Марк Солонин - персональный сайт историка. Главная страница

Марк Солонин - персональный сайт историка. Причины разгрома Красной армии в 1941 году. История подготовительного и начального периода Великой отечественной войны. Зимняя война. Книги, статьи, коммента.

We analyzed Solonin.org page load time and found that the first response time was 184 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

solonin.org performance score

Measured Metrics

Network Requests Diagram

Our browser made a total of 67 requests to load all elements on the main page. We found that 90% of them (60 requests) were addressed to the original Solonin.org, 3% (2 requests) were made to S7.addthis.com and 3% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (672 ms) belongs to the original domain Solonin.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 413.2 kB (57%)

• HTML
• Images
• JavaScript
• CSS

In fact, the total size of Solonin.org main page is 724.8 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. 25% of websites need less resources to load. Javascripts take 473.6 kB which makes up the majority of the site volume.

Potential reduce by 63.7 kB

• Original 87.3 kB
• After minification 86.7 kB
• After compression 23.6 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 63.7 kB or 73% of the original size.

Potential reduce by 14.2 kB

• Original 125.5 kB
• After minification 111.3 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. Obviously, Solonin needs image optimization as it can save up to 14.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Potential reduce by 304.1 kB

• Original 473.6 kB
• After minification 454.6 kB
• After compression 169.5 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 304.1 kB or 64% of the original size.

Potential reduce by 31.2 kB

• Original 38.4 kB
• After minification 32.4 kB
• After compression 7.2 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. Solonin.org needs all CSS files to be minified and compressed as it can save up to 31.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (52%)

• AJAX
• Images
• JavaScript
• CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Solonin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

solonin.org accessibility score

Accessibility Issues

These are opportunities to improve the legibility of your content.

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.

No form fields have multiple labels

Image elements do not have [alt] attributes

<input type="image"> elements do not have [alt] text

Form elements do not have associated labels

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

<html> element does not have a [lang] attribute

Best Practices

solonin.org best practices score

Areas of Improvement

Trust and Safety

Does not use HTTPS

Includes front-end JavaScript libraries with known security vulnerabilities

Ensure CSP is effective against XSS attacks

Serves images with low resolution

Detected JavaScript libraries

Browser errors were logged to the console

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

solonin.org SEO score

Search Engine Optimization Advices

Crawling and Indexing

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

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Image elements do not have [alt] attributes

Language and Encoding

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Solonin.org 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 Solonin.org 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 Solonin. 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: