Tools & Wizards About Us

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

iznedr.ru

IzNedr.ru: Из недр Земли - Библиотека о ювелирном деле, металлах, камнях и минералах

Page Load Speed

9.8 sec in total

First Response

2.7 sec

Resources Loaded

6.7 sec

Page Rendered

480 ms

About Website

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

Статьи и книги по обработке чудесных даров Земли; интересные факты о геологическом строении нашей планеты; рассказы геологов об образовании, поисках и добыче природных материалов для ювелирой обработк...

Visit iznedr.ru

Key Findings

We analyzed Iznedr.ru page load time and found that the first response time was 2.7 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

iznedr.ru performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value2,940 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.399

25/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

Network Requests Diagram

iznedr.ru

2653 ms

maincss.css

252 ms

adsbygoogle.js

108 ms

logo3.jpg

376 ms

pic4.gif

272 ms

Our browser made a total of 206 requests to load all elements on the main page. We found that 17% of them (35 requests) were addressed to the original Iznedr.ru, 13% (27 requests) were made to Cm.g.doubleclick.net and 6% (12 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Iznedr.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 888.9 kB (43%)

Content Size

2.1 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iznedr.ru main page is 2.1 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. 65% of websites need less resources to load. Javascripts take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 87.1 kB

  • Original 110.9 kB
  • After minification 109.3 kB
  • After compression 23.8 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 87.1 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 13.1 kB

  • Original 442.2 kB
  • After minification 429.2 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. Iz Nedr images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 782.7 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 725.7 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 782.7 kB or 52% of the original size.

CSS Optimization

-44%

Potential reduce by 6.0 kB

  • Original 13.7 kB
  • After minification 13.2 kB
  • After compression 7.7 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. Iznedr.ru needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 94 (52%)

Requests Now

182

After Optimization

88

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 182 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iz Nedr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

iznedr.ru accessibility score

75

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

Form elements do not have associated labels

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

Best Practices

iznedr.ru best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

iznedr.ru SEO score

86

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iznedr.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 Iznedr.ru main page’s claimed encoding is windows-1251. 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 Iz Nedr. 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: