Tools & Wizards About Us
os-bistra.skole.hr screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 0

    Best Practices

  • 50

    SEO

    Google-friendlier than
    18% of websites

os-bistra.skole.hr

Osnovna škola Bistra - Naslovnica

Page Load Speed

5.4 sec in total

First Response

950 ms

Resources Loaded

3.5 sec

Page Rendered

990 ms

os-bistra.skole.hr screenshot

About Website

Visit os-bistra.skole.hr now to see the best up-to-date Os Bistra Skole content for Croatia and also check out these interesting facts you probably never knew about os-bistra.skole.hr

Visit os-bistra.skole.hr

Key Findings

We analyzed Os-bistra.skole.hr page load time and found that the first response time was 950 ms and then it took 4.5 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

os-bistra.skole.hr performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value31.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value31.0 s

0/100

25%

SI (Speed Index)

Value31.0 s

0/100

10%

TBT (Total Blocking Time)

Value2,360 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value40.4 s

0/100

10%

Network Requests Diagram

os-bistra.skole.hr

950 ms

mootools-core-1.4.5-full-nocompat-yc.js

347 ms

mootools-more-1.4.0.1.js

364 ms

mocha-core-window-modal-mt14.js

386 ms

cms-init1.3.js

232 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 87% of them (34 requests) were addressed to the original Os-bistra.skole.hr, 8% (3 requests) were made to Freesecure.timeanddate.com and 5% (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 Os-bistra.skole.hr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (18%)

Content Size

6.1 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Os-bistra.skole.hr main page is 6.1 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. 40% of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 66.8 kB

  • Original 81.0 kB
  • After minification 75.1 kB
  • After compression 14.2 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 66.8 kB or 82% of the original size.

Image Optimization

-12%

Potential reduce by 692.2 kB

  • Original 5.6 MB
  • After minification 4.9 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. Obviously, Os Bistra Skole needs image optimization as it can save up to 692.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 240.4 kB

  • Original 339.0 kB
  • After minification 297.7 kB
  • After compression 98.6 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 240.4 kB or 71% of the original size.

CSS Optimization

-86%

Potential reduce by 66.2 kB

  • Original 77.1 kB
  • After minification 53.2 kB
  • After compression 10.9 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. Os-bistra.skole.hr needs all CSS files to be minified and compressed as it can save up to 66.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (53%)

Requests Now

38

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Os Bistra Skole. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

os-bistra.skole.hr

os-bistra.skole.hr

950 ms

mootools-core-1.4.5-full-nocompat-yc.js

mootools-core-1.4.5-full-nocompat-yc.js

347 ms

mootools-more-1.4.0.1.js

mootools-more-1.4.0.1.js

364 ms

mocha-core-window-modal-mt14.js

mocha-core-window-modal-mt14.js

386 ms

cms-init1.3.js

cms-init1.3.js

232 ms

milkbox2.2-mt1.3patch.js

milkbox2.2-mt1.3patch.js

233 ms

roll_include.js

roll_include.js

234 ms

strix4-default.css

strix4-default.css

405 ms

Window.css

Window.css

408 ms

milkbox.css

milkbox.css

409 ms

master.css

master.css

468 ms

hss1

hss1

136 ms

login_pozadina_lev_off.gif

login_pozadina_lev_off.gif

137 ms

login_pozadina_des_off.gif

login_pozadina_des_off.gif

137 ms

ulaz_skole.jpg

ulaz_skole.jpg

584 ms

mail2.gif

mail2.gif

135 ms

WP_20151118_022.jpg

WP_20151118_022.jpg

1702 ms

slika%20MO1.png

slika%20MO1.png

797 ms

slika%20MO2.png

slika%20MO2.png

756 ms

slika%20MO3.png

slika%20MO3.png

810 ms

mak.png

mak.png

1165 ms

mak1.png

mak1.png

2215 ms

skolske%20novine.png

skolske%20novine.png

1661 ms

globalnav_pozadina.jpg

globalnav_pozadina.jpg

829 ms

icon_nav_open.gif

icon_nav_open.gif

841 ms

glavnav_pozadina.jpg

glavnav_pozadina.jpg

944 ms

clanak_sekcija_poz.jpg

clanak_sekcija_poz.jpg

958 ms

mod_pozadina_zaglavlje.jpg

mod_pozadina_zaglavlje.jpg

1059 ms

mod_pozadina_podnozje.jpg

mod_pozadina_podnozje.jpg

1077 ms

minimize.gif

minimize.gif

1177 ms

spacer.gif

spacer.gif

1189 ms

mod_pozadina_zaglavlje_lijevo.jpg

mod_pozadina_zaglavlje_lijevo.jpg

1189 ms

mod_pozadina_podnozje_lijevo.jpg

mod_pozadina_podnozje_lijevo.jpg

1291 ms

KURIKULUM.png

KURIKULUM.png

1305 ms

cms-logo.png

cms-logo.png

1305 ms

analytics.js

analytics.js

21 ms

free-logo.svg

free-logo.svg

37 ms

collect

collect

11 ms

ts.php

ts.php

17 ms

Accessibility Review

os-bistra.skole.hr accessibility score

63

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

SEO Factors

os-bistra.skole.hr SEO score

50

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

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

    HR

  • Language Claimed

    HR

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Os-bistra.skole.hr can be misinterpreted by Google and other search engines. Our service has detected that Croatian is used on the page, and it matches the claimed language. Our system also found out that Os-bistra.skole.hr main page’s claimed encoding is iso-8859-2. 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

os-bistra.skole.hr

Open Graph description is not detected on the main page of Os Bistra Skole. 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: