urls.py:

urlpatterns = [
    path('blog/', BlogList.as_view(), name="blog"),
    path('blog-details/<slug:slug>', BlogDetails.as_view(), name="blog-details"),
    path('blog/<str:name>', CategoryBlogs.as_view(), name="category"),



view.py:

class CategoryBlogs(ListView):
    model = Blogs
    template_name = 'frontend/category_post.html'
    paginate_by = 6
    context_object_name = 'blog'

    def get_queryset(self):
        return Blogs.objects.filter(category__category__iexact=self.kwargs['name'])

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['pop_blogs'] = Blogs.objects.all().order_by('-pk')[:4]
        context['SEO'] = SeoSettigs.objects.all()
        return context

models.py

class Category(models.Model):
    category = models.CharField(max_length=50, unique=True, null=True)
    slug = models.SlugField(max_length=500, unique=True, null=True, blank=True)

    def __str__(self):
        return self.category

    def save(self, *args, **kwargs):
        self.slug = slugify(self.category)
        super(Category, self).save(*args, **kwargs)

    class Meta:
        verbose_name_plural = "Category"


class Blogs(models.Model):

    title = models.CharField(max_length=200, unique=True)
    published_date = models.DateTimeField(default=datetime.now())
    featured_image = models.ImageField(null=True, blank=True)
    content = RichTextUploadingField(blank=True, null=True, extra_plugins=
    ['youtube', ], external_plugin_resources=
                          [('youtube', '/static/ckeditor/ckeditor/plugins/youtube/', 'plugin.js')], )
    category = models.ForeignKey(Category, null=True, default=" ", verbose_name="Category", on_delete=models.SET_NULL)
    author = models.ForeignKey(User, default="-", on_delete=models.SET_DEFAULT)
    slug = models.SlugField(max_length=500, unique=True, null=True, blank=True, help_text='This field is to simplify url in human '
                                                                          'readable form, no action needed from admin side')
    tags = models.CharField(max_length=500, null=True,
                            help_text='Enter Tags comma separated eg:(Adventure, Technology).')


    def __str__(self):
        return self.title

    def save(self, *args, **kwargs):
        self.slug = slugify(self.title)
        super(Blogs, self).save(*args, **kwargs)

        # new_image = featured_image_compress(self.featured_image)
        # self.featured_image = new_image
        # super().save(*args, **kwargs)

    def get_absolute_url(self):
        return reverse('blog-details', kwargs={'slug': self.slug})


    class Meta:
        verbose_name_plural = "Blogs"
        ordering = ["-published_date"]