Access onlinesem.ru. Продуктовое агентство OnlineSem - продуктовый подход для брендов и стартапов

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value2,300 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

onlinesem.ru

682 ms

webfont.js

22 ms

style.min.css

257 ms

styles.css

253 ms

rs6.css

270 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 85% of them (70 requests) were addressed to the original Onlinesem.ru, 11% (9 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Onlinesem.ru.

Content Size

1.3 MB

After Optimization

731.5 kB

In fact, the total size of Onlinesem.ru main page is 1.3 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 627.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 134.4 kB

Original 160.0 kB
After minification 158.0 kB
After compression 25.6 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. 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 134.4 kB or 84% of the original size.

Image Optimization

-12%

Potential reduce by 76.3 kB

Original 627.4 kB
After minification 551.1 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, Online Sem needs image optimization as it can save up to 76.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 456 B

Original 6.8 kB
After minification 6.8 kB
After compression 6.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-68%

Potential reduce by 315.1 kB

Original 463.6 kB
After minification 463.0 kB
After compression 148.5 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. Onlinesem.ru needs all CSS files to be minified and compressed as it can save up to 315.1 kB or 68% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Sem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 13 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Low

Detected JavaScript libraries

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 Onlinesem.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 Onlinesem.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

onlinesem.ru

Open Graph data is detected on the main page of Online Sem. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Продуктовое агентство OnlineSem - продуктовый подход для брендов и стартапов

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

onlinesem.ru

webfont.js

style.min.css

styles.css

rs6.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

onlinesem.ru

webfont.js

style.min.css

styles.css

rs6.css

style.css

style.css

flaticon.css

v4-shims.min.css

all.min.css

main.min.css

js_composer.min.css

jquery.js

jquery-migrate.min.js

revolution.tools.min.js

rs6.min.js

css

css

js_composer_tta.min.css

scripts.js

theme-addons.min.js

theme.js

wp-embed.min.js

particles.min.js

js_composer_front.min.js

jquery.paroller.min.js

jquery.appear.js

slick.min.js

vc-accordion.min.js

vc-tta-autoplay.min.js

vc-tabs.min.js

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