4.9 sec in total
705 ms
1.1 sec
3.1 sec
Visit mirror-status.centos.org now to see the best up-to-date Mirror Status CentOS content for China and also check out these interesting facts you probably never knew about mirror-status.centos.org
Visit mirror-status.centos.orgWe analyzed Mirror-status.centos.org page load time and found that the first response time was 705 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
mirror-status.centos.org performance score
name
value
score
weighting
Value4.0 s
22/100
10%
Value4.3 s
42/100
25%
Value4.0 s
80/100
10%
Value120 ms
97/100
30%
Value0.031
100/100
15%
Value4.6 s
81/100
10%
705 ms
160 ms
161 ms
158 ms
155 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that all of those requests were addressed to Mirror-status.centos.org and no external sources were called. The less responsive or slowest element that took the longest time to load (705 ms) belongs to the original domain Mirror-status.centos.org.
Page size can be reduced by 257.1 kB (92%)
278.1 kB
21.0 kB
In fact, the total size of Mirror-status.centos.org main page is 278.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 276.1 kB which makes up the majority of the site volume.
Potential reduce by 257.1 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 257.1 kB or 93% of the original size.
Potential reduce by 48 B
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. Mirror Status CentOS images are well optimized though.
Number of requests can be reduced by 44 (96%)
46
2
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mirror Status CentOS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
mirror-status.centos.org
705 ms
centoslogo-64.png
160 ms
mms01.gif
161 ms
mmf01.gif
158 ms
bar.gif
155 ms
mmb01.gif
156 ms
mmz01.gif
231 ms
mmf04.gif
169 ms
mmf03.gif
169 ms
mms05.gif
169 ms
mms14.gif
172 ms
mmsf11.gif
264 ms
mmf14.gif
265 ms
mms03.gif
257 ms
mms11.gif
258 ms
mmsb14.gif
259 ms
mmf13.gif
300 ms
mmf07.gif
296 ms
mmf10.gif
294 ms
mms07.gif
288 ms
mms04.gif
288 ms
mms02.gif
291 ms
mmsf06.gif
299 ms
mmf06.gif
308 ms
mms09.gif
309 ms
mmsb10.gif
309 ms
mmf02.gif
344 ms
mms12.gif
364 ms
mmsf10.gif
349 ms
mmsf09.gif
319 ms
mmsf04.gif
319 ms
mms06.gif
320 ms
mmb07.gif
357 ms
mmsb06.gif
392 ms
mmsb12.gif
390 ms
mms10.gif
391 ms
mmf05.gif
392 ms
mmsb13.gif
337 ms
mmf08.gif
333 ms
mmf12.gif
369 ms
mms08.gif
370 ms
mmsf05.gif
371 ms
mmsb11.gif
339 ms
mmsbf09.gif
269 ms
mmsf03.gif
306 ms
mmsf02.gif
339 ms
mirmon.gif
347 ms
mirror-status.centos.org 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.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Links do not have a discernible name
mirror-status.centos.org 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
mirror-status.centos.org 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
DA
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mirror-status.centos.org can be misinterpreted by Google and other search engines. Our service has detected that Danish 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 Mirror-status.centos.org main page’s claimed encoding is iso-8859-1. 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.
mirror-status.centos.org
Open Graph description is not detected on the main page of Mirror Status CentOS. 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: