5.7 sec in total
229 ms
4.7 sec
725 ms
Welcome to klett-usa.com homepage info - get ready to check Klett Usa best content for Iran right away, or after learning these important things about klett-usa.com
We provide the highest quality language materials in Spanish, French, German, Italian, and Portuguese. We create content that helps students build authentic
Visit klett-usa.comWe analyzed Klett-usa.com page load time and found that the first response time was 229 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
klett-usa.com performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value8.5 s
2/100
25%
Value7.6 s
25/100
10%
Value2,410 ms
5/100
30%
Value1
2/100
15%
Value8.1 s
42/100
10%
229 ms
209 ms
1768 ms
311 ms
715 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 70% of them (26 requests) were addressed to the original Klett-usa.com, 24% (9 requests) were made to Res.cloudinary.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Klett-usa.com.
Page size can be reduced by 50.1 kB (4%)
1.3 MB
1.3 MB
In fact, the total size of Klett-usa.com main page is 1.3 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 1.1 MB which makes up the majority of the site volume.
Potential reduce by 27.2 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 27.2 kB or 78% of the original size.
Potential reduce by 22.4 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. Klett Usa images are well optimized though.
Potential reduce by 568 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 13 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. Klett-usa.com has all CSS files already compressed.
We found no issues to fix!
29
29
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Klett Usa. According to our analytics all requests are already optimized.
klett-usa.com
229 ms
www.klett-usa.com
209 ms
www.klett-usa.com
1768 ms
screen.css
311 ms
all.js
715 ms
KUSA-_Website_Slide_Banners_1_qq75ka.png
421 ms
Newsletter_o6ns46.png
417 ms
Klett_USA_Partners_xawukv.png
471 ms
KUSA-_Website_Slide_Banners_2_m45q9a.png
424 ms
PDN_xhcxqq.png
523 ms
Klasse_kjkdxv.png
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Netzwerk_neu_ruqkf1.png
426 ms
Discover_our_Lehrerzimmer_r3phfs.png
419 ms
Bestsellers_lq7gkk.png
467 ms
lupe.svg
164 ms
contact.jpg
166 ms
transparency.gif
406 ms
analytics.js
415 ms
logo_klett_es.png
403 ms
sprachen-fuers-leben.png
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sprite_us.png
510 ms
sprite.png
669 ms
newsletter_anmeldebox_bg.png
481 ms
newsletter_anmeldebox_txt.png
484 ms
f_logo_RGB-Black_58.png
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glyph-logo_May2016.png
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Twitter_Social_Icon_Circle_Black.svg
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LI-In-Bug-Black.png
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badgeRGB.svg
622 ms
yt_logo_mono_light.png
639 ms
lato-v14-latin-ext_latin-regular.woff
840 ms
lato-v14-latin-ext_latin-700.woff
897 ms
fontawesome-webfont.woff
896 ms
lato-v14-latin-ext_latin-italic.woff
1305 ms
lato-v14-latin-ext_latin-700italic.woff
730 ms
collect
19 ms
print.css
111 ms
klett-usa.com accessibility score
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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
klett-usa.com 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
klett-usa.com SEO score
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
EN
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Klett-usa.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Klett-usa.com 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.
klett-usa.com
Open Graph data is detected on the main page of Klett Usa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: