3.2 sec in total
266 ms
2.6 sec
270 ms
Welcome to hagerrom.de homepage info - get ready to check Hagerrom best content right away, or after learning these important things about hagerrom.de
Springer - Our business is publishing. Throughout the world, we provide scientific and professional communities with superior specialist information;
Visit hagerrom.deWe analyzed Hagerrom.de page load time and found that the first response time was 266 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
hagerrom.de performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value43.6 s
0/100
25%
Value9.1 s
14/100
10%
Value910 ms
31/100
30%
Value0.021
100/100
15%
Value10.9 s
21/100
10%
266 ms
248 ms
530 ms
29 ms
145 ms
Our browser made a total of 89 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Hagerrom.de, 15% (13 requests) were made to Resource-cms.springer.com and 11% (10 requests) were made to Us-sonar.sociomantic.com. The less responsive or slowest element that took the longest time to load (602 ms) relates to the external source Resource-cms.springer.com.
Page size can be reduced by 656.4 kB (57%)
1.1 MB
485.4 kB
In fact, the total size of Hagerrom.de main page is 1.1 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. 65% of websites need less resources to load. Javascripts take 810.7 kB which makes up the majority of the site volume.
Potential reduce by 37.9 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 37.9 kB or 75% of the original size.
Potential reduce by 30.1 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. Obviously, Hagerrom needs image optimization as it can save up to 30.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 567.8 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 567.8 kB or 70% of the original size.
Potential reduce by 20.6 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. Hagerrom.de needs all CSS files to be minified and compressed as it can save up to 20.6 kB or 77% of the original size.
Number of requests can be reduced by 48 (63%)
76
28
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hagerrom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.
hagerrom.de
266 ms
www.springer.com
248 ms
530 ms
jquery.min.js
29 ms
262426511.js
145 ms
angular.min.js
47 ms
prod.js
18 ms
modern_sprcom-cms-frontend.css
23 ms
font-awesome.min.css
485 ms
header.prod.js
30 ms
event
37 ms
print.css
7 ms
common
19 ms
policy
76 ms
bg.png
5 ms
v4
298 ms
_default
311 ms
spcom-img-homepage-teaser
304 ms
spcom-img-homepage-teaser
395 ms
spcom-img-homepage-teaser
407 ms
spcom-img-homepage-teaser
406 ms
spcom-img-homepage-teaser
405 ms
spcom-img-homepage-teaser
393 ms
spcom-img-homepage-teaser
403 ms
spcom-img-homepage-teaser
477 ms
spcom-img-homepage-teaser
481 ms
logo-print.gif
248 ms
gtm.js
91 ms
springer-sprite-s5ec53e3cda.png
18 ms
logo.png
260 ms
watermark.png
69 ms
wt
291 ms
oldbrowser.js
489 ms
978-0-387-31073-2.jpg
21 ms
978-3-319-27776-9.jpg
21 ms
978-0-387-84857-0.jpg
22 ms
v1
496 ms
v1
504 ms
v1
602 ms
0661.js
33 ms
conversion_async.js
48 ms
springer-us
44 ms
analytics.js
8 ms
ld.js
17 ms
9CC.js
38 ms
linkid.js
4 ms
collect
52 ms
event
47 ms
s
69 ms
u
73 ms
custom-script.js
26 ms
view
35 ms
130 ms
event
189 ms
view
228 ms
rum
69 ms
u.php
117 ms
serve
89 ms
116 ms
pixel
116 ms
usersync
68 ms
Pug
74 ms
86 ms
pixel
113 ms
Pug
64 ms
listener2
105 ms
79 ms
mapuser
28 ms
sd
26 ms
match
26 ms
rum
30 ms
ga-audiences
73 ms
70 ms
match
37 ms
match
42 ms
63 ms
match
46 ms
match
41 ms
match
54 ms
pixel
27 ms
pixel
21 ms
merge
50 ms
tap.php
60 ms
match
98 ms
match
114 ms
33 ms
cm.gif
27 ms
match
17 ms
dis.aspx
308 ms
hagerrom.de 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 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.
ARIA toggle fields do not have accessible names
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
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
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.
hagerrom.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
hagerrom.de 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
Tap targets are not sized appropriately
DE
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hagerrom.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Hagerrom.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.
hagerrom.de
Open Graph data is detected on the main page of Hagerrom. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: