Access nb.org. Αρχική | ΝΟΜΙΚΗ ΒΙΒΛΙΟΘΗΚΗ

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value17.5 s

0/100

10%

TBT (Total Blocking Time)

Value3,270 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

nb.org

300 ms

www.nb.org

743 ms

calendar.css

200 ms

mpBlogIcon.css

300 ms

styles-m.css

514 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 86% of them (110 requests) were addressed to the original Nb.org, 4% (5 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (816 ms) belongs to the original domain Nb.org.

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Nb.org main page is 1.6 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. 70% of websites need less resources to load. Images take 650.5 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 373.9 kB

Original 416.8 kB
After minification 302.3 kB
After compression 42.9 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. This page needs HTML code to be minified as it can gain 114.4 kB, which is 27% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 373.9 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 389 B

Original 650.5 kB
After minification 650.1 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. Nb images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 24.3 kB

Original 279.1 kB
After minification 275.0 kB
After compression 254.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-10%

Potential reduce by 24.0 kB

Original 242.5 kB
After minification 242.3 kB
After compression 218.4 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. Nb.org has all CSS files already compressed.

Requests Now

116

After Optimization

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 45 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[role]s do not have all required [aria-*] attributes

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EL
Language Claimed

EL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nb.org can be misinterpreted by Google and other search engines. Our service has detected that Greek is used on the page, and it matches the claimed language. Our system also found out that Nb.org 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

nb.org

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Αρχική | ΝΟΜΙΚΗ ΒΙΒΛΙΟΘΗΚΗ

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

nb.org

www.nb.org

calendar.css

mpBlogIcon.css

styles-m.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

nb.org

www.nb.org

calendar.css

mpBlogIcon.css

styles-m.css

nb-themev1.css

elementsv1.css

nb-migrationv1.css

nb-widgetsv1.css

nb-commonv1.css

homepagev1.css

menunbv2.css

balloonv1.css

book-categoryv1.css

nb-contentv1.css

nb-contactv1.css

nb-bundle-promotions.css

qualex-free-trial.css

amslick.min.css

gallery.css

jquery.fancybox.css

jquery.raty.css

font-awesome.min.css

jquery.dm-uploader.min.css

styles.css

category_sidebar.css

widget.css

styles.css

cookienotice.css

owl.carousel.css

nb-my-account.css

nb-register.css

blog-m.css

blog-custom.css

nb-blog2.css

nb-blog3.css

blog-new.css

css

all.min.css

css

O_Neos_Europaikos_Kanonismos_gia_tin_Texniti_Noimosini_1590X200.jpg

O_Neos_Europaikos_Kanonismos_gia_tin_Texniti_Noimosini_630X200.jpg

script.js