Tools & Wizards About Us
semanticfocus.com screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

semanticfocus.com

Semantic Focus - The Semantic Web, Semantic Web technology and computational semantics

Page Load Speed

1.1 sec in total

First Response

173 ms

Resources Loaded

565 ms

Page Rendered

334 ms

semanticfocus.com screenshot

About Website

Visit semanticfocus.com now to see the best up-to-date Semantic Focus content and also check out these interesting facts you probably never knew about semanticfocus.com

Semantic Focus is a blog and community that centers around the topic of the Semantic Web and anything to do with it. This community was created to focus the effort of reaching the Semantic Web as well...

Visit semanticfocus.com

Key Findings

We analyzed Semanticfocus.com page load time and found that the first response time was 173 ms and then it took 899 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

semanticfocus.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

semanticfocus.com

173 ms

screen.css

57 ms

behavior.js

106 ms

urchin.js

7 ms

buedalogo.png

111 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 91% of them (30 requests) were addressed to the original Semanticfocus.com, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Feeds.feedburner.com. The less responsive or slowest element that took the longest time to load (265 ms) belongs to the original domain Semanticfocus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 61.4 kB (53%)

Content Size

116.1 kB

After Optimization

54.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Semanticfocus.com main page is 116.1 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. 15% of websites need less resources to load. Images take 51.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 40.6 kB

  • Original 49.6 kB
  • After minification 44.1 kB
  • After compression 9.0 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. This page needs HTML code to be minified as it can gain 5.5 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 40.6 kB or 82% of the original size.

Image Optimization

-37%

Potential reduce by 19.0 kB

  • Original 51.7 kB
  • After minification 32.7 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, Semantic Focus needs image optimization as it can save up to 19.0 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 1.1 kB

  • Original 9.1 kB
  • After minification 9.1 kB
  • After compression 8.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.1 kB or 12% of the original size.

CSS Optimization

-11%

Potential reduce by 629 B

  • Original 5.7 kB
  • After minification 5.7 kB
  • After compression 5.1 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. Semanticfocus.com needs all CSS files to be minified and compressed as it can save up to 629 B or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (39%)

Requests Now

31

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semantic Focus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

semanticfocus.com

semanticfocus.com

173 ms

screen.css

screen.css

57 ms

behavior.js

behavior.js

106 ms

urchin.js

urchin.js

7 ms

buedalogo.png

buedalogo.png

111 ms

semanticfocus

semanticfocus

88 ms

__utm.gif

__utm.gif

4 ms

oracle_db11g.png

oracle_db11g.png

108 ms

freebase-logo.png

freebase-logo.png

106 ms

seesaw.jpg

seesaw.jpg

107 ms

headbg.png

headbg.png

55 ms

user_gray.png

user_gray.png

53 ms

key.png

key.png

106 ms

logo.png

logo.png

109 ms

bigsubscribe.png

bigsubscribe.png

107 ms

tabcontainer.png

tabcontainer.png

108 ms

search-bar-bg.png

search-bar-bg.png

109 ms

search-bar-button.png

search-bar-button.png

109 ms

middlebg.png

middlebg.png

158 ms

calendar.png

calendar.png

161 ms

book_open.png

book_open.png

159 ms

tag-01.png

tag-01.png

160 ms

tag-02.png

tag-02.png

161 ms

delicious.jpg

delicious.jpg

161 ms

reddit.gif

reddit.gif

211 ms

digg.gif

digg.gif

212 ms

comments.png

comments.png

215 ms

technorati-fav.png

technorati-fav.png

214 ms

google-reader.gif

google-reader.gif

213 ms

add.png

add.png

213 ms

foot-icon-rss.png

foot-icon-rss.png

265 ms

foot-icon-xhtml.png

foot-icon-xhtml.png

265 ms

foot-icon-css.png

foot-icon-css.png

265 ms

Accessibility Review

semanticfocus.com accessibility score

86

Accessibility Issues

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

Form elements do not have associated labels

Best Practices

semanticfocus.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

semanticfocus.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

Social Sharing Optimization

semanticfocus.com

Open Graph description is not detected on the main page of Semantic Focus. 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: