6.8 sec in total
470 ms
6.2 sec
115 ms
Welcome to katalog.istanbul.edu.tr homepage info - get ready to check Katalog Istanbul best content for Turkey right away, or after learning these important things about katalog.istanbul.edu.tr
Visit katalog.istanbul.edu.trWe analyzed Katalog.istanbul.edu.tr page load time and found that the first response time was 470 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
katalog.istanbul.edu.tr performance score
name
value
score
weighting
Value9.9 s
0/100
10%
Value11.9 s
0/100
25%
Value12.6 s
3/100
10%
Value110 ms
98/100
30%
Value0.003
100/100
15%
Value12.7 s
14/100
10%
470 ms
738 ms
549 ms
444 ms
754 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 92% of them (45 requests) were addressed to the original Katalog.istanbul.edu.tr, 4% (2 requests) were made to Encrypted.google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Katalog.istanbul.edu.tr.
Page size can be reduced by 462.7 kB (59%)
782.2 kB
319.5 kB
In fact, the total size of Katalog.istanbul.edu.tr main page is 782.2 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. Only 10% of websites need less resources to load. Javascripts take 508.0 kB which makes up the majority of the site volume.
Potential reduce by 19.1 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 19.1 kB or 75% of the original size.
Potential reduce by 16.9 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, Katalog Istanbul needs image optimization as it can save up to 16.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 352.8 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 352.8 kB or 69% of the original size.
Potential reduce by 73.9 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. Katalog.istanbul.edu.tr needs all CSS files to be minified and compressed as it can save up to 73.9 kB or 79% of the original size.
Number of requests can be reduced by 34 (74%)
46
12
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katalog 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 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
katalog.istanbul.edu.tr
470 ms
default_tr
738 ms
default.css
549 ms
suggest.css
444 ms
jquery-ui-1.8.12.custom.css
754 ms
jquery-selectable.custom.css
449 ms
format-types.css
441 ms
open.css
924 ms
jquery-1.5.1.min.js
1447 ms
jquery-ui-1.8.12.custom.js
1986 ms
functions.js
877 ms
google-preview.js
941 ms
api.js
83 ms
api_1b1a0a4e3f7d22f623295a8071c2af5d__tr.js
42 ms
prototype.js
1559 ms
scriptaculous.js
1130 ms
effects.js
1478 ms
tapestry.js
1506 ms
Index.js
1583 ms
Ajax.js
1718 ms
sirsidynix.js
2022 ms
MainMenu.js
1873 ms
LanguagePicker.js
1923 ms
SuggestBox.js
2117 ms
SDLib.js
2073 ms
SearchBox.js
2189 ms
NyTimes.js
2241 ms
style.css
1484 ms
bkg2.png
218 ms
ada_mode.png
418 ms
helpicon.png
427 ms
facebook.png
322 ms
iulogo.png
631 ms
home.png
424 ms
alert-overlay.png
584 ms
spacer.gif
687 ms
field-error-marker.gif
794 ms
2OverDrive.png
1029 ms
kapi.png
1042 ms
pausebutton.png
966 ms
ga.js
27 ms
builder.js
942 ms
dragdrop.js
1139 ms
controls.js
1232 ms
slider.js
1434 ms
sound.js
1324 ms
__utm.gif
12 ms
left_arrow.png
224 ms
right_arrow.png
393 ms
katalog.istanbul.edu.tr accessibility score
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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
katalog.istanbul.edu.tr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
katalog.istanbul.edu.tr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
TR
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Katalog.istanbul.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 Katalog.istanbul.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.
katalog.istanbul.edu.tr
Open Graph description is not detected on the main page of Katalog Istanbul. 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: