Tools & Wizards About Us
dena-institut.de screenshot

Report Summary

  • 0

    Performance

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

dena-institut.de

کانون گسترش و آموزش زبان آلمانی دنا | Dena Language Institute

Page Load Speed

5.4 sec in total

First Response

601 ms

Resources Loaded

4.4 sec

Page Rendered

351 ms

dena-institut.de screenshot

About Website

Click here to check amazing Dena Institut content for Iran. Otherwise, check out these important facts you probably never knew about dena-institut.de

کانون گسترش و آموزش زبان آلمانی دنا | Dena Language Institute | اصفهان خیابان توحید خیابان شهید منصور موحدی کوچه 6

Visit dena-institut.de

Key Findings

We analyzed Dena-institut.de page load time and found that the first response time was 601 ms and then it took 4.8 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

dena-institut.de performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value1.103

1/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

dena-institut.de

601 ms

www.dena-institut.de

1527 ms

cssSite

927 ms

loader.gif

884 ms

DenaLogo.png

1080 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Dena-institut.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Dena-institut.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.3 kB (14%)

Content Size

611.2 kB

After Optimization

523.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dena-institut.de main page is 611.2 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. Images take 535.1 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 50.0 kB

  • Original 54.9 kB
  • After minification 30.6 kB
  • After compression 5.0 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. This page needs HTML code to be minified as it can gain 24.3 kB, which is 44% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 50.0 kB or 91% of the original size.

Image Optimization

-4%

Potential reduce by 23.1 kB

  • Original 535.1 kB
  • After minification 512.1 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. Dena Institut images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 14.3 kB

  • Original 21.1 kB
  • After minification 21.1 kB
  • After compression 6.8 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 14.3 kB or 68% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dena Institut. According to our analytics all requests are already optimized.

Network Requests Diagram

dena-institut.de

dena-institut.de

601 ms

www.dena-institut.de

www.dena-institut.de

1527 ms

cssSite

cssSite

927 ms

loader.gif

loader.gif

884 ms

DenaLogo.png

DenaLogo.png

1080 ms

logo-top-3-2.png

logo-top-3-2.png

715 ms

logo-top-2-2.png

logo-top-2-2.png

718 ms

NoImage.jpg

NoImage.jpg

904 ms

avatar2.png

avatar2.png

891 ms

jsSite

jsSite

1426 ms

jquery.validate.min.js

jquery.validate.min.js

899 ms

NoImage.jpg

NoImage.jpg

1063 ms

logo2.png

logo2.png

906 ms

bg_lastest_new-1.jpg

bg_lastest_new-1.jpg

190 ms

bg-newletter.png

bg-newletter.png

277 ms

MkYAYDKNrZz6m18QyIhln6ynu2gDDI0UXoWoJZIiO++Yok64H7hK6bhrs64E4uUdvj9NHsH5D86uE93k9eHmAAAAAElFTkSuQmCC

MkYAYDKNrZz6m18QyIhln6ynu2gDDI0UXoWoJZIiO++Yok64H7hK6bhrs64E4uUdvj9NHsH5D86uE93k9eHmAAAAAElFTkSuQmCC

283 ms

IRANSansWeb_Light.woff

IRANSansWeb_Light.woff

191 ms

IRANSansWeb_UltraLight.woff

IRANSansWeb_UltraLight.woff

259 ms

IRANSansWeb_Medium.woff

IRANSansWeb_Medium.woff

341 ms

IRANSansWeb_Bold.woff

IRANSansWeb_Bold.woff

349 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

715 ms

mk-icons.ttf

mk-icons.ttf

446 ms

826cfe7d-3dcd-4683-947f-c0890d938b80.jpg

826cfe7d-3dcd-4683-947f-c0890d938b80.jpg

189 ms

98eccad3-1a0e-491b-8439-caffce0146fd.jpg

98eccad3-1a0e-491b-8439-caffce0146fd.jpg

686 ms

Accessibility Review

dena-institut.de accessibility score

92

Accessibility Issues

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

Links do not have a discernible name

Best Practices

dena-institut.de 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

SEO Factors

dena-institut.de SEO score

87

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

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

    FA

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dena-institut.de can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and it does not match the claimed English language. Our system also found out that Dena-institut.de 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

dena-institut.de

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