Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

deryaoncu.k12.tr

Derya Öncü Koleji | Anaokulu | İlkokul | Ortaokul | Lise

Page Load Speed

4.3 sec in total

First Response

483 ms

Resources Loaded

3.1 sec

Page Rendered

710 ms

About Website

Welcome to deryaoncu.k12.tr homepage info - get ready to check Derya Oncu K 12 best content right away, or after learning these important things about deryaoncu.k12.tr

Derya Öncü Koleji Resmi Web Sitesi - Millî ve mânevî değerlerin bilincinde, köklerine sadık bir nesil yetiştirme sevdası ile yola çıktık. Bu yolculukta çeyrek yüzyılı geride bıraktık.

Visit deryaoncu.k12.tr

Key Findings

We analyzed Deryaoncu.k12.tr page load time and found that the first response time was 483 ms and then it took 3.8 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

deryaoncu.k12.tr performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.495

16/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

deryaoncu.k12.tr

483 ms

deryaoncu.k12.tr

834 ms

gtm.js

110 ms

js

218 ms

js

201 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 72% of them (46 requests) were addressed to the original Deryaoncu.k12.tr, 8% (5 requests) were made to Fonts.gstatic.com and 6% (4 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Deryaoncu.k12.tr.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.3 kB (7%)

Content Size

2.0 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Deryaoncu.k12.tr main page is 2.0 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. 65% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 58.4 kB

  • Original 69.0 kB
  • After minification 52.3 kB
  • After compression 10.6 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 16.7 kB, which is 24% 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 58.4 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 86.9 kB

  • Original 1.9 MB
  • After minification 1.8 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. Derya Oncu K 12 images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 4 B

  • Original 33.5 kB
  • After minification 33.5 kB
  • After compression 33.5 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.

Requests Breakdown

Number of requests can be reduced by 14 (25%)

Requests Now

56

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derya Oncu K 12. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

deryaoncu.k12.tr accessibility score

64

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

deryaoncu.k12.tr 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

High

Page has valid source maps

SEO Factors

deryaoncu.k12.tr SEO score

90

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deryaoncu.k12.tr can be misinterpreted by Google and other search engines. Our service has detected that Turkish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Deryaoncu.k12.tr 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

Open Graph description is not detected on the main page of Derya Oncu K 12. 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: