Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

radyo.itu.edu.tr

İTÜ RADYOSU

Page Load Speed

5.6 sec in total

First Response

1.8 sec

Resources Loaded

3.6 sec

Page Rendered

247 ms

radyo.itu.edu.tr screenshot

About Website

Welcome to radyo.itu.edu.tr homepage info - get ready to check Radyo Itu best content for Turkey right away, or after learning these important things about radyo.itu.edu.tr

İTÜ Radyosu ülkemizde ilk üniversite radyosu olarak 1945 yılında kurulmuş ve düzenli yayına başlamıştır.

Visit radyo.itu.edu.tr

Key Findings

We analyzed Radyo.itu.edu.tr page load time and found that the first response time was 1.8 sec and then it took 3.8 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

radyo.itu.edu.tr performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value280 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value23.0 s

1/100

10%

Network Requests Diagram

radyo.itu.edu.tr

1777 ms

Enlighten.css

365 ms

prototype.js

1188 ms

ga.js

105 ms

wrap-bg.jpg

234 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 64% of them (9 requests) were addressed to the original Radyo.itu.edu.tr, 14% (2 requests) were made to Google-analytics.com and 7% (1 request) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Radyo.itu.edu.tr.

Page Optimization Overview & Recommendations

Page size can be reduced by 141.4 kB (64%)

Content Size

219.4 kB

After Optimization

78.0 kB

In fact, the total size of Radyo.itu.edu.tr main page is 219.4 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. 20% of websites need less resources to load. Javascripts take 161.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 7.8 kB

  • Original 10.7 kB
  • After minification 7.3 kB
  • After compression 2.9 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 3.4 kB, which is 32% 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 7.8 kB or 73% of the original size.

Image Optimization

-23%

Potential reduce by 8.6 kB

  • Original 38.1 kB
  • After minification 29.5 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. Obviously, Radyo Itu needs image optimization as it can save up to 8.6 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 118.0 kB

  • Original 161.9 kB
  • After minification 123.0 kB
  • After compression 43.9 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 118.0 kB or 73% of the original size.

CSS Optimization

-80%

Potential reduce by 7.0 kB

  • Original 8.7 kB
  • After minification 5.5 kB
  • After compression 1.7 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. Radyo.itu.edu.tr needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (27%)

Requests Now

11

After Optimization

8

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radyo Itu. 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 as a result speed up the page load time.

Accessibility Review

radyo.itu.edu.tr accessibility score

88

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

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

High

Links do not have a discernible name

Best Practices

radyo.itu.edu.tr best practices score

67

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

High

Missing source maps for large first-party JavaScript

SEO Factors

radyo.itu.edu.tr SEO score

96

Search Engine Optimization Advices

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

    ISO-8859-9

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radyo.itu.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 Radyo.itu.edu.tr main page’s claimed encoding is iso-8859-9. 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 description is not detected on the main page of Radyo Itu. 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: