Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

sms4b.ru

Рассылка смс через интернет. Sms сервис отправки сообщений, платные услуги для рекламных и массовых рассылок sms

Page Load Speed

1.2 sec in total

First Response

546 ms

Resources Loaded

547 ms

Page Rendered

83 ms

sms4b.ru screenshot

About Website

Welcome to sms4b.ru homepage info - get ready to check Sms 4b best content for Russia right away, or after learning these important things about sms4b.ru

Сервис отправки sms, услуги для рекламных и массовых рассылок смс партнерам и клиентам. Рассылка смс сообщений через интернет, smsonline - sms4b от ВЦ Рарус.

Visit sms4b.ru

Key Findings

We analyzed Sms4b.ru page load time and found that the first response time was 546 ms and then it took 630 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

sms4b.ru performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

sms4b.ru

546 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Sms4b.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (546 ms) belongs to the original domain Sms4b.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 9 B (8%)

Content Size

107 B

After Optimization

98 B

In fact, the total size of Sms4b.ru main page is 107 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 107 B which makes up the majority of the site volume.

HTML Optimization

-8%

Potential reduce by 9 B

  • Original 107 B
  • After minification 107 B
  • After compression 98 B

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. This web page is already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

sms4b.ru accessibility score

79

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.

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sms4b.ru best practices score

50

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sms4b.ru SEO score

92

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

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 Sms4b.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 Sms4b.ru 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 description is not detected on the main page of Sms 4b. 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: