polytechnique.fr Website Information
Daily Unique Visits: 88,016
Daily Page Views: 528,096
Income Per Day: $1,056
Estimated Value: $760,320
This website is located in France and is using following IP address 129.104.30.29. See the complete list of popular websites hosted in France.
polytechnique.fr is registered under .FR top-level domain. Please check other sites in .FR zone.
Website polytechnique.fr is using the following name servers:
- milou.polytechnique.fr
- picaros.polytechnique.fr
- rackham.polytechnique.fr
- ns2.nic.fr
and is probably hosted by Renater. See the full list of other websites hosted by Renater.
The highest website polytechnique.fr position in Alexa rank database was 15972 and the lowest rank position was 17716. Current position of polytechnique.fr in Alexa rank database is 16295.
Desktop speed score of polytechnique.fr (5/100) is better than the results of 0.65% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of polytechnique.fr (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed score of polytechnique.fr (3/100) is better than the results of 0.36% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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polytechnique.fr Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
polytechnique.fr whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
%%
%% This is the AFNIC Whois server.
%%
%% complete date format : YYYY-MM-DDThh:mm:ssZ
%% short date format : DD/MM
%% version : FRNIC-2.5
%%
%% Rights restricted by copyright.
%% See https://www.afnic.fr/en/products-and-services/services/whois/whois-special-notice/
%%
%% Use '-h' option to obtain more information about this service.
%%
%% [167.99.102.248 REQUEST] >> polytechnique.fr
%%
%% RL Net [##########] - RL IP [#########.]
%%
domain: polytechnique.fr
status: ACTIVE
hold: NO
holder-c: EP2056-FRNIC
admin-c: LP282-FRNIC
tech-c: GR1378-FRNIC
tech-c: GG14-FRNIC
zone-c: NFC1-FRNIC
nsl-id: NSL10068-FRNIC
registrar: GIP RENATER
Expiry Date: 2021-12-31T23:00:00Z
created: 1994-12-31T23:00:00Z
last-update: 2020-12-31T23:36:35Z
source: FRNIC
ns-list: NSL10068-FRNIC
nserver: milou.polytechnique.fr [129.104.30.41]
nserver: picaros.polytechnique.fr [129.104.7.41]
nserver: rackham.polytechnique.fr [129.104.32.41]
nserver: ns2.nic.fr
source: FRNIC
registrar: GIP RENATER
type: Isp Option 1
address: Array
address: 75013 PARIS
country: FR
phone: +33 1 53 94 20 30
fax-no: +33 1 53 94 20 31
e-mail: domaine@renater.fr
website: http://www.renater.fr
anonymous: NO
registered: 1998-01-01T12:00:00Z
source: FRNIC
nic-hdl: EP2056-FRNIC
type: ORGANIZATION
contact: ECOLE POLYTECHNIQUE
address: route de Saclay
address: 91128 Palaiseau
country: FR
phone: +33 1 69 33 46 02
fax-no: +33 1 69 33 30 35
e-mail: loic.pasquiet@polytechnique.fr
registrar: GIP RENATER
changed: 2009-12-02T16:08:36Z nic@nic.fr
anonymous: NO
obsoleted: NO
eligstatus: ok
eligdate: 2005-06-15T22:00:00Z
reachstatus: not identified
source: FRNIC
nic-hdl: LP282-FRNIC
type: PERSON
contact: Loic Pasquiet
address: Ecole Polytechnique
address: Plateau de Saclay - Sitx
address: 91128 Palaiseau Cedex
country: FR
phone: +33 1 69 33 46 02
fax-no: +33 1 69 33 30 35
e-mail: loic.pasquiet@polytechnique.fr
notify: loic.pasquiet@polytechnique.fr
registrar: GIP RENATER
changed: 2000-10-14T22:00:00Z migration-dbm@nic.fr
anonymous: NO
obsoleted: NO
eligstatus: not identified
reachstatus: not identified
source: FRNIC
nic-hdl: GR1378-FRNIC
type: ROLE
contact: GIP RENATER
address: GIP RENATER
address: Ensam
address: 151, boulevard de l'Hopital
address: 75013 Paris
country: FR
phone: +33 1 53 94 20 30
fax-no: +33 1 53 94 20 31
e-mail: rensvp@renater.fr
trouble: Information: http://www.Renater.fr/
trouble: abuse reports, ... mailto:CertSVP@Renater.fr
trouble: questions: mailto:RenSVP@Renater.Fr
admin-c: DV321-FRNIC
tech-c: FS65-FRNIC
tech-c: BT261-FRNIC
tech-c: MD5336-FRNIC
tech-c: SJ94-FRNIC
tech-c: ED168-FRNIC
tech-c: CT1053-FRNIC
tech-c: SEH1-FRNIC
tech-c: FXA1-FRNIC
registrar: GIP RENATER
changed: 2005-11-08T15:47:42Z rensvp@renater.fr
anonymous: NO
obsoleted: NO
eligstatus: not identified
reachstatus: not identified
source: FRNIC
nic-hdl: GG14-FRNIC
type: PERSON
contact: Gerard Guillerm
address: Ecole Polytechnique - Centre Informatique
address: route de Saclay
address: 91128 Palaiseau Cedex
country: FR
phone: +33 69 33 46 08
e-mail: geg@poly.polytechnique.fr
notify: geg@poly.polytechnique.fr
registrar: GIP RENATER
changed: 2003-02-13T23:00:00Z nic@nic.fr
anonymous: NO
obsoleted: NO
eligstatus: not identified
reachstatus: not identified
source: FRNIC
%% This is the AFNIC Whois server.
%%
%% complete date format : YYYY-MM-DDThh:mm:ssZ
%% short date format : DD/MM
%% version : FRNIC-2.5
%%
%% Rights restricted by copyright.
%% See https://www.afnic.fr/en/products-and-services/services/whois/whois-special-notice/
%%
%% Use '-h' option to obtain more information about this service.
%%
%% [167.99.102.248 REQUEST] >> polytechnique.fr
%%
%% RL Net [##########] - RL IP [#########.]
%%
domain: polytechnique.fr
status: ACTIVE
hold: NO
holder-c: EP2056-FRNIC
admin-c: LP282-FRNIC
tech-c: GR1378-FRNIC
tech-c: GG14-FRNIC
zone-c: NFC1-FRNIC
nsl-id: NSL10068-FRNIC
registrar: GIP RENATER
Expiry Date: 2021-12-31T23:00:00Z
created: 1994-12-31T23:00:00Z
last-update: 2020-12-31T23:36:35Z
source: FRNIC
ns-list: NSL10068-FRNIC
nserver: milou.polytechnique.fr [129.104.30.41]
nserver: picaros.polytechnique.fr [129.104.7.41]
nserver: rackham.polytechnique.fr [129.104.32.41]
nserver: ns2.nic.fr
source: FRNIC
registrar: GIP RENATER
type: Isp Option 1
address: Array
address: 75013 PARIS
country: FR
phone: +33 1 53 94 20 30
fax-no: +33 1 53 94 20 31
e-mail: domaine@renater.fr
website: http://www.renater.fr
anonymous: NO
registered: 1998-01-01T12:00:00Z
source: FRNIC
nic-hdl: EP2056-FRNIC
type: ORGANIZATION
contact: ECOLE POLYTECHNIQUE
address: route de Saclay
address: 91128 Palaiseau
country: FR
phone: +33 1 69 33 46 02
fax-no: +33 1 69 33 30 35
e-mail: loic.pasquiet@polytechnique.fr
registrar: GIP RENATER
changed: 2009-12-02T16:08:36Z nic@nic.fr
anonymous: NO
obsoleted: NO
eligstatus: ok
eligdate: 2005-06-15T22:00:00Z
reachstatus: not identified
source: FRNIC
nic-hdl: LP282-FRNIC
type: PERSON
contact: Loic Pasquiet
address: Ecole Polytechnique
address: Plateau de Saclay - Sitx
address: 91128 Palaiseau Cedex
country: FR
phone: +33 1 69 33 46 02
fax-no: +33 1 69 33 30 35
e-mail: loic.pasquiet@polytechnique.fr
notify: loic.pasquiet@polytechnique.fr
registrar: GIP RENATER
changed: 2000-10-14T22:00:00Z migration-dbm@nic.fr
anonymous: NO
obsoleted: NO
eligstatus: not identified
reachstatus: not identified
source: FRNIC
nic-hdl: GR1378-FRNIC
type: ROLE
contact: GIP RENATER
address: GIP RENATER
address: Ensam
address: 151, boulevard de l'Hopital
address: 75013 Paris
country: FR
phone: +33 1 53 94 20 30
fax-no: +33 1 53 94 20 31
e-mail: rensvp@renater.fr
trouble: Information: http://www.Renater.fr/
trouble: abuse reports, ... mailto:CertSVP@Renater.fr
trouble: questions: mailto:RenSVP@Renater.Fr
admin-c: DV321-FRNIC
tech-c: FS65-FRNIC
tech-c: BT261-FRNIC
tech-c: MD5336-FRNIC
tech-c: SJ94-FRNIC
tech-c: ED168-FRNIC
tech-c: CT1053-FRNIC
tech-c: SEH1-FRNIC
tech-c: FXA1-FRNIC
registrar: GIP RENATER
changed: 2005-11-08T15:47:42Z rensvp@renater.fr
anonymous: NO
obsoleted: NO
eligstatus: not identified
reachstatus: not identified
source: FRNIC
nic-hdl: GG14-FRNIC
type: PERSON
contact: Gerard Guillerm
address: Ecole Polytechnique - Centre Informatique
address: route de Saclay
address: 91128 Palaiseau Cedex
country: FR
phone: +33 69 33 46 08
e-mail: geg@poly.polytechnique.fr
notify: geg@poly.polytechnique.fr
registrar: GIP RENATER
changed: 2003-02-13T23:00:00Z nic@nic.fr
anonymous: NO
obsoleted: NO
eligstatus: not identified
reachstatus: not identified
source: FRNIC
polytechnique.fr server information
Servers Location
polytechnique.fr desktop page speed rank
Last tested: 2016-11-12
Desktop Speed
Bad
5/100
polytechnique.fr Desktop Speed Test Quick Summary
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priority - 15Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
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https://www.polytechnique.edu/sites/all/themes/pol…core/css/img/tiret.png (expiration not specified)
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https://cdn.syndication.twimg.com/widgets/timeline…e_codes=true&t=1643309 (5 minutes)
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https://www.polytechnique.edu/sites/all/institutionnel/UPS.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…EzEcexkq1id_h7x4O8.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…xu4WO-qwma6Xer30m4.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…ou_T-0QZytivuM9tTT8.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…493zEa7dpsXC1OtYlZU.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/logo-cge.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/numerique.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…deau-polytechnique.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…s-auteuil-vignette.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…technique-vignette.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…mg/header_right_bg.gif (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…g/icone_and_arrows.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…mg/slide_indicator.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…mg/slide_next_prev.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…g/slide_play_pause.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…s/img/social_icons.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…core/css/img/tiret.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…echnique_core/logo.png (expiration not specified)
https://www.polytechnique.edu/stats/piwik.js (expiration not specified)
https://cdn.syndication.twimg.com/widgets/timeline…e_codes=true&t=1643309 (5 minutes)
https://platform.twitter.com/widgets.js (30 minutes)
priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.polytechnique.edu/sites/all/institutio…493zEa7dpsXC1OtYlZU.js
https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js
https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js
https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js
https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js
Optimize CSS Delivery of the following:
https://www.polytechnique.edu/sites/all/institutio…xu4WO-qwma6Xer30m4.css
https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css
https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css
https://fonts.googleapis.com/css?family=Droid+Serif%3A400%2C700%7CMuli
https://www.polytechnique.edu/sites/all/institutio…EzEcexkq1id_h7x4O8.css
https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css
https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css
https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css
https://fonts.googleapis.com/css?family=Droid+Serif%3A400%2C700%7CMuli
https://www.polytechnique.edu/sites/all/institutio…EzEcexkq1id_h7x4O8.css
https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css
priority - 2Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 19.4KiB (17% reduction).
Minifying https://www.polytechnique.edu/sites/all/institutio…493zEa7dpsXC1OtYlZU.js could save 14KiB (15% reduction).
Minifying https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js could save 4KiB (23% reduction).
Minifying https://www.polytechnique.edu/sites/all/institutio…ou_T-0QZytivuM9tTT8.js could save 1.4KiB (51% reduction).
Minifying https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js could save 4KiB (23% reduction).
Minifying https://www.polytechnique.edu/sites/all/institutio…ou_T-0QZytivuM9tTT8.js could save 1.4KiB (51% reduction).
priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 9.2KiB (15% reduction).
Minifying https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css could save 9.2KiB (15% reduction).
polytechnique.fr Desktop Resource Breakdown
| Total Resources | 80 |
| Number of Hosts | 11 |
| Static Resources | 66 |
| JavaScript Resources | 8 |
| CSS Resources | 8 |
polytechnique.fr mobile page speed rank
Last tested: 2016-11-12
Mobile Speed
Bad
3/100
polytechnique.fr Mobile Speed Test Quick Summary
priority - 556Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 5.3MiB (97% reduction).
Compressing and resizing https://www.polytechnique.edu/sites/all/institutio…0025-xaefe-7112016.jpg could save 5.1MiB (99% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…deau-polytechnique.jpg could save 26.2KiB (36% reduction).
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Compressing https://www.polytechnique.edu/sites/all/institutio…s-auteuil-vignette.jpg could save 17.5KiB (70% reduction).
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Compressing https://www.polytechnique.edu/sites/all/themes/pol…echnique_core/logo.png could save 596B (15% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…deau-polytechnique.jpg could save 26.2KiB (36% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutionnel/numerique.jpg could save 24.3KiB (38% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…technique-vignette.jpg could save 22.1KiB (68% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…core/css/img/tiret.png could save 20.8KiB (96% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…s-auteuil-vignette.jpg could save 17.5KiB (70% reduction).
Compressing https://pbs.twimg.com/profile_images/3788000003597…4022b83182_bigger.jpeg could save 14.2KiB (88% reduction).
Compressing https://pbs.twimg.com/profile_images/3788000006132…2db7feb329_bigger.jpeg could save 13.6KiB (85% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutionnel/UPS.jpg could save 12.5KiB (77% reduction).
Compressing https://pbs.twimg.com/profile_images/2532603829/Photo_Claire_2_bigger.jpg could save 11.8KiB (73% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…re/css/img/bg_tabs.png could save 3.8KiB (73% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…s/img/social_icons.png could save 3.4KiB (46% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutionnel/Logo_Fondation.png could save 3.4KiB (79% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…/Logo_Asso_Anciens.png could save 3.3KiB (79% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…g/slide_play_pause.png could save 2.9KiB (85% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…mg/slide_next_prev.png could save 2.8KiB (81% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…_Polytechnique_Org.png could save 2.2KiB (37% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…g/icone_and_arrows.png could save 1.1KiB (48% reduction).
Compressing https://pbs.twimg.com/profile_images/748809227079077888/FtXXN-Q8_bigger.jpg could save 1KiB (32% reduction).
Compressing https://pbs.twimg.com/profile_images/752426416147460096/uqJbfm8b_bigger.jpg could save 1,002B (29% reduction).
Compressing https://pbs.twimg.com/profile_images/797107451514540032/bItueOi5_bigger.jpg could save 973B (31% reduction).
Compressing https://pbs.twimg.com/profile_images/717289137791967232/9Gf1wqn2_bigger.jpg could save 972B (47% reduction).
Compressing https://pbs.twimg.com/profile_images/657181360315084800/zJ_98SKf_bigger.jpg could save 823B (28% reduction).
Compressing https://pbs.twimg.com/profile_images/660023805746806784/bz1kxqo5_bigger.jpg could save 808B (28% reduction).
Compressing https://pbs.twimg.com/profile_images/5623515129452…7/3zx8pdH0_bigger.jpeg could save 799B (29% reduction).
Compressing https://pbs.twimg.com/profile_images/4722812142927…0/oLR-a7Bu_bigger.jpeg could save 794B (29% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…echnique_core/logo.png could save 596B (15% reduction).
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.polytechnique.edu/sites/all/institutio…493zEa7dpsXC1OtYlZU.js
https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js
https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js
https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js
https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js
Optimize CSS Delivery of the following:
https://www.polytechnique.edu/sites/all/institutio…xu4WO-qwma6Xer30m4.css
https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css
https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css
https://fonts.googleapis.com/css?family=Droid+Serif%3A400%2C700%7CMuli
https://www.polytechnique.edu/sites/all/institutio…EzEcexkq1id_h7x4O8.css
https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css
https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css
https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css
https://fonts.googleapis.com/css?family=Droid+Serif%3A400%2C700%7CMuli
https://www.polytechnique.edu/sites/all/institutio…EzEcexkq1id_h7x4O8.css
https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css
priority - 27Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 265.4KiB (74% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…EzEcexkq1id_h7x4O8.css could save 78.8KiB (84% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…493zEa7dpsXC1OtYlZU.js could save 63.4KiB (65% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css could save 51.4KiB (83% reduction).
Compressing https://www.polytechnique.edu/stats/piwik.js could save 37.2KiB (65% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js could save 13.8KiB (76% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css could save 7KiB (74% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…xu4WO-qwma6Xer30m4.css could save 5.2KiB (70% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js could save 5.2KiB (59% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…ou_T-0QZytivuM9tTT8.js could save 1.9KiB (68% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css could save 1.3KiB (64% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…493zEa7dpsXC1OtYlZU.js could save 63.4KiB (65% reduction).
Compressing https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css could save 51.4KiB (83% reduction).
Compressing https://www.polytechnique.edu/stats/piwik.js could save 37.2KiB (65% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js could save 13.8KiB (76% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css could save 7KiB (74% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…xu4WO-qwma6Xer30m4.css could save 5.2KiB (70% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js could save 5.2KiB (59% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…ou_T-0QZytivuM9tTT8.js could save 1.9KiB (68% reduction).
Compressing https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css could save 1.3KiB (64% reduction).
priority - 22Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://www.polytechnique.edu/sites/all/institutio…0025-xaefe-7112016.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…/Logo_Asso_Anciens.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/Logo_Fondation.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…_Polytechnique_Org.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/UPS.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…EzEcexkq1id_h7x4O8.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…xu4WO-qwma6Xer30m4.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…ou_T-0QZytivuM9tTT8.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…493zEa7dpsXC1OtYlZU.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/logo-cge.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/numerique.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…deau-polytechnique.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…s-auteuil-vignette.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…technique-vignette.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…re/css/img/bg_tabs.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…g/icone_and_arrows.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…mg/slide_next_prev.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…g/slide_play_pause.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…s/img/social_icons.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…core/css/img/tiret.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…echnique_core/logo.png (expiration not specified)
https://www.polytechnique.edu/stats/piwik.js (expiration not specified)
https://cdn.syndication.twimg.com/widgets/timeline…e_codes=true&t=1643309 (5 minutes)
https://platform.twitter.com/widgets.js (30 minutes)
https://www.polytechnique.edu/sites/all/institutio…/Logo_Asso_Anciens.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/Logo_Fondation.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…_Polytechnique_Org.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/UPS.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…EzEcexkq1id_h7x4O8.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…luCf0ZoMa4nawkuyFI.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…cJxJcWOIEmGz31EF-A.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…xu4WO-qwma6Xer30m4.css (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…rSYEnsawpDJLkz8nhj4.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…ou_T-0QZytivuM9tTT8.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…493zEa7dpsXC1OtYlZU.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…ygRs0B-e52zJgyw_3jE.js (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/logo-cge.png (expiration not specified)
https://www.polytechnique.edu/sites/all/institutionnel/numerique.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…deau-polytechnique.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…s-auteuil-vignette.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/institutio…technique-vignette.jpg (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…re/css/img/bg_tabs.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…g/icone_and_arrows.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…mg/slide_next_prev.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…g/slide_play_pause.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…s/img/social_icons.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…core/css/img/tiret.png (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…e/css/mediaqueries.css (expiration not specified)
https://www.polytechnique.edu/sites/all/themes/pol…echnique_core/logo.png (expiration not specified)
https://www.polytechnique.edu/stats/piwik.js (expiration not specified)
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priority - 2Minify JavaScript
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polytechnique.fr Mobile Resource Breakdown
| Total Resources | 79 |
| Number of Hosts | 11 |
| Static Resources | 65 |
| JavaScript Resources | 8 |
| CSS Resources | 8 |
polytechnique.fr mobile page usability
Last tested: 2016-11-12
Mobile Usability
Good
99/100
polytechnique.fr Mobile Usability Test Quick Summary
priority - 1Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
The tap target
<a href="https://twitte…Dream?src=hash" class="PrettyLink has…g customisable">#AmericanDream</a> and 8 others are close to other tap targets.The tap target
<a href="https://t.co/hsenwfEiSk" class="link customisable">http://bit.ly/2fMYDTd</a> is close to 2 other tap targets.polytechnique.fr HTML validation
Warnings
The “banner” role is unnecessary for element “header”.
Line: 84 Column: 3 - 53
"...der --> <header id="header" role="banner" class="clearfix"> <..."
"...der --> <header id="header" role="banner" class="clearfix"> <..."
The “navigation” role is unnecessary for element “nav”.
Line: 158 Column: 3 - 58
"...ion --> <nav id="navigation" role="navigation" class="clearfix"> <..."
"...ion --> <nav id="navigation" role="navigation" class="clearfix"> <..."
The “contentinfo” role is unnecessary for element “footer”.
Line: 434 Column: 3 - 58
"...ter --> <footer id="footer" role="contentinfo" class="clearfix"> <..."
"...ter --> <footer id="footer" role="contentinfo" class="clearfix"> <..."
Attribute “599'” is not serializable as XML 1.0.
Line: 448 Column: 78 - 138
"...ss='menu'><li class='expanded menu-mlid-49950 À propos de l'École 599'><a hre..."
"...ss='menu'><li class='expanded menu-mlid-49950 À propos de l'École 599'><a hre..."
Attribute “1375'” is not serializable as XML 1.0.
Line: 448 Column: 3683 - 3739
"...e</a></li><li class='expanded menu-mlid-49955 Chercheurs d'X 1375'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49955 Chercheurs d'X 1375'><a hre..."
Attribute “1551'” is not serializable as XML 1.0.
Line: 448 Column: 4599 - 4664
"...s</a></li><li class='expanded menu-mlid-49960 Paroles d'entrepreneurs 1551'><a hre..."
"...s</a></li><li class='expanded menu-mlid-49960 Paroles d'entrepreneurs 1551'><a hre..."
Attribute “686'” is not serializable as XML 1.0.
Line: 448 Column: 5220 - 5280
"...e</a></li><li class='expanded menu-mlid-49952 Partir à l'étranger 686'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Partir à l'étranger 686'><a hre..."
Attribute “518'” is not serializable as XML 1.0.
Line: 448 Column: 5372 - 5451
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
Attribute “514'” is not serializable as XML 1.0.
Line: 448 Column: 5834 - 5895
"...s</a></li><li class='expanded menu-mlid-49951 Taxe d'apprentissage 514'><a hre..."
"...s</a></li><li class='expanded menu-mlid-49951 Taxe d'apprentissage 514'><a hre..."
Attribute “695'” is not serializable as XML 1.0.
Line: 448 Column: 5987 - 6066
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
Attribute “512'” is not serializable as XML 1.0.
Line: 448 Column: 6486 - 6543
"...s</a></li><li class='expanded menu-mlid-49959 Fondation de l'X 512'><a hre..."
"...s</a></li><li class='expanded menu-mlid-49959 Fondation de l'X 512'><a hre..."
Errors
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Line: 95 Column: 78 - 134
"...t active"><a href="/fr" class="language-link active" xml:lang="fr">FR</a>..." Line: 96 Column: 21 - 70
"..."en last"><a href="/en" class="language-link" xml:lang="en">EN</a>..."
"...t active"><a href="/fr" class="language-link active" xml:lang="fr">FR</a>..." Line: 96 Column: 21 - 70
"..."en last"><a href="/en" class="language-link" xml:lang="en">EN</a>..."
Attribute “width” not allowed on element “a” at this point.
Line: 399 Column: 29 - 191
"... <a href="https://twitter.com/https://twitter.com/Polytechnique" class="twitter-timeline" data-widget-id="255338423970316288" width="300" data-aria-polite="polite">Tweets..."
"... <a href="https://twitter.com/https://twitter.com/Polytechnique" class="twitter-timeline" data-widget-id="255338423970316288" width="300" data-aria-polite="polite">Tweets..."
No space between attributes.
Line: 448 Column: - 128
"... À propos de l'École 599'><a h..." Line: 448 Column: - 3732
"...5 Chercheurs d'X 1375'><a href..." Line: 448 Column: - 4645
"...9960 Paroles d'entrepreneurs 1..." Line: 448 Column: - 5267
"...952 Partir à l'étranger 686'><..." Line: 448 Column: - 5410
"...u-mlid-49953 L'équipe des rela..." Line: 448 Column: - 5877
"...d-49951 Taxe d'apprentissage 5..." Line: 448 Column: - 6033
"...9952 Chaires d'enseignement et..." Line: 448 Column: - 6537
"...Fondation de l'X 512'><a href=..."
"... À propos de l'École 599'><a h..." Line: 448 Column: - 3732
"...5 Chercheurs d'X 1375'><a href..." Line: 448 Column: - 4645
"...9960 Paroles d'entrepreneurs 1..." Line: 448 Column: - 5267
"...952 Partir à l'étranger 686'><..." Line: 448 Column: - 5410
"...u-mlid-49953 L'équipe des rela..." Line: 448 Column: - 5877
"...d-49951 Taxe d'apprentissage 5..." Line: 448 Column: - 6033
"...9952 Chaires d'enseignement et..." Line: 448 Column: - 6537
"...Fondation de l'X 512'><a href=..."
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Line: 448 Column: - 137
"... de l'École 599'><a href='http..." Line: 448 Column: - 3738
"...cheurs d'X 1375'><a href='http..." Line: 448 Column: - 4663
"...repreneurs 1551'><a href='http..." Line: 448 Column: - 5279
"... l'étranger 686'><a href='http..." Line: 448 Column: - 5450
"...rnationales 518'><a href='http..." Line: 448 Column: - 5894
"...prentissage 514'><a href='http..." Line: 448 Column: - 6065
"...e recherche 695'><a href='http..." Line: 448 Column: - 6542
"...tion de l'X 512'><a href='http..."
"... de l'École 599'><a href='http..." Line: 448 Column: - 3738
"...cheurs d'X 1375'><a href='http..." Line: 448 Column: - 4663
"...repreneurs 1551'><a href='http..." Line: 448 Column: - 5279
"... l'étranger 686'><a href='http..." Line: 448 Column: - 5450
"...rnationales 518'><a href='http..." Line: 448 Column: - 5894
"...prentissage 514'><a href='http..." Line: 448 Column: - 6065
"...e recherche 695'><a href='http..." Line: 448 Column: - 6542
"...tion de l'X 512'><a href='http..."
Attribute “École” not allowed on element “li” at this point.
Line: 448 Column: 78 - 138
"...ss='menu'><li class='expanded menu-mlid-49950 À propos de l'École 599'><a hre..."
"...ss='menu'><li class='expanded menu-mlid-49950 À propos de l'École 599'><a hre..."
Attribute “599'” not allowed on element “li” at this point.
Line: 448 Column: 78 - 138
"...ss='menu'><li class='expanded menu-mlid-49950 À propos de l'École 599'><a hre..."
"...ss='menu'><li class='expanded menu-mlid-49950 À propos de l'École 599'><a hre..."
Attribute “x” not allowed on element “li” at this point.
Line: 448 Column: 3683 - 3739
"...e</a></li><li class='expanded menu-mlid-49955 Chercheurs d'X 1375'><a hre..." Line: 448 Column: 6486 - 6543
"...s</a></li><li class='expanded menu-mlid-49959 Fondation de l'X 512'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49955 Chercheurs d'X 1375'><a hre..." Line: 448 Column: 6486 - 6543
"...s</a></li><li class='expanded menu-mlid-49959 Fondation de l'X 512'><a hre..."
Attribute “1375'” not allowed on element “li” at this point.
Line: 448 Column: 3683 - 3739
"...e</a></li><li class='expanded menu-mlid-49955 Chercheurs d'X 1375'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49955 Chercheurs d'X 1375'><a hre..."
Attribute “entrepreneurs” not allowed on element “li” at this point.
Line: 448 Column: 4599 - 4664
"...s</a></li><li class='expanded menu-mlid-49960 Paroles d'entrepreneurs 1551'><a hre..."
"...s</a></li><li class='expanded menu-mlid-49960 Paroles d'entrepreneurs 1551'><a hre..."
Attribute “1551'” not allowed on element “li” at this point.
Line: 448 Column: 4599 - 4664
"...s</a></li><li class='expanded menu-mlid-49960 Paroles d'entrepreneurs 1551'><a hre..."
"...s</a></li><li class='expanded menu-mlid-49960 Paroles d'entrepreneurs 1551'><a hre..."
Attribute “étranger” not allowed on element “li” at this point.
Line: 448 Column: 5220 - 5280
"...e</a></li><li class='expanded menu-mlid-49952 Partir à l'étranger 686'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Partir à l'étranger 686'><a hre..."
Attribute “686'” not allowed on element “li” at this point.
Line: 448 Column: 5220 - 5280
"...e</a></li><li class='expanded menu-mlid-49952 Partir à l'étranger 686'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Partir à l'étranger 686'><a hre..."
Attribute “équipe” not allowed on element “li” at this point.
Line: 448 Column: 5372 - 5451
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
Attribute “des” not allowed on element “li” at this point.
Line: 448 Column: 5372 - 5451
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
Attribute “relations” not allowed on element “li” at this point.
Line: 448 Column: 5372 - 5451
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
Attribute “internationales” not allowed on element “li” at this point.
Line: 448 Column: 5372 - 5451
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
Attribute “518'” not allowed on element “li” at this point.
Line: 448 Column: 5372 - 5451
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
"...r</a></li><li class='expanded menu-mlid-49953 L'équipe des relations internationales 518'><a hre..."
Attribute “apprentissage” not allowed on element “li” at this point.
Line: 448 Column: 5834 - 5895
"...s</a></li><li class='expanded menu-mlid-49951 Taxe d'apprentissage 514'><a hre..."
"...s</a></li><li class='expanded menu-mlid-49951 Taxe d'apprentissage 514'><a hre..."
Attribute “514'” not allowed on element “li” at this point.
Line: 448 Column: 5834 - 5895
"...s</a></li><li class='expanded menu-mlid-49951 Taxe d'apprentissage 514'><a hre..."
"...s</a></li><li class='expanded menu-mlid-49951 Taxe d'apprentissage 514'><a hre..."
Attribute “enseignement” not allowed on element “li” at this point.
Line: 448 Column: 5987 - 6066
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
Attribute “et” not allowed on element “li” at this point.
Line: 448 Column: 5987 - 6066
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
Attribute “de” not allowed on element “li” at this point.
Line: 448 Column: 5987 - 6066
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
Attribute “recherche” not allowed on element “li” at this point.
Line: 448 Column: 5987 - 6066
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
Attribute “695'” not allowed on element “li” at this point.
Line: 448 Column: 5987 - 6066
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
"...e</a></li><li class='expanded menu-mlid-49952 Chaires d'enseignement et de recherche 695'><a hre..."
Attribute “512'” not allowed on element “li” at this point.
Line: 448 Column: 6486 - 6543
"...s</a></li><li class='expanded menu-mlid-49959 Fondation de l'X 512'><a hre..."
"...s</a></li><li class='expanded menu-mlid-49959 Fondation de l'X 512'><a hre..."
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polytechnique.fr Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
polytechnique.fr TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.