Access baltica-college.ru. частная школа «Балтика-колледж» Санкт-Петербург

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value19.0 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value3,010 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.155

74/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

baltica-college.ru

687 ms

www.baltica-college.ru

899 ms

k2.css

130 ms

jcemediabox.css

249 ms

style.css

259 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 74% of them (92 requests) were addressed to the original Baltica-college.ru, 8% (10 requests) were made to W.uptolike.com and 4% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Baltica-college.ru.

Content Size

3.8 MB

After Optimization

2.6 MB

In fact, the total size of Baltica-college.ru main page is 3.8 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. 65% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 149.9 kB

Original 179.0 kB
After minification 170.0 kB
After compression 29.1 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 149.9 kB or 84% of the original size.

Image Optimization

-15%

Potential reduce by 398.0 kB

Original 2.7 MB
After minification 2.3 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. Obviously, Baltica College needs image optimization as it can save up to 398.0 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 401.9 kB

Original 606.4 kB
After minification 602.4 kB
After compression 204.5 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 401.9 kB or 66% of the original size.

CSS Optimization

-87%

Potential reduce by 294.7 kB

Original 337.5 kB
After minification 260.0 kB
After compression 42.8 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. Baltica-college.ru needs all CSS files to be minified and compressed as it can save up to 294.7 kB or 87% of the original size.

Requests Now

118

After Optimization

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Baltica College. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 12 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 input fields do not have accessible names

High

ARIA toggle fields 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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

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

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Baltica-college.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Baltica-college.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

baltica-college.ru

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

частная школа «Балтика-колледж» Санкт-Петербург | частные школы СПб

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

baltica-college.ru

www.baltica-college.ru

k2.css

jcemediabox.css

style.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

baltica-college.ru

www.baltica-college.ru

k2.css

jcemediabox.css

style.css

widgetkit-62ff8b9c.css

mootools-core.js

core.js

jquery.min.js

jquery-noconflict.js

k2.js

caption.js

jcemediabox.js

widgetkit-db4af9a6.js

bootstrap.min.js

template.js

material-design-iconic-font.min.css

animate.min.css

slider.js

classie.js

gnmenu.js

lightbox.js

mediaelement-and-player.js

spotlight.js

template.css

bg.jpg

bg_top.jpg

pero.png

menu-icon.png

teacher_07.jpg

teacher_08.jpg

teacher_01.jpg

teacher_30.jpg

teacher_09.jpg

teacher_10.jpg

teacher_03.jpg

teacher_11.jpg

teacher_12.jpg

teacher_04.jpg

teacher_05.jpg

teacher_06.jpg

teacher_13.jpg

teacher_14.jpg