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netsivi.org screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

netsivi.org

NETSIVI BEN-AMOTS HOMEPAGE (ENGLISH): DYNAMICS, ROTATION, GRAVITATION, RELATIVITY, RELATIVISTIC VELOCITIES

Page Load Speed

916 ms in total

First Response

186 ms

Resources Loaded

338 ms

Page Rendered

392 ms

netsivi.org screenshot

About Website

Visit netsivi.org now to see the best up-to-date NETSIVI content and also check out these interesting facts you probably never knew about netsivi.org

NETSIVI BEN-AMOTS (ENGLISH): DYNAMICS, ROTATION, GRAVITATION, RELATIVITY, RELATIVISTIC VELOCITIES, ASTROPHYSICS

Visit netsivi.org

Key Findings

We analyzed Netsivi.org page load time and found that the first response time was 186 ms and then it took 730 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

netsivi.org performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

www.netsivi.org

186 ms

dot.gif

90 ms

tdi-logo.png

52 ms

image003.jpg

95 ms

celtic.gif

88 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Netsivi.org and no external sources were called. The less responsive or slowest element that took the longest time to load (186 ms) belongs to the original domain Netsivi.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.3 kB (25%)

Content Size

159.7 kB

After Optimization

120.4 kB

  • HTML
  • Images

In fact, the total size of Netsivi.org main page is 159.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 121.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 29.3 kB

  • Original 38.4 kB
  • After minification 33.5 kB
  • After compression 9.1 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. This page needs HTML code to be minified as it can gain 4.9 kB, which is 13% 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 29.3 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 10.1 kB

  • Original 121.4 kB
  • After minification 111.3 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. NETSIVI images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NETSIVI. According to our analytics all requests are already optimized.

Network Requests Diagram

www.netsivi.org

www.netsivi.org

186 ms

dot.gif

dot.gif

90 ms

tdi-logo.png

tdi-logo.png

52 ms

image003.jpg

image003.jpg

95 ms

celtic.gif

celtic.gif

88 ms

Accessibility Review

netsivi.org accessibility score

53

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

netsivi.org best practices score

67

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

SEO Factors

netsivi.org SEO score

58

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

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1255

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Netsivi.org can be misinterpreted by Google and other search engines. Our service has detected that English 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 Netsivi.org main page’s claimed encoding is windows-1255. 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

netsivi.org

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