Access edustaff.ru. Корпоративный английский язык в Спб, Москве и онлайн

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value20.5 s

0/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value29.3 s

0/100

10%

edustaff.ru

514 ms

edustaff.ru

1098 ms

bootstrap.css

464 ms

font-awesome.css

455 ms

core.css

342 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 94% of them (79 requests) were addressed to the original Edustaff.ru, 2% (2 requests) were made to Bitrix.info and 1% (1 request) were made to Iqschool.ru. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Edustaff.ru.

Content Size

5.9 MB

After Optimization

4.0 MB

In fact, the total size of Edustaff.ru main page is 5.9 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. 60% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 142.8 kB

Original 163.4 kB
After minification 93.9 kB
After compression 20.6 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 69.5 kB, which is 43% 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 142.8 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 71.2 kB

Original 3.7 MB
After minification 3.7 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. Edustaff images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 800.5 kB

Original 1.0 MB
After minification 841.0 kB
After compression 217.3 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 800.5 kB or 79% of the original size.

CSS Optimization

-93%

Potential reduce by 899.2 kB

Original 963.9 kB
After minification 358.0 kB
After compression 64.7 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. Edustaff.ru needs all CSS files to be minified and compressed as it can save up to 899.2 kB or 93% of the original size.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edustaff. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 16 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

button, link, and menuitem elements do not have accessible names.

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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

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

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

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Page has valid source maps

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

Language and Encoding

Language Detected

RU
Language Claimed

RU
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edustaff.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Edustaff.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

edustaff.ru

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

Корпоративный английский язык в Спб, Москве и онлайн

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

edustaff.ru

edustaff.ru

bootstrap.css

font-awesome.css

core.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

edustaff.ru

edustaff.ru

bootstrap.css

font-awesome.css

core.css

style.css

style.css

style.css

style.css

fontawesome.css

jquery.formstyler.css

slick.css

owl.carousel.css

swiper.min.css

jquery.fancybox.min.css

style.css

styles.css

template_styles.css

logo.png

7ba177e28a210725e2d80752e5e9f274.jpg

core.js

core_promise.js

promise.js

loadext.js

extension.js

core_ajax.js

jquery.min.js

bootstrap.min.js

swiper.min.js

classie.js

owl.carousel.js

jquery.fancybox.js

jquery.formstyler.min.js

jquery.maskedinput.min.js

slick.js

sourcebuster.min.js

script.js

iq.js

script.js

script.js

script.js

e11c80b12f6bf1786a41812018d5c79e.jpg

a78871e2026c370832c18c28dfc604fb.jpg