topics-AS-631396067.jpg

1015 ms

westlotto.png

westlotto.png

1382 ms

privat-nervenklinik-dr-fontheim-150.png

privat-nervenklinik-dr-fontheim-150.png

1466 ms

morphosys.png

morphosys.png

1481 ms

wsl-patentanwaelte-150.png

wsl-patentanwaelte-150.png

1581 ms

reference-449.png

reference-449.png

1654 ms

reference-697.png

reference-697.png

1671 ms

reference-399.png

reference-399.png

1825 ms

polizei.png

polizei.png

1924 ms

reference-683.png

reference-683.png

1926 ms

senatsverwaltung-wirtschaft-energie-betriebe.png

senatsverwaltung-wirtschaft-energie-betriebe.png

2039 ms

reference-612.png

reference-612.png

2096 ms

reference-617.png

reference-617.png

2124 ms

reference-596.png

reference-596.png

2266 ms

reference-628.png

reference-628.png

2390 ms

reference-614.png

reference-614.png

2370 ms

OpenSans-Semibold-webfont.woff

OpenSans-Semibold-webfont.woff

2508 ms

OpenSans-Bold-webfont.woff

OpenSans-Bold-webfont.woff

2575 ms

OpenSans-Regular-webfont.woff

OpenSans-Regular-webfont.woff

2269 ms

open-sans-v16-latin-300.woff

open-sans-v16-latin-300.woff

2731 ms

bootstrap-icons.woff

bootstrap-icons.woff

3024 ms

header-homepage-zertificon-xl.png

header-homepage-zertificon-xl.png

2745 ms

gtm.js

gtm.js

61 ms

Accessibility Review

zertificon.com accessibility score

91

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

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

zertificon.com 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

zertificon.com SEO score

100

Search Engine Optimization Advices

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 Zertificon.com 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 Zertificon.com 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

zertificon.com

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