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Report Summary

About Website

Welcome to elfo.ru homepage info - get ready to check Elfo best content right away, or after learning these important things about elfo.ru

Проектирование, изготовление и реализация монтажных и распределительных коробок, крепежа, выключателей и других изделий

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name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.4 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

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

elfo.ru

3236 ms

jquery.js

1065 ms

js.js

415 ms

css.css

550 ms

js

29 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 52% of them (58 requests) were addressed to the original Elfo.ru, 29% (33 requests) were made to Maps.google.com and 7% (8 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Elfo.ru.

Content Size

2.5 MB

After Optimization

2.0 MB

In fact, the total size of Elfo.ru main page is 2.5 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 59.1 kB

Original 69.5 kB
After minification 69.5 kB
After compression 10.4 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 59.1 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 40.7 kB

Original 1.8 MB
After minification 1.8 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. Elfo images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 379.4 kB

Original 591.6 kB
After minification 591.1 kB
After compression 212.2 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 379.4 kB or 64% of the original size.

CSS Optimization

-81%

Potential reduce by 11.2 kB

Original 13.8 kB
After minification 13.0 kB
After compression 2.6 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. Elfo.ru needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 81% of the original size.

Requests Now

103

After Optimization

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elfo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

Document doesn't have a <title> element

Search Engine Optimization Advices

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

High

Document doesn't have a <title> element

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

High

robots.txt is not valid

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Elfo.ru can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Elfo.ru 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

elfo.ru

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

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)