1.2 sec in total
546 ms
547 ms
83 ms
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.ruWe 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.
sms4b.ru performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value6.8 s
7/100
25%
Value6.6 s
37/100
10%
Value500 ms
58/100
30%
Value0.017
100/100
15%
Value10.2 s
25/100
10%
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 size can be reduced by 9 B (8%)
107 B
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.
Potential reduce by 9 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.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
sms4b.ru
546 ms
sms4b.ru accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<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
Form elements do not have associated labels
Links do not have a discernible name
sms4b.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
sms4b.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
RU
N/A
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.
sms4b.ru
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: