Tools & Wizards About Us
frama-c.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

frama-c.com

Frama-C - Framework for Modular Analysis of C programs

Page Load Speed

3.6 sec in total

First Response

274 ms

Resources Loaded

1.6 sec

Page Rendered

1.7 sec

frama-c.com screenshot

About Website

Welcome to frama-c.com homepage info - get ready to check Frama C best content for United States right away, or after learning these important things about frama-c.com

Frama-C - An open-source extensible and collaborative platform dedicated to source-code analysis of C software.

Visit frama-c.com

Key Findings

We analyzed Frama-c.com page load time and found that the first response time was 274 ms and then it took 3.3 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

frama-c.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value4.7 s

79/100

10%

Network Requests Diagram

frama-c.com

274 ms

www.frama-c.com

629 ms

main.css

87 ms

page.css

173 ms

tiles.css

254 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 61% of them (19 requests) were addressed to the original Frama-c.com, 39% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (681 ms) belongs to the original domain Frama-c.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 260.8 kB (37%)

Content Size

709.5 kB

After Optimization

448.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Frama-c.com main page is 709.5 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 461.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 75.9 kB

  • Original 94.0 kB
  • After minification 94.0 kB
  • After compression 18.1 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 75.9 kB or 81% of the original size.

Image Optimization

-17%

Potential reduce by 80.7 kB

  • Original 461.2 kB
  • After minification 380.5 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, Frama C needs image optimization as it can save up to 80.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 102.6 kB

  • Original 139.5 kB
  • After minification 139.5 kB
  • After compression 36.9 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 102.6 kB or 74% of the original size.

CSS Optimization

-11%

Potential reduce by 1.6 kB

  • Original 14.8 kB
  • After minification 14.8 kB
  • After compression 13.2 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. Frama-c.com needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (31%)

Requests Now

16

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Frama C. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

frama-c.com

frama-c.com

274 ms

www.frama-c.com

www.frama-c.com

629 ms

main.css

main.css

87 ms

page.css

page.css

173 ms

tiles.css

tiles.css

254 ms

pygments.css

pygments.css

259 ms

home.css

home.css

262 ms

swiper.css

swiper.css

264 ms

frama-c.png

frama-c.png

439 ms

gui-overview.png

gui-overview.png

455 ms

value-analysis.png

value-analysis.png

513 ms

effect-analysis.png

effect-analysis.png

429 ms

dep-analysis.png

dep-analysis.png

520 ms

impact-analysis.png

impact-analysis.png

526 ms

swiper.js

swiper.js

681 ms

main.js

main.js

522 ms

mastodon-orange.png

mastodon-orange.png

560 ms

bg-scale.jpg

bg-scale.jpg

323 ms

7Auwp_0qiz-afTLGKA.ttf

7Auwp_0qiz-afTLGKA.ttf

69 ms

7Au_p_0qiz-adZnkOCX2yg.ttf

7Au_p_0qiz-adZnkOCX2yg.ttf

124 ms

7Au_p_0qiz-ade3iOCX2yg.ttf

7Au_p_0qiz-ade3iOCX2yg.ttf

152 ms

7Au_p_0qiz-adYnjOCX2yg.ttf

7Au_p_0qiz-adYnjOCX2yg.ttf

154 ms

7Au_p_0qiz-adZXgOCX2yg.ttf

7Au_p_0qiz-adZXgOCX2yg.ttf

153 ms

7Au_p_0qiz-adbHhOCX2yg.ttf

7Au_p_0qiz-adbHhOCX2yg.ttf

153 ms

icomoon.woff

icomoon.woff

198 ms

7Au-p_0qiz-afTf2LwLW.ttf

7Au-p_0qiz-afTf2LwLW.ttf

188 ms

7Au9p_0qiz-afTf-hCDGzWQN.ttf

7Au9p_0qiz-afTf-hCDGzWQN.ttf

187 ms

7Au9p_0qiz-afTf-8CbGzWQN.ttf

7Au9p_0qiz-afTf-8CbGzWQN.ttf

188 ms

7Au9p_0qiz-afTf-lCfGzWQN.ttf

7Au9p_0qiz-afTf-lCfGzWQN.ttf

188 ms

7Au9p_0qiz-afTf-iCTGzWQN.ttf

7Au9p_0qiz-afTf-iCTGzWQN.ttf

189 ms

7Au9p_0qiz-afTf-rCXGzWQN.ttf

7Au9p_0qiz-afTf-rCXGzWQN.ttf

196 ms

Accessibility Review

frama-c.com accessibility score

79

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

High

Links do not have a discernible name

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

frama-c.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

frama-c.com SEO score

83

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    EN

  • Encoding

    UTF-8

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

frama-c.com

Open Graph description is not detected on the main page of Frama C. 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: