4.8 sec in total
299 ms
4.2 sec
321 ms
Click here to check amazing CLESTRA content for France. Otherwise, check out these important facts you probably never knew about clestra.com
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Visit clestra.comWe analyzed Clestra.com page load time and found that the first response time was 299 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
clestra.com performance score
name
value
score
weighting
Value6.8 s
2/100
10%
Value9.8 s
0/100
25%
Value9.0 s
14/100
10%
Value250 ms
84/100
30%
Value0.019
100/100
15%
Value15.5 s
7/100
10%
299 ms
136 ms
97 ms
177 ms
190 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 58% of them (53 requests) were addressed to the original Clestra.com, 4% (4 requests) were made to Cm.g.doubleclick.net and 4% (4 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Clestra.com.
Page size can be reduced by 1.5 MB (35%)
4.4 MB
2.8 MB
In fact, the total size of Clestra.com main page is 4.4 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. 65% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.
Potential reduce by 70.7 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 70.7 kB or 83% of the original size.
Potential reduce by 64.5 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. CLESTRA images are well optimized though.
Potential reduce by 1.1 MB
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 MB or 80% of the original size.
Potential reduce by 311.0 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. Clestra.com needs all CSS files to be minified and compressed as it can save up to 311.0 kB or 83% of the original size.
Number of requests can be reduced by 40 (48%)
83
43
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CLESTRA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
clestra.com
299 ms
en
136 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
97 ms
css_5pO73qc-z-zv4xoH8aIAp_Prq1thKg1qz9beR7eKaZg.css
177 ms
css_C0Mb7Tyhp3w9MCOevcLRCyzaS-yR5eF10sv4_vQnaII.css
190 ms
css_Dw79S39ok6dRjGpYfPU64q709vZKcTFG7McXqxCikdc.css
658 ms
css_xVtK1yt4LTDK5d-Isuk9VxxIn7tJh8piJLtU69Vwpz0.css
469 ms
js_OPXG52aF6EhlgMJ0E3fSFX5m4lbkUBlqevjw0YiDCEE.js
480 ms
js_fuBsxHgswYyDq9VqxsK-ixr7Z3Wfx_sF2cxA5QTaLbY.js
191 ms
js_KjxB6Wbd_frFkgCVoLhZzfrZO3rXD1MrjvtpNMCNJfg.js
271 ms
js_oy33vCU5WWq4t9T6KXJnnV8oHEUMWJZY2rfWmU51oK4.js
1220 ms
buttons.js
22 ms
all.js
19 ms
platform.js
52 ms
analytics.js
5 ms
collect
13 ms
collect
49 ms
ga-audiences
36 ms
logo.png
310 ms
menu.png
303 ms
sharethis.png
308 ms
menuicon.png
309 ms
preloader_white.gif
322 ms
neue-borsenstrasse-frankfurt_de_synops_01.jpg
415 ms
past-november01.jpg
584 ms
fb.png
304 ms
in.png
302 ms
you.png
302 ms
go.png
396 ms
pn.png
396 ms
cancel.png
397 ms
frutiger_ce_56_italic_0-webfont.woff
472 ms
frutiger_ce_45_light-webfont.woff
493 ms
frutiger.woff
775 ms
fontawesome-webfont.woff
768 ms
294 ms
cb=gapi.loaded_0
70 ms
ping
160 ms
getAllAppDefault.esi
126 ms
slider-connected.jpg
671 ms
slideshow1.jpg
569 ms
slider-global.jpg
395 ms
slideshow2.jpg
582 ms
slider-trust.jpg
583 ms
slideshow3.jpg
862 ms
slider-innovation.jpg
862 ms
slideshow4.jpg
829 ms
slider-service.jpg
864 ms
slideshow7.jpg
678 ms
mipim-uk.jpg
764 ms
usine2.jpg
773 ms
usine3.jpg
859 ms
usine4.jpg
867 ms
usine5.jpg
915 ms
clestrabox_0.jpg
953 ms
performance3.jpg
955 ms
menu_icon_780.jpg
954 ms
menu_icon_697.jpg
958 ms
loading_402x.gif
959 ms
arrow_left1.png
1001 ms
arrow_right1.png
1045 ms
xd_arbiter.php
44 ms
xd_arbiter.php
57 ms
postmessageRelay
47 ms
3193398744-postmessagerelay.js
20 ms
rpc:shindig_random.js
34 ms
getSegment.php
16 ms
checkOAuth.esi
29 ms
cb=gapi.loaded_0
5 ms
t.dhj
17 ms
t.dhj
21 ms
auth
69 ms
pixel
27 ms
s-3271.xgi
19 ms
16 ms
hbpix
28 ms
5 ms
xrefid.xgi
6 ms
pixel
18 ms
2637085964-postmessage.js
2 ms
pixel
28 ms
cm
10 ms
pixel
16 ms
2981
36 ms
css_6UUbDyUScisDhoCx6MvAAbSPD8yyiwDO0RigRndn2kA.css
96 ms
arrow_left.png
97 ms
arrow_right.png
95 ms
index.2d85e55d89f85ae69e4f2ca5ab9438b7.html
14 ms
buttons.ab966a004186897711de4a5ed256c924.css
9 ms
stcommon.2b05accc08f1ee42fe1983647ab923ea.js
2 ms
st.1188278743c14064d5e8ae56c8ada29c.js
4 ms
clestra.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
clestra.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
clestra.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
FR
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Clestra.com can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it does not match the claimed English language. Our system also found out that Clestra.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.
clestra.com
Open Graph description is not detected on the main page of CLESTRA. 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: