Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

jnlog.com

Jean NO?L - Docteur-Ing?nieur freelance en informatique scientifique

Page Load Speed

1.1 sec in total

First Response

374 ms

Resources Loaded

664 ms

Page Rendered

72 ms

jnlog.com screenshot

About Website

Welcome to jnlog.com homepage info - get ready to check Jnlog best content right away, or after learning these important things about jnlog.com

CV d'un freelance en informatique scientifique - Logiciels gratuits pour la thermique du b?timent

Visit jnlog.com

Key Findings

We analyzed Jnlog.com page load time and found that the first response time was 374 ms and then it took 736 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

jnlog.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

jnlog.com

374 ms

logo-jnlog.gif

237 ms

c_green.gif

263 ms

c_white.gif

264 ms

t_green.gif

267 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Jnlog.com and no external sources were called. The less responsive or slowest element that took the longest time to load (374 ms) belongs to the original domain Jnlog.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 kB (69%)

Content Size

5.3 kB

After Optimization

1.6 kB

In fact, the total size of Jnlog.com main page is 5.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 5.3 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 3.7 kB

  • Original 5.3 kB
  • After minification 5.2 kB
  • After compression 1.6 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 3.7 kB or 69% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jnlog. According to our analytics all requests are already optimized.

Accessibility Review

jnlog.com accessibility score

72

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

jnlog.com best practices score

83

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

SEO Factors

jnlog.com SEO score

67

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-4

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jnlog.com can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Jnlog.com main page’s claimed encoding is utf-4. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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