Tools & Wizards About Us
os-donja-dubrava.skole.hr screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

os-donja-dubrava.skole.hr

Osnovna škola Donja Dubrava - NASLOVNICA - OPĆE VIJESTI

Page Load Speed

4.1 sec in total

First Response

527 ms

Resources Loaded

3 sec

Page Rendered

500 ms

os-donja-dubrava.skole.hr screenshot

About Website

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

Visit os-donja-dubrava.skole.hr

Key Findings

We analyzed Os-donja-dubrava.skole.hr page load time and found that the first response time was 527 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

os-donja-dubrava.skole.hr performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

os-donja-dubrava.skole.hr

527 ms

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

243 ms

mootools-more-1.4.0.1.js

359 ms

mocha-core-window-modal-mt14.js

644 ms

cms-init1.3.js

449 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 88% of them (80 requests) were addressed to the original Os-donja-dubrava.skole.hr, 4% (4 requests) were made to Pljusak.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Os-donja-dubrava.skole.hr.

Page Optimization Overview & Recommendations

Page size can be reduced by 627.4 kB (28%)

Content Size

2.2 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Os-donja-dubrava.skole.hr main page is 2.2 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. 60% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 51.3 kB

  • Original 63.6 kB
  • After minification 57.9 kB
  • After compression 12.3 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 51.3 kB or 81% of the original size.

Image Optimization

-15%

Potential reduce by 260.0 kB

  • Original 1.7 MB
  • After minification 1.4 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 Donja Dubrava Skole needs image optimization as it can save up to 260.0 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 272.3 kB

  • Original 388.0 kB
  • After minification 346.7 kB
  • After compression 115.7 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 272.3 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 43.8 kB

  • Original 53.4 kB
  • After minification 38.3 kB
  • After compression 9.6 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-donja-dubrava.skole.hr needs all CSS files to be minified and compressed as it can save up to 43.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (23%)

Requests Now

88

After Optimization

68

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Os Donja Dubrava 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 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

os-donja-dubrava.skole.hr

os-donja-dubrava.skole.hr

527 ms

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

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

243 ms

mootools-more-1.4.0.1.js

mootools-more-1.4.0.1.js

359 ms

mocha-core-window-modal-mt14.js

mocha-core-window-modal-mt14.js

644 ms

cms-init1.3.js

cms-init1.3.js

449 ms

milkbox2.2-mt1.3patch.js

milkbox2.2-mt1.3patch.js

576 ms

roll_include.js

roll_include.js

574 ms

strix4-default.css

strix4-default.css

378 ms

Window.css

Window.css

467 ms

milkbox.css

milkbox.css

475 ms

master.css

master.css

558 ms

sticker150.php

sticker150.php

300 ms

login_ljudi.png

login_ljudi.png

123 ms

banner_repeat.png

banner_repeat.png

117 ms

skola_novo.png

skola_novo.png

1149 ms

menu_background.png

menu_background.png

112 ms

faux.gif

faux.gif

115 ms

podrucna_skola2.png

podrucna_skola2.png

679 ms

modul_headerBackground.png

modul_headerBackground.png

222 ms

modul_ikonice.png

modul_ikonice.png

226 ms

noviudzbenici.png

noviudzbenici.png

228 ms

200x100-e-D_ucenici_4.png

200x100-e-D_ucenici_4.png

236 ms

novepisane_provjere.png

novepisane_provjere.png

332 ms

novijelovnik.png

novijelovnik.png

336 ms

novikurikul.png

novikurikul.png

339 ms

novijavnipoziv.png

novijavnipoziv.png

352 ms

eUsmjeravanje_ucenici_WEB.jpg

eUsmjeravanje_ucenici_WEB.jpg

552 ms

PrijavaPrometna.png

PrijavaPrometna.png

670 ms

Clipboard01.png

Clipboard01.png

677 ms

CSI_novo.jpg

CSI_novo.jpg

468 ms

Logo_Nacionalni_CERT_2011.jpg

Logo_Nacionalni_CERT_2011.jpg

586 ms

Screenshot_2.png

Screenshot_2.png

771 ms

Screenshot_1.png

Screenshot_1.png

705 ms

Potrosackaslikovnicaslika.png

Potrosackaslikovnicaslika.png

1005 ms

mzos.jpg

mzos.jpg

790 ms

azoo.gif

azoo.gif

791 ms

aoo_logo1.jpg

aoo_logo1.jpg

821 ms

mobilnost_logo.gif

mobilnost_logo.gif

882 ms

nova_stranica.png

nova_stranica.png

903 ms

grb_medjimurje.gif

grb_medjimurje.gif

902 ms

grb_dd.gif

grb_dd.gif

939 ms

emedjimurje.png

emedjimurje.png

992 ms

NN-logo.jpg

NN-logo.jpg

1016 ms

sigurnakuca2.jpg

sigurnakuca2.jpg

1017 ms

hrabritelefon.png

hrabritelefon.png

1059 ms

unicef.png

unicef.png

1102 ms

noviudzbenici.png

noviudzbenici.png

1115 ms

200x100-e-D_nastavnici_3.png

200x100-e-D_nastavnici_3.png

1113 ms

analytics.js

analytics.js

8 ms

collect

collect

13 ms

logo-header.jpg

logo-header.jpg

1023 ms

he_logo_i_naziv.jpg

he_logo_i_naziv.jpg

1064 ms

Google.jpg

Google.jpg

1097 ms

vrijeme.png

vrijeme.png

1222 ms

portal_za_skole_2.png

portal_za_skole_2.png

1025 ms

btn-kids-corner.jpg

btn-kids-corner.jpg

1022 ms

249.png

249.png

1035 ms

znanost.jpg

znanost.jpg

1059 ms

css

css

25 ms

stil_stiker.css

stil_stiker.css

96 ms

bannerEM.jpg

bannerEM.jpg

995 ms

image009.jpg

image009.jpg

1022 ms

sportske_igre_mladih.jpg

sportske_igre_mladih.jpg

1021 ms

vecernji.png

vecernji.png

1027 ms

dc.js

dc.js

29 ms

fav_poz150.png

fav_poz150.png

95 ms

fav_poz150A.png

fav_poz150A.png

189 ms

__utm.gif

__utm.gif

11 ms

vE_mHt2vwTQbl4IemNlxKA.ttf

vE_mHt2vwTQbl4IemNlxKA.ttf

6 ms

Y731petW8QSBCT5isEDoTg.ttf

Y731petW8QSBCT5isEDoTg.ttf

9 ms

jutarnji.png

jutarnji.png

945 ms

slobodna_dal.png

slobodna_dal.png

884 ms

novi_list.png

novi_list.png

869 ms

tv_program2.png

tv_program2.png

913 ms

a.jpg

a.jpg

798 ms

smile.jpg

smile.jpg

817 ms

SAM_1932a.jpg

SAM_1932a.jpg

827 ms

P2120021.JPG

P2120021.JPG

776 ms

P2150023naslovna.jpg

P2150023naslovna.jpg

775 ms

IMG_0142.JPG

IMG_0142.JPG

794 ms

P2090013anaslovna.jpg

P2090013anaslovna.jpg

786 ms

P1300419_NASLOVNA.jpg

P1300419_NASLOVNA.jpg

766 ms

SAM_1903naslovna.jpg

SAM_1903naslovna.jpg

860 ms

SAM_1892bnaslovna.jpg

SAM_1892bnaslovna.jpg

886 ms

NASLOVNA.png

NASLOVNA.png

758 ms

plakat-skolsko_mlijeko.png

plakat-skolsko_mlijeko.png

708 ms

feed.gif

feed.gif

720 ms

vertikalni_ikonica.png

vertikalni_ikonica.png

748 ms

icon_nav_open.gif

icon_nav_open.gif

792 ms

footer_back.png

footer_back.png

753 ms

footer_logo.png

footer_logo.png

735 ms

Accessibility Review

os-donja-dubrava.skole.hr accessibility score

66

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

os-donja-dubrava.skole.hr best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

os-donja-dubrava.skole.hr SEO score

67

Search Engine Optimization Advices

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-donja-dubrava.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-donja-dubrava.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-donja-dubrava.skole.hr

Open Graph description is not detected on the main page of Os Donja Dubrava 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: