Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

Page Load Speed

6.9 sec in total

First Response

454 ms

Resources Loaded

6.2 sec

Page Rendered

246 ms

librarycatalog.bilkent.edu.tr screenshot

About Website

Welcome to librarycatalog.bilkent.edu.tr homepage info - get ready to check Library Catalog Bilkent best content for Turkey right away, or after learning these important things about librarycatalog.bilkent.edu.tr

Visit librarycatalog.bilkent.edu.tr

Key Findings

We analyzed Librarycatalog.bilkent.edu.tr page load time and found that the first response time was 454 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

librarycatalog.bilkent.edu.tr performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

librarycatalog.bilkent.edu.tr

454 ms

university

587 ms

core.js

1194 ms

CoreSearchStack.js

1615 ms

HomepageStack.js

326 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 78% of them (31 requests) were addressed to the original Librarycatalog.bilkent.edu.tr, 10% (4 requests) were made to 0 and 8% (3 requests) were made to Syndetics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Librarycatalog.bilkent.edu.tr.

Page Optimization Overview & Recommendations

Page size can be reduced by 229.1 kB (43%)

Content Size

529.0 kB

After Optimization

299.8 kB

In fact, the total size of Librarycatalog.bilkent.edu.tr main page is 529.0 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. Images take 228.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 78.8 kB

  • Original 89.5 kB
  • After minification 87.1 kB
  • After compression 10.7 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 78.8 kB or 88% of the original size.

Image Optimization

-6%

Potential reduce by 14.1 kB

  • Original 228.4 kB
  • After minification 214.3 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. Library Catalog Bilkent images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-70%

Potential reduce by 136.2 kB

  • Original 193.9 kB
  • After minification 187.2 kB
  • After compression 57.7 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. Librarycatalog.bilkent.edu.tr needs all CSS files to be minified and compressed as it can save up to 136.2 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (47%)

Requests Now

38

After Optimization

20

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Catalog Bilkent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

librarycatalog.bilkent.edu.tr accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

librarycatalog.bilkent.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

librarycatalog.bilkent.edu.tr SEO score

54

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

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Librarycatalog.bilkent.edu.tr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Librarycatalog.bilkent.edu.tr main page’s claimed encoding is iso-8859-1. 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 Library Catalog Bilkent. 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: