Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

prosto.aero

Дешевые авиабилеты от крупнейших авиакомпаний и агентств - Prosto.aero. Авиабилеты дешево это Prosto aero

Page Load Speed

10.2 sec in total

First Response

918 ms

Resources Loaded

8.1 sec

Page Rendered

1.2 sec

About Website

Click here to check amazing Prosto content for Russia. Otherwise, check out these important facts you probably never knew about prosto.aero

Сэкономьте до 30% средств на покупке авиабилетов без наценок на Prosto.aero. Авиабилеты дешево с Просто аэро.

Visit prosto.aero

Key Findings

We analyzed Prosto.aero page load time and found that the first response time was 918 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

prosto.aero performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value1,360 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.364

29/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

prosto.aero

918 ms

prosto.aero

1615 ms

index.php

617 ms

index.php

1217 ms

index.php

1230 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 75% of them (66 requests) were addressed to the original Prosto.aero, 7% (6 requests) were made to Youtube.com and 6% (5 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Prosto.aero.

Page Optimization Overview & Recommendations

Page size can be reduced by 471.0 kB (5%)

Content Size

9.6 MB

After Optimization

9.1 MB

In fact, the total size of Prosto.aero main page is 9.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 9.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 58.6 kB

  • Original 71.8 kB
  • After minification 59.5 kB
  • After compression 13.2 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 12.2 kB, which is 17% 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 58.6 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 405.3 kB

  • Original 9.2 MB
  • After minification 8.8 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. Prosto images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 6.7 kB

  • Original 184.9 kB
  • After minification 184.9 kB
  • After compression 178.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 492 B

  • Original 78.7 kB
  • After minification 78.7 kB
  • After compression 78.2 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. Prosto.aero has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (25%)

Requests Now

79

After Optimization

59

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prosto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

prosto.aero accessibility score

60

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

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.

Impact

Issue

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

Tables and lists

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

Impact

Issue

High

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

prosto.aero best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

prosto.aero SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prosto.aero 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 Prosto.aero main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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