4.5 sec in total
304 ms
4 sec
193 ms
Click here to check amazing SIGMA Foto content for Germany. Otherwise, check out these important facts you probably never knew about sigma-foto.de
Die SIGMA Corporation ist ein international tätiger Premium-Hersteller von Objektiven, Kameras und Blitzgeräten.
Visit sigma-foto.deWe analyzed Sigma-foto.de page load time and found that the first response time was 304 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.
sigma-foto.de performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value8.3 s
2/100
25%
Value6.6 s
38/100
10%
Value720 ms
41/100
30%
Value0.016
100/100
15%
Value7.5 s
48/100
10%
304 ms
719 ms
206 ms
309 ms
416 ms
Our browser made a total of 95 requests to load all elements on the main page. We found that 89% of them (85 requests) were addressed to the original Sigma-foto.de, 4% (4 requests) were made to Google-analytics.com and 2% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Sigma-foto.de.
Page size can be reduced by 1.8 MB (40%)
4.5 MB
2.7 MB
In fact, the total size of Sigma-foto.de main page is 4.5 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. 60% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.
Potential reduce by 149.1 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 149.1 kB or 90% of the original size.
Potential reduce by 1.3 MB
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. Obviously, SIGMA Foto needs image optimization as it can save up to 1.3 MB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 193.5 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 193.5 kB or 61% of the original size.
Potential reduce by 188.4 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. Sigma-foto.de needs all CSS files to be minified and compressed as it can save up to 188.4 kB or 85% of the original size.
Number of requests can be reduced by 21 (24%)
89
68
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SIGMA Foto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
sigma-foto.de
304 ms
www.sigma-foto.de
719 ms
news-basic.css
206 ms
stylesheet_623ad27bc2.css
309 ms
lessphp_bfef13636fdab3f05fed917f52e99edcc29268db.css
416 ms
glossary_tooltip.css
308 ms
style.css
309 ms
slick.css
312 ms
slick-theme.css
314 ms
lightbox.css
409 ms
merged-236db88f4e4fc6c537004a6feb70fadd-9f89a3967e8e745b3a097b018d8b4045.js
409 ms
jquery-ui.custom.css
411 ms
merged-d63ba9d9bde3ee5f4252312954b7bb8c-881c35cbfa9534351f8bd4bd5d52e579.js
627 ms
merged-17fbc5cdcebcdf94023d0b9c2d1de696-3f12c46134ca77465a39deac34efb387.js
317 ms
menu.css
203 ms
meta.css
204 ms
footer.css
206 ms
product.css
207 ms
extensions.css
209 ms
service.css
304 ms
close.png
146 ms
loading.gif
145 ms
prev.png
144 ms
next.png
143 ms
sigma.png
145 ms
NAV_4_5mmF28_EX_DC_HSM_CircularFisheye.png
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NAV_8mm_F3_5_EX_DG_Zirkular-Fisheye.png
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NAV_8-16mm_F45-56_DC_HSM.png
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NAV_10mm_F28_EX_DC_Diagonal-Fisheye_HSM.png
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NAV_12-24mm_F45-56_DG_HSM_II.png
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NAV_15mm_F28_EX_DG_Diagonal-Fisheye.png
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NAV_50-100mm_F18_DC_HSM_Art.png
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NAV_50-500mm_F45-63_DG_OS_HSM.png
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gtm.js
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glyphicons-halflings-regular.woff
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lineto-akkurat-bold.woff
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NAV_70-300mm_F4-56_DG_Makro.png
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NAV_85mm_F14_EX_DG_HSM.png
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NAV_MAKRO105mm_F28_EX_DG_OS_HSM.png
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conversion_async.js
44 ms
analytics.js
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linkid.js
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ec.js
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collect
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collect
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NAV_MAKRO150mm_F28_EX_DG_OS_HSM.png
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ga-audiences
27 ms
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1036 ms
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1035 ms
NAV_300-800mm_F56_EX_DG_HSM.png
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NAV_500mm_F45_EX_DG_HSM.png
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1014 ms
sdQuattro.jpg
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30mm_F14_DC_DN_Contemporary.jpg
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50-100mm_F18_DC_HSM_Art.jpg
1313 ms
MountConverterMC-11.jpg
1218 ms
Slider_SIGMAWRCeramicProtector.jpg
1720 ms
HandwerklicheQualitaet.jpg
932 ms
neuSIGMAGLOBALVISION.jpg
954 ms
neuProduktfinder.jpg
1044 ms
csm_sdQuattroFacebook_b81918b917.jpg
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csm_Overview_Sigma1_96f96bd199.jpg
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Featured_MountConverterMC-11.jpg
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dpQuattroGemanDesignAward.gif
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sm-sprite.png
1119 ms
open.png
1116 ms
sigma-foto.de 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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sigma-foto.de 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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sigma-foto.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sigma-foto.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Sigma-foto.de 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.
sigma-foto.de
Open Graph description is not detected on the main page of SIGMA Foto. 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: