Access sirena-travel.ru.

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.239

52/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

sirena-travel.ru

398 ms

sirena-travel.ru

475 ms

jsrsasign-all-min.js

43 ms

fp.js

43 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 50% of them (2 requests) were addressed to the original Sirena-travel.ru, 25% (1 request) were made to Cdnjs.cloudflare.com and 25% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (475 ms) belongs to the original domain Sirena-travel.ru.

Content Size

999.3 kB

After Optimization

279.9 kB

In fact, the total size of Sirena-travel.ru main page is 999.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Javascripts take 696.4 kB which makes up the majority of the site volume.

HTML Optimization

-38%

Potential reduce by 9.7 kB

Original 25.3 kB
After minification 25.3 kB
After compression 15.6 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 9.7 kB or 38% of the original size.

Image Optimization

-44%

Potential reduce by 34.8 kB

Original 79.5 kB
After minification 44.7 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, Sirena Travel needs image optimization as it can save up to 34.8 kB or 44% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 502.2 kB

Original 696.4 kB
After minification 652.2 kB
After compression 194.2 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 502.2 kB or 72% of the original size.

CSS Optimization

-87%

Potential reduce by 172.7 kB

Original 198.1 kB
After minification 147.6 kB
After compression 25.4 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. Sirena-travel.ru needs all CSS files to be minified and compressed as it can save up to 172.7 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sirena Travel. According to our analytics all requests are already optimized.

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-*] attributes do not match their roles

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

RU
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sirena-travel.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sirena-travel.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

Open Graph description is not detected on the main page of Sirena Travel. 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: