Tools & Wizards About Us
iisc-institute.de screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

iisc-institute.de

German course in Braunschweig Germany // Learning German language with IISC

Page Load Speed

3.9 sec in total

First Response

330 ms

Resources Loaded

2.6 sec

Page Rendered

1 sec

iisc-institute.de screenshot

About Website

Welcome to iisc-institute.de homepage info - get ready to check IISC Institute best content right away, or after learning these important things about iisc-institute.de

International Institute for Studies and Cooperation offers ✔online and offline German courses in Braunschweig, ✔preparatory college courses for foreign students and ✔telc-exam. Contact us to know more...

Visit iisc-institute.de

Key Findings

We analyzed Iisc-institute.de page load time and found that the first response time was 330 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

iisc-institute.de performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value3,110 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

iisc-institute.de

330 ms

iisc-institute.de

1001 ms

wpo-minify-header-4b5a17f2.min.css

279 ms

wpo-minify-header-d88f1a97.min.js

354 ms

wpo-minify-header-bf3f0a7d.min.js

372 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 88% of them (30 requests) were addressed to the original Iisc-institute.de, 6% (2 requests) were made to Use.fontawesome.com and 3% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Iisc-institute.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.1 kB (7%)

Content Size

2.1 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iisc-institute.de main page is 2.1 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. 40% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 102.2 kB

  • Original 121.0 kB
  • After minification 117.0 kB
  • After compression 18.8 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 102.2 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 37.7 kB

  • Original 1.5 MB
  • After minification 1.4 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. IISC Institute images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 24 B

  • Original 513.3 kB
  • After minification 513.3 kB
  • After compression 513.3 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

-0%

Potential reduce by 114 B

  • Original 29.5 kB
  • After minification 29.5 kB
  • After compression 29.4 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. Iisc-institute.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (17%)

Requests Now

30

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IISC Institute. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

iisc-institute.de

iisc-institute.de

330 ms

iisc-institute.de

iisc-institute.de

1001 ms

wpo-minify-header-4b5a17f2.min.css

wpo-minify-header-4b5a17f2.min.css

279 ms

wpo-minify-header-d88f1a97.min.js

wpo-minify-header-d88f1a97.min.js

354 ms

wpo-minify-header-bf3f0a7d.min.js

wpo-minify-header-bf3f0a7d.min.js

372 ms

all.js

all.js

63 ms

v4-shims.js

v4-shims.js

75 ms

wpo-minify-footer-557b36b3.min.js

wpo-minify-footer-557b36b3.min.js

387 ms

logo_header.png

logo_header.png

239 ms

Hero_IISC.jpg

Hero_IISC.jpg

632 ms

AdobeStock_206335409-1024x576.jpg

AdobeStock_206335409-1024x576.jpg

347 ms

advantages-block-icon-dark-01.png

advantages-block-icon-dark-01.png

239 ms

advantages-block-icon-dark-02.png

advantages-block-icon-dark-02.png

345 ms

advantages-block-icon-dark-03.png

advantages-block-icon-dark-03.png

346 ms

advantages-block-icon-dark-04.png

advantages-block-icon-dark-04.png

392 ms

advantages-block-icon-dark-05.png

advantages-block-icon-dark-05.png

391 ms

home-background-scaled.jpg

home-background-scaled.jpg

490 ms

AdobeStock_329027074-1024x732.jpg

AdobeStock_329027074-1024x732.jpg

676 ms

AdobeStock_369458881-1024x732.jpg

AdobeStock_369458881-1024x732.jpg

689 ms

AdobeStock_267938683-1024x732.jpg

AdobeStock_267938683-1024x732.jpg

568 ms

AdobeStock_222167825-1024x732.jpg

AdobeStock_222167825-1024x732.jpg

565 ms

AdobeStock_246367113-1024x732.jpg

AdobeStock_246367113-1024x732.jpg

588 ms

AdobeStock_356426542.jpg

AdobeStock_356426542.jpg

839 ms

AdobeStock_351220433-1024x342.jpg

AdobeStock_351220433-1024x342.jpg

664 ms

logo_footer.png

logo_footer.png

689 ms

telc-300x90.png

telc-300x90.png

727 ms

FaDaF-Logo_grey-300x123.png

FaDaF-Logo_grey-300x123.png

764 ms

pearson_grey-300x193.png

pearson_grey-300x193.png

783 ms

MicrosoftTeams-image__1_-removebg-preview-1-150x150.png

MicrosoftTeams-image__1_-removebg-preview-1-150x150.png

803 ms

My-project-1-1.png

My-project-1-1.png

797 ms

cambridge-1024x446.png

cambridge-1024x446.png

829 ms

astra.woff

astra.woff

809 ms

If2cXTr6YS-zF4S-kcSWSVi_sxjsohD9F50Ruu7BMSoHTQ.ttf

If2cXTr6YS-zF4S-kcSWSVi_sxjsohD9F50Ruu7BMSoHTQ.ttf

300 ms

gtm.js

gtm.js

263 ms

Accessibility Review

iisc-institute.de accessibility score

74

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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 IDs are not unique

Best Practices

iisc-institute.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

iisc-institute.de SEO score

84

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iisc-institute.de 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 Iisc-institute.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

iisc-institute.de

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