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SEO Score75/100
Average SEO score of top 100 sites: 75%
Your site scored 75/100, right at the 75 average for top sites. We found 10 issues to fix, and clearing them is how you pull ahead of the pack.
10 Failed
5 Warnings
39 Passed
Want to fix these issues and track your progress?
Common SEO issues
Score:69
Failed:2
Warnings:3
Passed:14
Meta Title Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a title tag with a length of 17 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.
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 Test
97% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a meta description tag with a length of 108 characters. We recommend using well-written and inviting meta descriptions with a length between 150 and 220 characters (spaces included).
Desktop version
https://www.derham.ch
Mobile version
https://www.derham.ch
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 Test
81% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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.
addition
allowing
apartment
apartments
architecture
area
avenue
belle
business
bussigny
café
caractéristiques
century
chalandise
commercial
contact
contemporaine
core
criteria
dans
derham
deutsch
documents
ensure
espaces
estate
estimate
exception
expérience
finitions
forms
français
friday
froide
futur
grands
home
house
houses
importante
involves
know
lausanne
lignes
logement
logements
login
looking
louer
management
monday
montreux
neuve
nouveau
nouveaux
offer
optimum
ouest
ouverts
parking
peilz
phone
pièces
pour
premises
principales
projects
property
provide
qualité
quartier
real
rent
rental
restauration
returns
rham
room
sale
sales
search
services
smooth
sont
space
spirit
surface
terrasse
thursday
tour
unique
uniquement
valuation
vendre
view
villas
votre
welcome
zone
épurées

Understand your competitors' SEO and backlink profile
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Robots.txt Test
94% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is using a robots.txt file.
Sitemap Test
75% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website has a sitemap file.
Image Alt Test
71% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using "img" tags with empty or missing "alt" attribute!
Responsive Image Test
38% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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 Test
72% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All image display dimensions match the natural aspect ratio.
Google Analytics Test
69% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using Google Analytics.
Favicon Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.

This website appears to have a favicon.

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JS Error Test
74% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
There are no severe JavaScript errors on this webpage.
Console Errors Test
33% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.
Charset Declaration Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage has a character encoding declaration.
Content-Type: text/html; charset=UTF-8
Speed optimizations
Score:67
Failed:5
Warnings:1
Passed:10
HTML Page Size Test
34% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The size of this webpage's HTML is 14.87 Kb and is under the average webpage's HTML size of 33 Kb. Faster loading websites result in a better user experience, higher conversion rates, and generally better search engine rankings.
DOM Size Test
17% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The Document Object Model (DOM) of this webpage has 1,261 nodes which is less than the recommended value of 1,500 nodes.
HTML Compression/GZIP Test
96% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is successfully compressed using gzip compression on your code. The HTML code is compressed from 60.67 Kb to 14.87 Kb (75% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test
68% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
The loading time of this webpage (measured from N. Virginia, US) is around 3.86 seconds and this is under the average loading speed which is 5 seconds.

Accurate historical loading speed monitor and reports
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JS Execution Time Test
79% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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!
Content size by content type
Content type
Percent
Size
image
75.9 %
2.56 Mb
javascript
18.9 %
655.32 Kb
css
2.2 %
75.24 Kb
font
2.0 %
68.31 Kb
html
0.9 %
32.43 Kb
other
0.0 %
566 B
TOTAL
100%
3.38 Mb
Requests by content type
Content type
Percent
Requests
image
33.3 %
22
javascript
28.8 %
19
css
24.2 %
16
other
7.6 %
5
html
3.0 %
2
font
3.0 %
2
TOTAL
100%
66
Content size by domain
Domain
Percent
Size
immomigimg.ch
66.4 %
2.24 Mb
derham.ch
23.8 %
821.60 Kb
googletagmanager.com
4.8 %
166.46 Kb
connect.facebook.net
3.9 %
135.73 Kb
google-analytics.com
0.6 %
19.89 Kb
190889.tctm.co
0.4 %
15.08 Kb
googleads.g.doubleclick.net
0.1 %
2.43 Kb
fonts.googleapis.com
0.0 %
1.19 Kb
google.com
0.0 %
736 B
analytics.google.com
0.0 %
303 B
Other
0.0 %
263 B
TOTAL
100%
3.38 Mb
Requests by domain
Domain
Percent
Requests
derham.ch
56.1 %
37
immomigimg.ch
13.6 %
9
google.com
6.1 %
4
google-analytics.com
4.5 %
3
facebook.com
4.5 %
3
googletagmanager.com
3.0 %
2
connect.facebook.net
3.0 %
2
googleads.g.doubleclick.net
3.0 %
2
fonts.googleapis.com
1.5 %
1
190889.tctm.co
1.5 %
1
Other
3.0 %
2
TOTAL
100%
66
CDN Usage Test
96% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not serving all resources (images, javascript and css) from CDNs!
Modern Image Format Test
32% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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 Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is using cache headers for images and the browsers will display these images from the cache.
JavaScript Caching Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using cache headers for all JavaScript resources.
CSS Caching Test
98% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using cache headers for all CSS resources.
JavaScript Minification Test
93% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
All JavaScript files used by this webpage are minified.
CSS Minification Test
97% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using CSS resources that are not minified!
Render Blocking Resources Test
29% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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 Test
96% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Server and security
Score:82
Failed:3
Warnings:0
Passed:4
URL Canonicalization Test
92% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
https://www.derham.ch and https://derham.ch resolve to the same URL.
SSL Checker and HTTPS Test
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is successfully using HTTPS, a secure communication protocol over the Internet.
The certificate is not used before the activation date.
The certificate has not expired.
The hostname "www.derham.ch" is correctly listed in the certificate.
The certificate should be trusted by all major web browsers.
The certificate was not revoked.
The certificate was signed with a secure hash.
Certificate Chain:
Server certificate
Common Name
derham.ch
Subject Alternative Names
derham.ch, www.derham.ch
Not Valid Before
Wed, December 28, 2022 at 11:58:54 PM UTC
Not Valid After
Tue, March 28, 2023 at 11:58:53 PM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
R3
Intermediate certificate
Common Name
R3
Organization
Let's Encrypt
Location
US
Not Valid Before
Fri, September 4, 2020 at 12:00:00 AM UTC
Not Valid After
Mon, September 15, 2025 at 4:00:00 PM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
ISRG Root X1
Root certificate
Common Name
ISRG Root X1
Organization
Internet Security Research Group
Location
US
Not Valid Before
Thu, June 4, 2015 at 11:04:38 AM UTC
Not Valid After
Mon, June 4, 2035 at 11:04:38 AM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
ISRG Root X1
Mixed Content Test (HTTP over HTTPS)
100% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test
92% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
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 Test
93% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
We've found 2 email addresses in your page code! We advise you to protect email links in a way that hides them from the spam harvesters.
Unsafe Cross-Origin Links Test
59% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using target="_blank" links without rel="noopener" or rel="noreferrer" attribute, which can expose it to performance and security issues!
Mobile usability
Score:100
Failed:0
Warnings:0
Passed:3
Meta Viewport Test
94% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using a viewport meta tag.
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no, maximum-scale=1" />Media Query Responsive Test
99% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using CSS media queries, which is the base for responsive design functionalities.

Advanced SEO
Score:98
Failed:0
Warnings:1
Passed:8
Structured Data Test
59% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is using structured data.
Custom 404 Error Page Test
75% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website is using a custom 404 error page. 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 Test
95% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This webpage is not using a meta refresh tag.
SPF Records Test
94% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This DNS server is using an SPF record.
v=spf1 mx include:spf.immomigsa.ch ip4:207.126.144.0/20 ip4:46.105.52.113 ip4:212.243.48.34 ip4:212.243.48.39 include:spf-de.emailsignatures365.com include:spf.protection.outlook.com ~all
Ads.txt Validation Test
80% of top 100 sites passed
This value indicates the percent of top 100 most visited websites in the US that pass this test (in the past 12 months). Failing a test that a high percentage of top websites are passing may indicate an industry best practice that you should be fixing.
This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.
