Tools & Wizards About Us
optique-dalby.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

optique-dalby.com

Opticien Nantes - magasin optique - Lunettes astronomiques nantes

Page Load Speed

2.2 sec in total

First Response

549 ms

Resources Loaded

1.4 sec

Page Rendered

234 ms

optique-dalby.com screenshot

About Website

Visit optique-dalby.com now to see the best up-to-date Optique Dalby content and also check out these interesting facts you probably never knew about optique-dalby.com

Opticien Nantes, magasin optique nantes, Lunettes astronomiques: Optique Dalby, opticien à Nantes près de Beaujoire et du centre ville, le magasin de lunettes est spécialisé en optique et aussi en ast...

Visit optique-dalby.com

Key Findings

We analyzed Optique-dalby.com page load time and found that the first response time was 549 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

optique-dalby.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

optique-dalby.com

549 ms

styles.css

114 ms

smartphone.css

192 ms

logo.png

221 ms

accueil_optique.png

233 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to Optique-dalby.com and no external sources were called. The less responsive or slowest element that took the longest time to load (628 ms) belongs to the original domain Optique-dalby.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.8 kB (7%)

Content Size

232.7 kB

After Optimization

215.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Optique-dalby.com main page is 232.7 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. Only 10% of websites need less resources to load. Images take 218.4 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 2.5 kB

  • Original 3.8 kB
  • After minification 3.4 kB
  • After compression 1.3 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 434 B, 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 2.5 kB or 66% of the original size.

Image Optimization

-3%

Potential reduce by 6.0 kB

  • Original 218.4 kB
  • After minification 212.4 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. Optique Dalby images are well optimized though.

CSS Optimization

-79%

Potential reduce by 8.2 kB

  • Original 10.4 kB
  • After minification 7.3 kB
  • After compression 2.2 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. Optique-dalby.com needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optique Dalby. According to our analytics all requests are already optimized.

Network Requests Diagram

optique-dalby.com

optique-dalby.com

549 ms

styles.css

styles.css

114 ms

smartphone.css

smartphone.css

192 ms

logo.png

logo.png

221 ms

accueil_optique.png

accueil_optique.png

233 ms

accueil_astronomie.png

accueil_astronomie.png

239 ms

logo-aerial-conseil.png

logo-aerial-conseil.png

266 ms

bg_global.png

bg_global.png

99 ms

accueil.jpg

accueil.jpg

628 ms

Accessibility Review

optique-dalby.com accessibility score

96

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.

Best Practices

optique-dalby.com best practices score

75

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

High

Browser errors were logged to the console

SEO Factors

optique-dalby.com 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

    FR

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optique-dalby.com can be misinterpreted by Google and other search engines. Our service has detected that French 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 Optique-dalby.com main page’s claimed encoding is . 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

optique-dalby.com

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