2.4 sec in total
129 ms
1.5 sec
720 ms
Click here to check amazing 21RUN content for France. Otherwise, check out these important facts you probably never knew about 21run.fr
21RUN: boutique spécialisée running ✓Chaussures running, Vêtements running, Accessoires running ✓ Trail running ✓ Tout pour votre run !
Visit 21run.frWe analyzed 21run.fr page load time and found that the first response time was 129 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
21run.fr performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value6.3 s
10/100
25%
Value3.7 s
86/100
10%
Value60 ms
100/100
30%
Value0
100/100
15%
Value6.4 s
60/100
10%
129 ms
962 ms
30 ms
49 ms
129 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original 21run.fr, 85% (68 requests) were made to Images.21run.com and 6% (5 requests) were made to Static.21run.com. The less responsive or slowest element that took the longest time to load (962 ms) relates to the external source 21run.com.
Page size can be reduced by 804.3 kB (32%)
2.5 MB
1.7 MB
In fact, the total size of 21run.fr main page is 2.5 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 793.0 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 793.0 kB or 75% of the original size.
Potential reduce by 11.2 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. 21RUN images are well optimized though.
Potential reduce by 94 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 0 B
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.
We found no issues to fix!
78
78
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21RUN. According to our analytics all requests are already optimized.
21run.fr
129 ms
fr
962 ms
styles.css
30 ms
mobiel-dames.jpg
49 ms
osa_banner_small.webp
129 ms
menu-schoenen-dames.jpg
61 ms
asics-1012b601-300-gel-nimbus-26-0_3.jpg
105 ms
trail_dames.jpg
120 ms
new-balance-fuelcell-sc-elite-v4-mrcella4-0_1_kopie_3.jpg
109 ms
adidas-ie2766-adizero-prime-sp-2-0_1__3.jpg
108 ms
menu-dames-kleding.jpg
43 ms
brooks-bh-1_1.jpg
25 ms
fusion-tight-dames_2.jpg
69 ms
nike-pro-dames.jpg
66 ms
menu-asseccoires-dames.jpg
84 ms
20211014-1001-leonvanbon-2moso_contentweek-a79i7079_groot_3.jpeg
37 ms
all4running_140622_lores_barbara_kerkhof-9143_3.jpg
38 ms
ciele-loop-tm-952_1500px_3.jpg
58 ms
mobiel-heren.jpg
59 ms
menu-schoenen-heren.jpg
61 ms
1011b794-402_0_3.jpg
96 ms
trail_heren.jpg
95 ms
new-balance-fuelcell-sc-elite-v4-mrcella4-0_1__3.jpg
76 ms
adidas-ie2766-adizero-prime-sp-2-0_1_kopie_3.jpg
80 ms
menu-heren-kleding.jpg
25 ms
falke-sokken.jpg
245 ms
saucony-1.jpg
25 ms
nike-pro-heren.jpg
243 ms
menu-asseccoires-heren.jpg
243 ms
20211014-1002-leonvanbon-2moso_contentweek-a79i7158_groot_2.jpeg
213 ms
zonnebrillen_groot_2.jpeg
33 ms
ciele-heren.jpg
247 ms
osa_banner_small.webp
9 ms
ASICSNoosaTri16Zijfoto-150x150.webp
351 ms
NewBalancePropelV5Mobile-150x150.webp
337 ms
HokaSkyflowZijfoto-150x150.webp
379 ms
MizunoWaveRider28Zijfoto2-150x150.webp
337 ms
mobiel-voeding.jpg
229 ms
voeding-maurten.jpg
225 ms
voeding-sis_1.jpg
226 ms
voeding-clif-1_3.jpg
226 ms
mobiel-merken.jpg
258 ms
adidas-merken.jpg
229 ms
asics-merken.jpg
230 ms
nike-sale.jpg
229 ms
mobiel-trail.jpg
257 ms
trailschoenen.jpg
230 ms
waterdicht.jpg
230 ms
rugzakken.jpg
260 ms
mobiel-advies.jpg
258 ms
shoe-advisor.jpg
260 ms
maurten-advies.jpg
258 ms
top-10-hardloopschoenen.jpg
258 ms
mobiel-sale.jpg
261 ms
sale-kleding.jpg
246 ms
sale-heren.jpg
247 ms
sale-dames.jpg
248 ms
FMBD-hoka-skyflow-new.jpg
148 ms
Highlight-nike-dames_2.png
133 ms
Highlight-nike-heren.png
131 ms
Highlight-SS24-on_1.png
133 ms
2CB-mizuno-wave-rider.jpg
131 ms
2CB-asics-kayano-31_3.jpg
130 ms
2CB-HOKA-Arahi-7.jpg
142 ms
6248569388259a19544da43edf2642e61002fb02_120406_443.jpg
133 ms
c7cc1a659ce3d869e1e8806a0b74d832948a2a78_1132210_STLC_0.jpg
135 ms
290949d39ee429b07df02eb8abd59298274c9214_110417_432.jpg
136 ms
ab246d16c09437dffd7c17e7e954cfab127defbc_1147851_GLP.jpg
140 ms
bdebc427e752e8f544720dedbe3692e40440ce8a_1147810_CSSW.jpg
114 ms
bac9e86a9e436b503676451e11ffa856bfb7ac8a_1127952_SLRL.jpg
113 ms
b0c69beca58525f5ba78125132f65f89b0556156_1127895_FTG.jpg
112 ms
139101ab2e2c7fa3e539f6d7a34aa02d3c8889d6_MRCELCT4_0.jpg
131 ms
5dc1153e9581182a16d97b0b213b896010d98eea_MRCELCT4_0.jpg
127 ms
5ac71e136a9148c7d2fcc3b537b1fe778f790eaa_GPFCPRP5_0.jpg
137 ms
3CB-Voeding_1_.jpg
130 ms
3CB-salomon-trail.jpg
448 ms
3CB-osa-adidas.jpg
156 ms
osa_banner_big.webp
113 ms
v2
92 ms
alpine3.min.js
84 ms
21run.fr accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
21run.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
21run.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
![]()
FR
![]()
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21run.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 21run.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.
21run.fr
Open Graph description is not detected on the main page of 21RUN. 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: