4.4 sec in total
503 ms
3.6 sec
254 ms
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Visit ista.frWe analyzed Ista.fr page load time and found that the first response time was 503 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
ista.fr performance score
name
value
score
weighting
Value3.5 s
36/100
10%
Value14.4 s
0/100
25%
Value6.1 s
44/100
10%
Value1,240 ms
19/100
30%
Value0.88
3/100
15%
Value8.1 s
41/100
10%
503 ms
324 ms
407 ms
406 ms
594 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ista.fr, 95% (40 requests) were made to Ista.com and 2% (1 request) were made to Piwik.ista.de. The less responsive or slowest element that took the longest time to load (887 ms) relates to the external source Ista.com.
Page size can be reduced by 884.1 kB (57%)
1.6 MB
678.2 kB
In fact, the total size of Ista.fr main page is 1.6 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. 30% of websites need less resources to load. Javascripts take 748.3 kB which makes up the majority of the site volume.
Potential reduce by 38.5 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 38.5 kB or 83% of the original size.
Potential reduce by 13.0 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. Ista images are well optimized though.
Potential reduce by 585.0 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 585.0 kB or 78% of the original size.
Potential reduce by 247.6 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. Ista.fr needs all CSS files to be minified and compressed as it can save up to 247.6 kB or 89% of the original size.
Number of requests can be reduced by 6 (17%)
36
30
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ista. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
ista.fr
503 ms
fr
324 ms
407 ms
merged-2c54c9c8a31d457d113b68e3c717a1cc.css
406 ms
merged-06683c89190b52dbdf38c3d3acff6f6a.js
594 ms
merged-a8417086b49da4702b539bd425708e71.js
495 ms
merged-af1ccb11ef55586bcd1c861303c65ca5.js
887 ms
jquery-ui.core.min.js
296 ms
jquery-ui.autocomplete.min.js
300 ms
suggest.js
395 ms
nutzerrolle_hausverwalter.jpg
205 ms
nutzerrolle_hausbesitzer.jpg
105 ms
nutzerrolle_mieter.jpg
422 ms
nutzerrolle_fachhandwerker.jpg
424 ms
nutzerrolle_architekt.jpg
201 ms
csm_man_working_f14cb4ea48.jpg
205 ms
logo.png
421 ms
csm_heatcostallocator_doprimo_ready_c06d055a51.jpg
422 ms
csm_watermeter_domaqua_m_f4b2701524.jpg
422 ms
csm_Reduire_facture_chauffage_72dpi_504e36cd39.jpg
423 ms
csm_Reduction_de_ses_consommations_eau_chauffage_b0356e4e5b.jpg
425 ms
csm_Mesure_consommation_RT2012_72dpi_8c9805d82b.jpg
423 ms
170x240_icon_ista_law.gif
424 ms
170x240_icon_ista_faq.gif
423 ms
csm_570x186_icon_ista_company_94bde94c7c.gif
424 ms
csm_570x186_icon_ista_solutions_4e39a47798.gif
467 ms
csm_570x186_icon_ista_information_62b6bf7413.gif
498 ms
logo_white.png
499 ms
social_blogger.png
500 ms
social_viadeo.png
501 ms
social_youtube.png
502 ms
bg_border-submenu.png
540 ms
bg_header.gif
577 ms
icomoon.ttf
577 ms
fade-out.png
559 ms
bullet.png
560 ms
TheSans_LP_7_.woff
850 ms
piwik.js
713 ms
TheSans_800_.woff
683 ms
csm_Reduire_facture_chauffage_72dpi_2a15c0b830.jpg
781 ms
csm_Reduction_de_ses_consommations_eau_chauffage_204eaac33b.jpg
592 ms
csm_Mesure_consommation_RT2012_72dpi_2b1f6f5102.jpg
596 ms
ista.fr 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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ista.fr 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
Missing source maps for large first-party JavaScript
ista.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ista.fr 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 Ista.fr 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.
ista.fr
Open Graph description is not detected on the main page of Ista. 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: