Ranklexa Reviews

scichamp.com reviews

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Reviews
Report generated on 2024-11-05 at 10:29:21 (UTC +00:00).
1 month ago
83
100
Free Online Science Games - Middle and High school students
Free online science games for learning middle and high school Chemistry, Physics and Biology. Play fun games on atomic structure, light, motion, plant tissues..
https://scichamp.com/
2 high issues
5.7%
2 medium issues
5.7%
5 low issues
14.3%
26 tests passed
74.3%
0.55 seconds
27.06 kB
6 resources
Secure
SEO
Title
The title tag is perfect.
Free Online Science Games - Middle and High school students
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.
Learn more
Google
Meta description
The meta description tag is good.
Free online science games for learning middle and high school Chemistry, Physics and Biology. Play fun games on atomic structure, light, motion, plant tissues..
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.
Learn more
Google
Headings
There is no h1 tag on the webpage.
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.
Learn more
Mozilla
Content keywords
The content has relevant keywords.
free online science games middle and high school students
The webpage's content should contain relevant keywords that can also be found in the title of the webpage.
Image keywords
All images have alt attributes set.
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.
Learn more
Google
SEO friendly URL
The URL does not contain any relevant keywords.
https://scichamp.com/
The SEO friendly URLs are URLs that contain relevant keywords with the webpage's topic, and contain no special characters besides slashes and dashes.
Learn more
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.
Learn more
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.
Learn more
Bing
Google
Noindex
The webpage does not have a noindex tag set.
The noindex tag instruct the search engines to not index the webpage.
Learn more
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.
en-US
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.
Learn more
Mozilla
Favicon
The webpage has a favicon.
https://scichamp.com/wp-content/uploads/2024/04/cropped-favicon-2-blue-newest-180x180.png
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.
Learn more
Google
Performance
Text compression
The HTML file is compressed.
The HTML filesize is 27.06 kB.
The text compression helps speeding up the webpage's load by compressing the HTML's content.
Learn more
Gzip
Brotli
Google
Load time
The webpage loaded in 0.55 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 27.06 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 6 HTTP requests on the webpage.
The HTTP requests represents the number of external resources present on the webpage.
Image format
There are 19 images that are not using the AVIF, WebP format.
  1. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  2. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  3. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  4. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  5. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  6. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  7. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  8. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  9. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  10. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  11. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  12. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  13. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  14. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  15. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  16. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  17. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  18. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
  19. data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMzAwIDIwMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==
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.
Learn more
Google
JavaScript defer
There are 1 javascript resources without the defer attribute.
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.
Learn more
Google
DOM size
The DOM size is optimal.
The HTML file has 456 DOM nodes.
The DOM size indicates the number of nodes the HTML webpage has.
Learn more
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.
Learn more
W3C
Mozilla
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTTPS encryption helps protecting the user's security and privacy.
Learn more
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.
Learn more
Mozilla
Google
Server signature
The webpage has a public server signature.
LiteSpeed
The server signature is the public identity of a web server which contains information that could be used to exploit known vulnerabilities.
Learn more
nginx
Apache
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
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.
Learn more
Mozilla
Plaintext email
The webpage does not contain any plaintext 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.
Learn more
Twitter
Schema.org
Open Graph
Bing
Google
Meta viewport
The webpage has a meta viewport tag set.
width=device-width, initial-scale=1, minimum-scale=1
The meta viewport tag instruct the browsers how to render the viewport of the webpage.
Learn more
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.
Learn more
Mozilla
Sitemap
No sitemaps found.
Sitemaps inform search engines about pages available for crawling on the website.
Learn more
Bing
Google
Social
The webpage does not contain any social links.
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 3,375 words.
The content length represents the number of words found on the webpage. The webpage should contain a decent amount of words.
Learn more
Google
Text to HTML ratio
The text to HTML ratio is 16%.
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.
  1. height:12px
  2. height:8px
  3. font-size:16px
  4. flex-basis:650px
  5. flex-basis:650px
  6. flex-basis:650px
  7. height:10px
  8. aspect-ratio:3/2;object-fit:cover;width:360px
  9. aspect-ratio:3/2;object-fit:cover;width:360px
  10. aspect-ratio:3/2;object-fit:cover;width:360px
  11. height:14px
  12. aspect-ratio:3/2;object-fit:cover;width:360px
  13. aspect-ratio:3/2;object-fit:cover;width:360px
  14. aspect-ratio:3/2;object-fit:cover;width:360px
  15. height:25px
  16. aspect-ratio:3/2;object-fit:cover;width:360px
  17. aspect-ratio:3/2;object-fit:cover;width:360px
  18. aspect-ratio:3/2;object-fit:cover;width:360px
  19. height:26px
  20. aspect-ratio:3/2;object-fit:cover;width:360px
  21. aspect-ratio:3/2;object-fit:cover;width:360px
  22. aspect-ratio:3/2;object-fit:cover;width:360px
  23. height:14px
  24. aspect-ratio:3/2;object-fit:cover;width:360px
  25. aspect-ratio:3/2;object-fit:cover;width:360px
  26. aspect-ratio:3/2;object-fit:cover;width:360px
  27. height:15px
  28. aspect-ratio:3/2;object-fit:cover;width:360px
  29. aspect-ratio:3/2;object-fit:cover;width:360px
  30. aspect-ratio:3/2;object-fit:cover;width:360px
  31. height:15px
  32. aspect-ratio:3/2;object-fit:cover;width:360px
  33. aspect-ratio:3/2;object-fit:cover;width:360px
  34. aspect-ratio:3/2;object-fit:cover;width:360px
  35. height:14px
  36. aspect-ratio:3/2;object-fit:cover;width:360px
  37. aspect-ratio:3/2;object-fit:cover;width:360px
  38. aspect-ratio:3/2;object-fit:cover;width:360px
  39. height:14px
  40. height:12px
  41. aspect-ratio:3/2;object-fit:cover;width:360px
  42. aspect-ratio:3/2;object-fit:cover;width:360px
  43. aspect-ratio:3/2;object-fit:cover;width:360px
  44. height:28px
  45. aspect-ratio:3/2;object-fit:cover;width:360px
  46. color:#25787d;font-size:26px
  47. text-align: center;
  48. font-size:18px
  49. font-size:18px
  50. height:23px
  51. font-size:18px
  52. font-size:18px
  53. font-size:18px
  54. color:#ea3636
  55. color:#ea3636
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.
Learn more
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.
Learn more
W3C