Tools & Wizards About Us

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

istanbul.edu.tr

İstanbul Üniversitesi | Tarihten Geleceğe Bilim Köprüsü - 1453

Page Load Speed

4.3 sec in total

First Response

395 ms

Resources Loaded

3.9 sec

Page Rendered

60 ms

About Website

Visit istanbul.edu.tr now to see the best up-to-date Istanbul content for Turkey and also check out these interesting facts you probably never knew about istanbul.edu.tr

İstanbul Üniversitesi | Tarihten Geleceğe Bilim Köprüsü - 1453

Visit istanbul.edu.tr

Key Findings

We analyzed Istanbul.edu.tr page load time and found that the first response time was 395 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

istanbul.edu.tr performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value30.7 s

0/100

25%

SI (Speed Index)

Value20.7 s

0/100

10%

TBT (Total Blocking Time)

Value2,610 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value1.039

2/100

15%

TTI (Time to Interactive)

Value36.7 s

0/100

10%

Network Requests Diagram

istanbul.edu.tr

395 ms

istanbul.edu.tr

550 ms

www.istanbul.edu.tr

809 ms

tr

141 ms

all.min.css

53 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 57% of them (8 requests) were addressed to the original Istanbul.edu.tr, 14% (2 requests) were made to Service-cms.istanbul.edu.tr and 7% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Istanbul.edu.tr.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.5 kB (1%)

Content Size

1.0 MB

After Optimization

1.0 MB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Istanbul.edu.tr main page is 1.0 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. 20% of websites need less resources to load. Javascripts take 922.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 9.5 kB

  • Original 11.7 kB
  • After minification 11.3 kB
  • After compression 2.2 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 9.5 kB or 81% of the original size.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 922.4 kB
  • After minification 922.4 kB
  • After compression 922.3 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 0 B

  • Original 80.2 kB
  • After minification 80.2 kB
  • After compression 80.2 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. Istanbul.edu.tr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (80%)

Requests Now

10

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Istanbul. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

istanbul.edu.tr accessibility score

72

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-hidden="true"] elements contain focusable descendents

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

istanbul.edu.tr 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

istanbul.edu.tr 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

    TR

  • Language Claimed

    TR

  • Encoding

    WINDOWS-1254

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Istanbul.edu.tr 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 Istanbul.edu.tr main page’s claimed encoding is windows-1254. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: