3.7 sec in total
685 ms
2.6 sec
397 ms
Welcome to chester.es homepage info - get ready to check Chester best content right away, or after learning these important things about chester.es
Academia de inglés en Madrid centro, nuestra escuela representa el estilo más avanzado de enseñanza en inglés desde 1986. Los mejores cursos de inglés en Madrid.
Visit chester.esWe analyzed Chester.es page load time and found that the first response time was 685 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
chester.es performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value12.3 s
0/100
25%
Value10.7 s
7/100
10%
Value1,410 ms
15/100
30%
Value0.001
100/100
15%
Value11.6 s
18/100
10%
685 ms
258 ms
369 ms
257 ms
11 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 91% of them (72 requests) were addressed to the original Chester.es, 4% (3 requests) were made to S7.addthis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Chester.es.
Page size can be reduced by 627.8 kB (43%)
1.4 MB
816.0 kB
In fact, the total size of Chester.es main page is 1.4 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. 45% of websites need less resources to load. Javascripts take 702.3 kB which makes up the majority of the site volume.
Potential reduce by 129.2 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 129.2 kB or 77% of the original size.
Potential reduce by 10.3 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. Chester images are well optimized though.
Potential reduce by 475.5 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 475.5 kB or 68% of the original size.
Potential reduce by 12.8 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. Chester.es needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 91% of the original size.
Number of requests can be reduced by 52 (68%)
76
24
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chester. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
chester.es
685 ms
CSTR2011.css
258 ms
NAV-BLU-2013.css
369 ms
mm_css_menu.js
257 ms
addthis_widget.js
11 ms
analytics.js
180 ms
layers.e5ea973510bf60b3db41.js
102 ms
imgfade6.html
324 ms
300lo.json
89 ms
BG2.jpg
280 ms
spacer.gif
132 ms
NAV-BLU-2013_r1_c1.png
134 ms
NAV-BLU-2013_r2_c1.png
136 ms
NAV-BLU-2013_r2_c2.png
221 ms
NAV-BLU-2013_r2_c3.png
246 ms
NAV-BLU-2013_r2_c4.png
277 ms
NAV-BLU-2013_r2_c5.png
240 ms
NAV-BLU-2013_r2_c6.png
278 ms
NAV-BLU-2013_r2_c7.png
335 ms
NAV-BLU-2013_r2_c10.png
371 ms
NAV-BLU-2013_r2_c11.png
382 ms
NAV-BLU-2013_r2_c16.png
394 ms
NAV-BLU-2013_r2_c17.png
366 ms
NAV-BLU-2013_r3_c7.png
396 ms
NAV-BLU-2013_r3_c8.png
536 ms
NAV-BLU-2013_r3_c9.png
482 ms
NAV-BLU-2013_r3_c11.png
479 ms
NAV-BLU-2013_r3_c12.png
536 ms
NAV-BLU-2013_r3_c13.png
510 ms
NAV-BLU-2013_r3_c14.png
535 ms
NAV-BLU-2013_r3_c15.png
591 ms
NAV-BLU-2013_r4_c6.png
599 ms
NAV-BLU-2013_r4_c10.png
626 ms
NAV-BLU-2013_r4_c12.png
627 ms
NAV-BLU-2013_r4_c14.png
653 ms
NAV-BLU-2013_r5_c2.png
655 ms
NAV-BLU-2013_r6_c4.png
704 ms
NAV-BLU-2013_r6_c8.png
714 ms
NAV-BLU-2013_r6_c16.png
747 ms
mmmenu4_173x30_up.gif
729 ms
mmmenu3_201x30_up.gif
784 ms
mmmenu2_211x30_up.gif
783 ms
mmmenu1_186x30_up.gif
813 ms
spcr-50x30.gif
901 ms
sh.8e5f85691f9aaa082472a194.html
97 ms
BUTTON-PHONE.png
882 ms
collect
47 ms
BUTTON-EMAIL.png
771 ms
BUTTON-Facebook.png
796 ms
BUTTON-SITEMAP.png
792 ms
spcr-620x10.gif
712 ms
jquery-1.9.1.js
12 ms
normalize.css
110 ms
result-light.css
298 ms
spcr-30x10.gif
769 ms
spcr-350x10.gif
776 ms
bodytext-top-25.png
752 ms
bodytext-box.png
772 ms
pic-Chester2.jpg
1117 ms
BUTTON-Top.png
711 ms
bodytext-base.png
882 ms
BANNER-2015-2016.png
785 ms
BANNER-ProLingua.png
774 ms
Ban-Rugby-Irlanda.jpg
879 ms
HEAD-Staff-Claire.jpg
474 ms
HEAD-Staff-Anthonnie.jpg
482 ms
HEAD-Staff-Emer.jpg
517 ms
HEAD-Staff-David.jpg
530 ms
HEAD-Staff-Olivia.jpg
561 ms
HEAD-3.jpg
618 ms
HEAD-4.jpg
830 ms
NAV-BLU-2013_r2_c2_f2.png
119 ms
NAV-BLU-2013_r2_c4_f2.png
181 ms
NAV-BLU-2013_r2_c6_f2.png
114 ms
NAV-BLU-2013_r2_c10_f2.png
184 ms
NAV-BLU-2013_r2_c16_f2.png
183 ms
NAV-BLU-2013_r3_c8_f2.png
105 ms
NAV-BLU-2013_r3_c12_f2.png
205 ms
NAV-BLU-2013_r3_c14_f2.png
223 ms
chester.es 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
chester.es best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
chester.es SEO score
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chester.es can be misinterpreted by Google and other search engines. Our service has detected that English 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 Chester.es 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.
chester.es
Open Graph description is not detected on the main page of Chester. 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: