Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

sarft.spb.ru

Университет низкотемпературных и пищевых технологий

Page Load Speed

2.9 sec in total

First Response

811 ms

Resources Loaded

1.9 sec

Page Rendered

143 ms

sarft.spb.ru screenshot

About Website

Welcome to sarft.spb.ru homepage info - get ready to check Sarft Spb best content for Russia right away, or after learning these important things about sarft.spb.ru

Visit sarft.spb.ru

Key Findings

We analyzed Sarft.spb.ru page load time and found that the first response time was 811 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sarft.spb.ru performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

sarft.spb.ru

811 ms

dom.jpg

766 ms

fasad.jpg

1293 ms

aci.js

199 ms

94 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 38% of them (3 requests) were addressed to the original Sarft.spb.ru, 50% (4 requests) were made to Acint.net and 13% (1 request) were made to Ssp-rtb.sape.ru. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Sarft.spb.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.2 kB (10%)

Content Size

296.4 kB

After Optimization

267.2 kB

In fact, the total size of Sarft.spb.ru main page is 296.4 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 5% of websites need less resources to load. Images take 271.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.1 kB

  • Original 11.1 kB
  • After minification 10.9 kB
  • After compression 3.0 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 8.1 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 12.2 kB

  • Original 271.5 kB
  • After minification 259.3 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. Sarft Spb images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 8.9 kB

  • Original 13.8 kB
  • After minification 13.8 kB
  • After compression 4.9 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 8.9 kB or 64% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sarft Spb. According to our analytics all requests are already optimized.

Accessibility Review

sarft.spb.ru accessibility score

83

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.

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

Best Practices

sarft.spb.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

sarft.spb.ru SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 Sarft.spb.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 Sarft.spb.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 Sarft Spb. 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: