Tools & Wizards About Us
istanbulinstitute.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

istanbulinstitute.com

Istanbul Institute - Eğitim, Seminer ve Sertifika Programları

Page Load Speed

7.8 sec in total

First Response

336 ms

Resources Loaded

6.9 sec

Page Rendered

595 ms

istanbulinstitute.com screenshot

About Website

Click here to check amazing Istanbul Institute content for Turkey. Otherwise, check out these important facts you probably never knew about istanbulinstitute.com

Üniversite ve İş dünyası profesyonellerinden kariyer hedeflerinize ulaştıracak eğitim ve sertifika programları

Visit istanbulinstitute.com

Key Findings

We analyzed Istanbulinstitute.com page load time and found that the first response time was 336 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

istanbulinstitute.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.18

67/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

istanbulinstitute.com

336 ms

istanbulinstitute.com

1863 ms

bootstrap.min.css

160 ms

slick.css

318 ms

slick-theme.css

399 ms

Our browser made a total of 171 requests to load all elements on the main page. We found that 93% of them (159 requests) were addressed to the original Istanbulinstitute.com, 2% (3 requests) were made to Googletagmanager.com and 2% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Istanbulinstitute.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 312.2 kB (58%)

Content Size

535.3 kB

After Optimization

223.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Istanbulinstitute.com main page is 535.3 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. 70% of websites need less resources to load. HTML takes 319.4 kB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 306.4 kB

  • Original 319.4 kB
  • After minification 85.4 kB
  • After compression 13.0 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 234.0 kB, which is 73% 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 306.4 kB or 96% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.2 kB
  • After minification 2.2 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. Istanbul Institute images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.3 kB

  • Original 207.8 kB
  • After minification 207.8 kB
  • After compression 206.6 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

-78%

Potential reduce by 4.6 kB

  • Original 5.9 kB
  • After minification 5.9 kB
  • After compression 1.3 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. Istanbulinstitute.com needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (28%)

Requests Now

163

After Optimization

117

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 163 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Istanbul 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 29 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

istanbulinstitute.com

istanbulinstitute.com

336 ms

istanbulinstitute.com

istanbulinstitute.com

1863 ms

bootstrap.min.css

bootstrap.min.css

160 ms

slick.css

slick.css

318 ms

slick-theme.css

slick-theme.css

399 ms

sal.css

sal.css

398 ms

feather.css

feather.css

404 ms

fontawesome.min.css

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466 ms

euclid-circulara.css

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469 ms

swiper.css

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474 ms

magnify.css

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533 ms

odometer.css

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533 ms

animation.css

animation.css

545 ms

bootstrap-select.min.css

bootstrap-select.min.css

625 ms

jquery-ui.css

jquery-ui.css

627 ms

magnigy-popup.min.css

magnigy-popup.min.css

631 ms

plyr.css

plyr.css

667 ms

style.css

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1059 ms

js

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55 ms

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115 ms

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128 ms

modernizr.min.js

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678 ms

jquery.js

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932 ms

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936 ms

sal.js

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782 ms

swiper.js

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1077 ms

magnify.min.js

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816 ms

jquery-appear.js

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942 ms

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956 ms

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1092 ms

isotop.js

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1272 ms

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1167 ms

waypoint.min.js

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1279 ms

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1279 ms

text-type.js

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1281 ms

jquery-one-page-nav.js

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1279 ms

bootstrap-select.min.js

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1281 ms

jquery-ui.js

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1280 ms

magnify-popup.min.js

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1359 ms

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37 ms

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1358 ms

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1103 ms

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1026 ms

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41 ms

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1245 ms

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1247 ms

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63 ms

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23 ms

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1111 ms

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949 ms

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934 ms

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948 ms

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964 ms

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Accessibility Review

istanbulinstitute.com accessibility score

70

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

[aria-*] attributes do not have valid values

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

Form elements do not have associated labels

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

istanbulinstitute.com best practices score

83

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

SEO Factors

istanbulinstitute.com SEO score

92

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

Language and Encoding

  • Language Detected

    TR

  • Language Claimed

    TR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Istanbulinstitute.com can be misinterpreted by Google and other search engines. Our service has detected that Turkish is used on the page, and it matches the claimed language. Our system also found out that Istanbulinstitute.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

istanbulinstitute.com

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