Tools & Wizards About Us
jasonbos.co screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

jasonbos.co

Jason Bosco

Page Load Speed

2.1 sec in total

First Response

59 ms

Resources Loaded

398 ms

Page Rendered

1.6 sec

jasonbos.co screenshot

About Website

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Key Findings

We analyzed Jasonbos.co page load time and found that the first response time was 59 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

jasonbos.co performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.039

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

jasonbos.co

59 ms

screen.css

8 ms

modernizr-2.0.js

15 ms

jquery.min.js

12 ms

octopress.js

35 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 64% of them (18 requests) were addressed to the original Jasonbos.co, 7% (2 requests) were made to Fonts.googleapis.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (269 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.5 kB (13%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jasonbos.co main page is 1.6 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. 60% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 27.7 kB

  • Original 36.8 kB
  • After minification 34.8 kB
  • After compression 9.2 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 27.7 kB or 75% of the original size.

Image Optimization

-9%

Potential reduce by 145.8 kB

  • Original 1.5 MB
  • After minification 1.4 MB

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. Jason Bos images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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 32.0 kB

  • Original 38.9 kB
  • After minification 38.6 kB
  • After compression 6.9 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. Jasonbos.co needs all CSS files to be minified and compressed as it can save up to 32.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (37%)

Requests Now

27

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jason Bos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jasonbos.co

jasonbos.co

59 ms

screen.css

screen.css

8 ms

modernizr-2.0.js

modernizr-2.0.js

15 ms

jquery.min.js

jquery.min.js

12 ms

octopress.js

octopress.js

35 ms

css

css

36 ms

css

css

38 ms

github.js

github.js

10 ms

Screen_Shot_2013-04-11_at_12.47.58_AM.png

Screen_Shot_2013-04-11_at_12.47.58_AM.png

32 ms

Screen_Shot_2012-09-10_at_12.06.29_AM.png

Screen_Shot_2012-09-10_at_12.06.29_AM.png

106 ms

Screen_Shot_2012-08-15_at_8.04.27_PM.png

Screen_Shot_2012-08-15_at_8.04.27_PM.png

111 ms

Screen_Shot_2012-08-15_at_8.07.24_PM.png

Screen_Shot_2012-08-15_at_8.07.24_PM.png

29 ms

Screen_Shot_2012-08-15_at_8.14.22_PM.png

Screen_Shot_2012-08-15_at_8.14.22_PM.png

30 ms

Screen_Shot_2012-07-26_at_10.21.45_AM.png

Screen_Shot_2012-07-26_at_10.21.45_AM.png

109 ms

Screen_Shot_2012-05-02_at_8.56.46_PM.png

Screen_Shot_2012-05-02_at_8.56.46_PM.png

33 ms

Screen_Shot_2012-05-02_at_8.56.46_PM_2.png

Screen_Shot_2012-05-02_at_8.56.46_PM_2.png

108 ms

Scribble_featured_on_chrome_web_store.png

Scribble_featured_on_chrome_web_store.png

159 ms

line-tile.png

line-tile.png

105 ms

ga.js

ga.js

71 ms

all.js

all.js

269 ms

plusone.js

plusone.js

105 ms

widgets.js

widgets.js

168 ms

jXHR.js

jXHR.js

40 ms

repos

repos

122 ms

noise.png

noise.png

35 ms

rss.png

rss.png

35 ms

__utm.gif

__utm.gif

25 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

6 ms

Accessibility Review

jasonbos.co accessibility score

74

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

Image elements do not have [alt] attributes

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

jasonbos.co 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

jasonbos.co SEO score

69

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

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 Jasonbos.co 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 Jasonbos.co 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

jasonbos.co

Open Graph description is not detected on the main page of Jason Bos. 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: