Tools & Wizards About Us
dena-institut.de screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    58% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dena-institut.de

کانون گسترش و آموزش زبان آلمانی دنا | Dena Language Institute

Page Load Speed

27.5 sec in total

First Response

581 ms

Resources Loaded

25.9 sec

Page Rendered

973 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 581 ms and then it took 26.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dena-institut.de performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value1.124

1/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

dena-institut.de

581 ms

www.dena-institut.de

1895 ms

cssSite

0 ms

jsSite

20827 ms

jquery.validate.min.js

908 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 96% of them (22 requests) were addressed to the original Dena-institut.de, 4% (1 request) were made to S1.mediaad.org. The less responsive or slowest element that took the longest time to load (20.8 sec) belongs to the original domain Dena-institut.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.3 kB (30%)

Content Size

209.9 kB

After Optimization

147.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dena-institut.de main page is 209.9 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 141.2 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 43.1 kB

  • Original 47.6 kB
  • After minification 24.9 kB
  • After compression 4.4 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 22.7 kB, which is 48% 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 43.1 kB or 91% of the original size.

Image Optimization

-3%

Potential reduce by 4.9 kB

  • Original 141.2 kB
  • After minification 136.3 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

11

After Optimization

11

  • Images
  • JavaScript

The browser has sent 11 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

581 ms

www.dena-institut.de

www.dena-institut.de

1895 ms

cssSite

cssSite

0 ms

jsSite

jsSite

20827 ms

jquery.validate.min.js

jquery.validate.min.js

908 ms

loader.js

loader.js

540 ms

loader.gif

loader.gif

881 ms

DenaLogo.png

DenaLogo.png

428 ms

logo-top-3-2.png

logo-top-3-2.png

429 ms

logo-top-2-2.png

logo-top-2-2.png

572 ms

NoImage.jpg

NoImage.jpg

838 ms

avatar2.png

avatar2.png

714 ms

bg_lastest_new-1.jpg

bg_lastest_new-1.jpg

938 ms

NoImage.jpg

NoImage.jpg

822 ms

bg-newletter.png

bg-newletter.png

904 ms

MkYAYDKNrZz6m18QyIhln6ynu2gDDI0UXoWoJZIiO++Yok64H7hK6bhrs64E4uUdvj9NHsH5D86uE93k9eHmAAAAAElFTkSuQmCC

MkYAYDKNrZz6m18QyIhln6ynu2gDDI0UXoWoJZIiO++Yok64H7hK6bhrs64E4uUdvj9NHsH5D86uE93k9eHmAAAAAElFTkSuQmCC

1027 ms

logo2.png

logo2.png

964 ms

IRANSansWeb_Light.woff

IRANSansWeb_Light.woff

2262 ms

IRANSansWeb_UltraLight.woff

IRANSansWeb_UltraLight.woff

896 ms

IRANSansWeb_Medium.woff

IRANSansWeb_Medium.woff

699 ms

IRANSansWeb_Bold.woff

IRANSansWeb_Bold.woff

894 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

904 ms

mk-icons.ttf

mk-icons.ttf

968 ms

Accessibility Review

dena-institut.de accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements 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

Image elements do not have [alt] attributes

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

79

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

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

    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: