Access itferrum.ru.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value4,220 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.161

72/100

15%

TTI (Time to Interactive)

Value29.3 s

0/100

10%

itferrum.ru

575 ms

itferrum.ru

748 ms

itferrum.ru

648 ms

core.min.css

415 ms

jquery.fancybox.css

415 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 71% of them (70 requests) were addressed to the original Itferrum.ru, 7% (7 requests) were made to St6-21.vk.com and 6% (6 requests) were made to Vk.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Itferrum.ru.

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Itferrum.ru 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. 50% of websites need less resources to load. Images take 612.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 112.1 kB

Original 139.3 kB
After minification 120.5 kB
After compression 27.3 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 18.8 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 112.1 kB or 80% of the original size.

Image Optimization

-45%

Potential reduce by 276.3 kB

Original 612.4 kB
After minification 336.1 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. Obviously, Itferrum needs image optimization as it can save up to 276.3 kB or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 36.8 kB

Original 391.2 kB
After minification 391.2 kB
After compression 354.4 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 50.7 kB

Original 495.7 kB
After minification 495.6 kB
After compression 445.0 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. Itferrum.ru has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itferrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 14 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

[aria-hidden="true"] elements contain focusable descendents

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 the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

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

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 Itferrum.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 Itferrum.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

itferrum.ru

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

Network Requests Diagram

itferrum.ru

itferrum.ru

itferrum.ru

core.min.css

jquery.fancybox.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

itferrum.ru

itferrum.ru

itferrum.ru

core.min.css

jquery.fancybox.css

styles.css

colors.css

fonts.css

media.css

custom.css

ajax.css

style.css

style.min.css

kernel_main_v1.js

kernel_main_polyfill_promise_v1.js

loadext.min.js

extension.min.js

core_db.min.js

core_frame_cache.min.js

jquery-1.8.3.min.js

ajax.min.js

core_currency.min.js

template_c550df90700e46e8bb7c1f54d433e8ef_v1.js

font-awesome.min.css

widget.js

top100.jcn

openapi.c340c125c61ec5745ebb2a98626e46ab.js

ba.js

button_icons.png

slider_pagination.png

arrows_big.png

like_icons.png

arrows_small.png

sort_icons.png

logo_160_38.png

phone_1664.png

Whatsapp_37229.png

email_37624.png

icon5.png

16734ba331b26a011567b5d97d6c3812.jpeg

f24a0f77a18799023cb944dfc42a13dd.jpeg

0f060bd0926841687a71212a2a1127ed.jpeg

614e16f6eb911f140b013b35f031d708.jpeg

314db9da90de9fbe1483182482e4b5a3.jpeg