Tools & Wizards About Us
nikonschool.it screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

nikonschool.it

Nikon School

Page Load Speed

6 sec in total

First Response

339 ms

Resources Loaded

5.2 sec

Page Rendered

444 ms

nikonschool.it screenshot

About Website

Welcome to nikonschool.it homepage info - get ready to check Nikon School best content for Italy right away, or after learning these important things about nikonschool.it

Corsi, tutorial ed esperienze condivise nel portale dedicato alla didattica ed alla cultura fotografica. Scopri il mondo Nikon attraverso gli occhi dei fotografi più esperti.

Visit nikonschool.it

Key Findings

We analyzed Nikonschool.it page load time and found that the first response time was 339 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

nikonschool.it performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.4 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value2,000 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.899

3/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

nikonschool.it

339 ms

www.nikonschool.it

446 ms

www.nikonschool.it

813 ms

bootstrap.min.css

520 ms

bootstrapXL.css

296 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 61% of them (57 requests) were addressed to the original Nikonschool.it, 22% (21 requests) were made to Images.nital.it and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Images.nital.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 534.4 kB (17%)

Content Size

3.1 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nikonschool.it main page is 3.1 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. 45% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 61.4 kB

  • Original 82.7 kB
  • After minification 76.8 kB
  • After compression 21.3 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 61.4 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 14.0 kB

  • Original 2.4 MB
  • After minification 2.4 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. Nikon School images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 227.2 kB

  • Original 374.1 kB
  • After minification 373.1 kB
  • After compression 146.9 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 227.2 kB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 231.8 kB

  • Original 273.4 kB
  • After minification 238.4 kB
  • After compression 41.7 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. Nikonschool.it needs all CSS files to be minified and compressed as it can save up to 231.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (35%)

Requests Now

71

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nikon School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nikonschool.it

nikonschool.it

339 ms

www.nikonschool.it

www.nikonschool.it

446 ms

www.nikonschool.it

www.nikonschool.it

813 ms

bootstrap.min.css

bootstrap.min.css

520 ms

bootstrapXL.css

bootstrapXL.css

296 ms

foreach.css

foreach.css

551 ms

foreachnew.css

foreachnew.css

441 ms

wic2.css

wic2.css

338 ms

jquery-ui-1.8.16.custom.css

jquery-ui-1.8.16.custom.css

613 ms

skin.css

skin.css

391 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

449 ms

slick.css

slick.css

488 ms

glDatePicker.default.css

glDatePicker.default.css

552 ms

jquery.min.js

jquery.min.js

933 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

584 ms

bootstrap.min.js

bootstrap.min.js

722 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

654 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

655 ms

jquery.tools.min.js

jquery.tools.min.js

679 ms

jquery.validate.js

jquery.validate.js

853 ms

additional-methods.min.js

additional-methods.min.js

764 ms

custom.js

custom.js

763 ms

codfiscale.js

codfiscale.js

776 ms

froogaloop2.min.js

froogaloop2.min.js

104 ms

jquery.tubular.vm.1.0.js

jquery.tubular.vm.1.0.js

823 ms

jquery.bgimages.js

jquery.bgimages.js

873 ms

slick.min.js

slick.min.js

1022 ms

glDatePicker.min.js

glDatePicker.min.js

873 ms

cookie.js

cookie.js

961 ms

addthis_widget.js

addthis_widget.js

44 ms

css

css

67 ms

jquery.min.js

jquery.min.js

131 ms

analytics.js

analytics.js

101 ms

home-16-01-ws-panizza.jpg

home-16-01-ws-panizza.jpg

2420 ms

bg_header.png

bg_header.png

161 ms

NitalMenu.png

NitalMenu.png

169 ms

d500.png

d500.png

247 ms

bg_breadcrumb.png

bg_breadcrumb.png

189 ms

nikonschool_logo_breadcrumb.png

nikonschool_logo_breadcrumb.png

169 ms

btn_favorites.jpg

btn_favorites.jpg

252 ms

btn_print.jpg

btn_print.jpg

251 ms

btn_email.jpg

btn_email.jpg

252 ms

btn_twitter.jpg

btn_twitter.jpg

312 ms

btn_facebook.jpg

btn_facebook.jpg

349 ms

bg_copy.png

bg_copy.png

356 ms

workshop.jpg

workshop.jpg

361 ms

corsi.jpg

corsi.jpg

370 ms

travel.jpg

travel.jpg

362 ms

life.jpg

life.jpg

433 ms

experience.jpg

experience.jpg

443 ms

tutorial.jpg

tutorial.jpg

461 ms

sguardi.jpg

sguardi.jpg

469 ms

interviste.jpg

interviste.jpg

475 ms

bar_menu_home.jpg

bar_menu_home.jpg

485 ms

facebookLogo.jpg

facebookLogo.jpg

554 ms

youtubeLogo.jpg

youtubeLogo.jpg

540 ms

twitterLogo.jpg

twitterLogo.jpg

564 ms

pinterestLogo.jpg

pinterestLogo.jpg

578 ms

googlePlusLogo.jpg

googlePlusLogo.jpg

584 ms

nikon-image-space.png

nikon-image-space.png

601 ms

sede.png

sede.png

733 ms

home-16-03-ws-vargiu.jpg

home-16-03-ws-vargiu.jpg

2319 ms

home-16-02-ws-bologna.jpg

home-16-02-ws-bologna.jpg

2279 ms

home-16-04-sguardi101.jpg

home-16-04-sguardi101.jpg

2311 ms

1-1.jpg

1-1.jpg

1288 ms

2-1.jpg

2-1.jpg

1727 ms

3-1.jpg

3-1.jpg

1741 ms

4-1.jpg

4-1.jpg

2110 ms

1-2.jpg

1-2.jpg

2084 ms

2-2.jpg

2-2.jpg

2425 ms

4-2.jpg

4-2.jpg

2237 ms

1-3.jpg

1-3.jpg

2365 ms

2-3.jpg

2-3.jpg

2391 ms

3-3.jpg

3-3.jpg

2425 ms

4-3.jpg

4-3.jpg

2426 ms

servizi-1.jpg

servizi-1.jpg

2618 ms

servizi-2.jpg

servizi-2.jpg

2503 ms

servizi-3.jpg

servizi-3.jpg

2514 ms

facebook.jpg

facebook.jpg

2537 ms

instagram.jpg

instagram.jpg

2538 ms

twitter.jpg

twitter.jpg

2532 ms

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

135 ms

DXI1ORHCpsQm3Vp6mXoaTXhCUOGz7vYGh680lGh-uXM.woff

DXI1ORHCpsQm3Vp6mXoaTXhCUOGz7vYGh680lGh-uXM.woff

147 ms

MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff

MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff

166 ms

k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff

k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff

182 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

657 ms

300lo.json

300lo.json

124 ms

it.js

it.js

37 ms

bg_bar_menu_home.jpg

bg_bar_menu_home.jpg

604 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

86 ms

collect

collect

19 ms

collect

collect

106 ms

collect

collect

57 ms

collect

collect

89 ms

Accessibility Review

nikonschool.it accessibility score

86

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

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

nikonschool.it best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

nikonschool.it SEO score

74

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nikonschool.it can be misinterpreted by Google and other search engines. Our service has detected that Italian 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 Nikonschool.it 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

nikonschool.it

Open Graph description is not detected on the main page of Nikon School. 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: