Report Summary

  • 24

    Performance

    Renders faster than
    44% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 89

    SEO

    Google-friendlier than
    72% of websites

biomolecula.ru

«Биомолекула»

Page Load Speed

33.3 sec in total

First Response

13.9 sec

Resources Loaded

19.1 sec

Page Rendered

392 ms

biomolecula.ru screenshot

About Website

Click here to check amazing Biomolecula content for Russia. Otherwise, check out these important facts you probably never knew about biomolecula.ru

Сетевое информационное издание о современной биологии

Visit biomolecula.ru

Key Findings

We analyzed Biomolecula.ru page load time and found that the first response time was 13.9 sec and then it took 19.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

biomolecula.ru performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

biomolecula.ru

13887 ms

main.css

332 ms

bb.css

335 ms

css

104 ms

openapi.js

492 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 33% of them (28 requests) were addressed to the original Biomolecula.ru, 12% (10 requests) were made to Vk.com and 10% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (13.9 sec) belongs to the original domain Biomolecula.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 647.2 kB (48%)

Content Size

1.3 MB

After Optimization

695.5 kB

In fact, the total size of Biomolecula.ru main page is 1.3 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. 55% of websites need less resources to load. Javascripts take 706.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 101.0 kB

  • Original 145.4 kB
  • After minification 145.2 kB
  • After compression 44.4 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 101.0 kB or 69% of the original size.

Image Optimization

-4%

Potential reduce by 15.7 kB

  • Original 436.2 kB
  • After minification 420.5 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. Biomolecula images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 486.5 kB

  • Original 706.2 kB
  • After minification 645.1 kB
  • After compression 219.7 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 486.5 kB or 69% of the original size.

CSS Optimization

-80%

Potential reduce by 44.1 kB

  • Original 54.9 kB
  • After minification 44.9 kB
  • After compression 10.9 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. Biomolecula.ru needs all CSS files to be minified and compressed as it can save up to 44.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (61%)

Requests Now

79

After Optimization

31

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biomolecula. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

biomolecula.ru accessibility score

86

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

biomolecula.ru best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the notification permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

biomolecula.ru SEO score

89

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biomolecula.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Biomolecula.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 Biomolecula. 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: