Ranklexa Reviews

lempertz.com reviews

Reviews

Report generated on 2025-04-03 at 22:27:55 (UTC +00:00).

1 month ago

100

Auktionshaus Lempertz - Kunstauktionen in Köln, Berlin & Brüssel

Auktionshaus Lempertz – Kunstauktionen: Kaufen & Verkaufen Sie Kunst international mit kompetenter Beratung und langjähriger Expertise!

https://www.lempertz.com/de/

2 high issues

5.7%

2 medium issues

5.7%

4 low issues

11.4%

27 tests passed

77.1%

0.09 seconds

17.84 kB

35 resources

Secure

SEO

Title

The title tag must be between 1 and 60 characters.

The current title has 64 characters.

The title tag is the HTML element that specifies the title of the webpage. The title tag is displayed at the top of your browser, in the search results, as well as in the bookmarks bar.

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Google

Meta description

The meta description tag is good.

Auktionshaus Lempertz – Kunstauktionen: Kaufen & Verkaufen Sie Kunst international mit kompetenter Beratung und langjähriger Expertise!

The meta description is an HTML tag that provides a short and accurate summary of the webpage. The meta description is used by search engines to identify a webpage's topic and provide relevant search results.

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Google

Headings

The headings are properly set.

The h tags represents the headings of the webpage. The h1 tag is the most important h tag, and describes the main topic of the page, while the rest of the tags describe the sub-topics of the webpage.

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Mozilla

Content keywords

The content has relevant keywords.

auktionshaus lempertz kunstauktionen in köln berlin brüssel

The webpage's content should contain relevant keywords that can also be found in the title of the webpage.

Image keywords

There are 5 images with missing alt attributes.

Images

The alt attribute specifies an alternate text for an image, if the image cannot be displayed. The alt attribute is also useful for search engines to identify the subject of the image, and helps screen readers describe the image.

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Google

SEO friendly URL

The URL is SEO friendly.

https://www.lempertz.com/de/

The SEO friendly URLs are URLs that contain relevant keywords with the webpage's topic, and contain no special characters besides slashes and dashes.

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Google

404 page

The website has 404 error pages.

The 404 webpage status informs the users and the search engines that a webpage is missing.

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Bing

Robots.txt

The webpage can be accessed by search engines.

A robots.txt file inform the search engines which links from the website can be accessed.

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Bing

Google

Noindex

The webpage does not have a noindex tag set.

The noindex tag instruct the search engines to not index the webpage.

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Bing

Google

In-page links

The number of links on the webpage is okay.

The in-page links should be kept at a minimum, to avoid issues with search engines not being able to crawl additional links from the webpage.

Language

The webpage has the language declared.

de

The lang attribute declares the webpage's language, helping search engines identify the language in which the content is written, and browsers to offer translation suggestions.

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Mozilla

Favicon

The webpage has a favicon.

https://www.lempertz.com/_assets/73ddc8678850814922eaa400636bf705/Icons/Favicons/favicon.ico

The favicon is the icon that is being displayed in the browser's tab, when the webpage is being bookmarked, and sometimes even in search engine results.

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Google

Performance

Text compression

The HTML file is compressed.

The HTML filesize is 17.84 kB.

The text compression helps speeding up the webpage's load by compressing the HTML's content.

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Gzip

Brotli

Google

Load time

The webpage loaded in 0.09 seconds.

The load time indicates the HTML's total load time, and does not include the external resources, such as images, scripts, or other resources.

Page size

The size of the HTML webpage is 17.84 kB.

The page size indicates the HTML's total size, and does not include the external resources, such as images, scripts, or other resources.

HTTP requests

There are fewer than 35 HTTP requests on the webpage.

The HTTP requests represents the number of external resources present on the webpage.

Image format

There are 24 images that are not using the AVIF, WebP format.

Images

The images format represents the images that are not served in a next-generation file format. Images served in a next-generation format improve the webpage's load performance.

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Google

JavaScript defer

There are 5 javascript resources without the defer attribute.

JavaScripts

The defer attribute allows the browser to download the scripts in parallel and execute them after the webpage has been parsed, improving the webpage's load performance.

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Google

DOM size

The DOM size is optimal.

The HTML file has 1091 DOM nodes.

The DOM size indicates the number of nodes the HTML webpage has.

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Google

DOCTYPE

The webpage has the DOCTYPE declaration tag set.

html

The DOCTYPE declaration tag defines which version of HTML the webpage is using, making compliant browsers render the webpage properly.

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W3C

Mozilla

Security

HTTPS encryption

The webpage uses HTTPS encryption.

The HTTPS encryption helps protecting the user's security and privacy.

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Google

Mixed content

There are no mixed content resources on the webpage.

The mixed content is the content that is loaded over the HTTP connection while the webpage itself was loaded over HTTPS connection.

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Mozilla

Google

Server signature

The webpage has a public server signature.

Apache

The server signature is the public identity of a web server which contains information that could be used to exploit known vulnerabilities.

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nginx

Apache

Unsafe cross-origin links

The webpage does not have unsafe cross-origin links.

The unsafe cross-origin links indicates the external links that open in a new tab which can expose your website to performance and security issues.

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Google

HTST

The webpage does not have the HTTP Strict-Transport-Security header set.

The HTTP Strict-Transport-Security header is used to force the browser to use the HTTPS protocol when loading the webpage.

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Mozilla

Plaintext email

The webpage contains plaintext emails.

Emails

Email addresses posted in public are likely to be fetched by crawlers and then collected in lists used for spam.

Miscellaneous

Structured data

The webpage has structured data.

The structured data tags help the search engines better understand the content of the webpage, and allows them to create rich snippets in search results.

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Twitter

Schema.org

Open Graph

Bing

Google

Meta viewport

The webpage has a meta viewport tag set.

width=device-width, initial-scale=1, maximum-scale=2, shrink-to-fit=no

The meta viewport tag instruct the browsers how to render the viewport of the webpage.

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Mozilla

Google

Character set

The webpage has a charset value set.

utf-8

The meta charset tag specifies the character encoding, helping the browsers to better render the characters and symbols on the webpage.

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Mozilla

Sitemap

The website has sitemaps.

Sitemaps

https://www.lempertz.com/sitemapindex.xml

Sitemaps inform search engines about pages available for crawling on the website.

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Bing

Google

Social

The webpage has 3 social links.

Twitter

https://twitter.com/Lempertzauction

Facebook

https://www.facebook.com/pages/Kunsthaus-Lempertz/342166652581075?fref=ts

Instagram

https://www.instagram.com/lempertz_1845_art

Social media presence is becoming increasingly important as a ranking factor for search engines to validate a website's trustworthiness and authority.

Content length

The webpage has 2,784 words.

The content length represents the number of words found on the webpage. The webpage should contain a decent amount of words.

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Google

Text to HTML ratio

The text to HTML ratio is 17%.

The text to HTML ratio represents the percentage of actual text compared to the percentage of HTML code on the webpage.

Inline CSS

The webpage contains inline CSS code.

Attributes

background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-registrierung-afrika-DE-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-expertentage-haeuser-1.jpg')
background-image:url('/fileadmin/_processed_/8/f/csm_1-auktionshaus-muenchen-1_d9088086cb.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Kongo-Nkisi-Nkondi-afrika-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Uli-Ancestral-Figure-afrika-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Bahau-figure-Mahakam-afrika-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Monet-Pourville-MK-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-einleiferungen-herbst-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-hei-tiki-afrika-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Baule-diviniationafrika-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Brosche-Fancy-Diamant-groesser-schmuck-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-bulletin-01-2025-DE-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-liebermann-gartenlokal-havel-MK-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Velde-Bezan-Yacht-Brise-AK-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Cocktail-Halsschmuck-van-cleef-schmuck-1.jpg')
background-image:url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-Arbus-Child-Nightgown-photo-1.jpg')
background-image: url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-lempertz-1.jpg')
background-image: url('/fileadmin/user_upload/auktionshaus/1-auktionshaus-lempertz-1.jpg')

The style attribute contains CSS style rules that are applied to the element. Inline CSS code unnecessarily increases the webpage's size, and can be moved in an external CSS file.

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Mozilla

Deprecated HTML

There are no deprecated HTML tags on the webpage.

The deprecated tags represents the tags that are not supported HTML5 standard anymore, and could cause the webpage to be rendered incorrectly.

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W3C