5.9 sec in total
1.5 sec
3.5 sec
905 ms
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Blog by Ondrej Svacina
Visit blog.ondrejsv.comWe analyzed Blog.ondrejsv.com page load time and found that the first response time was 1.5 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
blog.ondrejsv.com performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value3.3 s
68/100
25%
Value4.0 s
80/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value3.2 s
95/100
10%
1488 ms
559 ms
211 ms
329 ms
317 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 79% of them (73 requests) were addressed to the original Blog.ondrejsv.com, 5% (5 requests) were made to Pagead2.googlesyndication.com and 4% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Blog.ondrejsv.com.
Page size can be reduced by 120.3 kB (42%)
287.0 kB
166.6 kB
In fact, the total size of Blog.ondrejsv.com main page is 287.0 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. 40% of websites need less resources to load. Images take 139.3 kB which makes up the majority of the site volume.
Potential reduce by 50.1 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 50.1 kB or 80% of the original size.
Potential reduce by 36.4 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, Blog Ondrej Sv needs image optimization as it can save up to 36.4 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 26.2 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 26.2 kB or 34% of the original size.
Potential reduce by 7.6 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. Blog.ondrejsv.com needs all CSS files to be minified and compressed as it can save up to 7.6 kB or 83% of the original size.
Number of requests can be reduced by 31 (34%)
90
59
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Ondrej Sv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
blog.ondrejsv.com
1488 ms
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559 ms
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211 ms
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shCore.css
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shThemeDefault.css
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shCore.js
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shBrushCSharp.js
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shBrushJScript.js
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shBrushPlain.js
539 ms
shBrushSql.js
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shBrushVb.js
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shBrushXml.js
613 ms
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show_ads.js
5 ms
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476 ms
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ga.js
7 ms
__utm.gif
11 ms
ir
20 ms
bigRssButton.png
110 ms
twitter_28.png
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ASPNETMVCInAction.jpg
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TheArtOfUnitTesting.jpg
178 ms
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176 ms
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zrt_lookup.html
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googlelogo_color_112x36dp.png
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x_button_blue2.png
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fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
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new_bridge_ba_transparent.png
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activeview
13 ms
star_small.gif
105 ms
ui
34 ms
blog.ondrejsv.com 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
blog.ondrejsv.com 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
blog.ondrejsv.com SEO score
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blog.ondrejsv.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Blog.ondrejsv.com 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.
blog.ondrejsv.com
Open Graph description is not detected on the main page of Blog Ondrej Sv. 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: