Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

blog.davidchelimsky.net

David Chelimsky

Page Load Speed

3.5 sec in total

First Response

71 ms

Resources Loaded

530 ms

Page Rendered

2.9 sec

blog.davidchelimsky.net screenshot

About Website

Click here to check amazing Blog David Chelimsky content for United States. Otherwise, check out these important facts you probably never knew about blog.davidchelimsky.net

TL;DR Myron Marston is taking over leadership of the RSpec project, and will be the lead maintainer of the rspec-core, rspec-expectations, and rspec- …

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Key Findings

We analyzed Blog.davidchelimsky.net page load time and found that the first response time was 71 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

blog.davidchelimsky.net performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

blog.davidchelimsky.net

71 ms

screen.css

51 ms

modernizr-2.0.js

27 ms

jquery.min.js

5 ms

octopress.js

21 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 32% of them (8 requests) were addressed to the original Blog.davidchelimsky.net, 24% (6 requests) were made to Fonts.gstatic.com and 8% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (166 ms) relates to the external source Davidchelimskysblog.disqus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.8 kB (59%)

Content Size

147.6 kB

After Optimization

60.8 kB

In fact, the total size of Blog.davidchelimsky.net main page is 147.6 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. 50% of websites need less resources to load. HTML takes 70.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 54.1 kB

  • Original 70.9 kB
  • After minification 68.9 kB
  • After compression 16.8 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 54.1 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 142 B

  • Original 19.1 kB
  • After minification 19.0 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. Blog David Chelimsky images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 682 B

  • Original 18.7 kB
  • After minification 18.7 kB
  • After compression 18.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-82%

Potential reduce by 31.9 kB

  • Original 38.9 kB
  • After minification 38.6 kB
  • After compression 7.0 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.davidchelimsky.net needs all CSS files to be minified and compressed as it can save up to 31.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (44%)

Requests Now

18

After Optimization

10

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog David Chelimsky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

blog.davidchelimsky.net accessibility score

82

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

blog.davidchelimsky.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

blog.davidchelimsky.net SEO score

98

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blog.davidchelimsky.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Blog.davidchelimsky.net 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 Blog David Chelimsky. 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: