Archived
80/100
Average SEO score of top 100 sites: 75%
This webpage received an SEO score of 80 out of 100, which is higher than the average score of 75. Our analysis has identified 18 SEO issues that can be addressed to further enhance your website's performance and improve its search engine visibility.
18 Failed
5 Warnings
47 Passed
Common SEO issues
Score: 67
Failed: 3
Warnings: 2
Passed: 17
Meta Title Test100% of top 100 sites passed
- This webpage is using a title tag with a length of 18 characters. While there's no target number of characters, titles should be descriptive and concise. Using a title tag with less than 20 characters is a missed opportunity since it can be difficult to fit all your targeted keywords in such a short text.
We recommend using a title with a length between 20 - 60 characters in order to fit Google Search results that have a 600-pixel limit.
Meta Description Test97% of top 100 sites passed
- This webpage is not using a meta description tag! You should include this tag in order to provide a brief description of your page which can be used by search engines. Well-written and inviting meta descriptions may also help click-through rates to your site in search engine results.
Google Search Results Preview Test
Desktop version
https://altproxy-research.owlit.de/bibliothek/?cspallowed=falseOwlit - Bibliothek
Mobile versionhttps://altproxy-research.owlit.de/bibliothek/?cspallowed=falseOwlit - Bibliothek
Most Common Keywords Test
- There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.
Keywords Usage Test81% of top 100 sites passed
- The most common keywords of this webpage are not distributed across the important HTML tags! Primary keywords should appear in title tag, meta description and heading tags to help Search Engines to properly identify the topic of this webpage.
Keyword
Title tag
Meta description
Headings
fenster
informationen
weitere
weiteren
verbergen
Keywords Cloud Test
Competitor Domains Test
Understand your competitors' SEO and backlink profile
Get related competitors and their domain authority score in relation to your domain.
Robots.txt Test94% of top 100 sites passed
- This website is using a robots.txt file.
Sitemap Test75% of top 100 sites passed
- This website has a sitemap file.
Image Alt Test71% of top 100 sites passed
- This webpage is using "img" tags with empty or missing "alt" attribute!
Responsive Image Test38% of top 100 sites passed
- Not all images in this webpage are properly sized! This webpage is serving images that are larger than needed for the size of the user's viewport.
Image Aspect Ratio Test72% of top 100 sites passed
- All image display dimensions match the natural aspect ratio.
Google Analytics Test69% of top 100 sites passed
- This webpage is using Google Analytics.
Favicon Test100% of top 100 sites passed
- This website appears to have a favicon.
Backlinks Test
Get a full and detailed list of your backlinks!
To view your total number of backlinks and referring domains, please sign-up for a free trial!
JS Error Test74% of top 100 sites passed
- There are no severe JavaScript errors on this webpage.
Console Errors Test33% of top 100 sites passed
- This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.
Charset Declaration Test100% of top 100 sites passed
- This webpage has a character encoding declaration.
Speed optimizations
Score: 67
Failed: 6
Warnings: 3
Passed: 9
HTML Page Size Test34% of top 100 sites passed
- The size of this webpage's HTML is 62.99 Kb, and is greater than the average size of 33 Kb! This can lead to slower loading times, lost visitors, and decreased revenue. Good steps to reduce HTML size include: using HTML compression, CSS layouts, external style sheets, and moving javascript to external files.
DOM Size Test17% of top 100 sites passed
- The Document Object Model (DOM) of this webpage has 16,352 nodes which is greater than the recommended value of 1,500 nodes! A large DOM size negatively affects site performance and increases the page load time.
HTML Compression/GZIP Test96% of top 100 sites passed
- This webpage is successfully compressed using gzip compression on your code. The HTML code is compressed from 449.42 Kb to 62.99 Kb (86% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test68% of top 100 sites passed
- The loading time of this webpage (measured from N. Virginia, US) is around 2.76 seconds and this is under the average loading speed which is 5 seconds.
Accurate loading speed and website loading speed monitor
Get detailed and accurate loading speed reports for your websites and see how your pages are being loaded over time.
Register for free and use the Loading Speed Monitor from SEO Site Checkup Toolbox today and get valuable insights on how much time your customers need to wait until they see your page.
JS Execution Time Test79% of top 100 sites passed
- The JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
- This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!
CDN Usage Test96% of top 100 sites passed
- This webpage is not serving all resources (images, javascript and css) from CDNs!
Modern Image Format Test32% of top 100 sites passed
Image Metadata Test
- This webpage is using images with large metadata (more than 16% of the image size)! Stripping out unnecessary metadata tags can improve not only the loading time but also the security and privacy of a webpage.
Image Caching Test99% of top 100 sites passed
- This website is using cache headers for images and the browsers will display these images from the cache.
JavaScript Caching Test98% of top 100 sites passed
- This webpage is not using cache headers for all JavaScript resources! Setting cache headers can help to speed up the webpage for returning users.
CSS Caching Test98% of top 100 sites passed
- This webpage is using cache headers for all CSS resources.
JavaScript Minification Test93% of top 100 sites passed
- All JavaScript files used by this webpage are minified.
CSS Minification Test97% of top 100 sites passed
- All CSS resources used by this webpage are minified.
Render Blocking Resources Test29% of top 100 sites passed
- This webpage is using render blocking resources! Eliminating render-blocking resources can help this webpage to load significantly faster and will improve the website experience for your visitors.
URL Redirects Test96% of top 100 sites passed
- This URL performed 1 redirects! While redirects are typically not advisable (as they can affect search engine indexing issues and adversely affect site loading time), one redirect may be acceptable, particularly if the URL is redirecting from a non-www version to its www version, or vice-versa.
Largest Contentful Paint Test
- The Largest Contentful Paint duration of this webpage is 1.3 seconds. To provide a good user experience, sites should strive to have Largest Contentful Paint of 2.5 seconds or less.
1.3 s
2.5 s
4 s
Cumulative Layout Shift Test
- The CLS score of this webpage is 0.027. To provide a good user experience, sites should strive to have a CLS score of 0.1 or less.
0.0266
0.1
0.25
Server and security
Score: 73
Failed: 2
Warnings: 0
Passed: 5
URL Canonicalization Test92% of top 100 sites passed
- https://altproxy-research.owlit.de/bibliothek/?cspallowed=false and https://www.altproxy-research.owlit.de/bibliothek should resolve to the same URL, but currently do not.
SSL Checker and HTTPS Test100% of top 100 sites passed
- This website is successfully using HTTPS, a secure communication protocol over the Internet.
Mixed Content Test (HTTP over HTTPS)100% of top 100 sites passed
- This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test92% of top 100 sites passed
- This webpage is using the HTTP/2 protocol.
HSTS Test
- This webpage is not using the Strict-Transport-Security header! This is a security header that was created as a way to force the browser to use secure connections when a site is running over HTTPS.
Plaintext Emails Test93% of top 100 sites passed
- This webpage does not include email addresses in plaintext.
Unsafe Cross-Origin Links Test59% of top 100 sites passed
- This webpage is not using target="_blank" links without rel="noopener" or rel="noreferrer" attribute.
Mobile usability
Score: 100
Failed: 0
Warnings: 0
Passed: 3
Meta Viewport Test94% of top 100 sites passed
- This webpage is using a viewport meta tag.
Media Query Responsive Test99% of top 100 sites passed
- This webpage is using CSS media queries, which is the base for responsive design functionalities.
Mobile Snapshot Test
Advanced SEO
Score: 27
Failed: 4
Warnings: 0
Passed: 5
Structured Data Test59% of top 100 sites passed
- This webpage doesn't take the advantages of HTML Microdata or JSON-LD specifications in order to use structured data! View Google's guide for getting started with structured data.
Custom 404 Error Page Test75% of top 100 sites passed
- This website is not using a custom 404 error page! Default 404 error pages result in a poor experience - it can mislead users into thinking an entire site is down or broken, greatly increases the chance they leave the website entirely, and looks unprofessional. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.
Meta Refresh Test95% of top 100 sites passed
- This webpage is not using a meta refresh tag.
SPF Records Test94% of top 100 sites passed
- This DNS server is not using an SPF record! SPF (Sender Policy Framework) allows administrators to specify which hosts are allowed to send mail from a given domain by creating a specific SPF record or TXT record in the Domain Name System (DNS). You can find more information about SPF records here.
Ads.txt Validation Test80% of top 100 sites passed
- The request of ads.txt file has an unexpected Content-Type header: text/html; charset=utf-8. In order for this resource to be easily accessed by the DSPs and advertisers, its Content-Type header should be text/plain or text/plain; charset=utf-8.
Product
- Pricing
- Free Tools
- Articles
- Login
- Free 7-Day Trial
© SEO Site Checkup 2020-2025 • All rights reserved