Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

si.lefo.net

Lefo | Lefo

Page Load Speed

3.6 sec in total

First Response

788 ms

Resources Loaded

2.7 sec

Page Rendered

120 ms

si.lefo.net screenshot

About Website

Click here to check amazing Si Lefo content for Russia. Otherwise, check out these important facts you probably never knew about si.lefo.net

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Key Findings

We analyzed Si.lefo.net page load time and found that the first response time was 788 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

si.lefo.net performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

si.lefo.net

788 ms

styles.css

119 ms

top.html

217 ms

leftmenu.html

265 ms

welcome.html

267 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 97% of them (33 requests) were addressed to the original Si.lefo.net, 3% (1 request) were made to Lefo.net. The less responsive or slowest element that took the longest time to load (788 ms) belongs to the original domain Si.lefo.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.1 kB (57%)

Content Size

59.9 kB

After Optimization

25.8 kB

In fact, the total size of Si.lefo.net main page is 59.9 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. Javascripts take 28.7 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 882 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 620 B

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 882 B or 59% of the original size.

Image Optimization

-16%

Potential reduce by 3.7 kB

  • Original 22.6 kB
  • After minification 18.9 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. Obviously, Si Lefo needs image optimization as it can save up to 3.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-82%

Potential reduce by 23.6 kB

  • Original 28.7 kB
  • After minification 19.8 kB
  • After compression 5.1 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 23.6 kB or 82% of the original size.

CSS Optimization

-84%

Potential reduce by 6.0 kB

  • Original 7.2 kB
  • After minification 6.1 kB
  • After compression 1.2 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. Si.lefo.net needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (36%)

Requests Now

33

After Optimization

21

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Si Lefo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

si.lefo.net accessibility score

33

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

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

Best Practices

si.lefo.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

si.lefo.net SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Si.lefo.net 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 Si.lefo.net main page’s claimed encoding is utf8. 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

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