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nauka2018.com screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

nauka2018.com

Nauka 2018 - Laboratory "Theory of Elementary Particles"

Page Load Speed

1.5 sec in total

First Response

449 ms

Resources Loaded

900 ms

Page Rendered

143 ms

nauka2018.com screenshot

About Website

Click here to check amazing Nauka 2018 content. Otherwise, check out these important facts you probably never knew about nauka2018.com

Nauka 2018, Homepage of Laboratory 'Theory of Elementary Particles', Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia

Visit nauka2018.com

Key Findings

We analyzed Nauka2018.com page load time and found that the first response time was 449 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

nauka2018.com performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.475

18/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

nauka2018.com

449 ms

FLRW-eq_sm.jpg

117 ms

Binary-Black-Holes_sm.jpg

451 ms

Neutron-star-merger_sm.jpg

341 ms

conformal-bootstrap_sm.jpg

230 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Nauka2018.com and no external sources were called. The less responsive or slowest element that took the longest time to load (451 ms) belongs to the original domain Nauka2018.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.6 kB (4%)

Content Size

154.6 kB

After Optimization

147.9 kB

  • HTML
  • Images

In fact, the total size of Nauka2018.com main page is 154.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 146.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 6.6 kB

  • Original 8.6 kB
  • After minification 6.7 kB
  • After compression 1.9 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 1.9 kB, which is 22% 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 6.6 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 146.0 kB
  • After minification 146.0 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. Nauka 2018 images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nauka 2018. According to our analytics all requests are already optimized.

Network Requests Diagram

nauka2018.com

nauka2018.com

449 ms

FLRW-eq_sm.jpg

FLRW-eq_sm.jpg

117 ms

Binary-Black-Holes_sm.jpg

Binary-Black-Holes_sm.jpg

451 ms

Neutron-star-merger_sm.jpg

Neutron-star-merger_sm.jpg

341 ms

conformal-bootstrap_sm.jpg

conformal-bootstrap_sm.jpg

230 ms

Elementary-particles_sm.jpg

Elementary-particles_sm.jpg

353 ms

MathPhys-logo_sm.jpg

MathPhys-logo_sm.jpg

353 ms

Accessibility Review

nauka2018.com accessibility score

49

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

Tables and lists

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

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

nauka2018.com best practices score

75

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

Serves images with low resolution

SEO Factors

nauka2018.com 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

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nauka2018.com 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 Nauka2018.com main page’s claimed encoding is iso-8859-1. 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

nauka2018.com

Open Graph description is not detected on the main page of Nauka 2018. 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: