Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 58

    SEO

    Google-friendlier than
    30% of websites

obs.sdu.edu.tr

SDÜ Öğrenci Bilgi Sistemi

Page Load Speed

3.7 sec in total

First Response

691 ms

Resources Loaded

2.9 sec

Page Rendered

102 ms

obs.sdu.edu.tr screenshot

About Website

Welcome to obs.sdu.edu.tr homepage info - get ready to check Obs Sdu best content for Turkey right away, or after learning these important things about obs.sdu.edu.tr

Visit obs.sdu.edu.tr

Key Findings

We analyzed Obs.sdu.edu.tr page load time and found that the first response time was 691 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

obs.sdu.edu.tr performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

obs.sdu.edu.tr

691 ms

index.aspx

1078 ms

Akademik.css

269 ms

WebResource.axd

471 ms

ScriptResource.axd

940 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Obs.sdu.edu.tr and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Obs.sdu.edu.tr.

Page Optimization Overview & Recommendations

Page size can be reduced by 452.4 kB (81%)

Content Size

557.7 kB

After Optimization

105.4 kB

In fact, the total size of Obs.sdu.edu.tr main page is 557.7 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. 15% of websites need less resources to load. Javascripts take 482.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.2 kB

  • Original 19.8 kB
  • After minification 14.3 kB
  • After compression 4.5 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 5.4 kB, which is 27% 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 15.2 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 3.1 kB

  • Original 45.8 kB
  • After minification 42.7 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. Obs Sdu images are well optimized though.

JavaScript Optimization

-88%

Potential reduce by 426.2 kB

  • Original 482.6 kB
  • After minification 273.2 kB
  • After compression 56.4 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 426.2 kB or 88% of the original size.

CSS Optimization

-81%

Potential reduce by 7.8 kB

  • Original 9.6 kB
  • After minification 7.1 kB
  • After compression 1.8 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. Obs.sdu.edu.tr needs all CSS files to be minified and compressed as it can save up to 7.8 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obs Sdu. According to our analytics all requests are already optimized.

Accessibility Review

obs.sdu.edu.tr accessibility score

52

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

Form elements do not have associated labels

Best Practices

obs.sdu.edu.tr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

obs.sdu.edu.tr SEO score

58

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

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 Obs.sdu.edu.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 Obs.sdu.edu.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 Obs Sdu. 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: